// Copyright 2019 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:convert';
import 'dart:typed_data';

import 'package:cocoon_service/cocoon_service.dart';
import 'package:cocoon_service/src/model/appengine/service_account_info.dart';
import 'package:cocoon_service/src/model/luci/buildbucket.dart';
import 'package:cocoon_service/src/request_handling/exceptions.dart';
import 'package:cocoon_service/src/service/buildbucket.dart';
import 'package:cocoon_service/src/service/github_status_service.dart';
import 'package:cocoon_service/src/service/luci_build_service.dart';

import 'package:crypto/crypto.dart';
import 'package:github/github.dart';
import 'package:mockito/mockito.dart';
import 'package:test/test.dart';

import '../model/github/checks_test_data.dart';
import '../src/datastore/fake_cocoon_config.dart';
import '../src/request_handling/fake_http.dart';
import '../src/request_handling/request_handler_tester.dart';
import '../src/utilities/mocks.dart';

void main() {
  group('githubWebhookPullRequest', () {
    GithubWebhook webhook;

    FakeHttpRequest request;
    FakeConfig config;
    MockGitHub gitHubClient;
    MockIssuesService issuesService;
    MockPullRequestsService pullRequestsService;
    MockBuildBucketClient mockBuildBucketClient;
    RequestHandlerTester tester;
    MockHttpClient mockHttpClient;
    const String serviceAccountEmail = 'test@test';
    LuciBuildService luciBuildService;
    ServiceAccountInfo serviceAccountInfo;
    GithubStatusService githubStatusService;
    MockGithubChecksService mockGithubChecksService;

    const String keyString = 'not_a_real_key';

    const String cqLabelName = 'CQ+1';

    String getHmac(Uint8List list, Uint8List key) {
      final Hmac hmac = Hmac(sha1, key);
      return hmac.convert(list).toString();
    }

    setUp(() async {
      serviceAccountInfo = const ServiceAccountInfo(email: serviceAccountEmail);
      request = FakeHttpRequest();
      config = FakeConfig(deviceLabServiceAccountValue: serviceAccountInfo);
      gitHubClient = MockGitHub();
      mockHttpClient = MockHttpClient();
      issuesService = MockIssuesService();
      pullRequestsService = MockPullRequestsService();
      mockBuildBucketClient = MockBuildBucketClient();
      tester = RequestHandlerTester(request: request);
      serviceAccountInfo = await config.deviceLabServiceAccount;

      /// LUCI service class to communicate with buildBucket service.
      luciBuildService = LuciBuildService(
        config,
        mockBuildBucketClient,
        serviceAccountInfo,
      );

      githubStatusService = GithubStatusService(
        config,
        luciBuildService,
      );

      mockGithubChecksService = MockGithubChecksService();

      webhook = GithubWebhook(config, mockBuildBucketClient, luciBuildService,
          githubStatusService, mockGithubChecksService,
          skiaClient: mockHttpClient);

      when(gitHubClient.issues).thenReturn(issuesService);
      when(gitHubClient.pullRequests).thenReturn(pullRequestsService);

      config.nonMasterPullRequestMessageValue = 'nonMasterPullRequestMessage';
      config.missingTestsPullRequestMessageValue =
          'missingTestPullRequestMessage';
      config.goldenBreakingChangeMessageValue = 'goldenBreakingChangeMessage';
      config.goldenTriageMessageValue = 'goldenTriageMessage';
      config.githubOAuthTokenValue = 'githubOAuthKey';
      config.webhookKeyValue = keyString;
      config.githubClient = gitHubClient;
      config.deviceLabServiceAccountValue =
          const ServiceAccountInfo(email: serviceAccountEmail);

      config.luciTryBuildersValue = (json.decode('''[
    {"name": "Cocoon", "repo": "cocoon"},
    {"name": "Linux", "repo": "flutter", "taskName": "linux_bot"},
    {"name": "Mac", "repo": "flutter", "taskName": "mac_bot"},
    {"name": "Windows", "repo": "flutter", "taskName": "windows_bot"},
    {"name": "Linux Coverage", "repo": "flutter"},
    {"name": "Linux Host Engine", "repo": "engine"},
    {"name": "Linux Android AOT Engine", "repo": "engine"},
    {"name": "Linux Android Debug Engine", "repo": "engine"},
    {"name": "Mac Host Engine", "repo": "engine"},
    {"name": "Mac Android AOT Engine", "repo": "engine"},
    {"name": "Mac Android Debug Engine", "repo": "engine"},
    {"name": "Mac iOS Engine", "repo": "engine"},
    {"name": "Windows Host Engine", "repo": "engine"},
    {"name": "Windows Android AOT Engine", "repo": "engine"}
  ]''') as List<dynamic>).cast<Map<String, dynamic>>();
      config.cqLabelNameValue = cqLabelName;
    });

    test('Rejects non-POST methods with methodNotAllowed', () async {
      expect(tester.get(webhook), throwsA(isA<MethodNotAllowed>()));
    });

    test('Rejects missing headers', () async {
      expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
    });

    test('Rejects invalid hmac', () async {
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.headers.set('X-Hub-Signature', 'bar');
      request.body = 'Hello, World!';
      expect(tester.post(webhook), throwsA(isA<Forbidden>()));
    });

    test('Rejects malformed unicode', () async {
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.bodyBytes = Uint8List.fromList(<int>[0xc3, 0x28]);
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(request.bodyBytes, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
    });

    test('Rejects non-json', () async {
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = 'Hello, World!';
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      expect(tester.post(webhook), throwsA(isA<BadRequestException>()));
    });

    test('Acts on opened against dev', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'dev');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');

      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()..filename = 'packages/flutter/blah.dart',
        ),
      );

      when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
        (_) => Stream<IssueComment>.value(
          IssueComment()..body = 'some other comment',
        ),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(pullRequestsService.edit(
        slug,
        issueNumber,
        base: 'master',
      )).called(1);

      verify(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.nonMasterPullRequestMessageValue)),
      )).called(1);
    });

    test('Framework labels PRs, comment if no tests', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()..filename = 'packages/flutter/blah.dart',
        ),
      );

      when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
        (_) => Stream<IssueComment>.value(
          IssueComment()..body = 'some other comment',
        ),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['framework'],
      )).called(1);

      verify(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      )).called(1);
    });

    test('Framework labels PRs, no dart files', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()..filename = 'packages/flutter/blah.md',
        ),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['framework'],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        any,
      ));
    });

    test('Framework labels PRs, no comment if tests', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
          PullRequestFile()..filename = 'packages/flutter/semantics_test.dart',
          PullRequestFile()..filename = 'packages/flutter_tools/blah.dart',
          PullRequestFile()..filename = 'packages/flutter_driver/blah.dart',
          PullRequestFile()..filename = 'examples/flutter_gallery/blah.dart',
          PullRequestFile()..filename = 'dev/blah.dart',
          PullRequestFile()..filename = 'bin/internal/engine.version',
          PullRequestFile()
            ..filename = 'packages/flutter/lib/src/cupertino/blah.dart',
          PullRequestFile()
            ..filename = 'packages/flutter/lib/src/material/blah.dart',
          PullRequestFile()
            ..filename = 'packages/flutter_localizations/blah.dart',
        ]),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>[
          'framework',
          'a: accessibility',
          'tool',
          'a: tests',
          'd: examples',
          'team',
          'team: gallery',
          'engine',
          'f: cupertino',
          'f: material design',
          'a: internationalization',
        ],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('Engine labels PRs, comment if no tests', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        repoName: 'engine',
        repoFullName: 'flutter/engine',
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'engine');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()
            ..filename = 'shell/platform/darwin/ios/framework/Source/boost.mm',
        ),
      );

      when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
        (_) => Stream<IssueComment>.value(
          IssueComment()..body = 'some other comment',
        ),
      );

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[],
        );
      });

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['platform-ios'],
      )).called(1);

      verify(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      )).called(1);
    });

    test('Engine labels PRs, no code files', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        repoName: 'engine',
        repoFullName: 'flutter/engine',
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'engine');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()..filename = 'DEPS',
        ),
      );

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[],
        );
      });

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verifyNever(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        any,
      ));

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        any,
      ));
    });

    test('Engine labels PRs, no comment if Java tests', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        repoName: 'engine',
        repoFullName: 'flutter/engine',
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'engine');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
          PullRequestFile()
            ..filename = 'shell/platform/android/io/flutter/Blah.java',
          PullRequestFile()
            ..filename = 'shell/platform/android/test/io/flutter/BlahTest.java',
        ]),
      );

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[],
        );
      });

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>[
          'platform-android',
        ],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('Engine labels PRs, no comment if cc tests', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        repoName: 'engine',
        repoFullName: 'flutter/engine',
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'engine');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
          PullRequestFile()..filename = 'fml/blah.cc',
          PullRequestFile()..filename = 'fml/blah_unittests.cc',
        ]),
      );

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[],
        );
      });

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verifyNever(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        any,
      ));

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('No labels when only pubspec.yaml changes', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
          PullRequestFile()..filename = 'packages/flutter/pubspec.yaml',
          PullRequestFile()..filename = 'packages/flutter_tools/pubspec.yaml',
        ]),
      );

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['team'],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('Labels Golden changes based on Skia Gold ignore, comments to notify',
        () async {
      const int issueNumber = 1234;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber))
          .thenAnswer((_) => Stream<PullRequestFile>.value(
                PullRequestFile()..filename = 'some_change.dart',
              ));

      when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
        (_) => Stream<IssueComment>.value(
          IssueComment()..body = 'some other comment',
        ),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(
                  skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
              as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>[
          'will affect goldens',
          'severe: API break',
          'a: tests',
        ],
      )).called(1);

      verify(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.goldenBreakingChangeMessageValue)),
      )).called(1);
    });

    test('Golden triage comment when closed && merged from ignores', () async {
      const int issueNumber = 1234;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'closed',
        issueNumber,
        'master',
        merged: true,
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber))
          .thenAnswer((_) => Stream<PullRequestFile>.value(
                PullRequestFile()..filename = 'some_change.dart',
              ));

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(
                  skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
              as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.goldenTriageMessageValue)),
      )).called(1);
    });

    test('No golden triage comment when closed && !merged from labels',
        () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('closed', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
        return Stream<IssueLabel>.fromIterable(<IssueLabel>[
          IssueLabel()..name = 'will affect goldens',
        ]);
      });

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[
            Response(
              searchBuilds: SearchBuildsResponse(
                builds: <Build>[],
              ),
            ),
          ],
        );
      });

      await tester.post(webhook);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.goldenTriageMessageValue)),
      ));
    });

    test('No golden triage comment when closed && !merged from ignores',
        () async {
      const int issueNumber = 1234;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('closed', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber))
          .thenAnswer((_) => Stream<PullRequestFile>.value(
                PullRequestFile()..filename = 'some_change.dart',
              ));

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(
                  skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
              as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[
            Response(
              searchBuilds: SearchBuildsResponse(
                builds: <Build>[],
              ),
            ),
          ],
        );
      });

      await tester.post(webhook);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.goldenTriageMessageValue)),
      ));
    });

    test('Cancels builds when pull request is closed without merging',
        () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('closed', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber))
          .thenAnswer((_) => Stream<PullRequestFile>.value(
                PullRequestFile()..filename = 'some_change.dart',
              ));

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(
                  skiaIgnoreTemplate(pullRequestNumber: issueNumber.toString()))
              as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
        return const BatchResponse(
          responses: <Response>[
            Response(
              searchBuilds: SearchBuildsResponse(
                builds: <Build>[
                  Build(
                    id: 999,
                    builderId: BuilderId(
                      project: 'flutter',
                      bucket: 'prod',
                      builder: 'Linux',
                    ),
                    status: Status.started,
                  ),
                ],
              ),
            ),
          ],
        );
      });

      await tester.post(webhook);

      expect(
        json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
        '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
        '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"cancelBuild":{"id":"999","summaryMarkdown":"Pull request closed"}}]}]',
      );
    });

    test('Labels draft issues as work in progress, does not test pest.',
        () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        isDraft: true,
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber))
          .thenAnswer((_) => Stream<PullRequestFile>.value(
                PullRequestFile()..filename = 'some_change.dart',
              ));

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['work in progress; do not review'],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('Will not spawn comments if they have already been made.', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate('opened', issueNumber, 'master');
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
        (_) => Stream<PullRequestFile>.value(
          PullRequestFile()..filename = 'packages/flutter/blah.dart',
        ),
      );

      when(issuesService.listCommentsByIssue(slug, issueNumber)).thenAnswer(
        (_) => Stream<IssueComment>.value(
          IssueComment()..body = config.missingTestsPullRequestMessageValue,
        ),
      );

      final MockHttpClientRequest mockHttpRequest = MockHttpClientRequest();
      final MockHttpClientResponse mockHttpResponse = MockHttpClientResponse(
          utf8.encode(skiaIgnoreTemplate()) as Uint8List);
      when(mockHttpClient
              .getUrl(Uri.parse('https://flutter-gold.skia.org/json/ignores')))
          .thenAnswer(
              (_) => Future<MockHttpClientRequest>.value(mockHttpRequest));
      when(mockHttpRequest.close()).thenAnswer(
          (_) => Future<MockHttpClientResponse>.value(mockHttpResponse));

      await tester.post(webhook);

      verify(issuesService.addLabelsToIssue(
        slug,
        issueNumber,
        <String>['framework'],
      )).called(1);

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        argThat(contains(config.missingTestsPullRequestMessageValue)),
      ));
    });

    test('Skips labeling or commenting on autorolls', () async {
      const int issueNumber = 123;
      request.headers.set('X-GitHub-Event', 'pull_request');
      request.body = jsonTemplate(
        'opened',
        issueNumber,
        'master',
        login: 'engine-flutter-autoroll',
      );
      final Uint8List body = utf8.encode(request.body) as Uint8List;
      final Uint8List key = utf8.encode(keyString) as Uint8List;
      final String hmac = getHmac(body, key);
      request.headers.set('X-Hub-Signature', 'sha1=$hmac');

      await tester.post(webhook);

      final RepositorySlug slug = RepositorySlug('flutter', 'flutter');

      verifyNever(gitHubClient.postJSON<List<dynamic>, List<IssueLabel>>(
        '/repos/${slug.fullName}/issues/$issueNumber/labels',
        body: anyNamed('body'),
        convert: anyNamed('convert'),
      ));

      verifyNever(issuesService.createComment(
        slug,
        issueNumber,
        any,
      ));
    });

    group('BuildBucket', () {
      const int issueNumber = 123;

      setUp(() {
        request.headers.set('X-GitHub-Event', 'pull_request');
      });

      test('Exception is raised when no builders available', () async {
        config.luciTryBuildersValue = <Map<String, dynamic>>[];
        when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
          return Stream<IssueLabel>.fromIterable(<IssueLabel>[
            IssueLabel()..name = 'Random Label',
          ]);
        });

        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[],
                ),
              ),
            ],
          );
        });

        request.body = jsonTemplate('synchronize', issueNumber, 'master',
            repoFullName: 'flutter/cocoon', repoName: 'cocoon');
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        expect(tester.post(webhook), throwsA(isA<InternalServerError>()));
      });

      test('Optional repo - Not schedule build when labeled without CQ',
          () async {
        when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
          return Stream<IssueLabel>.fromIterable(<IssueLabel>[
            IssueLabel()..name = 'Random Label',
          ]);
        });

        request.body = jsonTemplate('labeled', issueNumber, 'master');
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        await tester.post(webhook);
        verifyNever(mockBuildBucketClient.searchBuilds(any));
        verifyNever(mockBuildBucketClient.scheduleBuild(any));
        verifyNever(mockBuildBucketClient.batch(any));
      });

      Future<void> _testActions(String action, {bool never = false}) async {
        when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
          return Stream<IssueLabel>.fromIterable(<IssueLabel>[
            IssueLabel()..name = 'Random Label',
          ]);
        });

        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[],
                ),
              ),
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[],
                ),
              ),
            ],
          );
        });

        request.body = '''
{
  "action": "$action",
  "number": 583,
  "draft": false,
  "pull_request": {
    "id": 354272971,
    "number": 583,
    "labels": [],
    "base": {
      "sha": "the_base_sha",
      "repo": {
        "name": "cocoon",
        "full_name": "flutter/cocoon"
      }
    },
    "head": {
      "sha": "the_head_sha",
      "repo": {
        "name": "cocoon",
        "full_name": "flutter/cocoon",
        "owner": {
          "login": "flutter"
        }
      }
    }
  },
  "repository": {
    "id": 1868532,
    "node_id": "MDEwOlJlcG9zaXRvcnkxODY4NTMwMDI=",
    "name": "cocoon",
    "full_name": "flutter/cocoon",
    "private": false,
    "owner": {
      "login": "flutter"
    }
  }
}
''';

        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        config.luciTryBuildersValue = (json.decode(
                    '[{"name": "Cocoon", "repo": "cocoon"},{"name": "Linux", "repo": "flutter"}, {"name": "Mac", "repo": "flutter"}]')
                as List<dynamic>)
            .cast<Map<String, dynamic>>();

        await tester.post(webhook);

        if (never) {
          verifyNever(mockBuildBucketClient.batch(captureAny));
          return;
        }
        const String expectedJson = '''
[
  {"requests": [
    {"searchBuilds":{
      "predicate":{
        "builder":{
          "project":"flutter",
          "bucket":"try"
        },
        "createdBy":"test@test",
        "tags":[
          {
            "key":"buildset",
            "value":"pr/git/583"
          },
          {
            "key":"github_link",
            "value":"https://github.com/flutter/cocoon/pull/583"
          },
          {
            "key": "user_agent",
            "value":"flutter-cocoon"
          }
        ]
      }
    }
  },
  {
    "searchBuilds":{
      "predicate":{
        "builder":{
          "project":"flutter",
          "bucket":"try"
        },
        "tags":[
          {
            "key":"buildset",
            "value":"pr/git/583"
          },
          {
            "key":"user_agent",
            "value":"recipe"
          }
        ]
      }
    }
  }]
},
{
  "requests":[
    {
      "searchBuilds":{
        "predicate":{
          "builder":{
            "project":"flutter",
            "bucket":"try"
          },
          "createdBy":"test@test",
          "tags":[
            {
              "key":"buildset",
              "value":"pr/git/583"
            },
            {
              "key":"github_link",
              "value":"https://github.com/flutter/cocoon/pull/583"
            },
            {
              "key":"user_agent",
              "value":"flutter-cocoon"
            }
          ]
        }
      }
    },
    {
      "searchBuilds":{
        "predicate":{
          "builder":{
            "project":"flutter",
            "bucket":"try"
          },
          "tags":[
            {
              "key":"buildset",
              "value":"pr/git/583"
            },
            {
              "key":"user_agent",
              "value":"recipe"
            }
          ]
        }
      }
    }
  ]
},
{
  "requests":[
    {
      "scheduleBuild":{
        "builder":{
          "project":"flutter",
          "bucket":"try",
          "builder":"Cocoon"
        },
        "properties":{
          "git_url":"https://github.com/flutter/cocoon",
          "git_ref":"refs/pull/583/head"
        },
        "tags":[
          {
            "key":"buildset",
            "value":"pr/git/583"
          },
          {
            "key":"buildset",
            "value":"sha/git/the_head_sha"
          },
          {
            "key":"user_agent",
            "value":"flutter-cocoon"
          },
          {
            "key":"github_link",
            "value":"https://github.com/flutter/cocoon/pull/583"
          }
        ],
        "notify":{
          "pubsubTopic":"projects/flutter-dashboard/topics/luci-builds",
          "userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImNvY29vbiIsInVzZXJfYWdlbnQiOiJmbHV0dGVyLWNvY29vbiJ9"
        }
      }
    }
  ]
},
{
  "requests":[
    {
      "searchBuilds":{
        "predicate":{
          "builder":{
            "project":"flutter",
            "bucket":"try"
          },
          "createdBy":"test@test",
          "tags":[
            {
              "key":"buildset",
              "value":"pr/git/583"
            },
            {
              "key":"github_link",
              "value":"https://github.com/flutter/cocoon/pull/583"
            },
            {
              "key":"user_agent",
              "value":"flutter-cocoon"
            }
          ]
        }
      }
    },
    {
      "searchBuilds":{
        "predicate":{
          "builder":{
            "project":"flutter",
            "bucket":"try"
          },
          "tags":[
            {
              "key":"buildset",
              "value":"pr/git/583"
            },
            {
              "key":"user_agent",
              "value":"recipe"
            }
          ]
        }
      }
    }
  ]
}]''';
        expect(
            json.encode(
                verify(mockBuildBucketClient.batch(captureAny)).captured),
            expectedJson.replaceAll(RegExp(r'\s|\n'), ''));
      }

      test('Edited Action works properly', () async {
        await _testActions('edited', never: true);
      });

      test('Opened Action works properly', () async {
        await _testActions('opened');
      });

      test('Ready_for_review Action works properly', () async {
        await _testActions('ready_for_review');
      });

      test('Reopened Action works properly', () async {
        await _testActions('reopened');
      });

      test('Labeled Action works properly', () async {
        await _testActions('labeled', never: true);
      });

      test('Synchronize Action works properly', () async {
        await _testActions('synchronize');
      });

      test('Schedules builds when labeled', () async {
        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[],
                ),
              ),
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[],
                ),
              ),
            ],
          );
        });
        request.body = jsonTemplate('labeled', issueNumber, 'master',
            includeCqLabel: true);
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        await tester.post(webhook);
        expect(
          json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
          '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Mac"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Windows"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux Coverage"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
        );
      });

      test('Cancels builds when unlabeled', () async {
        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 999,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux',
                      ),
                      status: Status.started,
                    )
                  ],
                ),
              ),
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 998,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux Host',
                      ),
                      status: Status.started,
                    )
                  ],
                ),
              ),
            ],
          );
        });

        request.body = jsonTemplate('unlabeled', issueNumber, 'master');
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        await tester.post(webhook);
        expect(
          json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
          '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
          '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"cancelBuild":{"id":"999","summaryMarkdown":"Tryjobs canceled (label removed)"}},{"cancelBuild":{"id":"998","summaryMarkdown":"Tryjobs canceled (label removed)"}}]}]',
        );
      });

      test('Skips cancel build when unlabeled and build is ended', () async {
        when(issuesService.listLabelsByIssue(any, issueNumber)).thenAnswer((_) {
          return Stream<IssueLabel>.fromIterable(<IssueLabel>[
            IssueLabel()..name = 'Random Label',
          ]);
        });
        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 999,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux',
                      ),
                      status: Status.success,
                    )
                  ],
                ),
              ),
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 998,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux',
                      ),
                      status: Status.success,
                    )
                  ],
                ),
              ),
            ],
          );
        });

        request.body = jsonTemplate('unlabeled', issueNumber, 'master');
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');

        await tester.post(webhook);
        expect(
          json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
          '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},'
          '{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
        );
      });

      test('When synchronized, cancels existing builds and schedules new ones',
          () async {
        when(mockBuildBucketClient.batch(any)).thenAnswer((_) async {
          return const BatchResponse(
            responses: <Response>[
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 999,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux',
                      ),
                      status: Status.ended,
                    )
                  ],
                ),
              ),
              Response(
                searchBuilds: SearchBuildsResponse(
                  builds: <Build>[
                    Build(
                      id: 998,
                      builderId: BuilderId(
                        project: 'flutter',
                        bucket: 'prod',
                        builder: 'Linux',
                      ),
                      status: Status.ended,
                    )
                  ],
                ),
              ),
            ],
          );
        });

        request.body = jsonTemplate('synchronize', issueNumber, 'master',
            includeCqLabel: true);
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');
        final MockRepositoriesService mockRepositoriesService =
            MockRepositoriesService();
        when(gitHubClient.repositories).thenReturn(mockRepositoriesService);

        await tester.post(webhook);
        expect(
          json.encode(verify(mockBuildBucketClient.batch(captureAny)).captured),
          '[{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]},{"requests":[{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Mac"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Windows"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}},{"scheduleBuild":{"builder":{"project":"flutter","bucket":"try","builder":"Linux Coverage"},"properties":{"git_url":"https://github.com/flutter/flutter","git_ref":"refs/pull/123/head"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"buildset","value":"sha/git/be6ff099a4ee56e152a5fa2f37edd10f79d1269a"},{"key":"user_agent","value":"flutter-cocoon"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"}],"notify":{"pubsubTopic":"projects/flutter-dashboard/topics/luci-builds","userData":"eyJyZXBvX293bmVyIjoiZmx1dHRlciIsInJlcG9fbmFtZSI6ImZsdXR0ZXIiLCJ1c2VyX2FnZW50IjoiZmx1dHRlci1jb2Nvb24ifQ=="}}}]},{"requests":[{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"createdBy":"test@test","tags":[{"key":"buildset","value":"pr/git/123"},{"key":"github_link","value":"https://github.com/flutter/flutter/pull/123"},{"key":"user_agent","value":"flutter-cocoon"}]}}},{"searchBuilds":{"predicate":{"builder":{"project":"flutter","bucket":"try"},"tags":[{"key":"buildset","value":"pr/git/123"},{"key":"user_agent","value":"recipe"}]}}}]}]',
        );
      });
    });
    group('checksAPI', () {
      void _generateRequest(String bodyString) {
        request.body = bodyString;
        final Uint8List body = utf8.encode(request.body) as Uint8List;
        final Uint8List key = utf8.encode(keyString) as Uint8List;
        final String hmac = getHmac(body, key);
        request.headers.set('X-Hub-Signature', 'sha1=$hmac');
      }

      test('CheckSuite Event is delegated to GithubChecksService', () async {
        _generateRequest(checkSuiteString);
        request.headers.set('X-GitHub-Event', 'check_suite');
        await tester.post(webhook);
        verify(mockGithubChecksService.handleCheckSuite(any, any)).called(1);
      });

      test('CheckRun Event is delegated to GithubChecksService', () async {
        _generateRequest(checkRunString);
        request.headers.set('X-GitHub-Event', 'check_run');
        await tester.post(webhook);
        verify(mockGithubChecksService.handleCheckRun(any, any)).called(1);
      });
    });
  });
}

class MockGitHubClient extends Mock implements GitHub {}

class MockIssuesService extends Mock implements IssuesService {}

class MockPullRequestsService extends Mock implements PullRequestsService {}

// ignore: must_be_immutable
class MockBuildBucketClient extends Mock implements BuildBucketClient {}

String skiaIgnoreTemplate({String pullRequestNumber = '0000'}) {
  return '''
    [
      {
        "id": "7579425228619212078",
        "name": "contributor@getMail.com",
        "updatedBy": "contributor@getMail.com",
        "expires": "2019-09-06T21:28:18.815336Z",
        "query": "ext=png&name=widgets.golden_file_test",
        "note": "https://github.com/flutter/flutter/pull/$pullRequestNumber"
      }
    ]
  ''';
}

String jsonTemplate(String action, int number, String baseRef,
        {String login = 'flutter',
        bool includeCqLabel = false,
        bool includeGoldLabel = false,
        bool isDraft = false,
        bool merged = false,
        String repoFullName = 'flutter/flutter',
        String repoName = 'flutter'}) =>
    '''{
  "action": "$action",
  "number": $number,
  "pull_request": {
    "url": "https://api.github.com/repos/$repoFullName/pulls/$number",
    "id": 294034,
    "node_id": "MDExOlB1bGxSZXF1ZXN0Mjk0MDMzODQx",
    "html_url": "https://github.com/$repoFullName/pull/$number",
    "diff_url": "https://github.com/$repoFullName/pull/$number.diff",
    "patch_url": "https://github.com/$repoFullName/pull/$number.patch",
    "issue_url": "https://api.github.com/repos/$repoFullName/issues/$number",
    "number": $number,
    "state": "open",
    "locked": false,
    "title": "Defer reassemble until reload is finished",
    "user": {
      "login": "$login",
      "id": 862741,
      "node_id": "MDQ6VXNlcjg2MjA3NDE=",
      "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
      "gravatar_id": "",
      "url": "https://api.github.com/users/flutter",
      "html_url": "https://github.com/flutter",
      "followers_url": "https://api.github.com/users/flutter/followers",
      "following_url": "https://api.github.com/users/flutter/following{/other_user}",
      "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
      "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
      "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
      "organizations_url": "https://api.github.com/users/flutter/orgs",
      "repos_url": "https://api.github.com/users/flutter/repos",
      "events_url": "https://api.github.com/users/flutter/events{/privacy}",
      "received_events_url": "https://api.github.com/users/flutter/received_events",
      "type": "User",
      "site_admin": false
    },
    "draft" : "$isDraft",
    "body": "The body",
    "created_at": "2019-07-03T07:14:35Z",
    "updated_at": "2019-07-03T16:34:53Z",
    "closed_at": null,
    "merged_at": null,
    "merge_commit_sha": "d22ab7ced21d3b2a5be00cf576d383eb5ffddb8a",
    "assignee": null,
    "assignees": [],
    "requested_reviewers": [],
    "requested_teams": [],
    "labels": [
      {
        "id": 487496476,
        "node_id": "MDU6TGFiZWw0ODc0OTY0NzY=",
        "url": "https://api.github.com/repos/$repoFullName/labels/cla:%20yes",
        "name": "cla: yes",
        "color": "ffffff",
        "default": false
      },
      {
        "id": 284437560,
        "node_id": "MDU6TGFiZWwyODQ0Mzc1NjA=",
        "url": "https://api.github.com/repos/$repoFullName/labels/framework",
        "name": "framework",
        "color": "207de5",
        "default": false
      },
      ${includeGoldLabel ? '''
      {
        "id": 283480100,
        "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
        "url": "https://api.github.com/repos/$repoFullName/labels/tool",
        "name": "will affect goldens",
        "color": "5319e7",
        "default": false
      },''' : ''}
      ${includeCqLabel ? '''
      {
        "id": 283480100,
        "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
        "url": "https://api.github.com/repos/$repoFullName/labels/tool",
        "name": "CQ+1",
        "color": "5319e7",
        "default": false
      },''' : ''}
      {
        "id": 283480100,
        "node_id": "MDU6TGFiZWwyODM0ODAxMDA=",
        "url": "https://api.github.com/repos/$repoFullName/labels/tool",
        "name": "tool",
        "color": "5319e7",
        "default": false
      }
    ],
    "milestone": null,
    "commits_url": "https://api.github.com/repos/$repoFullName/pulls/$number/commits",
    "review_comments_url": "https://api.github.com/repos/$repoFullName/pulls/$number/comments",
    "review_comment_url": "https://api.github.com/repos/$repoFullName/pulls/comments{/number}",
    "comments_url": "https://api.github.com/repos/$repoFullName/issues/$number/comments",
    "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/be6ff099a4ee56e152a5fa2f37edd10f79d1269a",
    "head": {
      "label": "$login:wait_for_reassemble",
      "ref": "wait_for_reassemble",
      "sha": "be6ff099a4ee56e152a5fa2f37edd10f79d1269a",
      "user": {
        "login": "$login",
        "id": 8620741,
        "node_id": "MDQ6VXNlcjg2MjA3NDE=",
        "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
        "gravatar_id": "",
        "url": "https://api.github.com/users/flutter",
        "html_url": "https://github.com/flutter",
        "followers_url": "https://api.github.com/users/flutter/followers",
        "following_url": "https://api.github.com/users/flutter/following{/other_user}",
        "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
        "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
        "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
        "organizations_url": "https://api.github.com/users/flutter/orgs",
        "repos_url": "https://api.github.com/users/flutter/repos",
        "events_url": "https://api.github.com/users/flutter/events{/privacy}",
        "received_events_url": "https://api.github.com/users/flutter/received_events",
        "type": "User",
        "site_admin": false
      },
      "repo": {
        "id": 131232406,
        "node_id": "MDEwOlJlcG9zaXRvcnkxMzEyMzI0MDY=",
        "name": "$repoName",
        "full_name": "$repoFullName",
        "private": false,
        "owner": {
          "login": "flutter",
          "id": 8620741,
          "node_id": "MDQ6VXNlcjg2MjA3NDE=",
          "avatar_url": "https://avatars3.githubusercontent.com/u/8620741?v=4",
          "gravatar_id": "",
          "url": "https://api.github.com/users/flutter",
          "html_url": "https://github.com/flutter",
          "followers_url": "https://api.github.com/users/flutter/followers",
          "following_url": "https://api.github.com/users/flutter/following{/other_user}",
          "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
          "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
          "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
          "organizations_url": "https://api.github.com/users/flutter/orgs",
          "repos_url": "https://api.github.com/users/flutter/repos",
          "events_url": "https://api.github.com/users/flutter/events{/privacy}",
          "received_events_url": "https://api.github.com/users/flutter/received_events",
          "type": "User",
          "site_admin": false
        },
        "html_url": "https://github.com/$repoFullName",
        "description": "Flutter makes it easy and fast to build beautiful mobile apps.",
        "fork": true,
        "url": "https://api.github.com/repos/$repoFullName",
        "forks_url": "https://api.github.com/repos/$repoFullName/forks",
        "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
        "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
        "teams_url": "https://api.github.com/repos/$repoFullName/teams",
        "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
        "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
        "events_url": "https://api.github.com/repos/$repoFullName/events",
        "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
        "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
        "tags_url": "https://api.github.com/repos/$repoFullName/tags",
        "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
        "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
        "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
        "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
        "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
        "languages_url": "https://api.github.com/repos/$repoFullName/languages",
        "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
        "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
        "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
        "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
        "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
        "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
        "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
        "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
        "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
        "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
        "merges_url": "https://api.github.com/repos/$repoFullName/merges",
        "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
        "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
        "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
        "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
        "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
        "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
        "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
        "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
        "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
        "created_at": "2018-04-27T02:03:08Z",
        "updated_at": "2019-06-27T06:56:59Z",
        "pushed_at": "2019-07-03T19:40:11Z",
        "git_url": "git://github.com/$repoFullName.git",
        "ssh_url": "git@github.com:$repoFullName.git",
        "clone_url": "https://github.com/$repoFullName.git",
        "svn_url": "https://github.com/$repoFullName",
        "homepage": "https://flutter.io",
        "size": 94508,
        "stargazers_count": 1,
        "watchers_count": 1,
        "language": "Dart",
        "has_issues": false,
        "has_projects": true,
        "has_downloads": true,
        "has_wiki": true,
        "has_pages": false,
        "forks_count": 0,
        "mirror_url": null,
        "archived": false,
        "disabled": false,
        "open_issues_count": 0,
        "license": {
          "key": "other",
          "name": "Other",
          "spdx_id": "NOASSERTION",
          "url": null,
          "node_id": "MDc6TGljZW5zZTA="
        },
        "forks": 0,
        "open_issues": 0,
        "watchers": 1,
        "default_branch": "master"
      }
    },
    "base": {
      "label": "flutter:$baseRef",
      "ref": "$baseRef",
      "sha": "4cd12fc8b7d4cc2d8609182e1c4dea5cddc86890",
      "user": {
        "login": "flutter",
        "id": 14101776,
        "node_id": "MDEyOk9yZ2FuaXphdGlvbjE0MTAxNzc2",
        "avatar_url": "https://avatars3.githubblahblahblah",
        "gravatar_id": "",
        "url": "https://api.github.com/users/flutter",
        "html_url": "https://github.com/flutter",
        "followers_url": "https://api.github.com/users/flutter/followers",
        "following_url": "https://api.github.com/users/flutter/following{/other_user}",
        "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
        "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
        "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
        "organizations_url": "https://api.github.com/users/flutter/orgs",
        "repos_url": "https://api.github.com/users/flutter/repos",
        "events_url": "https://api.github.com/users/flutter/events{/privacy}",
        "received_events_url": "https://api.github.com/users/flutter/received_events",
        "type": "Organization",
        "site_admin": false
      },
      "repo": {
        "id": 31792824,
        "node_id": "MDEwOlJlcG9zaXRvcnkzMTc5MjgyNA==",
        "name": "$repoName",
        "full_name": "$repoFullName",
        "private": false,
        "owner": {
          "login": "flutter",
          "id": 14101776,
          "node_id": "MDEyOk9yZ2FuaXphdGlvbjE0MTAxNzc2",
          "avatar_url": "https://avatars3.githubblahblahblah",
          "gravatar_id": "",
          "url": "https://api.github.com/users/flutter",
          "html_url": "https://github.com/flutter",
          "followers_url": "https://api.github.com/users/flutter/followers",
          "following_url": "https://api.github.com/users/flutter/following{/other_user}",
          "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
          "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
          "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
          "organizations_url": "https://api.github.com/users/flutter/orgs",
          "repos_url": "https://api.github.com/users/flutter/repos",
          "events_url": "https://api.github.com/users/flutter/events{/privacy}",
          "received_events_url": "https://api.github.com/users/flutter/received_events",
          "type": "Organization",
          "site_admin": false
        },
        "html_url": "https://github.com/$repoFullName",
        "description": "Flutter makes it easy and fast to build beautiful mobile apps.",
        "fork": false,
        "url": "https://api.github.com/repos/$repoFullName",
        "forks_url": "https://api.github.com/repos/$repoFullName/forks",
        "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
        "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
        "teams_url": "https://api.github.com/repos/$repoFullName/teams",
        "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
        "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
        "events_url": "https://api.github.com/repos/$repoFullName/events",
        "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
        "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
        "tags_url": "https://api.github.com/repos/$repoFullName/tags",
        "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
        "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
        "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
        "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
        "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
        "languages_url": "https://api.github.com/repos/$repoFullName/languages",
        "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
        "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
        "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
        "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
        "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
        "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
        "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
        "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
        "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
        "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
        "merges_url": "https://api.github.com/repos/$repoFullName/merges",
        "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
        "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
        "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
        "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
        "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
        "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
        "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
        "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
        "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
        "created_at": "2015-03-06T22:54:58Z",
        "updated_at": "2019-07-04T02:08:44Z",
        "pushed_at": "2019-07-04T02:03:04Z",
        "git_url": "git://github.com/$repoFullName.git",
        "ssh_url": "git@github.com:$repoFullName.git",
        "clone_url": "https://github.com/$repoFullName.git",
        "svn_url": "https://github.com/$repoFullName",
        "homepage": "https://flutter.dev",
        "size": 65507,
        "stargazers_count": 68944,
        "watchers_count": 68944,
        "language": "Dart",
        "has_issues": true,
        "has_projects": true,
        "has_downloads": true,
        "has_wiki": true,
        "has_pages": false,
        "forks_count": 7987,
        "mirror_url": null,
        "archived": false,
        "disabled": false,
        "open_issues_count": 6536,
        "license": {
          "key": "other",
          "name": "Other",
          "spdx_id": "NOASSERTION",
          "url": null,
          "node_id": "MDc6TGljZW5zZTA="
        },
        "forks": 7987,
        "open_issues": 6536,
        "watchers": 68944,
        "default_branch": "master"
      }
    },
    "_links": {
      "self": {
        "href": "https://api.github.com/repos/$repoFullName/pulls/$number"
      },
      "html": {
        "href": "https://github.com/$repoFullName/pull/$number"
      },
      "issue": {
        "href": "https://api.github.com/repos/$repoFullName/issues/$number"
      },
      "comments": {
        "href": "https://api.github.com/repos/$repoFullName/issues/$number/comments"
      },
      "review_comments": {
        "href": "https://api.github.com/repos/$repoFullName/pulls/$number/comments"
      },
      "review_comment": {
        "href": "https://api.github.com/repos/$repoFullName/pulls/comments{/number}"
      },
      "commits": {
        "href": "https://api.github.com/repos/$repoFullName/pulls/$number/commits"
      },
      "statuses": {
        "href": "https://api.github.com/repos/$repoFullName/statuses/deadbeef"
      }
    },
    "author_association": "MEMBER",
    "draft" : $isDraft,
    "merged": $merged,
    "mergeable": null,
    "rebaseable": true,
    "mergeable_state": "draft",
    "merged_by": null,
    "comments": 1,
    "review_comments": 0,
    "maintainer_can_modify": true,
    "commits": 5,
    "additions": 55,
    "deletions": 36,
    "changed_files": 5
  },
  "repository": {
    "id": 1868532,
    "node_id": "MDEwOlJlcG9zaXRvcnkxODY4NTMwMDI=",
    "name": "$repoName",
    "full_name": "$repoFullName",
    "private": false,
    "owner": {
      "login": "flutter",
      "id": 21031067,
      "node_id": "MDQ6VXNlcjIxMDMxMDY3",
      "avatar_url": "https://avatars1.githubusercontent.com/u/21031067?v=4",
      "gravatar_id": "",
      "url": "https://api.github.com/users/flutter",
      "html_url": "https://github.com/flutter",
      "followers_url": "https://api.github.com/users/flutter/followers",
      "following_url": "https://api.github.com/users/flutter/following{/other_user}",
      "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
      "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
      "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
      "organizations_url": "https://api.github.com/users/flutter/orgs",
      "repos_url": "https://api.github.com/users/flutter/repos",
      "events_url": "https://api.github.com/users/flutter/events{/privacy}",
      "received_events_url": "https://api.github.com/users/flutter/received_events",
      "type": "User",
      "site_admin": false
    },
    "html_url": "https://github.com/$repoFullName",
    "description": null,
    "fork": false,
    "url": "https://api.github.com/repos/$repoFullName",
    "forks_url": "https://api.github.com/repos/$repoFullName/forks",
    "keys_url": "https://api.github.com/repos/$repoFullName/keys{/key_id}",
    "collaborators_url": "https://api.github.com/repos/$repoFullName/collaborators{/collaborator}",
    "teams_url": "https://api.github.com/repos/$repoFullName/teams",
    "hooks_url": "https://api.github.com/repos/$repoFullName/hooks",
    "issue_events_url": "https://api.github.com/repos/$repoFullName/issues/events{/number}",
    "events_url": "https://api.github.com/repos/$repoFullName/events",
    "assignees_url": "https://api.github.com/repos/$repoFullName/assignees{/user}",
    "branches_url": "https://api.github.com/repos/$repoFullName/branches{/branch}",
    "tags_url": "https://api.github.com/repos/$repoFullName/tags",
    "blobs_url": "https://api.github.com/repos/$repoFullName/git/blobs{/sha}",
    "git_tags_url": "https://api.github.com/repos/$repoFullName/git/tags{/sha}",
    "git_refs_url": "https://api.github.com/repos/$repoFullName/git/refs{/sha}",
    "trees_url": "https://api.github.com/repos/$repoFullName/git/trees{/sha}",
    "statuses_url": "https://api.github.com/repos/$repoFullName/statuses/{sha}",
    "languages_url": "https://api.github.com/repos/$repoFullName/languages",
    "stargazers_url": "https://api.github.com/repos/$repoFullName/stargazers",
    "contributors_url": "https://api.github.com/repos/$repoFullName/contributors",
    "subscribers_url": "https://api.github.com/repos/$repoFullName/subscribers",
    "subscription_url": "https://api.github.com/repos/$repoFullName/subscription",
    "commits_url": "https://api.github.com/repos/$repoFullName/commits{/sha}",
    "git_commits_url": "https://api.github.com/repos/$repoFullName/git/commits{/sha}",
    "comments_url": "https://api.github.com/repos/$repoFullName/comments{/number}",
    "issue_comment_url": "https://api.github.com/repos/$repoFullName/issues/comments{/number}",
    "contents_url": "https://api.github.com/repos/$repoFullName/contents/{+path}",
    "compare_url": "https://api.github.com/repos/$repoFullName/compare/{base}...{head}",
    "merges_url": "https://api.github.com/repos/$repoFullName/merges",
    "archive_url": "https://api.github.com/repos/$repoFullName/{archive_format}{/ref}",
    "downloads_url": "https://api.github.com/repos/$repoFullName/downloads",
    "issues_url": "https://api.github.com/repos/$repoFullName/issues{/number}",
    "pulls_url": "https://api.github.com/repos/$repoFullName/pulls{/number}",
    "milestones_url": "https://api.github.com/repos/$repoFullName/milestones{/number}",
    "notifications_url": "https://api.github.com/repos/$repoFullName/notifications{?since,all,participating}",
    "labels_url": "https://api.github.com/repos/$repoFullName/labels{/name}",
    "releases_url": "https://api.github.com/repos/$repoFullName/releases{/id}",
    "deployments_url": "https://api.github.com/repos/$repoFullName/deployments",
    "created_at": "2019-05-15T15:19:25Z",
    "updated_at": "2019-05-15T15:19:27Z",
    "pushed_at": "2019-05-15T15:20:32Z",
    "git_url": "git://github.com/$repoFullName.git",
    "ssh_url": "git@github.com:$repoFullName.git",
    "clone_url": "https://github.com/$repoFullName.git",
    "svn_url": "https://github.com/$repoFullName",
    "homepage": null,
    "size": 0,
    "stargazers_count": 0,
    "watchers_count": 0,
    "language": null,
    "has_issues": true,
    "has_projects": true,
    "has_downloads": true,
    "has_wiki": true,
    "has_pages": true,
    "forks_count": 0,
    "mirror_url": null,
    "archived": false,
    "disabled": false,
    "open_issues_count": 2,
    "license": null,
    "forks": 0,
    "open_issues": 2,
    "watchers": 0,
    "default_branch": "master"
  },
  "sender": {
    "login": "$login",
    "id": 21031067,
    "node_id": "MDQ6VXNlcjIxMDMxMDY3",
    "avatar_url": "https://avatars1.githubusercontent.com/u/21031067?v=4",
    "gravatar_id": "",
    "url": "https://api.github.com/users/flutter",
    "html_url": "https://github.com/flutter",
    "followers_url": "https://api.github.com/users/flutter/followers",
    "following_url": "https://api.github.com/users/flutter/following{/other_user}",
    "gists_url": "https://api.github.com/users/flutter/gists{/gist_id}",
    "starred_url": "https://api.github.com/users/flutter/starred{/owner}{/repo}",
    "subscriptions_url": "https://api.github.com/users/flutter/subscriptions",
    "organizations_url": "https://api.github.com/users/flutter/orgs",
    "repos_url": "https://api.github.com/users/flutter/repos",
    "events_url": "https://api.github.com/users/flutter/events{/privacy}",
    "received_events_url": "https://api.github.com/users/flutter/received_events",
    "type": "User",
    "site_admin": false
  }
}''';