| // Copyright 2026 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:math' as math; |
| |
| import 'package:cocoon_common/task_status.dart'; |
| import 'package:cocoon_integration_test/cocoon_integration_test.dart'; |
| import 'package:cocoon_service/cocoon_service.dart'; |
| import 'package:github/github.dart'; |
| import 'package:googleapis/firestore/v1.dart' as g; |
| import 'package:uuid/uuid.dart'; |
| |
| import 'cocoon.dart'; |
| import 'scenarios.dart'; |
| |
| /// Seeder to populate [IntegrationServer] with fake data. |
| class DataSeeder { |
| DataSeeder(this._server, {this.scenario = Scenario.realistic}); |
| |
| final IntegrationServer _server; |
| final Scenario scenario; |
| |
| /// Seeds the [IntegrationServer] with initial data. |
| void seed({DateTime? now}) { |
| if (scenario == Scenario.empty) { |
| return; |
| } |
| |
| // Use a fixed seed for reproducibility in tests, matching DevelopmentCocoonService |
| now ??= DateTime.now(); |
| final random = math.Random(now.millisecondsSinceEpoch); |
| |
| // Seed Commits and Tasks |
| for (final repo in ['flutter', 'cocoon', 'packages']) { |
| final branch = defaultBranches[repo]!; |
| _seedCommitStatuses(now, random, repo, branch); |
| } |
| |
| // Seed Tree Status Changes |
| _seedTreeStatusChanges(now); |
| |
| // Seed Suppressed Tests |
| _seedSuppressedTests(now); |
| |
| // Seed Presubmit Data |
| _seedPresubmitData(now); |
| } |
| |
| void _seedPresubmitData(DateTime now) { |
| final guards = <PresubmitGuard>[]; |
| final checks = <PresubmitJob>[]; |
| |
| // cafe5_1_mock_sha |
| final prNum = 1234; |
| var checkRunId = 123456; |
| var creationTime = 1770000000000; |
| final enginejobs = [ |
| 'Mac mac_host_engine', |
| 'Mac mac_ios_engine', |
| 'Linux linux_android_aot_engine', |
| ]; |
| final fusionjobs = [ |
| 'Linux framework_tests', |
| 'Mac framework_tests', |
| 'Linux android framework_tests', |
| 'Windows framework_tests', |
| 'Mac_x64 framework_misc', |
| 'Linux_android_emu android_engine_opengles_tests', |
| 'Linux_android_emu_vulkan_stable android_engine_vulkan_tests', |
| 'Mac_arm64 run_debug_test_macos', |
| 'Linux_android_emu android views', |
| ]; |
| var engineChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[0], |
| status: TaskStatus.failed, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[1], |
| status: TaskStatus.cancelled, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[2], |
| status: TaskStatus.infraFailure, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'cafe5_1_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[0], |
| stage: CiStage.fusionEngineBuild, |
| creationTime: creationTime, |
| jobs: {for (var check in engineChecks) check.jobName: check.status}, |
| ), |
| ); |
| checks.addAll(engineChecks); |
| |
| // face5_2_mock_sha |
| checkRunId = 234567; |
| creationTime = creationTime + 100000; |
| engineChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[0], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[1], |
| status: TaskStatus.skipped, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[2], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'face5_2_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[1], |
| stage: CiStage.fusionEngineBuild, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(engineChecks), |
| ), |
| ); |
| checks.addAll(engineChecks); |
| creationTime = creationTime + 100000; |
| var fusionChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[0], |
| status: TaskStatus.inProgress, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[1], |
| status: TaskStatus.skipped, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[2], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[3], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'face5_2_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[1], |
| stage: CiStage.fusionTests, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(fusionChecks), |
| ), |
| ); |
| checks.addAll(fusionChecks); |
| |
| // decaf_3_mock_sha |
| checkRunId = 345678; |
| creationTime = creationTime + 100000; |
| engineChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[0], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[1], |
| status: TaskStatus.skipped, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[2], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'decaf_3_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[3], |
| stage: CiStage.fusionEngineBuild, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(engineChecks), |
| ), |
| ); |
| checks.addAll(engineChecks); |
| creationTime = creationTime + 100000; |
| var creationTime2 = creationTime + 100000; |
| fusionChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[0], |
| status: TaskStatus.failed, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[0], |
| status: TaskStatus.succeeded, |
| attemptNumber: 2, |
| creationTime: creationTime2, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[1], |
| status: TaskStatus.skipped, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[2], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[3], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'decaf_3_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[3], |
| stage: CiStage.fusionTests, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(fusionChecks), |
| ), |
| ); |
| checks.addAll(fusionChecks); |
| |
| // deafcab_mock_sha |
| checkRunId = 456789; |
| creationTime = creationTime + 100000; |
| engineChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[0], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[1], |
| status: TaskStatus.skipped, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: enginejobs[2], |
| status: TaskStatus.succeeded, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'deafcab_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[4], |
| stage: CiStage.fusionEngineBuild, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(engineChecks), |
| ), |
| ); |
| checks.addAll(engineChecks); |
| creationTime = creationTime + 100000; |
| creationTime2 = creationTime + 100000; |
| fusionChecks = [ |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[0], |
| status: TaskStatus.failed, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[0], |
| status: TaskStatus.succeeded, |
| attemptNumber: 2, |
| creationTime: creationTime2, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[1], |
| status: TaskStatus.cancelled, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[2], |
| status: TaskStatus.infraFailure, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[3], |
| status: TaskStatus.failed, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[3], |
| status: TaskStatus.failed, |
| attemptNumber: 2, |
| creationTime: creationTime2, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[4], |
| status: TaskStatus.neutral, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[5], |
| status: TaskStatus.neutral, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[6], |
| status: TaskStatus.neutral, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[7], |
| status: TaskStatus.neutral, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| _createPresubmitJob( |
| checkRunId: checkRunId, |
| jobName: fusionjobs[8], |
| status: TaskStatus.neutral, |
| attemptNumber: 1, |
| creationTime: creationTime, |
| ), |
| ]; |
| guards.add( |
| _createPresubmitGuard( |
| headSha: 'deafcab_mock_sha', |
| checkRunId: checkRunId, |
| prNum: prNum, |
| author: _authors[4], |
| stage: CiStage.fusionTests, |
| creationTime: creationTime, |
| jobs: _getLatestjobstatuses(fusionChecks), |
| ), |
| ); |
| checks.addAll(fusionChecks); |
| |
| final prCheckRuns = <PrCheckRuns>[]; |
| for (final guard in guards) { |
| prCheckRuns.add(_createPrCheckRuns(guard)); |
| } |
| |
| // Add some checks with multiple attempts for testing fetchPresubmitJobDetails |
| _server.firestore.putDocuments(guards); |
| _server.firestore.putDocuments(checks); |
| _server.firestore.putDocuments(prCheckRuns); |
| } |
| |
| Map<String, TaskStatus> _getLatestjobstatuses(List<PresubmitJob> checks) { |
| final latestChecks = <String, PresubmitJob>{}; |
| for (final check in checks) { |
| if (!latestChecks.containsKey(check.jobName) || |
| check.attemptNumber > latestChecks[check.jobName]!.attemptNumber) { |
| latestChecks[check.jobName] = check; |
| } |
| } |
| return {for (var check in latestChecks.values) check.jobName: check.status}; |
| } |
| |
| PresubmitGuard _createPresubmitGuard({ |
| required String headSha, |
| required int checkRunId, |
| required int prNum, |
| required String author, |
| required CiStage stage, |
| required int creationTime, |
| required Map<String, TaskStatus> jobs, |
| }) { |
| final slug = RepositorySlug('flutter', 'flutter'); |
| final failedJobs = jobs.values.where((status) => status.isFailure).length; |
| final remainingJobs = jobs.values |
| .where((status) => !status.isComplete) |
| .length; |
| |
| return PresubmitGuard( |
| checkRun: generateCheckRun( |
| checkRunId, |
| name: 'Merge Queue Guard', |
| startedAt: DateTime.fromMillisecondsSinceEpoch(creationTime), |
| ), |
| headSha: headSha, |
| slug: slug, |
| prNum: prNum, |
| stage: stage, |
| creationTime: creationTime, |
| author: author, |
| remainingJobs: remainingJobs, |
| failedJobs: failedJobs, |
| jobs: jobs, |
| ); |
| } |
| |
| PresubmitJob _createPresubmitJob({ |
| required int checkRunId, |
| required String jobName, |
| required TaskStatus status, |
| required int creationTime, |
| int attemptNumber = 1, |
| }) { |
| return PresubmitJob( |
| slug: RepositorySlug('flutter', 'flutter'), |
| checkRunId: checkRunId, |
| jobName: jobName, |
| status: status, |
| attemptNumber: attemptNumber, |
| creationTime: creationTime, |
| buildNumber: 1337 + attemptNumber, |
| buildId: 24567 + attemptNumber, |
| summary: switch (status) { |
| .succeeded => |
| '[INFO] Starting task $jobName...\n[SUCCESS] All tests passed (452/452)', |
| .failed => |
| '[INFO] Starting task $jobName...\n[ERROR] Test failed: Dummy Tests', |
| .infraFailure => |
| '[INFO] Starting task $jobName...\n[ERROR] Infrastructure failure: Dummy Tests', |
| .cancelled => |
| '[INFO] Starting task $jobName...\n[ERROR] Test cancelled: Dummy Tests', |
| .inProgress => '[INFO] Starting task $jobName...', |
| .waitingForBackfill => null, |
| .skipped => |
| '[INFO] Starting task $jobName...\n[INFO] Test skipped: Dummy Tests', |
| .neutral => |
| '[INFO] Starting task $jobName...\n[INFO] Test neutral: Dummy Tests', |
| }, |
| startTime: creationTime + 30000, |
| endTime: creationTime + 60000, |
| logAnalysis: switch (status) { |
| .failed => |
| 'Based on my analysis of the provided LUCI logs and the context of the changes in this PR, here is the breakdown of the build failure:\n\n ### 1. Identify the specific test or command that failed for $jobName \n...', |
| _ => null, |
| }, |
| ); |
| } |
| |
| PrCheckRuns _createPrCheckRuns(PresubmitGuard guard) { |
| final pr = PullRequest( |
| number: guard.prNum, |
| head: PullRequestHead( |
| sha: guard.commitSha, |
| repo: Repository( |
| fullName: guard.slug.fullName, |
| name: guard.slug.name, |
| owner: UserInformation(guard.slug.owner, 1, '', ''), |
| ), |
| ), |
| base: PullRequestHead( |
| ref: 'master', |
| repo: Repository( |
| fullName: guard.slug.fullName, |
| name: guard.slug.name, |
| owner: UserInformation(guard.slug.owner, 1, '', ''), |
| ), |
| ), |
| user: User(login: guard.author), |
| labels: [], |
| ); |
| final docName = |
| 'projects/${Config.flutterGcpProjectId}/databases/${Config.flutterGcpFirestoreDatabase}/documents/${PrCheckRuns.kCollectionId}/${const Uuid().v4()}'; |
| final prCheckRuns = PrCheckRuns() |
| ..pullRequest = pr |
| ..fields['sha'] = guard.commitSha.toValue() |
| ..fields['slug'] = jsonEncode(guard.slug.toJson()).toValue() |
| ..fields['Merge Queue Guard'] = guard.checkRun.id!.toString().toValue() |
| ..name = docName; |
| |
| for (final jobName in guard.jobs.keys) { |
| prCheckRuns.fields[jobName] = '234567'.toString().toValue(); |
| } |
| |
| return prCheckRuns; |
| } |
| |
| void _seedTreeStatusChanges(DateTime now) { |
| final changes = <TreeStatusChange>[]; |
| // Create a history of tree status changes |
| for (var i = 0; i < 10; i++) { |
| changes.add( |
| _createTreeStatusChange( |
| i, |
| created: now.subtract(Duration(hours: i)), |
| status: i.isEven ? TreeStatus.success : TreeStatus.failure, |
| reason: i.isEven ? null : 'Build failure on Linux', |
| ), |
| ); |
| } |
| _server.firestore.putDocuments(changes); |
| } |
| |
| void _seedSuppressedTests(DateTime now) { |
| final suppressed = <SuppressedTest>[]; |
| suppressed.add( |
| _createSuppressedTest( |
| name: 'Linux_android 0', |
| created: now.subtract(const Duration(days: 1)), |
| issueLink: 'https://github.com/flutter/flutter/issues/12345', |
| ), |
| ); |
| _server.firestore.putDocuments(suppressed); |
| } |
| |
| TreeStatusChange _createTreeStatusChange( |
| int i, { |
| DateTime? created, |
| TreeStatus status = TreeStatus.success, |
| String author = 'dash', |
| String? reason, |
| String repo = 'flutter', |
| }) { |
| final name = |
| 'projects/${Config.flutterGcpProjectId}/databases/${Config.flutterGcpFirestoreDatabase}/documents/${TreeStatusChange.metadata.collectionId}/$i'; |
| return TreeStatusChange.fromDocument( |
| g.Document( |
| name: name, |
| fields: { |
| 'createTimestamp': (created ?? DateTime.fromMillisecondsSinceEpoch(i)) |
| .toValue(), |
| 'status': status.name.toValue(), |
| 'author': author.toValue(), |
| 'repository': RepositorySlug('flutter', repo).fullName.toValue(), |
| if (reason != null) 'reason': reason.toValue(), |
| }, |
| ), |
| ); |
| } |
| |
| SuppressedTest _createSuppressedTest({ |
| String name = 'task', |
| String repository = 'flutter/flutter', |
| bool isSuppressed = true, |
| String issueLink = 'link', |
| DateTime? created, |
| }) { |
| final docName = |
| 'projects/${Config.flutterGcpProjectId}/databases/${Config.flutterGcpFirestoreDatabase}/documents/${SuppressedTest.kCollectionId}/$name'; |
| return SuppressedTest( |
| name: name, |
| repository: repository, |
| isSuppressed: isSuppressed, |
| issueLink: issueLink, |
| createTimestamp: created ?? DateTime.fromMillisecondsSinceEpoch(1), |
| )..name = docName; |
| } |
| |
| void _seedCommitStatuses( |
| DateTime now, |
| math.Random random, |
| String repo, |
| String branch, |
| ) { |
| const commitGap = 2 * 60 * 1000; // 2 minutes between commits |
| final baseTimestamp = now.millisecondsSinceEpoch; |
| |
| final commits = <Commit>[]; |
| final tasks = <Task>[]; |
| |
| final commitCount = scenario == Scenario.highLoad ? 100 : 25; |
| |
| for (var index = 0; index < commitCount; index += 1) { |
| final commitTimestamp = baseTimestamp - ((index + 1) * commitGap); |
| // Use the same random sequence as DevelopmentCocoonService |
| final commitRandom = math.Random(commitTimestamp); |
| |
| // Generate a stable and unique SHA for each commit |
| final headSha = _commitsSha[repo]![index]; |
| |
| final authorIndex = commitRandom.nextInt(_authors.length); |
| final messageSeed = commitTimestamp % 37 + authorIndex; |
| final messageInc = _messagePrimes[messageSeed % _messagePrimes.length]; |
| final message = List<String>.generate( |
| 6, |
| (int i) => _words[(messageSeed + i * messageInc) % _words.length], |
| ).join(' '); |
| |
| final commit = generateFirestoreCommit( |
| index, |
| sha: headSha, |
| repo: repo, |
| branch: branch, |
| createTimestamp: commitTimestamp, |
| author: _authors[authorIndex], |
| avatar: _avatars[authorIndex], |
| message: message, |
| ); |
| commits.add(commit); |
| |
| final taskCount = switch (repo) { |
| 'flutter' => 100, |
| 'packages' => 42, |
| 'cocoon' => 13, |
| _ => 3, |
| }; |
| for (var i = 0; i < taskCount; i++) { |
| tasks.add( |
| _createFakeTask( |
| now, |
| commitTimestamp, |
| index, |
| i, |
| commitRandom, |
| headSha, |
| repo, |
| ), |
| ); |
| } |
| } |
| |
| _server.firestore.putDocuments(commits); |
| _server.firestore.putDocuments(tasks); |
| } |
| |
| Task _createFakeTask( |
| DateTime now, |
| int commitTimestamp, |
| int commitIndex, |
| int taskIndex, |
| math.Random random, |
| String commitSha, |
| String repo, |
| ) { |
| const commitGap = 2 * 60 * 1000; |
| final age = (now.millisecondsSinceEpoch - commitTimestamp) ~/ commitGap; |
| |
| TaskStatus status; |
| if (scenario == Scenario.allGreen) { |
| status = TaskStatus.succeeded; |
| } else if (scenario == Scenario.redTree && commitIndex == 0) { |
| status = TaskStatus.failed; |
| } else { |
| // The [statusesProbability] list is an list of proportional |
| // weights to give each of the values in _statuses when randomly |
| // determining the status. So e.g. if one is 150, another 50, and |
| // the rest 0, then the first has a 75% chance of being picked, |
| // the second a 25% chance, and the rest a 0% chance. |
| final statusesProbability = <int>[ |
| // bigger = more probable |
| math.max(taskIndex % 2, 20 - age * 2), // TaskStatus.waitingForBackfill |
| math.max(0, 10 - age * 2), // TaskStatus.inProgress |
| math.min(10 + age * 2, 100), // TaskStatus.succeeded |
| math.min(1 + age ~/ 3, 30), // TaskStatus.failed |
| if (taskIndex % 15 == 0) // TaskStatus.infraFailure |
| 5 |
| else if (taskIndex % 25 == 0) |
| 15 |
| else |
| 1, |
| if (taskIndex % 20 == 0) 30, |
| 1, // TaskStatus.cancelled |
| ]; |
| |
| final maxProbability = statusesProbability.fold( |
| 0, |
| (int c, int p) => c + p, |
| ); |
| var weightedIndex = random.nextInt(maxProbability); |
| var statusIndex = 0; |
| while (weightedIndex > statusesProbability[statusIndex]) { |
| weightedIndex -= statusesProbability[statusIndex]; |
| statusIndex += 1; |
| } |
| status = _statuses[statusIndex]; |
| } |
| |
| final minAttempts = _minAttempts[status]!; |
| final maxAttempts = _maxAttempts[status]!; |
| final attempts = |
| minAttempts + random.nextInt(maxAttempts - minAttempts + 1); |
| |
| final buildNumber = attempts > 0 ? random.nextInt(1000) : null; |
| |
| return generateFirestoreTask( |
| taskIndex, |
| name: 'Linux_android $taskIndex', |
| status: status, |
| attempts: attempts, |
| buildNumber: buildNumber, |
| commitSha: commitSha, |
| created: DateTime.fromMillisecondsSinceEpoch(commitTimestamp + taskIndex), |
| started: DateTime.fromMillisecondsSinceEpoch( |
| commitTimestamp + (taskIndex * 1000 * 60), |
| ), |
| ended: DateTime.fromMillisecondsSinceEpoch( |
| commitTimestamp + (taskIndex * 1000 * 60) + (taskIndex * 1000 * 60), |
| ), |
| bringup: taskIndex == now.millisecondsSinceEpoch % 13, |
| testFlaky: attempts > 1, |
| ); |
| } |
| |
| static const _statuses = [ |
| TaskStatus.waitingForBackfill, |
| TaskStatus.inProgress, |
| TaskStatus.succeeded, |
| TaskStatus.failed, |
| TaskStatus.infraFailure, |
| TaskStatus.skipped, |
| TaskStatus.cancelled, |
| ]; |
| |
| static const _minAttempts = { |
| TaskStatus.waitingForBackfill: 1, |
| TaskStatus.inProgress: 1, |
| TaskStatus.succeeded: 1, |
| TaskStatus.failed: 1, |
| TaskStatus.infraFailure: 1, |
| TaskStatus.skipped: 1, |
| TaskStatus.cancelled: 1, |
| }; |
| |
| static const _maxAttempts = { |
| TaskStatus.waitingForBackfill: 1, |
| TaskStatus.inProgress: 2, |
| TaskStatus.succeeded: 1, |
| TaskStatus.failed: 2, |
| TaskStatus.infraFailure: 2, |
| TaskStatus.skipped: 1, |
| TaskStatus.cancelled: 1, |
| }; |
| |
| static const List<String> _authors = <String>[ |
| 'matan', |
| 'yegor', |
| 'john', |
| 'jenn', |
| 'kate', |
| 'stuart', |
| ]; |
| |
| static const List<String> _avatars = [ |
| 'https://avatars.githubusercontent.com/u/168174?v=4', |
| 'https://avatars.githubusercontent.com/u/211513?v=4', |
| 'https://avatars.githubusercontent.com/u/1924313?v=4', |
| 'https://avatars.githubusercontent.com/u/682784?v=4', |
| 'https://avatars.githubusercontent.com/u/16964204?v=4', |
| 'https://avatars.githubusercontent.com/u/122189?v=4', |
| ]; |
| |
| static const List<int> _messagePrimes = <int>[ |
| 3, |
| 11, |
| 17, |
| 23, |
| 31, |
| 41, |
| 47, |
| 67, |
| 79, |
| ]; |
| static const List<String> _words = <String>[ |
| 'fixes', |
| 'issue', |
| 'crash', |
| 'developer', |
| 'blocker', |
| 'intermittent', |
| 'format', |
| ]; |
| |
| static const _commitsSha = { |
| 'cocoon': _commitsCocoon, |
| 'flutter': _commitsFlutter, |
| 'packages': _commitsPackages, |
| }; |
| |
| // These commits from from flutter/cocoon |
| static const List<String> _commitsCocoon = <String>[ |
| '2fd76f920a38e4384248173d05ee482d5aeaf4c5', |
| '2d22b5e85f986f3fa2cf1bfaf085905c2182c270', |
| '77238bc7bf35489df03bc00ce2b2231a1afe6b06', |
| '01d87b7a802e6ea388a066e773b1af3dace44053', |
| '754039ae0cc524db1052da0f22c9275e32fe4f54', |
| '1f5e006a398fa5d0e59f78cd5071e2532d2fe438', |
| 'a798b24044d567df62b8693b179932a8364c8dd8', |
| '4389a8a3dbe1ed4c6a643641e95d7759f2158d9e', |
| 'c05e886884ec9adff2f43b87dbcb02e3507d971b', |
| 'a2acc46447cdfcd6628a897dea27ff64849bfc99', |
| 'd31d67ffb38fbd09ecf0a11ad5f6fd433cec9c9f', |
| 'e303d2c71c956c9c1eb7bf81473aac20d756eb75', |
| '789f6bb335fe31de5d9c6adbab2fc169030a057f', |
| 'c97f0670658e04f096a3e57b20fa8241306ffcaa', |
| 'e8e31198861b5f53f04900bdf9a54e8bf6b7d597', |
| '434a0a7d3c4c3bc633e06de7707ef590c54c20c3', |
| 'e7fca29b3f0408c7c1726e270a5aba0e28e74090', |
| 'dd6f94d8573a77506a122899a0592a956ac57bec', |
| 'cb19ec23d79b9d422f577722e5a14253fdcaea71', |
| '4cb8c6498aedfd2ff0f89e34eb5da993a77392bd', |
| 'de892884aa089f22aced4d19a71b6a1d521c8db6', |
| '214470ceb026525fa225d52dfe7d27db2c4ddf31', |
| 'e0f4628b4379286c433bab020b9e193fdc437d05', |
| 'be5975cb0b7fcad7ab2c3122a8df3d541befdeab', |
| '06f7ab60d4914e00b342f098e1ef3e43e501b469', |
| 'e1005bea192673e54faa0c769d9f0fb7439a09b4', |
| 'e22d7f6bf2e1e1969dd963d39ad32c756fb0f20e', |
| 'f4b4b20bb27cbbd1c42eee7b17ce39c5819dc818', |
| 'd717ed969b6a477499eb3cf823c78dbe654ca709', |
| '6a8d6a42b4c9f4b72caf0a3b808e50909686a2b7', |
| 'afaa9bfa5d26ab419f791d5ca97d602ec52a30a5', |
| 'f553212d9bfbc6e70c0d6a4ac3fe71208bb77ca1', |
| 'c35f8b79f4a5103603ceaaa14d1df3857a166fa1', |
| '46447341838d480966926d0b32771e281af1c885', |
| '4e3330081d4e0a3e109cf1cfb514072a90b999d7', |
| '4199ef93c3184c29362520ea5292d854a8728494', |
| 'a0538938974c60cb9249acf8f0588c3df3c0e4b1', |
| '49cac0b6c1e0d7d1d04865c328c8cbe5c8e0cda2', |
| '97e3cc6295515f8292f5f57868506c70446594c3', |
| 'c94e577ef3b0ab48255633c63f0143d9e3eab6f8', |
| '17d9af726fb6e4a4a8cc4f1becfc11dc9d4db96c', |
| '4af6ec81ad538e3da23ee88cba65ed8687a72ea3', |
| '69cb45166d2f4f61069e1f1a975dab3f48bed832', |
| 'ae227082570f75b614bb29593911ada5137654ad', |
| '882b9fa44962df0b80d9a25b2553796bd4eba2ff', |
| 'e1f5c4c7178c34ce561c493b558df7450995a60c', |
| '56d7272cd497c73502ec5a09bdf69b4c7ecbfd74', |
| '36a99b302f7348848ec477ce867a8b78656d9c6c', |
| '48be7a01565289f44c2c9d4ff1436800c52acf75', |
| '422cb82e01ee0192256a05217102f45f2f74551d', |
| 'f8744d10460abae3d75e92336b3bb264bb78cc8c', |
| '5000f246c8c568547c551b11e4b72acd0179e73c', |
| '52c09522b288766a42900aa73f77216907d16b23', |
| '61adb59fc097335b45b23fc884a78362b71a3e9b', |
| 'b81c3c58e5a6c45bc8728024068291a7e5f19c1a', |
| 'dec394e5401b62024ed71253e900c25a06eb46f9', |
| 'fbe142d2cb60fb981521cfe72961642d69db8784', |
| '24a9c4557e0366945c179433fab8434c2c8ee59f', |
| 'ccc28f607ae11fe79c39c42d88798c19b1388af9', |
| 'd4d5ca665e56063fdd37d42d2192c64151915454', |
| '4273fc07c3e8a36726087becdf331f7d63fc7e66', |
| '5e0380895cc8e34a6a58f238b7fd33b9e0f027fe', |
| '146908e48a8a9f92f59fae86a7a4ff28c0ce9109', |
| '2779a449026423bc0f50a10eead2d9f3720b825c', |
| 'ff9b954908341360ffb39f5eee2857172a29c0e5', |
| 'b00b6d146c4f4af1d28260a3f28abd15f0105221', |
| '4ffd03df44741d73877a0848935eea0d6cbfc1e9', |
| 'c2c5b73aaae2583cc235319e53200e0e15cda438', |
| 'b7b370faf46f4c682827fbb3967e1ef117b3b0d1', |
| 'bc6c9ac81e5909408518568729c2c3a147402928', |
| 'ba1aa77c5bc5fe545b245f2b1883af3dfeeae6c0', |
| '97a7060a7e28ab1d13cb2f4ca90be624b417168e', |
| '3df1da69ffcb4e00cf13c65c9f0497a56413e5e9', |
| 'ebb13b4ed0cb41814839d4084c064e62526b2ec0', |
| '70b9d50722307f0f45ceed01d421d6a425e95291', |
| '3f81ca7b73f21ca9b449c147942fbe4fcd31450d', |
| '86d490939df232966dc6ba363ebc0baaac364701', |
| '6ba51f3f61025543d66e59c2c1ae3d1b37d5d8d6', |
| 'b728942e1c9a9046c1a5c8d8a25a644d0db7160c', |
| '920819252a398c0e3da9b6017b110ee047c1748e', |
| 'd7c114d803b1365ea3a975c9600fc8cfd9efb9d4', |
| '792aa82143bb12e97f396cb2a462ad617dbd22bc', |
| 'b69dda7e6e7c605aacb0ab973a21830c4401db20', |
| '90b5950051487c57c9120f6d0b98d61dfb05a197', |
| '177ac767fdfbe9799f91bfc0f22b44109f7b1b20', |
| '18d71ce8066b0653b5ecd1a235571fd806f420a0', |
| '39016691752550109065cb506393f9a88eeb5433', |
| '3477afbf65aac3fd3dfca54770803283d827222a', |
| 'ec17795bcac60741f0b4009fd60e654333173c0d', |
| '02d64e3e6b65d430adc8f28e76b65fef06112e81', |
| '6d378d876bb342380e5aaa2671d7c2687bc67df2', |
| 'b47732a57770a5a1780f25bb495cbcc2b61722b9', |
| '4b666b1f44634a5766220adc84e01c6f804cf552', |
| '642bbd51338f2ea19e97409e3abaa07391707df9', |
| '49935920c84157e8c0b981ac6b4eac9f92022613', |
| 'ce4105b9a777ed2b494ee61465584d58faa52cde', |
| '24aeb8dffb2e9a83161a89e88e9aacf5f01beb63', |
| '07280e78af25d07f1bd00c391fd0928f5d9aa543', |
| '13239ea26d46db5a3268592b88ba65f732fcca7a', |
| '213244f8ec1740c1db65cd02853de2e5736b26bd', |
| ]; |
| |
| static const _commitsFlutter = [ |
| '692b51763d45cc4d574a06cf3d7b9b36f69c5170', |
| '450478ad313f8291c3a48b00a7331e7d12e2bda0', |
| 'fb75b2b671c7702b549a80a420144097f4fab5a9', |
| '9020331a243162781b2c5a645cdca892b1d32b97', |
| '7672bd756ac34099907137e51f276ee5c0cfb582', |
| '6172ba6c553e7642bc58997c200f5dde488b64bc', |
| '1da41c5015a28e0025a00b7c189077e3872a358c', |
| 'fafe9c3c1e772019a4894f6c3092f3f633654b1f', |
| '8d3b8d8b7fa1267439e979803af8d41e237e9c95', |
| '113ea6ae72deb26444c3b561c65c9c6b2c0f3ef3', |
| 'f4e490131e338bf8b1a3bcab8dae68c56c4498cd', |
| 'b13a8b24362d7a0b2fafe2a404cd9852b27dc688', |
| 'a545549c4e33a548600a8045d1bd5388346cf187', |
| 'f76936bb858dbade620fc8710b5fd89dc1fab750', |
| '4c4f5e70b14e238ceebd03372765abb204070573', |
| '3b21872f9aea4d1cdf3a09c7d74c3970d9316330', |
| 'c5643e21933389ab21a45e38515494c53d2cc2f6', |
| 'ee7e28ec979562d0ab722fd24b5e145068ec6b63', |
| 'cbb7a618809ee9dfb525ca6ea28044e016718ae7', |
| '399a692f7db0bd5faba36003d67880776a3767d3', |
| 'c389cc0b790a10482a82a5ab2915e907aa442ad1', |
| 'd88a5099b202bd289c508d1dd5ef3e006ccf8144', |
| 'c71e0e31aeb6b855477dee84b391d64f14967616', |
| '88ef36199ddebf36b0596af73047b56ed0208fa3', |
| '4f5478cce38d837e14b7a032a12500d3fc0f1310', |
| '02f61b17f1aa91dca2df3108676bc13700f9efe7', |
| '7ff0723e08fd3f40bf866c164da8f1895ad41e71', |
| 'fbfe04e0c4e7311a92f9407abb6ec6f3c9543d8e', |
| 'dad6f9d4107a5332d15c126207882edbd8acdc97', |
| '95144d41fa78bde126c4c1460d4f9ec1a0c3daa5', |
| '1e1df36da3654f3bec977435cee56637ab77d398', |
| 'efb43ece1f40a0a5f04348951eb625f81318587a', |
| 'd2d2a7a0c18d7465dd12225f511d998135e0036d', |
| '8774a3b33cb281791933f1cd45f0e77ddd9d4bd1', |
| '3ff83f39d2fe9c228f4fa16709392c27ef1d7d32', |
| '3f0a7310dfb6ae1ce29c09b58167b2c16cff743a', |
| '2a4b712361668ae230fbf1077bf6a5ef07552641', |
| 'e6e36963d3bdbd3810f8986ab56811b9ff145a5c', |
| '9c8defed0245315b2dab8986ae66fc84b186ff3e', |
| '6d42ae50140884ec72886665cfb5d4bf39f30afe', |
| '075faff72b964ee4fb6f4e45f260d0223ff55f23', |
| '1af98a6bfc879852008bd2108242a64c07403b1d', |
| '5b5a69ff0a4288b1e53c3d1337c5ac69ca26ebfc', |
| '4c020ad5dad530afde20c2830a5a6f22c6e3b867', |
| '3109939de842eb6fe00a831e436963d4568bdc0e', |
| 'f38a3e07af777d51606cd9912bc28c274eb6f05b', |
| '5655697a23d54dadeb4f527424b3da3ffa1051a2', |
| '9dc7888929d9112dfed9deb16f3f20d6a341bb5b', |
| '91b2d41a66d1c540233b819525553afc0fa1f58d', |
| '2d7e80963b3ad3594b7fcab231f1bd08c13cf0d1', |
| '81c91517d55c15f9f3a10d5b88401c7e191a5179', |
| '6c9a881a59f6a2e79e0896e0b475ee9293983947', |
| '8034db0bd38b1c682146474cc5986e2e00dad96f', |
| 'd134331bf8f01c213b87cc611a76a0013ed3e860', |
| '34073f4f2a86acd23f4966acbb24d550b5f31563', |
| '56956c33ef102ac0b5fc46b62bd2dd9f50a86616', |
| '0ef66c7d1a4c3ed303fdd2aa0349d39955b0e0ef', |
| '935b8f70305b2d82d76b2a15d568d973e2835895', |
| '9af4145b8ecb5da13d053dd2a6702c73705a862a', |
| 'a8911cbac88ef8f73c083465d0cbc35a7537f35f', |
| 'd33442bedb88e1579c58f5dee14951712bdaf94d', |
| '7008d4acb2076798da0adf3c16dc08286dbea765', |
| '06df71c51446e96939c6a615b7c34ce9123806ba', |
| '230240c56880f2c19bf92d2c32203b064054f173', |
| '1fdf684e327544e93c39f1da5429c3e880d22d15', |
| '8a80222e4d09460d6615636df152adc6772cb9f6', |
| 'de1b130cf637ad91ebf17db0893b7e1ce5f2b064', |
| 'e1f11bd5aafda71a21854a0cc53022666c1c5449', |
| '76f70d21da9c58da773ca7ebb044b2bbb8808c28', |
| '1f506886e11c3cb59deb216b6139f718f5a2dd67', |
| 'b9e7e3ffe808a93f1e50d3b1729bf1f40e375de2', |
| '2c24f0f31223fbda063ad40e25219578742ac299', |
| 'e0e7a7d72db3fef30b221433e259e4e94a4d3aec', |
| '96d292fa0acd9d11e85fd04f7355a47cf3fb2723', |
| '246b62f221f3966a0fcfcecc3e8cb1ef7ce3e953', |
| '1e97fd38cf89f94f5159f4e9d0b598a0871103ab', |
| '6c90a6559480c7b46a3e6c767af614326fb8ca9b', |
| '2b2bdc6df9e061b0bdf0ff61e9c508d963e3ac64', |
| '9f2cb479c8aa66c82a4ae9f6ca825aee5949382b', |
| 'c023e5b2474f8ff1c146240dd685237cd8490f89', |
| '24ce716cfddfef201027c1a5fa2299a8aeffb03e', |
| '1887f3f8e0d4ebff550dcc08319e338290edf339', |
| '0c72661d44978a4e9374a14e882bbb26a46c0ac5', |
| '5e7b2a0bb3e58cbe4771ae3b7965941f9f38b84e', |
| '64866862f623ceeb45fd8be4782e8db8b58910c0', |
| '4c7144a4a890b98ed812be8648ff16c917216e8b', |
| '294aa14e763f7e8a3729f15eef72f50f16b48e05', |
| 'ec11254157f69d5d9260e12f53f82a6569b5c1fa', |
| 'f5825a22a47969ce9fec303dbefee035eadb1acc', |
| 'a58324d980b1e1d6805eac3e4a7748ae5965a242', |
| '8f61855dede30a55e9e00c9cb0caa62829798cd1', |
| '7ac16a276391e26e448e50447f2bb4f3e8146c87', |
| '70870ee8d3b6280e2366f95f067e075f11c08f58', |
| 'ecf688eb21e8e7d6e21456a2d2fbede4c4ab5b94', |
| '5b1c84cec15ce15283fe67cb202f37d3f9a911be', |
| '35e8dae34234cf605ab622ae5c91ff0c3676da55', |
| '6e4a481bdf2793a05a2569693d3b88b200159217', |
| '9292bb3a66ea6377899df5a7fc17857fa364477c', |
| '9fa7f81be038464d2aabef4752d2f50ea60ce561', |
| 'aba16bc2db714ba438f5480fd328c14ca92c42db', |
| ]; |
| |
| static const _commitsPackages = [ |
| '8dcfd1186ef968be1398f80432f94bb0a36e6d9e', |
| 'c1f116788a9c0187ac566517eecaf31a49c2bbf7', |
| '99155a84f372cef1c5fc2d03c54d6980fb9df808', |
| 'b3a69599c7b8d2f97dc7f601df59b09f6a47a8ed', |
| '43de301d0901cac145b39a994fe3b58889e00b85', |
| 'ca60bd020f339b5538423b3e60463717a702ddc7', |
| '09ddfca4fe95c5aa90015ce4ecb31485eb7cf3d7', |
| '94b93d4cd52af75b3298c1966394759a9e611f61', |
| '071ed5b454e05b071ffb9113c33e7a423ca344b0', |
| '3c0cdab2bbb0e98e5e5871f5949e38f21cff6385', |
| 'b3280ae0d8ed70ec2e354e000354099b8abcc448', |
| 'afa1a1c3564e5be4795193600b1c2f0e58d80bee', |
| '2fbf78d1099c2ec04578c0db2737b81632f573da', |
| '90a2dc1245d7a3e370230bcd2f308a35da67851f', |
| '70049bdd9b88609b4485cc2cf71ccb60da57031c', |
| 'b2e421bc176c488730567e4edbdee6ed48d00473', |
| 'dd634a2186cfe9e5b57fca2c8cceae7b4fa41790', |
| '1802599d43eb93a1ada0dfb294d3f030bdacc2a2', |
| 'a9d36fb7b9021b6e980156097fa8c0f8392273f3', |
| '88afc6863149dfa1a26170a17789a1b711ddbe5a', |
| '0f2eeaecde3f34322f9e9980177d15beaeb2b871', |
| '409793bcb784b9464def8698557005fb8851a9e6', |
| '1ad1a084c057b6c0383f6cf0ba9df70d5d4b0fc6', |
| '392d771dac6e7956d30fe93ef2595df787f5a287', |
| 'ea9b53ba608a8aa6d0d243832fdcee37928e1614', |
| 'd809b4f2e1cb8381b0328234204c5423a0580999', |
| '91f7c339b29af157db001e487e14274487f41688', |
| '86543faf4d5634bdaf5d60661630ddf81ad0617f', |
| '02f231f376761cc04610e8c566b0ba759db0bda7', |
| '61b4096307bf8a20786716522a0f5ce55a577d82', |
| 'bba1da378c820040d57cf8cb01ca27c85728fe61', |
| '14cbff2f7383a1563aef4efd29d92f65d8ddef2a', |
| 'ecace66e92c2f9235e0d811b064d9f0e97f6175e', |
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| } |
