packages/flutter_tools/test/general.shard/coverage_collector_test.dart

// Copyright 2014 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:async';

import 'package:flutter_tools/src/base/io.dart';
import 'package:flutter_tools/src/test/coverage_collector.dart';
import 'package:flutter_tools/src/vmservice.dart';
import 'package:mockito/mockito.dart';
import 'package:vm_service/vm_service.dart' as vm_service;

import '../src/common.dart';

void main() {
  MockVMService mockVMService;

  setUp(() {
    mockVMService = MockVMService();
  });

  test('Coverage collector Can handle coverage sentinenl data', () async {
    when(mockVMService.getScripts(any))
      .thenThrow(vm_service.SentinelException.parse('getScripts', <String, Object>{}));
    final Map<String, Object> result = await collect(null, (String predicate) => true, connector: (Uri uri) async {
      return mockVMService;
    });

    expect(result, <String, Object>{'type': 'CodeCoverage', 'coverage': <Object>[]});
  });
}

class MockVMService extends Mock implements VMService {
  @override
  final MockVM vm = MockVM();
}

class MockVM extends Mock implements VM {
  @override
  final List<MockIsolate> isolates = <MockIsolate>[ MockIsolate() ];
}

class MockIsolate extends Mock implements Isolate {}

class MockProcess extends Mock implements Process {
  final Completer<int>completer = Completer<int>();

  @override
  Future<int> get exitCode => completer.future;
}