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3a1190a5a8
PR provides a new option to the `test` command to include coverage info of specified packages. It helps collecting coverage info in test setups where test code lives in separate packages or for multi-package projects. At present, only current package is included to the final report. Usage: Consider an app with two packages: `app`, `common`. Some of the tests in `app` use (indirectly) code that is located in `common`. When running with `--coverage` flag, that code is not included in the coverage report by default. To include `common` package in report, we can run: ```sh flutter test --coverage --coverage-package app --coverage-package common ``` Note that `--coverage-package` accepts regular expression. Fixes https://github.com/flutter/flutter/issues/79661 Fixes https://github.com/flutter/flutter/issues/101486 Fixes https://github.com/flutter/flutter/issues/93619
706 lines
23 KiB
Dart
706 lines
23 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:convert' show jsonEncode;
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import 'dart:io' show Directory, File;
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import 'package:coverage/src/hitmap.dart';
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import 'package:file/memory.dart';
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import 'package:flutter_tools/src/base/file_system.dart' show FileSystem;
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import 'package:flutter_tools/src/test/coverage_collector.dart';
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import 'package:flutter_tools/src/test/test_device.dart' show TestDevice;
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import 'package:flutter_tools/src/test/test_time_recorder.dart';
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import 'package:stream_channel/stream_channel.dart' show StreamChannel;
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import 'package:vm_service/vm_service.dart';
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import '../src/common.dart';
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import '../src/context.dart';
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import '../src/fake_vm_services.dart';
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import '../src/logging_logger.dart';
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void main() {
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testWithoutContext('Coverage collector Can handle coverage SentinelException', () async {
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final FakeVmServiceHost fakeVmServiceHost = FakeVmServiceHost(
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requests: <VmServiceExpectation>[
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FakeVmServiceRequest(
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method: 'getVM',
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jsonResponse: (VM.parse(<String, Object>{})!
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..isolates = <IsolateRef>[
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IsolateRef.parse(<String, Object>{
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'id': '1',
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})!,
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]
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).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getVersion',
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jsonResponse: Version(major: 3, minor: 51).toJson(),
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),
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const FakeVmServiceRequest(
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method: 'getScripts',
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args: <String, Object>{
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'isolateId': '1',
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},
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jsonResponse: <String, Object>{
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'type': 'Sentinel',
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},
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),
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],
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);
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final Map<String, Object?> result = await collect(
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Uri(),
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<String>{'foo'},
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serviceOverride: fakeVmServiceHost.vmService,
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);
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expect(result, <String, Object>{'type': 'CodeCoverage', 'coverage': <Object>[]});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector processes coverage and script data', () async {
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final FakeVmServiceHost fakeVmServiceHost = FakeVmServiceHost(
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requests: <VmServiceExpectation>[
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FakeVmServiceRequest(
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method: 'getVM',
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jsonResponse: (VM.parse(<String, Object>{})!
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..isolates = <IsolateRef>[
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IsolateRef.parse(<String, Object>{
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'id': '1',
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})!,
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]
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).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getVersion',
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jsonResponse: Version(major: 3, minor: 51).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getScripts',
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args: <String, Object>{
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'isolateId': '1',
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},
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jsonResponse: ScriptList(scripts: <ScriptRef>[
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ScriptRef(uri: 'package:foo/foo.dart', id: '1'),
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ScriptRef(uri: 'package:bar/bar.dart', id: '2'),
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]).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getSourceReport',
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args: <String, Object>{
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'isolateId': '1',
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'reports': <Object>['Coverage'],
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'scriptId': '1',
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'forceCompile': true,
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'reportLines': true,
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},
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jsonResponse: SourceReport(
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ranges: <SourceReportRange>[
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SourceReportRange(
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scriptIndex: 0,
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startPos: 0,
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endPos: 0,
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compiled: true,
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coverage: SourceReportCoverage(
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hits: <int>[1, 3],
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misses: <int>[2],
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),
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),
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],
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scripts: <ScriptRef>[
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ScriptRef(
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uri: 'package:foo/foo.dart',
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id: '1',
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),
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],
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).toJson(),
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),
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],
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);
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final Map<String, Object?> result = await collect(
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Uri(),
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<String>{'foo'},
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serviceOverride: fakeVmServiceHost.vmService,
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);
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expect(result, <String, Object>{
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'type': 'CodeCoverage',
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'coverage': <Object>[
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<String, Object>{
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'source': 'package:foo/foo.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Afoo%2Ffoo.dart',
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'uri': 'package:foo/foo.dart',
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'_kind': 'library',
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},
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'hits': <Object>[1, 1, 3, 1, 2, 0],
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},
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],
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});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector with null libraryNames accepts all libraries', () async {
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final FakeVmServiceHost fakeVmServiceHost = createFakeVmServiceHostWithFooAndBar();
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final Map<String, Object?> result = await collect(
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Uri(),
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null,
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serviceOverride: fakeVmServiceHost.vmService,
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);
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expect(result, <String, Object>{
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'type': 'CodeCoverage',
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'coverage': <Object>[
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<String, Object>{
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'source': 'package:foo/foo.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Afoo%2Ffoo.dart',
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'uri': 'package:foo/foo.dart',
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'_kind': 'library',
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},
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'hits': <Object>[1, 1, 3, 1, 2, 0],
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},
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<String, Object>{
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'source': 'package:bar/bar.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Abar%2Fbar.dart',
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'uri': 'package:bar/bar.dart',
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'_kind': 'library',
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},
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'hits': <Object>[47, 1, 21, 1, 32, 0, 86, 0],
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},
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],
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});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector with libraryFilters', () async {
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final FakeVmServiceHost fakeVmServiceHost = FakeVmServiceHost(
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requests: <VmServiceExpectation>[
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FakeVmServiceRequest(
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method: 'getVM',
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jsonResponse: (VM.parse(<String, Object>{})!
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..isolates = <IsolateRef>[
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IsolateRef.parse(<String, Object>{
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'id': '1',
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})!,
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]
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).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getVersion',
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jsonResponse: Version(major: 3, minor: 57).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getSourceReport',
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args: <String, Object>{
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'isolateId': '1',
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'reports': <Object>['Coverage'],
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'forceCompile': true,
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'reportLines': true,
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'libraryFilters': <Object>['package:foo/'],
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},
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jsonResponse: SourceReport(
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ranges: <SourceReportRange>[
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SourceReportRange(
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scriptIndex: 0,
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startPos: 0,
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endPos: 0,
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compiled: true,
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coverage: SourceReportCoverage(
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hits: <int>[1, 3],
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misses: <int>[2],
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),
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),
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],
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scripts: <ScriptRef>[
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ScriptRef(
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uri: 'package:foo/foo.dart',
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id: '1',
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),
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],
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).toJson(),
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),
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],
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);
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final Map<String, Object?> result = await collect(
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Uri(),
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<String>{'foo'},
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serviceOverride: fakeVmServiceHost.vmService,
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);
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expect(result, <String, Object>{
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'type': 'CodeCoverage',
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'coverage': <Object>[
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<String, Object>{
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'source': 'package:foo/foo.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Afoo%2Ffoo.dart',
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'uri': 'package:foo/foo.dart',
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'_kind': 'library',
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},
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'hits': <Object>[1, 1, 3, 1, 2, 0],
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},
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],
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});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector with libraryFilters and null libraryNames', () async {
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final FakeVmServiceHost fakeVmServiceHost = FakeVmServiceHost(
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requests: <VmServiceExpectation>[
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FakeVmServiceRequest(
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method: 'getVM',
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jsonResponse: (VM.parse(<String, Object>{})!
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..isolates = <IsolateRef>[
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IsolateRef.parse(<String, Object>{
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'id': '1',
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})!,
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]
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).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getVersion',
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jsonResponse: Version(major: 3, minor: 57).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getSourceReport',
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args: <String, Object>{
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'isolateId': '1',
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'reports': <Object>['Coverage'],
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'forceCompile': true,
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'reportLines': true,
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},
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jsonResponse: SourceReport(
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ranges: <SourceReportRange>[
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SourceReportRange(
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scriptIndex: 0,
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startPos: 0,
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endPos: 0,
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compiled: true,
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coverage: SourceReportCoverage(
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hits: <int>[1, 3],
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misses: <int>[2],
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),
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),
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],
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scripts: <ScriptRef>[
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ScriptRef(
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uri: 'package:foo/foo.dart',
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id: '1',
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),
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],
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).toJson(),
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),
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],
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);
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final Map<String, Object?> result = await collect(
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Uri(),
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null,
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serviceOverride: fakeVmServiceHost.vmService,
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);
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expect(result, <String, Object>{
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'type': 'CodeCoverage',
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'coverage': <Object>[
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<String, Object>{
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'source': 'package:foo/foo.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Afoo%2Ffoo.dart',
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'uri': 'package:foo/foo.dart',
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'_kind': 'library',
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},
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'hits': <Object>[1, 1, 3, 1, 2, 0],
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},
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],
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});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector with branch coverage', () async {
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final FakeVmServiceHost fakeVmServiceHost = FakeVmServiceHost(
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requests: <VmServiceExpectation>[
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FakeVmServiceRequest(
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method: 'getVM',
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jsonResponse: (VM.parse(<String, Object>{})!
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..isolates = <IsolateRef>[
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IsolateRef.parse(<String, Object>{
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'id': '1',
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})!,
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]
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).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getVersion',
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jsonResponse: Version(major: 3, minor: 56).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getScripts',
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args: <String, Object>{
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'isolateId': '1',
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},
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jsonResponse: ScriptList(scripts: <ScriptRef>[
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ScriptRef(uri: 'package:foo/foo.dart', id: '1'),
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ScriptRef(uri: 'package:bar/bar.dart', id: '2'),
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]).toJson(),
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),
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FakeVmServiceRequest(
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method: 'getSourceReport',
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args: <String, Object>{
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'isolateId': '1',
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'reports': <Object>['Coverage', 'BranchCoverage'],
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'scriptId': '1',
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'forceCompile': true,
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'reportLines': true,
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},
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jsonResponse: SourceReport(
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ranges: <SourceReportRange>[
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SourceReportRange(
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scriptIndex: 0,
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startPos: 0,
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endPos: 0,
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compiled: true,
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coverage: SourceReportCoverage(
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hits: <int>[1, 3],
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misses: <int>[2],
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),
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branchCoverage: SourceReportCoverage(
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hits: <int>[4, 6],
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misses: <int>[5],
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),
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),
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],
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scripts: <ScriptRef>[
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ScriptRef(
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uri: 'package:foo/foo.dart',
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id: '1',
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),
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],
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).toJson(),
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),
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],
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);
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final Map<String, Object?> result = await collect(
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Uri(),
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<String>{'foo'},
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serviceOverride: fakeVmServiceHost.vmService,
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branchCoverage: true,
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);
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expect(result, <String, Object>{
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'type': 'CodeCoverage',
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'coverage': <Object>[
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<String, Object>{
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'source': 'package:foo/foo.dart',
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'script': <String, Object>{
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'type': '@Script',
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'fixedId': true,
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'id': 'libraries/1/scripts/package%3Afoo%2Ffoo.dart',
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'uri': 'package:foo/foo.dart',
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'_kind': 'library',
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},
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'hits': <Object>[1, 1, 3, 1, 2, 0],
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'branchHits': <Object>[4, 1, 6, 1, 5, 0],
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},
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],
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});
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expect(fakeVmServiceHost.hasRemainingExpectations, false);
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});
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testWithoutContext('Coverage collector caches read files', () async {
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Directory? tempDir;
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try {
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tempDir = Directory.systemTemp.createTempSync('flutter_coverage_collector_test.');
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final File packagesFile = writeFooBarPackagesJson(tempDir);
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final Directory fooDir = Directory('${tempDir.path}/foo/');
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fooDir.createSync();
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final File fooFile = File('${fooDir.path}/foo.dart');
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fooFile.writeAsStringSync('hit\nnohit but ignored // coverage:ignore-line\nhit\n');
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final String packagesPath = packagesFile.path;
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final CoverageCollector collector = CoverageCollector(
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libraryNames: <String>{'foo', 'bar'},
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verbose: false,
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packagesPath: packagesPath,
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resolver: await CoverageCollector.getResolver(packagesPath)
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);
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await collector.collectCoverage(
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TestTestDevice(),
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serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/', 'package:bar/']).vmService,
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);
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Future<void> getHitMapAndVerify() async {
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final Map<String, HitMap> gottenHitmap = <String, HitMap>{};
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await collector.finalizeCoverage(formatter: (Map<String, HitMap> hitmap) {
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gottenHitmap.addAll(hitmap);
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return '';
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});
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expect(gottenHitmap.keys.toList()..sort(), <String>['package:bar/bar.dart', 'package:foo/foo.dart']);
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expect(gottenHitmap['package:foo/foo.dart']!.lineHits, <int, int>{1: 1, /* 2: 0, is ignored in file */ 3: 1});
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expect(gottenHitmap['package:bar/bar.dart']!.lineHits, <int, int>{21: 1, 32: 0, 47: 1, 86: 0});
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}
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Future<void> verifyHitmapEmpty() async {
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final Map<String, HitMap> gottenHitmap = <String, HitMap>{};
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await collector.finalizeCoverage(formatter: (Map<String, HitMap> hitmap) {
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gottenHitmap.addAll(hitmap);
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return '';
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});
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expect(gottenHitmap.isEmpty, isTrue);
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}
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// Get hit map the first time.
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await getHitMapAndVerify();
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// Getting the hitmap clears it so we now doesn't get any data.
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await verifyHitmapEmpty();
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// Collecting again gets us the same data even though the foo file has been deleted.
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// This means that the fact that line 2 was ignored has been cached.
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fooFile.deleteSync();
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await collector.collectCoverage(
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TestTestDevice(),
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serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/', 'package:bar/']).vmService,
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);
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await getHitMapAndVerify();
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} finally {
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tempDir?.deleteSync(recursive: true);
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}
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});
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testWithoutContext('Coverage collector respects ignore whole file', () async {
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Directory? tempDir;
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try {
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tempDir = Directory.systemTemp.createTempSync('flutter_coverage_collector_test.');
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final File packagesFile = writeFooBarPackagesJson(tempDir);
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final Directory fooDir = Directory('${tempDir.path}/foo/');
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fooDir.createSync();
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final File fooFile = File('${fooDir.path}/foo.dart');
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fooFile.writeAsStringSync('hit\nnohit but ignored // coverage:ignore-file\nhit\n');
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final String packagesPath = packagesFile.path;
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final CoverageCollector collector = CoverageCollector(
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libraryNames: <String>{'foo', 'bar'},
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verbose: false,
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packagesPath: packagesPath,
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resolver: await CoverageCollector.getResolver(packagesPath)
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);
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await collector.collectCoverage(
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TestTestDevice(),
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serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/', 'package:bar/']).vmService,
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);
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final Map<String, HitMap> gottenHitmap = <String, HitMap>{};
|
|
await collector.finalizeCoverage(formatter: (Map<String, HitMap> hitmap) {
|
|
gottenHitmap.addAll(hitmap);
|
|
return '';
|
|
});
|
|
expect(gottenHitmap.keys.toList()..sort(), <String>['package:bar/bar.dart']);
|
|
expect(gottenHitmap['package:bar/bar.dart']!.lineHits, <int, int>{21: 1, 32: 0, 47: 1, 86: 0});
|
|
} finally {
|
|
tempDir?.deleteSync(recursive: true);
|
|
}
|
|
});
|
|
|
|
testUsingContext('Coverage collector respects libraryNames in finalized report', () async {
|
|
Directory? tempDir;
|
|
try {
|
|
tempDir = Directory.systemTemp.createTempSync('flutter_coverage_collector_test.');
|
|
final File packagesFile = writeFooBarPackagesJson(tempDir);
|
|
File('${tempDir.path}/foo/foo.dart').createSync(recursive: true);
|
|
File('${tempDir.path}/bar/bar.dart').createSync(recursive: true);
|
|
|
|
final String packagesPath = packagesFile.path;
|
|
CoverageCollector collector = CoverageCollector(
|
|
libraryNames: <String>{'foo', 'bar'},
|
|
verbose: false,
|
|
packagesPath: packagesPath,
|
|
resolver: await CoverageCollector.getResolver(packagesPath)
|
|
);
|
|
await collector.collectCoverage(
|
|
TestTestDevice(),
|
|
serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/', 'package:bar/']).vmService,
|
|
);
|
|
|
|
String? report = await collector.finalizeCoverage();
|
|
expect(report, contains('foo.dart'));
|
|
expect(report, contains('bar.dart'));
|
|
|
|
collector = CoverageCollector(
|
|
libraryNames: <String>{'foo'},
|
|
verbose: false,
|
|
packagesPath: packagesPath,
|
|
resolver: await CoverageCollector.getResolver(packagesPath)
|
|
);
|
|
await collector.collectCoverage(
|
|
TestTestDevice(),
|
|
serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/']).vmService,
|
|
);
|
|
|
|
report = await collector.finalizeCoverage();
|
|
expect(report, contains('foo.dart'));
|
|
expect(report, isNot(contains('bar.dart')));
|
|
} finally {
|
|
tempDir?.deleteSync(recursive: true);
|
|
}
|
|
}, overrides: <Type, Generator>{
|
|
FileSystem: () => MemoryFileSystem.test(),
|
|
ProcessManager: () => FakeProcessManager.any(),
|
|
});
|
|
|
|
testWithoutContext('Coverage collector records test timings when provided TestTimeRecorder', () async {
|
|
Directory? tempDir;
|
|
try {
|
|
tempDir = Directory.systemTemp.createTempSync('flutter_coverage_collector_test.');
|
|
final File packagesFile = writeFooBarPackagesJson(tempDir);
|
|
final Directory fooDir = Directory('${tempDir.path}/foo/');
|
|
fooDir.createSync();
|
|
final File fooFile = File('${fooDir.path}/foo.dart');
|
|
fooFile.writeAsStringSync('hit\nnohit but ignored // coverage:ignore-line\nhit\n');
|
|
|
|
final String packagesPath = packagesFile.path;
|
|
final LoggingLogger logger = LoggingLogger();
|
|
final TestTimeRecorder testTimeRecorder = TestTimeRecorder(logger);
|
|
final CoverageCollector collector = CoverageCollector(
|
|
libraryNames: <String>{'foo', 'bar'},
|
|
verbose: false,
|
|
packagesPath: packagesPath,
|
|
resolver: await CoverageCollector.getResolver(packagesPath),
|
|
testTimeRecorder: testTimeRecorder
|
|
);
|
|
await collector.collectCoverage(
|
|
TestTestDevice(),
|
|
serviceOverride: createFakeVmServiceHostWithFooAndBar(libraryFilters: <String>['package:foo/', 'package:bar/']).vmService,
|
|
);
|
|
|
|
// Expect one message for each phase.
|
|
final List<String> logPhaseMessages = testTimeRecorder.getPrintAsListForTesting().where((String m) => m.startsWith('Runtime for phase ')).toList();
|
|
expect(logPhaseMessages, hasLength(TestTimePhases.values.length));
|
|
|
|
// Several phases actually does something, but here we just expect at
|
|
// least one phase to take a non-zero amount of time.
|
|
final List<String> logPhaseMessagesNonZero = logPhaseMessages.where((String m) => !m.contains(Duration.zero.toString())).toList();
|
|
expect(logPhaseMessagesNonZero, isNotEmpty);
|
|
} finally {
|
|
tempDir?.deleteSync(recursive: true);
|
|
}
|
|
});
|
|
}
|
|
|
|
File writeFooBarPackagesJson(Directory tempDir) {
|
|
final File file = File('${tempDir.path}/packages.json');
|
|
file.writeAsStringSync(jsonEncode(<String, dynamic>{
|
|
'configVersion': 2,
|
|
'packages': <Map<String, String>>[
|
|
<String, String>{
|
|
'name': 'foo',
|
|
'rootUri': 'foo',
|
|
},
|
|
<String, String>{
|
|
'name': 'bar',
|
|
'rootUri': 'bar',
|
|
},
|
|
],
|
|
}));
|
|
return file;
|
|
}
|
|
|
|
FakeVmServiceHost createFakeVmServiceHostWithFooAndBar({
|
|
List<String>? libraryFilters,
|
|
}) {
|
|
return FakeVmServiceHost(
|
|
requests: <VmServiceExpectation>[
|
|
FakeVmServiceRequest(
|
|
method: 'getVM',
|
|
jsonResponse: (VM.parse(<String, Object>{})!
|
|
..isolates = <IsolateRef>[
|
|
IsolateRef.parse(<String, Object>{
|
|
'id': '1',
|
|
})!,
|
|
]
|
|
).toJson(),
|
|
),
|
|
FakeVmServiceRequest(
|
|
method: 'getVersion',
|
|
jsonResponse: Version(major: 3, minor: 61).toJson(),
|
|
),
|
|
FakeVmServiceRequest(
|
|
method: 'getSourceReport',
|
|
args: <String, Object>{
|
|
'isolateId': '1',
|
|
'reports': <Object>['Coverage'],
|
|
'forceCompile': true,
|
|
'reportLines': true,
|
|
if (libraryFilters != null) 'libraryFilters': libraryFilters,
|
|
},
|
|
jsonResponse: SourceReport(
|
|
ranges: <SourceReportRange>[
|
|
SourceReportRange(
|
|
scriptIndex: 0,
|
|
startPos: 0,
|
|
endPos: 0,
|
|
compiled: true,
|
|
coverage: SourceReportCoverage(
|
|
hits: <int>[1, 3],
|
|
misses: <int>[2],
|
|
),
|
|
),
|
|
SourceReportRange(
|
|
scriptIndex: 1,
|
|
startPos: 0,
|
|
endPos: 0,
|
|
compiled: true,
|
|
coverage: SourceReportCoverage(
|
|
hits: <int>[47, 21],
|
|
misses: <int>[32, 86],
|
|
),
|
|
),
|
|
],
|
|
scripts: <ScriptRef>[
|
|
ScriptRef(
|
|
uri: 'package:foo/foo.dart',
|
|
id: '1',
|
|
),
|
|
ScriptRef(
|
|
uri: 'package:bar/bar.dart',
|
|
id: '2',
|
|
),
|
|
],
|
|
).toJson(),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
class TestTestDevice extends TestDevice {
|
|
@override
|
|
Future<void> get finished => Future<void>.delayed(const Duration(seconds: 1));
|
|
|
|
@override
|
|
Future<void> kill() => Future<void>.value();
|
|
|
|
@override
|
|
Future<Uri?> get vmServiceUri => Future<Uri?>.value(Uri());
|
|
|
|
@override
|
|
Future<StreamChannel<String>> start(String entrypointPath) {
|
|
throw UnimplementedError();
|
|
}
|
|
}
|