blob: dd3756e6629364042de8439e052fe6640ecea3cd [file] [log] [blame]
// Copyright 2015 The Chromium 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 'dart:convert' show json;
import 'dart:math' as math;
import 'package:args/args.dart';
import 'package:flutter_tools/src/base/common.dart';
import 'package:flutter_tools/src/base/context.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/base/io.dart';
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/cache.dart';
import 'package:flutter_tools/src/context_runner.dart';
import 'package:flutter_tools/src/dart/package_map.dart';
import 'package:flutter_tools/src/artifacts.dart';
import 'package:flutter_tools/src/disabled_usage.dart';
import 'package:flutter_tools/src/globals.dart';
import 'package:flutter_tools/src/test/coverage_collector.dart';
import 'package:flutter_tools/src/test/runner.dart';
import 'package:flutter_tools/src/usage.dart';
// This was largely inspired by lib/src/commands/test.dart.
const String _kOptionPackages = 'packages';
const String _kOptionShell = 'shell';
const String _kOptionTestDirectory = 'test-directory';
const String _kOptionSdkRoot = 'sdk-root';
const String _kOptionIcudtl = 'icudtl';
const String _kOptionTests = 'tests';
const String _kOptionCoverageDirectory = 'coverage-directory';
const List<String> _kRequiredOptions = <String>[
const String _kOptionCoverage = 'coverage';
const String _kOptionCoveragePath = 'coverage-path';
void main(List<String> args) {
runInContext<void>(() => run(args), overrides: <Type, Generator>{
Usage: () => DisabledUsage(),
Future<void> run(List<String> args) async {
final ArgParser parser = ArgParser()
..addOption(_kOptionPackages, help: 'The .packages file')
..addOption(_kOptionShell, help: 'The Flutter shell binary')
..addOption(_kOptionTestDirectory, help: 'Directory containing the tests')
..addOption(_kOptionSdkRoot, help: 'Path to the SDK platform files')
..addOption(_kOptionIcudtl, help: 'Path to the ICU data file')
..addOption(_kOptionTests, help: 'Path to json file that maps Dart test files to precompiled dill files')
..addOption(_kOptionCoverageDirectory, help: 'The path to the directory that will have coverage collected')
defaultsTo: false,
negatable: false,
help: 'Whether to collect coverage information.',
defaultsTo: 'coverage/',
help: 'Where to store coverage information (if coverage is enabled).',
final ArgResults argResults = parser.parse(args);
if (_kRequiredOptions
.any((String option) => !argResults.options.contains(option))) {
throwToolExit('Missing option! All options must be specified.');
final Directory tempDir =
try {
Cache.flutterRoot = tempDir.path;
final String shellPath = fs.file(argResults[_kOptionShell]).resolveSymbolicLinksSync();
if (!fs.isFileSync(shellPath)) {
throwToolExit('Cannot find Flutter shell at $shellPath');
final Directory sdkRootSrc =[_kOptionSdkRoot]);
if (!fs.isDirectorySync(sdkRootSrc.path)) {
throwToolExit('Cannot find SDK files at ${sdkRootSrc.path}');
Directory coverageDirectory;
final String coverageDirectoryPath = argResults[_kOptionCoverageDirectory];
if (coverageDirectoryPath != null) {
if (!fs.isDirectorySync(coverageDirectoryPath)) {
throwToolExit('Cannot find coverage directory at $coverageDirectoryPath');
coverageDirectory =;
// Put the tester shell where runTests expects it.
// TODO(garymm): Switch to a Fuchsia-specific Artifacts impl.
final Link testerDestLink =;
testerDestLink.parent.createSync(recursive: true);
final Link icudtlLink = testerDestLink.parent.childLink('icudtl.dat');
final Directory sdkRootDest =;
sdkRootDest.createSync(recursive: true);
for (FileSystemEntity artifact in sdkRootSrc.listSync()) {;
// TODO(tvolkert): Remove once flutter_tester no longer looks for this.'platform.dill').path).createSync('platform_strong.dill');
PackageMap.globalPackagesPath =
Directory testDirectory;
CoverageCollector collector;
if (argResults['coverage']) {
collector = CoverageCollector();
if (!argResults.options.contains(_kOptionTestDirectory)) {
throwToolExit('Use of --coverage requires setting --test-directory');
testDirectory =[_kOptionTestDirectory]);
final Map<String, String> tests = <String, String>{};
final List<Map<String, dynamic>> jsonList = List<Map<String, dynamic>>.from(
for (Map<String, dynamic> map in jsonList) {
final String source = fs.file(map['source']).resolveSymbolicLinksSync();
final String dill = fs.file(map['dill']).resolveSymbolicLinksSync();
tests[source] = dill;
exitCode = await runTests(
workDir: testDirectory,
watcher: collector,
ipv6: false,
enableObservatory: collector != null,
precompiledDillFiles: tests,
concurrency: math.max(1, platform.numberOfProcessors - 2),
if (collector != null) {
// collector expects currentDirectory to be the root of the dart
// package (i.e. contains lib/ and test/ sub-dirs). In some cases,
// test files may appear to be in the root directory.
if (coverageDirectory == null) {
fs.currentDirectory = testDirectory.parent;
} else {
fs.currentDirectory = testDirectory;
if (!await collector.collectCoverageData(argResults[_kOptionCoveragePath], coverageDirectory: coverageDirectory))
throwToolExit('Failed to collect coverage data');
} finally {
tempDir.deleteSync(recursive: true);
// TODO(ianh): There's apparently some sort of lost async task keeping the
// process open. Remove the next line once that's been resolved.