mirror of
https://github.com/flutter/flutter
synced 2024-10-13 19:52:53 +00:00
273 lines
11 KiB
Dart
273 lines
11 KiB
Dart
// Copyright 2015 The Chromium 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:async';
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import 'dart:io' as io;
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import 'package:flutter_tools/src/base/file_system.dart';
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import 'package:flutter_tools/src/base/io.dart';
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import 'package:flutter_tools/src/cache.dart';
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import 'package:flutter_tools/src/dart/sdk.dart';
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import '../../src/common.dart';
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import '../../src/context.dart';
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// This test depends on some files in ///dev/automated_tests/flutter_test/*
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Future<void> _testExclusionLock;
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void main() {
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group('flutter test should', () {
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final String automatedTestsDirectory = fs.path.join('..', '..', 'dev', 'automated_tests');
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final String flutterTestDirectory = fs.path.join(automatedTestsDirectory, 'flutter_test');
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testUsingContext('not have extraneous error messages', () async {
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Cache.flutterRoot = '../..';
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return _testFile('trivial_widget', automatedTestsDirectory, flutterTestDirectory, exitCode: isZero);
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}, skip: io.Platform.isLinux); // Flutter on Linux sometimes has problems with font resolution (#7224)
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testUsingContext('report nice errors for exceptions thrown within testWidgets()', () async {
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Cache.flutterRoot = '../..';
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return _testFile('exception_handling', automatedTestsDirectory, flutterTestDirectory);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report a nice error when a guarded function was called without await', () async {
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Cache.flutterRoot = '../..';
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return _testFile('test_async_utils_guarded', automatedTestsDirectory, flutterTestDirectory);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report a nice error when an async function was called without await', () async {
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Cache.flutterRoot = '../..';
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return _testFile('test_async_utils_unguarded', automatedTestsDirectory, flutterTestDirectory);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report a nice error when a Ticker is left running', () async {
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Cache.flutterRoot = '../..';
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return _testFile('ticker', automatedTestsDirectory, flutterTestDirectory);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report a nice error when a pubspec.yaml is missing a flutter_test dependency', () async {
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final String missingDependencyTests = fs.path.join('..', '..', 'dev', 'missing_dependency_tests');
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Cache.flutterRoot = '../..';
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return _testFile('trivial', missingDependencyTests, missingDependencyTests);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report which user created widget caused the error', () async {
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Cache.flutterRoot = '../..';
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return _testFile('print_user_created_ancestor', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--track-widget-creation']);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report which user created widget caused the error - no flag', () async {
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Cache.flutterRoot = '../..';
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return _testFile('print_user_created_ancestor_no_flag', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--no-track-widget-creation']);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('report correct created widget caused the error', () async {
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Cache.flutterRoot = '../..';
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return _testFile('print_correct_local_widget', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--track-widget-creation']);
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}, skip: io.Platform.isWindows); // TODO(chunhtai): Remove Skip https://github.com/flutter/flutter/issues/35425.
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testUsingContext('can load assets within its own package', () async {
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Cache.flutterRoot = '../..';
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return _testFile('package_assets', automatedTestsDirectory, flutterTestDirectory, exitCode: isZero);
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}, skip: io.Platform.isWindows);
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testUsingContext('run a test when its name matches a regexp', () async {
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Cache.flutterRoot = '../..';
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final ProcessResult result = await _runFlutterTest('filtering', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--name', 'inc.*de']);
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if (!result.stdout.contains('+1: All tests passed')) {
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fail('unexpected output from test:\n\n${result.stdout}\n-- end stdout --\n\n');
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}
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expect(result.exitCode, 0);
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});
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testUsingContext('run a test when its name contains a string', () async {
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Cache.flutterRoot = '../..';
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final ProcessResult result = await _runFlutterTest('filtering', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--plain-name', 'include']);
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if (!result.stdout.contains('+1: All tests passed')) {
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fail('unexpected output from test:\n\n${result.stdout}\n-- end stdout --\n\n');
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}
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expect(result.exitCode, 0);
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});
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testUsingContext('test runs to completion', () async {
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Cache.flutterRoot = '../..';
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final ProcessResult result = await _runFlutterTest('trivial', automatedTestsDirectory, flutterTestDirectory,
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extraArguments: const <String>['--verbose']);
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if ((!result.stdout.contains('+1: All tests passed')) ||
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(!result.stdout.contains('test 0: starting shell process')) ||
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(!result.stdout.contains('test 0: deleting temporary directory')) ||
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(!result.stdout.contains('test 0: finished')) ||
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(!result.stdout.contains('test package returned with exit code 0'))) {
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fail('unexpected output from test:\n\n${result.stdout}\n-- end stdout --\n\n');
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}
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if (result.stderr.isNotEmpty) {
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fail('unexpected error output from test:\n\n${result.stderr}\n-- end stderr --\n\n');
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}
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expect(result.exitCode, 0);
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});
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testUsingContext('run all tests inside of a directory with no trailing slash', () async {
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Cache.flutterRoot = '../..';
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final ProcessResult result = await _runFlutterTest(null, automatedTestsDirectory, flutterTestDirectory + '/child_directory',
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extraArguments: const <String>['--verbose']);
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if ((!result.stdout.contains('+2: All tests passed')) ||
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(!result.stdout.contains('test 0: starting shell process')) ||
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(!result.stdout.contains('test 0: deleting temporary directory')) ||
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(!result.stdout.contains('test 0: finished')) ||
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(!result.stdout.contains('test package returned with exit code 0'))) {
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fail('unexpected output from test:\n\n${result.stdout}\n-- end stdout --\n\n');
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}
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if (result.stderr.isNotEmpty) {
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fail('unexpected error output from test:\n\n${result.stderr}\n-- end stderr --\n\n');
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}
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expect(result.exitCode, 0);
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});
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});
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}
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Future<void> _testFile(
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String testName,
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String workingDirectory,
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String testDirectory, {
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Matcher exitCode,
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List<String> extraArguments = const <String>[],
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}) async {
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exitCode ??= isNonZero;
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final String fullTestExpectation = fs.path.join(testDirectory, '${testName}_expectation.txt');
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final File expectationFile = fs.file(fullTestExpectation);
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if (!expectationFile.existsSync()) {
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fail('missing expectation file: $expectationFile');
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}
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while (_testExclusionLock != null) {
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await _testExclusionLock;
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}
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final ProcessResult exec = await _runFlutterTest(
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testName,
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workingDirectory,
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testDirectory,
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extraArguments: extraArguments,
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);
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expect(exec.exitCode, exitCode);
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final List<String> output = exec.stdout.split('\n');
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if (output.first == 'Waiting for another flutter command to release the startup lock...') {
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output.removeAt(0);
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}
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if (output.first.startsWith('Running "flutter pub get" in')) {
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output.removeAt(0);
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}
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output.add('<<stderr>>');
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output.addAll(exec.stderr.split('\n'));
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final List<String> expectations = fs.file(fullTestExpectation).readAsLinesSync();
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bool allowSkip = false;
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int expectationLineNumber = 0;
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int outputLineNumber = 0;
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bool haveSeenStdErrMarker = false;
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while (expectationLineNumber < expectations.length) {
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expect(
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output,
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hasLength(greaterThan(outputLineNumber)),
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reason: 'Failure in $testName to compare to $fullTestExpectation',
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);
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final String expectationLine = expectations[expectationLineNumber];
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String outputLine = output[outputLineNumber];
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if (expectationLine == '<<skip until matching line>>') {
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allowSkip = true;
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expectationLineNumber += 1;
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continue;
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}
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if (allowSkip) {
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if (!RegExp(expectationLine).hasMatch(outputLine)) {
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outputLineNumber += 1;
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continue;
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}
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allowSkip = false;
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}
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if (expectationLine == '<<stderr>>') {
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expect(haveSeenStdErrMarker, isFalse);
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haveSeenStdErrMarker = true;
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}
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if (!RegExp(expectationLine).hasMatch(outputLine) && outputLineNumber + 1 < output.length) {
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// Check if the RegExp can match the next two lines in the output so
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// that it is possible to write expectations that still hold even if a
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// line is wrapped slightly differently due to for example a file name
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// being longer on one platform than another.
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final String mergedLines = '$outputLine\n${output[outputLineNumber+1]}';
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if (RegExp(expectationLine).hasMatch(mergedLines)) {
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outputLineNumber += 1;
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outputLine = mergedLines;
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}
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}
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expect(outputLine, matches(expectationLine), reason: 'Full output:\n- - - -----8<----- - - -\n${output.join("\n")}\n- - - -----8<----- - - -');
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expectationLineNumber += 1;
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outputLineNumber += 1;
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}
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expect(allowSkip, isFalse);
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if (!haveSeenStdErrMarker) {
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expect(exec.stderr, '');
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}
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}
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Future<ProcessResult> _runFlutterTest(
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String testName,
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String workingDirectory,
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String testDirectory, {
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List<String> extraArguments = const <String>[],
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}) async {
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String testPath;
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if (testName == null) {
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// Test everything in the directory.
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testPath = testDirectory;
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final Directory directoryToTest = fs.directory(testPath);
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if (!directoryToTest.existsSync()) {
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fail('missing test directory: $directoryToTest');
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}
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} else {
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// Test just a specific test file.
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testPath = fs.path.join(testDirectory, '${testName}_test.dart');
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final File testFile = fs.file(testPath);
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if (!testFile.existsSync()) {
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fail('missing test file: $testFile');
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}
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}
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final List<String> args = <String>[
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...dartVmFlags,
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fs.path.absolute(fs.path.join('bin', 'flutter_tools.dart')),
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'test',
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'--no-color',
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...extraArguments,
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testPath,
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];
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while (_testExclusionLock != null) {
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await _testExclusionLock;
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}
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final Completer<void> testExclusionCompleter = Completer<void>();
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_testExclusionLock = testExclusionCompleter.future;
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try {
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return await Process.run(
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fs.path.join(dartSdkPath, 'bin', 'dart'),
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args,
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workingDirectory: workingDirectory,
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);
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} finally {
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_testExclusionLock = null;
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testExclusionCompleter.complete();
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}
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}
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