2016-08-26 02:37:48 +00:00
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// Copyright 2016 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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2017-09-06 09:53:39 +00:00
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import 'dart:convert';
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import 'dart:io' show IOSink;
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2016-08-26 02:37:48 +00:00
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import 'package:args/command_runner.dart';
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import 'package:flutter_tools/src/base/file_system.dart' hide IOSink;
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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/commands/packages.dart';
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import 'package:process/process.dart';
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import 'package:test/test.dart';
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2017-05-12 17:44:52 +00:00
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import '../src/common.dart';
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import '../src/context.dart';
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void main() {
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Cache.disableLocking();
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group('packages get/upgrade', () {
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Directory temp;
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setUp(() {
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temp = fs.systemTempDirectory.createTempSync('flutter_tools');
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});
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tearDown(() {
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temp.deleteSync(recursive: true);
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});
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Future<String> runCommand(String verb, { List<String> args }) async {
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final String projectPath = await createProject(temp);
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final PackagesCommand command = new PackagesCommand();
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final CommandRunner<Null> runner = createTestCommandRunner(command);
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final List<String> commandArgs = <String>['packages', verb];
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if (args != null)
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commandArgs.addAll(args);
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commandArgs.add(projectPath);
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await runner.run(commandArgs);
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return projectPath;
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}
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void expectExists(String projectPath, String relPath) {
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expect(fs.isFileSync(fs.path.join(projectPath, relPath)), true);
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}
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// Verify that we create a project that is well-formed.
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testUsingContext('get', () async {
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final String projectPath = await runCommand('get');
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expectExists(projectPath, 'lib/main.dart');
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expectExists(projectPath, '.packages');
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});
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testUsingContext('get --offline', () async {
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final String projectPath = await runCommand('get', args: <String>['--offline']);
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expectExists(projectPath, 'lib/main.dart');
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expectExists(projectPath, '.packages');
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});
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testUsingContext('upgrade', () async {
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final String projectPath = await runCommand('upgrade');
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expectExists(projectPath, 'lib/main.dart');
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expectExists(projectPath, '.packages');
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});
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});
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group('packages test/pub', () {
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MockProcessManager mockProcessManager;
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MockStdio mockStdio;
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setUp(() {
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mockProcessManager = new MockProcessManager();
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mockStdio = new MockStdio();
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});
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testUsingContext('test', () async {
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await createTestCommandRunner(new PackagesCommand()).run(<String>['packages', 'test']);
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final List<String> commands = mockProcessManager.commands;
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expect(commands, hasLength(3));
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expect(commands[0], matches(r'dart-sdk[\\/]bin[\\/]pub'));
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expect(commands[1], 'run');
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expect(commands[2], 'test');
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}, overrides: <Type, Generator>{
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ProcessManager: () => mockProcessManager,
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Stdio: () => mockStdio,
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});
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testUsingContext('run', () async {
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await createTestCommandRunner(new PackagesCommand()).run(<String>['packages', '--verbose', 'pub', 'run', '--foo', 'bar']);
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final List<String> commands = mockProcessManager.commands;
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expect(commands, hasLength(4));
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expect(commands[0], matches(r'dart-sdk[\\/]bin[\\/]pub'));
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expect(commands[1], 'run');
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expect(commands[2], '--foo');
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expect(commands[3], 'bar');
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}, overrides: <Type, Generator>{
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ProcessManager: () => mockProcessManager,
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Stdio: () => mockStdio,
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});
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testUsingContext('publish', () async {
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final PromptingProcess process = new PromptingProcess();
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mockProcessManager.processFactory = (List<String> commands) => process;
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final Future<Null> runPackages = createTestCommandRunner(new PackagesCommand()).run(<String>['packages', 'pub', 'publish']);
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final Future<Null> runPrompt = process.showPrompt('Proceed (y/n)? ', <String>['hello', 'world']);
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final Future<Null> simulateUserInput = new Future<Null>(() {
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mockStdio.simulateStdin('y');
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});
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await Future.wait(<Future<Null>>[runPackages, runPrompt, simulateUserInput]);
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final List<String> commands = mockProcessManager.commands;
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expect(commands, hasLength(2));
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expect(commands[0], matches(r'dart-sdk[\\/]bin[\\/]pub'));
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expect(commands[1], 'publish');
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final List<String> stdout = mockStdio.writtenToStdout;
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expect(stdout, hasLength(4));
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expect(stdout.sublist(0, 2), contains('Proceed (y/n)? '));
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expect(stdout.sublist(0, 2), contains('y\n'));
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expect(stdout[2], 'hello\n');
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expect(stdout[3], 'world\n');
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}, overrides: <Type, Generator>{
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ProcessManager: () => mockProcessManager,
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Stdio: () => mockStdio,
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});
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});
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}
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/// A strategy for creating Process objects from a list of commands.
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typedef Process ProcessFactory(List<String> command);
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/// A ProcessManager that starts Processes by delegating to a ProcessFactory.
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class MockProcessManager implements ProcessManager {
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ProcessFactory processFactory = (List<String> commands) => new MockProcess();
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List<String> commands;
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@override
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Future<Process> start(
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List<dynamic> command, {
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String workingDirectory,
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Map<String, String> environment,
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bool includeParentEnvironment: true,
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bool runInShell: false,
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ProcessStartMode mode: ProcessStartMode.NORMAL,
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}) {
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commands = command;
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return new Future<Process>.value(processFactory(command));
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}
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@override
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dynamic noSuchMethod(Invocation invocation) => null;
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}
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/// A process that prompts the user to proceed, then asynchronously writes
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/// some lines to stdout before it exits.
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class PromptingProcess implements Process {
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Future<Null> showPrompt(String prompt, List<String> outputLines) async {
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_stdoutController.add(UTF8.encode(prompt));
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final List<int> bytesOnStdin = await _stdin.future;
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// Echo stdin to stdout.
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_stdoutController.add(bytesOnStdin);
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if (bytesOnStdin[0] == UTF8.encode('y')[0]) {
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for (final String line in outputLines)
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_stdoutController.add(UTF8.encode('$line\n'));
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}
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await _stdoutController.close();
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}
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final StreamController<List<int>> _stdoutController = new StreamController<List<int>>();
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final CompleterIOSink _stdin = new CompleterIOSink();
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@override
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Stream<List<int>> get stdout => _stdoutController.stream;
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@override
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Stream<List<int>> get stderr => const Stream<List<int>>.empty();
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@override
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IOSink get stdin => _stdin;
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@override
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Future<int> get exitCode async {
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await _stdoutController.done;
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return 0;
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}
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@override
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dynamic noSuchMethod(Invocation invocation) => null;
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}
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/// An inactive process that collects stdin and produces no output.
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class MockProcess implements Process {
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final IOSink _stdin = new MemoryIOSink();
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@override
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Stream<List<int>> get stdout => const Stream<List<int>>.empty();
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@override
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Stream<List<int>> get stderr => const Stream<List<int>>.empty();
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@override
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IOSink get stdin => _stdin;
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@override
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Future<int> get exitCode => new Future<int>.value(0);
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@override
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dynamic noSuchMethod(Invocation invocation) => null;
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}
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/// An IOSink that completes a future with the first line written to it.
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class CompleterIOSink extends MemoryIOSink {
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final Completer<List<int>> _completer = new Completer<List<int>>();
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Future<List<int>> get future => _completer.future;
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@override
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void add(List<int> data) {
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if (!_completer.isCompleted)
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_completer.complete(data);
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super.add(data);
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}
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}
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/// A Stdio that collects stdout and supports simulated stdin.
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class MockStdio extends Stdio {
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final MemoryIOSink _stdout = new MemoryIOSink();
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final StreamController<List<int>> _stdin = new StreamController<List<int>>();
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@override
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IOSink get stdout => _stdout;
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@override
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Stream<List<int>> get stdin => _stdin.stream;
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void simulateStdin(String line) {
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_stdin.add(UTF8.encode('$line\n'));
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}
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List<String> get writtenToStdout => _stdout.writes.map(_stdout.encoding.decode).toList();
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}
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/// An IOSink that collects whatever is written to it.
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class MemoryIOSink implements IOSink {
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@override
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Encoding encoding = UTF8;
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final List<List<int>> writes = <List<int>>[];
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@override
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void add(List<int> data) {
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writes.add(data);
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}
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@override
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Future<Null> addStream(Stream<List<int>> stream) {
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final Completer<Null> completer = new Completer<Null>();
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stream.listen((List<int> data) {
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add(data);
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}).onDone(() => completer.complete(null));
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return completer.future;
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}
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@override
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void writeCharCode(int charCode) {
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add(<int>[charCode]);
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}
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@override
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void write(Object obj) {
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add(encoding.encode('$obj'));
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}
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@override
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void writeln([Object obj = ""]) {
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add(encoding.encode('$obj\n'));
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}
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@override
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void writeAll(Iterable<dynamic> objects, [String separator = ""]) {
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bool addSeparator = false;
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for (dynamic object in objects) {
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if (addSeparator) {
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write(separator);
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}
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write(object);
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addSeparator = true;
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}
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}
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@override
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void addError(dynamic error, [StackTrace stackTrace]) {
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throw new UnimplementedError();
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}
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@override
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Future<Null> get done => close();
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@override
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Future<Null> close() async => null;
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@override
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Future<Null> flush() async => null;
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}
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