mirror of
https://github.com/flutter/flutter
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170 lines
6.7 KiB
Dart
170 lines
6.7 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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// @dart = 2.8
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import 'dart:async';
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import 'dart:io' as io;
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import 'package:file/memory.dart';
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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/base/platform.dart';
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import 'package:flutter_tools/src/base/signals.dart';
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import 'package:test/fake.dart';
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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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group('fsUtils', () {
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MemoryFileSystem fs;
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FileSystemUtils fsUtils;
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setUp(() {
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fs = MemoryFileSystem.test();
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fsUtils = FileSystemUtils(
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fileSystem: fs,
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platform: FakePlatform(),
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);
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});
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testWithoutContext('getUniqueFile creates a unique file name', () async {
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final File fileA = fsUtils.getUniqueFile(fs.currentDirectory, 'foo', 'json')
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..createSync();
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final File fileB = fsUtils.getUniqueFile(fs.currentDirectory, 'foo', 'json');
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expect(fileA.path, '/foo_01.json');
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expect(fileB.path, '/foo_02.json');
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});
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testWithoutContext('getUniqueDirectory creates a unique directory name', () async {
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final Directory directoryA = fsUtils.getUniqueDirectory(fs.currentDirectory, 'foo')
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..createSync();
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final Directory directoryB = fsUtils.getUniqueDirectory(fs.currentDirectory, 'foo');
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expect(directoryA.path, '/foo_01');
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expect(directoryB.path, '/foo_02');
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});
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});
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group('copyDirectorySync', () {
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/// Test file_systems.copyDirectorySync() using MemoryFileSystem.
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/// Copies between 2 instances of file systems which is also supported by copyDirectorySync().
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testWithoutContext('test directory copy', () async {
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final MemoryFileSystem sourceMemoryFs = MemoryFileSystem.test();
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const String sourcePath = '/some/origin';
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final Directory sourceDirectory = await sourceMemoryFs.directory(sourcePath).create(recursive: true);
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sourceMemoryFs.currentDirectory = sourcePath;
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final File sourceFile1 = sourceMemoryFs.file('some_file.txt')..writeAsStringSync('bleh');
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final DateTime writeTime = sourceFile1.lastModifiedSync();
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sourceMemoryFs.file('sub_dir/another_file.txt').createSync(recursive: true);
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sourceMemoryFs.directory('empty_directory').createSync();
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// Copy to another memory file system instance.
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final MemoryFileSystem targetMemoryFs = MemoryFileSystem.test();
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const String targetPath = '/some/non-existent/target';
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final Directory targetDirectory = targetMemoryFs.directory(targetPath);
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copyDirectory(sourceDirectory, targetDirectory);
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expect(targetDirectory.existsSync(), true);
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targetMemoryFs.currentDirectory = targetPath;
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expect(targetMemoryFs.directory('empty_directory').existsSync(), true);
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expect(targetMemoryFs.file('sub_dir/another_file.txt').existsSync(), true);
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expect(targetMemoryFs.file('some_file.txt').readAsStringSync(), 'bleh');
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// Assert that the copy operation hasn't modified the original file in some way.
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expect(sourceMemoryFs.file('some_file.txt').lastModifiedSync(), writeTime);
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// There's still 3 things in the original directory as there were initially.
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expect(sourceMemoryFs.directory(sourcePath).listSync().length, 3);
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});
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testWithoutContext('Skip files if shouldCopyFile returns false', () {
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final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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final Directory origin = fileSystem.directory('/origin');
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origin.createSync();
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fileSystem.file(fileSystem.path.join('origin', 'a.txt')).writeAsStringSync('irrelevant');
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fileSystem.directory('/origin/nested').createSync();
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fileSystem.file(fileSystem.path.join('origin', 'nested', 'a.txt')).writeAsStringSync('irrelevant');
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fileSystem.file(fileSystem.path.join('origin', 'nested', 'b.txt')).writeAsStringSync('irrelevant');
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final Directory destination = fileSystem.directory('/destination');
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copyDirectory(origin, destination, shouldCopyFile: (File origin, File dest) {
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return origin.basename == 'b.txt';
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});
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expect(destination.existsSync(), isTrue);
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expect(destination.childDirectory('nested').existsSync(), isTrue);
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expect(destination.childDirectory('nested').childFile('b.txt').existsSync(), isTrue);
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expect(destination.childFile('a.txt').existsSync(), isFalse);
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expect(destination.childDirectory('nested').childFile('a.txt').existsSync(), isFalse);
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});
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});
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group('escapePath', () {
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testWithoutContext('on Windows', () {
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final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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final FileSystemUtils fsUtils = FileSystemUtils(
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fileSystem: fileSystem,
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platform: FakePlatform(operatingSystem: 'windows'),
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);
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expect(fsUtils.escapePath(r'C:\foo\bar\cool.dart'), r'C:\\foo\\bar\\cool.dart');
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expect(fsUtils.escapePath(r'foo\bar\cool.dart'), r'foo\\bar\\cool.dart');
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expect(fsUtils.escapePath('C:/foo/bar/cool.dart'), 'C:/foo/bar/cool.dart');
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});
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testWithoutContext('on Linux', () {
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final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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final FileSystemUtils fsUtils = FileSystemUtils(
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fileSystem: fileSystem,
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platform: FakePlatform(operatingSystem: 'linux'),
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);
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expect(fsUtils.escapePath('/foo/bar/cool.dart'), '/foo/bar/cool.dart');
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expect(fsUtils.escapePath('foo/bar/cool.dart'), 'foo/bar/cool.dart');
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expect(fsUtils.escapePath(r'foo\cool.dart'), r'foo\cool.dart');
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});
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});
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group('LocalFileSystem', () {
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FakeProcessSignal fakeSignal;
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ProcessSignal signalUnderTest;
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setUp(() {
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fakeSignal = FakeProcessSignal();
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signalUnderTest = ProcessSignal(fakeSignal);
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});
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testUsingContext('deletes system temp entry on a fatal signal', () async {
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final Completer<void> completer = Completer<void>();
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final Signals signals = Signals.test();
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final LocalFileSystem localFileSystem = LocalFileSystem.test(
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signals: signals,
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fatalSignals: <ProcessSignal>[signalUnderTest],
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);
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final Directory temp = localFileSystem.systemTempDirectory;
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signals.addHandler(signalUnderTest, (ProcessSignal s) {
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completer.complete();
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});
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expect(temp.existsSync(), isTrue);
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fakeSignal.controller.add(fakeSignal);
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await completer.future;
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expect(temp.existsSync(), isFalse);
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});
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});
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}
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class FakeProcessSignal extends Fake implements io.ProcessSignal {
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final StreamController<io.ProcessSignal> controller = StreamController<io.ProcessSignal>();
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@override
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Stream<io.ProcessSignal> watch() => controller.stream;
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}
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class FakeFile extends Fake implements File {}
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