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https://github.com/flutter/flutter
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2e54c4a8ea
The tool observes a large number of unhandled exceptions during the file copy portion of flutter create. it is difficult to tell whether the permission issue is caused by the source/destination, or whether it is due to a bug in dart:io. To work around this, implement a permission check for both the source and dest files. If either fails, the tool can exit with a more specific message. If these checks pass, then perform the actual copy. If the copy fails, fallback to manually copying the bytes
69 lines
2.6 KiB
Dart
69 lines
2.6 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 'package:file/memory.dart';
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import 'package:file_testing/file_testing.dart';
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import 'package:flutter_tools/src/base/file_system.dart';
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import 'package:flutter_tools/src/base/logger.dart';
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import 'package:flutter_tools/src/base/template.dart';
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import 'package:flutter_tools/src/template.dart';
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import 'package:mockito/mockito.dart';
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import 'src/common.dart';
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void main() {
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testWithoutContext('Template.render throws ToolExit when FileSystem exception is raised', () {
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final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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final Template template = Template(
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fileSystem.directory('examples'),
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fileSystem.currentDirectory,
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null,
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fileSystem: fileSystem,
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logger: BufferLogger.test(),
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templateRenderer: FakeTemplateRenderer(),
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templateManifest: null,
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);
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final MockDirectory mockDirectory = MockDirectory();
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when(mockDirectory.createSync(recursive: true)).thenThrow(const FileSystemException());
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expect(() => template.render(mockDirectory, <String, Object>{}),
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throwsToolExit());
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});
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testWithoutContext('Template.render replaces .img.tmpl files with files from the image source', () {
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final MemoryFileSystem fileSystem = MemoryFileSystem.test();
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final Directory templateDir = fileSystem.directory('templates');
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final Directory imageSourceDir = fileSystem.directory('template_images');
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final Directory destination = fileSystem.directory('target');
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const String imageName = 'some_image.png';
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templateDir.childFile('$imageName.img.tmpl').createSync(recursive: true);
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final File sourceImage = imageSourceDir.childFile(imageName);
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sourceImage.createSync(recursive: true);
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sourceImage.writeAsStringSync('Ceci n\'est pas une pipe');
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final Template template = Template(
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templateDir,
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templateDir,
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imageSourceDir,
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fileSystem: fileSystem,
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templateManifest: null,
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logger: BufferLogger.test(),
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templateRenderer: FakeTemplateRenderer(),
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);
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template.render(destination, <String, Object>{});
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final File destinationImage = destination.childFile(imageName);
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expect(destinationImage, exists);
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expect(destinationImage.readAsBytesSync(), equals(sourceImage.readAsBytesSync()));
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});
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}
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class MockDirectory extends Mock implements Directory {}
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class FakeTemplateRenderer extends TemplateRenderer {
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@override
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String renderString(String template, dynamic context, {bool htmlEscapeValues = false}) {
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return '';
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}
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}
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