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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// @dart = 2.8
import 'dart:convert';
import 'package:file/file.dart';
import 'package:file/memory.dart';
import 'package:flutter_tools/src/asset.dart';
import 'package:flutter_tools/src/base/file_system.dart';
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/bundle.dart';
import 'package:flutter_tools/src/devfs.dart';
import 'package:flutter_tools/src/globals_null_migrated.dart' as globals;
import '../src/common.dart';
import '../src/context.dart';
void main() {
group('AssetBundle.build', () {
FileSystem testFileSystem;
setUp(() async {
testFileSystem = MemoryFileSystem(
style: globals.platform.isWindows
? FileSystemStyle.windows
: FileSystemStyle.posix,
);
testFileSystem.currentDirectory = testFileSystem.systemTempDirectory.createTempSync('flutter_asset_bundle_test.');
});
testUsingContext('nonempty', () async {
final AssetBundle ab = AssetBundleFactory.instance.createBundle();
expect(await ab.build(packagesPath: '.packages'), 0);
expect(ab.entries.length, greaterThan(0));
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('empty pubspec', () async {
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync('');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
expect(bundle.entries.length, 1);
const String expectedAssetManifest = '{}';
expect(
utf8.decode(await bundle.entries['AssetManifest.json'].contentsAsBytes()),
expectedAssetManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('wildcard directories are updated when filesystem changes', () async {
final File packageFile = globals.fs.file('.packages')..createSync();
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
// Simulate modifying the files by updating the filestat time manually.
globals.fs.file(globals.fs.path.join('assets', 'foo', 'fizz.txt'))
..createSync(recursive: true)
..setLastModifiedSync(packageFile.lastModifiedSync().add(const Duration(hours: 1)));
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), true);
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
// - assets/foo/fizz.txt
expect(bundle.entries.length, 5);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('handle removal of wildcard directories', () async {
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
final File pubspec = globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
''');
globals.fs.file('.packages').createSync();
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
// Delete the wildcard directory and update pubspec file.
final DateTime modifiedTime = pubspec.lastModifiedSync().add(const Duration(hours: 1));
globals.fs.directory(globals.fs.path.join('assets', 'foo')).deleteSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example''')
..setLastModifiedSync(modifiedTime);
// touch .packages to make sure its change time is after pubspec.yaml's
globals.fs.file('.packages')
.setLastModifiedSync(modifiedTime);
// Even though the previous file was removed, it is left in the
// asset manifest and not updated. This is due to the devfs not
// supporting file deletion.
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), true);
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
// https://github.com/flutter/flutter/issues/42723
testUsingContext('Test regression for mistyped file', () async {
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
// Create a directory in the same path to test that we're only looking at File
// objects.
globals.fs.directory(globals.fs.path.join('assets', 'foo', 'bar')).createSync();
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
''');
globals.fs.file('.packages').createSync();
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('deferred assets are parsed', () async {
globals.fs.file('.packages').createSync();
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'bar', 'barbie.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'wild', 'dash.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
deferred-components:
- name: component1
assets:
- assets/bar/barbie.txt
- assets/wild/
''');
final AssetBundle bundle = AssetBundleFactory.defaultInstance(
logger: globals.logger,
fileSystem: globals.fs,
platform: globals.platform,
splitDeferredAssets: true,
).createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages', deferredComponentsEnabled: true);
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
expect(bundle.deferredComponentsEntries.length, 1);
expect(bundle.deferredComponentsEntries['component1'].length, 2);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('deferred assets are parsed regularly when splitDeferredAssets Disabled', () async {
globals.fs.file('.packages').createSync();
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'bar', 'barbie.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'wild', 'dash.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
deferred-components:
- name: component1
assets:
- assets/bar/barbie.txt
- assets/wild/
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages', deferredComponentsEnabled: false);
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 6);
expect(bundle.deferredComponentsEntries.isEmpty, true);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('deferred assets wildcard parsed', () async {
final File packageFile = globals.fs.file('.packages')..createSync();
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'bar', 'barbie.txt')).createSync(recursive: true);
globals.fs.file(globals.fs.path.join('assets', 'wild', 'dash.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/
deferred-components:
- name: component1
assets:
- assets/bar/barbie.txt
- assets/wild/
''');
final AssetBundle bundle = AssetBundleFactory.defaultInstance(
logger: globals.logger,
fileSystem: globals.fs,
platform: globals.platform,
splitDeferredAssets: true,
).createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages', deferredComponentsEnabled: true);
// Expected assets:
// - asset manifest
// - font manifest
// - license file
// - assets/foo/bar.txt
expect(bundle.entries.length, 4);
expect(bundle.deferredComponentsEntries.length, 1);
expect(bundle.deferredComponentsEntries['component1'].length, 2);
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
// Simulate modifying the files by updating the filestat time manually.
globals.fs.file(globals.fs.path.join('assets', 'wild', 'fizz.txt'))
..createSync(recursive: true)
..setLastModifiedSync(packageFile.lastModifiedSync().add(const Duration(hours: 1)));
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), true);
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages', deferredComponentsEnabled: true);
expect(bundle.entries.length, 4);
expect(bundle.deferredComponentsEntries.length, 1);
expect(bundle.deferredComponentsEntries['component1'].length, 3);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
ProcessManager: () => FakeProcessManager.any(),
});
});
testUsingContext('Failed directory delete shows message', () async {
final FileExceptionHandler handler = FileExceptionHandler();
final FileSystem fileSystem = MemoryFileSystem.test(opHandle: handler.opHandle);
final Directory directory = fileSystem.directory('foo')
..createSync();
handler.addError(directory, FileSystemOp.delete, const FileSystemException('Expected Error Text'));
await writeBundle(directory, <String, DevFSContent>{}, loggerOverride: testLogger);
expect(testLogger.errorText, contains('Expected Error Text'));
});
testUsingContext('does not unnecessarily recreate asset manifest, font manifest, license', () async {
globals.fs.file('.packages').createSync();
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/foo/bar.txt
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
final DevFSStringContent assetManifest = bundle.entries['AssetManifest.json']
as DevFSStringContent;
final DevFSStringContent fontManifest = bundle.entries['FontManifest.json']
as DevFSStringContent;
final DevFSStringContent license = bundle.entries['NOTICES']
as DevFSStringContent;
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
expect(assetManifest, bundle.entries['AssetManifest.json']);
expect(fontManifest, bundle.entries['FontManifest.json']);
expect(license, bundle.entries['NOTICES']);
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('inserts dummy file into additionalDependencies when '
'wildcards are used', () async {
globals.fs.file('.packages').createSync();
globals.fs.file(globals.fs.path.join('assets', 'bar.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect(bundle.additionalDependencies.single.path, contains('DOES_NOT_EXIST_RERUN_FOR_WILDCARD'));
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('Does not insert dummy file into additionalDependencies '
'when wildcards are not used', () async {
globals.fs.file('.packages').createSync();
globals.fs.file(globals.fs.path.join('assets', 'bar.txt')).createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/bar.txt
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect(bundle.additionalDependencies, isEmpty);
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
});
testUsingContext('Does not insert dummy file into additionalDependencies '
'when wildcards are used by dependencies', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
foo:foo/lib/
''');
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt'))
.createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
dependencies:
foo: any
''');
globals.fs.file('foo/pubspec.yaml')
..createSync(recursive: true)
..writeAsStringSync(r'''
name: foo
flutter:
assets:
- bar/
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
globals.fs.file('foo/bar/fizz.txt').createSync(recursive: true);
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect(bundle.additionalDependencies, isEmpty);
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('does not track wildcard directories from dependencies', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
foo:foo/lib/
''');
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt'))
.createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
dependencies:
foo: any
''');
globals.fs.file('foo/pubspec.yaml')
..createSync(recursive: true)
..writeAsStringSync(r'''
name: foo
flutter:
assets:
- bar/
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
globals.fs.file('foo/bar/fizz.txt').createSync(recursive: true);
await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages');
expect(bundle.entries, hasLength(4));
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
// Does not track dependency's wildcard directories.
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt'))
.deleteSync();
expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('reports package that causes asset bundle error when it is '
'a dependency', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
foo:foo/lib/
''');
globals.fs.file(globals.fs.path.join('assets', 'foo', 'bar.txt'))
.createSync(recursive: true);
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
dependencies:
foo: any
''');
globals.fs.file('foo/pubspec.yaml')
..createSync(recursive: true)
..writeAsStringSync(r'''
name: foo
flutter:
assets:
- bar.txt
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 1);
expect(testLogger.errorText, contains('This asset was included from package foo'));
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('does not report package that causes asset bundle error '
'when it is from own pubspec', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
''');
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- bar.txt
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 1);
expect(testLogger.errorText, isNot(contains('This asset was included from')));
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('does not include material design assets if uses-material-design: true is '
'specified only by a dependency', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
foo:foo/lib/
''');
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
dependencies:
foo: any
flutter:
uses-material-design: false
''');
globals.fs.file('foo/pubspec.yaml')
..createSync(recursive: true)
..writeAsStringSync(r'''
name: foo
flutter:
uses-material-design: true
''');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect((bundle.entries['FontManifest.json'] as DevFSStringContent).string, '[]');
expect((bundle.entries['AssetManifest.json'] as DevFSStringContent).string, '{}');
expect(testLogger.errorText, contains(
'package:foo has `uses-material-design: true` set'
));
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('does not include assets in project directories as asset variants', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
''');
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- foo.txt
''');
globals.fs.file('assets/foo.txt').createSync(recursive: true);
// Potential build artifacts outside of build directory.
globals.fs.file('linux/flutter/foo.txt').createSync(recursive: true);
globals.fs.file('windows/flutter/foo.txt').createSync(recursive: true);
globals.fs.file('windows/CMakeLists.txt').createSync();
globals.fs.file('macos/Flutter/foo.txt').createSync(recursive: true);
globals.fs.file('ios/foo.txt').createSync(recursive: true);
globals.fs.file('build/foo.txt').createSync(recursive: true);
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect(bundle.entries.length, 4);
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
testUsingContext('deferred and regular assets are included in manifest alphabetically', () async {
globals.fs.file('.packages').writeAsStringSync(r'''
example:lib/
''');
globals.fs.file('pubspec.yaml')
..createSync()
..writeAsStringSync(r'''
name: example
flutter:
assets:
- assets/zebra.jpg
- assets/foo.jpg
deferred-components:
- name: component1
assets:
- assets/bar.jpg
- assets/apple.jpg
''');
globals.fs.file('assets/foo.jpg').createSync(recursive: true);
globals.fs.file('assets/bar.jpg').createSync();
globals.fs.file('assets/apple.jpg').createSync();
globals.fs.file('assets/zebra.jpg').createSync();
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
expect(await bundle.build(manifestPath: 'pubspec.yaml', packagesPath: '.packages'), 0);
expect((bundle.entries['FontManifest.json'] as DevFSStringContent).string, '[]');
// The assets from deferred components and regular assets
// are both included in alphabetical order
expect((bundle.entries['AssetManifest.json'] as DevFSStringContent).string, '{"assets/apple.jpg":["assets/apple.jpg"],"assets/bar.jpg":["assets/bar.jpg"],"assets/foo.jpg":["assets/foo.jpg"],"assets/zebra.jpg":["assets/zebra.jpg"]}');
}, overrides: <Type, Generator>{
FileSystem: () => MemoryFileSystem.test(),
ProcessManager: () => FakeProcessManager.any(),
Platform: () => FakePlatform(operatingSystem: 'linux'),
});
}