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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
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/cache.dart';
import '../src/common.dart';
import '../src/context.dart';
import '../src/pubspec_schema.dart';
void main() {
String fixPath(String path) {
// The in-memory file system is strict about slashes on Windows being the
// correct way so until https://github.com/google/file.dart/issues/112 is
// fixed we fix them here.
// TODO(dantup): Remove this function once the above issue is fixed and
// rolls into Flutter.
return path?.replaceAll('/', fs.path.separator);
}
void writePubspecFile(String path, String name, { String fontsSection }) {
if (fontsSection == null) {
fontsSection = '';
} else {
fontsSection = '''
flutter:
fonts:
$fontsSection
''';
}
fs.file(fixPath(path))
..createSync(recursive: true)
..writeAsStringSync('''
name: $name
dependencies:
flutter:
sdk: flutter
$fontsSection
''');
}
void establishFlutterRoot() {
// Setting flutterRoot here so that it picks up the MemoryFileSystem's
// path separator.
Cache.flutterRoot = getFlutterRoot();
}
void writePackagesFile(String packages) {
fs.file('.packages')
..createSync()
..writeAsStringSync(packages);
}
Future<void> buildAndVerifyFonts(
List<String> localFonts,
List<String> packageFonts,
List<String> packages,
String expectedAssetManifest,
) async {
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml');
for (String packageName in packages) {
for (String packageFont in packageFonts) {
final String entryKey = 'packages/$packageName/$packageFont';
expect(bundle.entries.containsKey(entryKey), true);
expect(
utf8.decode(await bundle.entries[entryKey].contentsAsBytes()),
packageFont,
);
}
for (String localFont in localFonts) {
expect(bundle.entries.containsKey(localFont), true);
expect(
utf8.decode(await bundle.entries[localFont].contentsAsBytes()),
localFont,
);
}
}
expect(
json.decode(utf8.decode(await bundle.entries['FontManifest.json'].contentsAsBytes())),
json.decode(expectedAssetManifest),
);
}
void writeFontAsset(String path, String font) {
fs.file(fixPath('$path$font'))
..createSync(recursive: true)
..writeAsStringSync(font);
}
group('AssetBundle fonts from packages', () {
FileSystem testFileSystem;
setUp(() async {
testFileSystem = MemoryFileSystem(
style: platform.isWindows
? FileSystemStyle.windows
: FileSystemStyle.posix,
);
testFileSystem.currentDirectory = testFileSystem.systemTempDirectory.createTempSync('flutter_asset_bundle_test.');
});
testUsingContext('App includes neither font manifest nor fonts when no defines fonts', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
writePubspecFile('pubspec.yaml', 'test');
writePackagesFile('test_package:p/p/lib/');
writePubspecFile('p/p/pubspec.yaml', 'test_package');
final AssetBundle bundle = AssetBundleFactory.instance.createBundle();
await bundle.build(manifestPath: 'pubspec.yaml');
expect(bundle.entries.length, 3); // LICENSE, AssetManifest, FontManifest
expect(bundle.entries.containsKey('FontManifest.json'), isTrue);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App font uses font file from package', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
const String fontsSection = '''
- family: foo
fonts:
- asset: packages/test_package/bar
''';
writePubspecFile('pubspec.yaml', 'test', fontsSection: fontsSection);
writePackagesFile('test_package:p/p/lib/');
writePubspecFile('p/p/pubspec.yaml', 'test_package');
const String font = 'bar';
writeFontAsset('p/p/lib/', font);
const String expectedFontManifest =
'[{"fonts":[{"asset":"packages/test_package/bar"}],"family":"foo"}]';
await buildAndVerifyFonts(
<String>[],
<String>[font],
<String>['test_package'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App font uses local font file and package font file', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
const String fontsSection = '''
- family: foo
fonts:
- asset: packages/test_package/bar
- asset: a/bar
''';
writePubspecFile('pubspec.yaml', 'test', fontsSection: fontsSection);
writePackagesFile('test_package:p/p/lib/');
writePubspecFile('p/p/pubspec.yaml', 'test_package');
const String packageFont = 'bar';
writeFontAsset('p/p/lib/', packageFont);
const String localFont = 'a/bar';
writeFontAsset('', localFont);
const String expectedFontManifest =
'[{"fonts":[{"asset":"packages/test_package/bar"},{"asset":"a/bar"}],'
'"family":"foo"}]';
await buildAndVerifyFonts(
<String>[localFont],
<String>[packageFont],
<String>['test_package'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App uses package font with own font file', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
writePubspecFile('pubspec.yaml', 'test');
writePackagesFile('test_package:p/p/lib/');
const String fontsSection = '''
- family: foo
fonts:
- asset: a/bar
''';
writePubspecFile(
'p/p/pubspec.yaml',
'test_package',
fontsSection: fontsSection,
);
const String font = 'a/bar';
writeFontAsset('p/p/', font);
const String expectedFontManifest =
'[{"family":"packages/test_package/foo",'
'"fonts":[{"asset":"packages/test_package/a/bar"}]}]';
await buildAndVerifyFonts(
<String>[],
<String>[font],
<String>['test_package'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App uses package font with font file from another package', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
writePubspecFile('pubspec.yaml', 'test');
writePackagesFile('test_package:p/p/lib/\ntest_package2:p2/p/lib/');
const String fontsSection = '''
- family: foo
fonts:
- asset: packages/test_package2/bar
''';
writePubspecFile(
'p/p/pubspec.yaml',
'test_package',
fontsSection: fontsSection,
);
writePubspecFile('p2/p/pubspec.yaml', 'test_package2');
const String font = 'bar';
writeFontAsset('p2/p/lib/', font);
const String expectedFontManifest =
'[{"family":"packages/test_package/foo",'
'"fonts":[{"asset":"packages/test_package2/bar"}]}]';
await buildAndVerifyFonts(
<String>[],
<String>[font],
<String>['test_package2'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App uses package font with properties and own font file', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
writePubspecFile('pubspec.yaml', 'test');
writePackagesFile('test_package:p/p/lib/');
const String pubspec = '''
- family: foo
fonts:
- style: italic
weight: 400
asset: a/bar
''';
writePubspecFile(
'p/p/pubspec.yaml',
'test_package',
fontsSection: pubspec,
);
const String font = 'a/bar';
writeFontAsset('p/p/', font);
const String expectedFontManifest =
'[{"family":"packages/test_package/foo",'
'"fonts":[{"weight":400,"style":"italic","asset":"packages/test_package/a/bar"}]}]';
await buildAndVerifyFonts(
<String>[],
<String>[font],
<String>['test_package'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
testUsingContext('App uses local font and package font with own font file.', () async {
establishFlutterRoot();
writeEmptySchemaFile(fs);
const String fontsSection = '''
- family: foo
fonts:
- asset: a/bar
''';
writePubspecFile(
'pubspec.yaml',
'test',
fontsSection: fontsSection,
);
writePackagesFile('test_package:p/p/lib/');
writePubspecFile(
'p/p/pubspec.yaml',
'test_package',
fontsSection: fontsSection,
);
const String font = 'a/bar';
writeFontAsset('', font);
writeFontAsset('p/p/', font);
const String expectedFontManifest =
'[{"fonts":[{"asset":"a/bar"}],"family":"foo"},'
'{"family":"packages/test_package/foo",'
'"fonts":[{"asset":"packages/test_package/a/bar"}]}]';
await buildAndVerifyFonts(
<String>[font],
<String>[font],
<String>['test_package'],
expectedFontManifest,
);
}, overrides: <Type, Generator>{
FileSystem: () => testFileSystem,
});
});
}