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f2342a6141
Without this, an FLX with no assets may be completely empty in AOT mode. This will result in a warning when the engine's unzip library tries to parse the FLX. Fixes https://github.com/flutter/flutter/issues/7060
73 lines
2.7 KiB
Dart
73 lines
2.7 KiB
Dart
// 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:io';
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import 'dart:convert';
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import 'package:flutter_tools/src/asset.dart';
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import 'package:path/path.dart' as path;
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import 'package:test/test.dart';
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void main() {
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// Create a temporary directory and write a single file into it.
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Directory tempDir = Directory.systemTemp.createTempSync();
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String projectRoot = tempDir.path;
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String assetPath = 'banana.txt';
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String assetContents = 'banana';
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File tempFile = new File(path.join(projectRoot, assetPath));
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tempFile.parent.createSync(recursive: true);
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tempFile.writeAsBytesSync(UTF8.encode(assetContents));
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// Fixed asset bundle tests.
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group('AssetBundle.fixed', () {
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test('empty strings', () async {
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expect(new AssetBundle.fixed(null, null), isNotNull);
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expect(new AssetBundle.fixed('', ''), isNotNull);
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expect(new AssetBundle.fixed(null, null).entries, isEmpty);
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});
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test('does not need a rebuild', () async {
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expect(new AssetBundle.fixed(null, null).needsBuild(), isFalse);
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});
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test('empty string', () async {
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AssetBundle ab = new AssetBundle.fixed('', '');
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expect(ab.entries, isEmpty);
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});
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test('single entry', () async {
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AssetBundle ab = new AssetBundle.fixed('', 'apple.txt');
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expect(ab.entries, isNotEmpty);
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expect(ab.entries.length, 1);
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AssetBundleEntry entry = ab.entries.first;
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expect(entry, isNotNull);
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expect(entry.archivePath, 'apple.txt');
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});
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test('two entries', () async {
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AssetBundle ab = new AssetBundle.fixed('', 'apple.txt,packages/flutter_gallery_assets/shrine/products/heels.png');
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expect(ab.entries, isNotEmpty);
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expect(ab.entries.length, 2);
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AssetBundleEntry firstEntry = ab.entries.first;
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expect(firstEntry, isNotNull);
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expect(firstEntry.archivePath, 'apple.txt');
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AssetBundleEntry lastEntry = ab.entries.last;
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expect(lastEntry, isNotNull);
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expect(lastEntry.archivePath, 'packages/flutter_gallery_assets/shrine/products/heels.png');
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});
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test('file contents', () async {
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AssetBundle ab = new AssetBundle.fixed(projectRoot, assetPath);
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expect(ab.entries, isNotEmpty);
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expect(ab.entries.length, 1);
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AssetBundleEntry entry = ab.entries.first;
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expect(entry, isNotNull);
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expect(entry.archivePath, assetPath);
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expect(assetContents, UTF8.decode(entry.contentsAsBytes()));
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});
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});
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group('AssetBundle.build', () {
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test('nonempty', () async {
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AssetBundle ab = new AssetBundle();
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expect(await ab.build(), 0);
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expect(ab.entries.length, greaterThan(0));
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});
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});
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}
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