asset_bundle_test.dart 2.73 KB
Newer Older
1 2 3 4 5 6
// Copyright 2016 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:convert';
import 'package:flutter_tools/src/asset.dart';
7
import 'package:flutter_tools/src/base/file_system.dart';
8
import 'package:flutter_tools/src/devfs.dart';
9 10 11 12 13
import 'package:path/path.dart' as path;
import 'package:test/test.dart';

void main()  {
  // Create a temporary directory and write a single file into it.
14 15
  FileSystem fs = new LocalFileSystem();
  Directory tempDir = fs.systemTempDirectory.createTempSync();
16 17 18
  String projectRoot = tempDir.path;
  String assetPath = 'banana.txt';
  String assetContents = 'banana';
19
  File tempFile = fs.file(path.join(projectRoot, assetPath));
20 21 22 23 24 25 26 27 28 29 30 31 32
  tempFile.parent.createSync(recursive: true);
  tempFile.writeAsBytesSync(UTF8.encode(assetContents));

  // Fixed asset bundle tests.
  group('AssetBundle.fixed', () {
    test('empty strings', () async {
      expect(new AssetBundle.fixed(null, null), isNotNull);
      expect(new AssetBundle.fixed('', ''), isNotNull);
      expect(new AssetBundle.fixed(null, null).entries, isEmpty);
    });
    test('does not need a rebuild', () async {
      expect(new AssetBundle.fixed(null, null).needsBuild(), isFalse);
    });
33 34 35 36
    test('empty string', () async {
      AssetBundle ab = new AssetBundle.fixed('', '');
      expect(ab.entries, isEmpty);
    });
37 38 39 40
    test('single entry', () async {
      AssetBundle ab = new AssetBundle.fixed('', 'apple.txt');
      expect(ab.entries, isNotEmpty);
      expect(ab.entries.length, 1);
41 42 43
      String archivePath = ab.entries.keys.first;
      expect(archivePath, isNotNull);
      expect(archivePath, 'apple.txt');
44 45 46 47 48
    });
    test('two entries', () async {
      AssetBundle ab = new AssetBundle.fixed('', 'apple.txt,packages/flutter_gallery_assets/shrine/products/heels.png');
      expect(ab.entries, isNotEmpty);
      expect(ab.entries.length, 2);
49 50 51
      List<String> archivePaths = ab.entries.keys.toList()..sort();
      expect(archivePaths[0], 'apple.txt');
      expect(archivePaths[1], 'packages/flutter_gallery_assets/shrine/products/heels.png');
52 53 54 55 56
    });
    test('file contents', () async {
      AssetBundle ab = new AssetBundle.fixed(projectRoot, assetPath);
      expect(ab.entries, isNotEmpty);
      expect(ab.entries.length, 1);
57 58 59 60
      String archivePath = ab.entries.keys.first;
      DevFSContent content = ab.entries[archivePath];
      expect(archivePath, assetPath);
      expect(assetContents, UTF8.decode(await content.contentsAsBytes()));
61 62
    });
  });
63 64 65 66 67 68 69 70

  group('AssetBundle.build', () {
    test('nonempty', () async {
      AssetBundle ab = new AssetBundle();
      expect(await ab.build(), 0);
      expect(ab.entries.length, greaterThan(0));
    });
  });
71
}