project_file_invalidator_test.dart 6.13 KB
Newer Older
Ian Hickson's avatar
Ian Hickson committed
1
// Copyright 2014 The Flutter Authors. All rights reserved.
2 3 4 5
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:file/memory.dart';
6
import 'package:flutter_tools/src/base/file_system.dart';
7
import 'package:flutter_tools/src/base/logger.dart';
8
import 'package:flutter_tools/src/base/platform.dart';
9
import 'package:flutter_tools/src/convert.dart';
10
import 'package:flutter_tools/src/run_hot.dart';
11
import 'package:package_config/package_config.dart';
12

13
import '../src/common.dart';
14

15 16 17
// assumption: tests have a timeout less than 100 days
final DateTime inFuture = DateTime.now().add(const Duration(days: 100));

18
void main() {
19
  for (final bool asyncScanning in <bool>[true, false]) {
20
    testWithoutContext('No last compile, asyncScanning: $asyncScanning', () async {
21
      final FileSystem fileSystem = MemoryFileSystem();
22
      final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(
23
        fileSystem: fileSystem,
24
        platform: FakePlatform(),
25
        logger: BufferLogger.test(),
26
      );
27
      fileSystem.file('.packages').writeAsStringSync('\n');
28 29

      expect(
30
        (await projectFileInvalidator.findInvalidated(
31 32
          lastCompiled: null,
          urisToMonitor: <Uri>[],
33
          packagesPath: '.packages',
34
          asyncScanning: asyncScanning,
35 36
          packageConfig: PackageConfig.empty,
        )).uris,
37 38 39
        isEmpty,
      );
    });
40

41
    testWithoutContext('Empty project, asyncScanning: $asyncScanning', () async {
42
      final FileSystem fileSystem = MemoryFileSystem();
43
      final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(
44
        fileSystem: fileSystem,
45
        platform: FakePlatform(),
46
        logger: BufferLogger.test(),
47
      );
48
      fileSystem.file('.packages').writeAsStringSync('\n');
49

50
      expect(
51
        (await projectFileInvalidator.findInvalidated(
52 53
          lastCompiled: inFuture,
          urisToMonitor: <Uri>[],
54
          packagesPath: '.packages',
55
          asyncScanning: asyncScanning,
56 57
          packageConfig: PackageConfig.empty,
        )).uris,
58 59 60
        isEmpty,
      );
    });
61

62
    testWithoutContext('Non-existent files are ignored, asyncScanning: $asyncScanning', () async {
63
      final FileSystem fileSystem = MemoryFileSystem();
64 65 66
      final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(
        fileSystem: MemoryFileSystem(),
        platform: FakePlatform(),
67
        logger: BufferLogger.test(),
68
      );
69
      fileSystem.file('.packages').writeAsStringSync('\n');
70

71
      expect(
72
        (await projectFileInvalidator.findInvalidated(
73 74
          lastCompiled: inFuture,
          urisToMonitor: <Uri>[Uri.parse('/not-there-anymore'),],
75
          packagesPath: '.packages',
76
          asyncScanning: asyncScanning,
77 78
          packageConfig: PackageConfig.empty,
        )).uris,
79 80 81
        isEmpty,
      );
    });
82

83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
    testWithoutContext('Picks up changes to the .packages file and updates package_config.json'
      ', asyncScanning: $asyncScanning', () async {
      final DateTime past = DateTime.now().subtract(const Duration(seconds: 1));
      final FileSystem fileSystem = MemoryFileSystem.test();
      final PackageConfig packageConfig = PackageConfig.empty;
      final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(
        fileSystem: fileSystem,
        platform: FakePlatform(),
        logger: BufferLogger.test(),
      );
      fileSystem.file('.packages')
        .writeAsStringSync('\n');
      fileSystem.file('.dart_tool/package_config.json')
        ..createSync(recursive: true)
        ..writeAsStringSync(json.encode(<String, Object>{
            'configVersion': 2,
            'packages': <Object>[],
        }));

      final InvalidationResult invalidationResult = await projectFileInvalidator.findInvalidated(
        lastCompiled: null,
        urisToMonitor: <Uri>[],
        packagesPath: '.packages',
        asyncScanning: asyncScanning,
        packageConfig: packageConfig,
      );
      expect(invalidationResult.uris, isEmpty);
      fileSystem.file('.packages').setLastModifiedSync(DateTime.now());

      final InvalidationResult secondInvalidation = await projectFileInvalidator.findInvalidated(
        lastCompiled: past,
        urisToMonitor: <Uri>[],
        packagesPath: '.packages',
        asyncScanning: asyncScanning,
        packageConfig: packageConfig,
      );
      expect(secondInvalidation.uris, unorderedEquals(<Uri>[
        Uri.parse('.packages'),
        Uri.parse('.dart_tool/package_config.json'),
      ]));
    });


126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
    testWithoutContext('Picks up changes to the .packages file and updates PackageConfig'
      ', asyncScanning: $asyncScanning', () async {
      final FileSystem fileSystem = MemoryFileSystem.test();
      final PackageConfig packageConfig = PackageConfig.empty;
      final ProjectFileInvalidator projectFileInvalidator = ProjectFileInvalidator(
        fileSystem: fileSystem,
        platform: FakePlatform(),
        logger: BufferLogger.test(),
      );
      fileSystem.file('.packages')
        .writeAsStringSync('\n');

      final InvalidationResult invalidationResult = await projectFileInvalidator.findInvalidated(
        lastCompiled: null,
        urisToMonitor: <Uri>[],
        packagesPath: '.packages',
        asyncScanning: asyncScanning,
        packageConfig: packageConfig,
      );

      expect(invalidationResult.packageConfig, isNot(packageConfig));

      fileSystem.file('.packages')
        .writeAsStringSync('foo:lib/\n');
      final DateTime packagesUpdated = fileSystem.statSync('.packages')
        .modified;

      final InvalidationResult nextInvalidationResult = await projectFileInvalidator
        .findInvalidated(
          lastCompiled: packagesUpdated.subtract(const Duration(seconds: 1)),
          urisToMonitor: <Uri>[],
          packagesPath: '.packages',
          asyncScanning: asyncScanning,
          packageConfig: PackageConfig.empty,
        );

      expect(nextInvalidationResult.uris, contains(Uri.parse('.packages')));
      // The PackagConfig should have been recreated too
      expect(nextInvalidationResult.packageConfig,
        isNot(invalidationResult.packageConfig));
    });
167
  }
168
}