pkg/barback/test/package_graph/source_test.dart - Issue 808713003: Remove barback from the repo.

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Issue 808713003: Remove barback from the repo. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 6 years ago

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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 library barback.test.package_graph.source_test;

6

7 import 'package:scheduled_test/scheduled_test.dart';

8

9 import '../utils.dart';

10

11 main() {

12 initConfig();

13 test("gets a source asset", () {

14 initGraph(["app\|foo.txt"]);

15 updateSources(["app\|foo.txt"]);

16 expectAsset("app\|foo.txt");

17 buildShouldSucceed();

18 });

19

20 test("doesn't get an unknown source", () {

21 initGraph();

22 expectNoAsset("app\|unknown.txt");

23 });

24

25 test("doesn't get an unprovided source", () {

26 initGraph();

27 updateSources(["app\|unknown.txt"]);

28 expectNoAsset("app\|unknown.txt");

29 });

30

31 test("doesn't get an asset that isn't an updated source", () {

32 initGraph(["app\|foo.txt"]);

33

34 // Sources must be explicitly made visible to barback by calling

35 // updateSources() on them. It isn't enough for the provider to be able

36 // to provide it.

37 //

38 // This lets you distinguish between sources that you want to be primaries

39 // and the larger set of inputs that those primaries are allowed to pull in.

40 expectNoAsset("app\|foo.txt");

41 });

42

43 test("gets a source asset if not transformed", () {

44 initGraph(["app\|foo.txt"], {"app": [

45 [new RewriteTransformer("nottxt", "whatever")]

46 ]});

47

48 updateSources(["app\|foo.txt"]);

49 expectAsset("app\|foo.txt");

50 buildShouldSucceed();

51 });

52

53 test("doesn't get a removed source", () {

54 initGraph(["app\|foo.txt"]);

55

56 updateSources(["app\|foo.txt"]);

57 expectAsset("app\|foo.txt");

58 buildShouldSucceed();

59

60 removeSources(["app\|foo.txt"]);

61 expectNoAsset("app\|foo.txt");

62 buildShouldSucceed();

63 });

64

65 test("collapses redundant updates", () {

66 var transformer = new RewriteTransformer("blub", "blab");

67 initGraph(["app\|foo.blub"], {"app": [[transformer]]});

68

69 schedule(() {

70 // Make a bunch of synchronous update calls.

71 updateSourcesSync(["app\|foo.blub"]);

72 updateSourcesSync(["app\|foo.blub"]);

73 updateSourcesSync(["app\|foo.blub"]);

74 updateSourcesSync(["app\|foo.blub"]);

75 });

76

77 expectAsset("app\|foo.blab", "foo.blab");

78 buildShouldSucceed();

79

80 expect(transformer.numRuns, completion(equals(1)));

81 });

82

83 test("a removal cancels out an update", () {

84 initGraph(["app\|foo.txt"]);

85

86 schedule(() {

87 updateSourcesSync(["app\|foo.txt"]);

88 removeSourcesSync(["app\|foo.txt"]);

89 });

90

91 expectNoAsset("app\|foo.txt");

92 buildShouldSucceed();

93 });

94

95 test("an update cancels out a removal", () {

96 initGraph(["app\|foo.txt"]);

97

98 schedule(() {

99 removeSourcesSync(["app\|foo.txt"]);

100 updateSourcesSync(["app\|foo.txt"]);

101 });

102

103 expectAsset("app\|foo.txt");

104 buildShouldSucceed();

105 });

106

107 test("reloads an asset that's updated while loading", () {

108 initGraph({"app\|foo.txt": "foo"});

109

110 pauseProvider();

111 // The mock provider synchronously loads the value of the assets, so this

112 // will kick off two loads with different values. The second one should

113 // win.

114 updateSources(["app\|foo.txt"]);

115 modifyAsset("app\|foo.txt", "bar");

116 updateSources(["app\|foo.txt"]);

117

118 resumeProvider();

119 expectAsset("app\|foo.txt", "bar");

120 buildShouldSucceed();

121 });

122

123 test("restarts a build if a source is updated while sources are loading", () {

124 var transformer = new RewriteTransformer("txt", "out");

125 initGraph(["app\|foo.txt", "app\|other.bar"], {"app": [[transformer]]});

126

127 // Run the whole graph so all nodes are clean.

128 updateSources(["app\|foo.txt", "app\|other.bar"]);

129 expectAsset("app\|foo.out", "foo.out");

130 expectAsset("app\|other.bar");

131

132 buildShouldSucceed();

133

134 // Make the provider slow to load a source.

135 pauseProvider();

136

137 // Update an asset that doesn't trigger any transformers.

138 updateSources(["app\|other.bar"]);

139

140 // Now update an asset that does trigger a transformer.

141 updateSources(["app\|foo.txt"]);

142

143 resumeProvider();

144

145 buildShouldSucceed();

146

147 expect(transformer.numRuns, completion(equals(2)));

148 });

149 }

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