| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library barback.test.package_graph.lazy_asset_test; |
| |
| import 'package:barback/barback.dart'; |
| import 'package:barback/src/utils.dart'; |
| import 'package:scheduled_test/scheduled_test.dart'; |
| |
| import '../utils.dart'; |
| |
| main() { |
| initConfig(); |
| test("requesting a lazy asset should cause it to be generated", () { |
| initGraph(["app|foo.blub"], {"app": [ |
| [new LazyRewriteTransformer("blub", "blab")] |
| ]}); |
| updateSources(["app|foo.blub"]); |
| expectAsset("app|foo.blab", "foo.blab"); |
| buildShouldSucceed(); |
| }); |
| |
| test("calling getAllAssets should cause a lazy asset to be generated", () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [[transformer]]}); |
| updateSources(["app|foo.blub"]); |
| expectAllAssets(["app|foo.blub", "app|foo.blab"]); |
| buildShouldSucceed(); |
| expect(transformer.numRuns, completion(equals(1))); |
| }); |
| |
| test("requesting a lazy asset multiple times should only cause it to be " |
| "generated once", () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [[transformer]]}); |
| updateSources(["app|foo.blub"]); |
| expectAsset("app|foo.blab", "foo.blab"); |
| expectAsset("app|foo.blab", "foo.blab"); |
| expectAsset("app|foo.blab", "foo.blab"); |
| buildShouldSucceed(); |
| expect(transformer.numRuns, completion(equals(1))); |
| }); |
| |
| test("a lazy asset can be consumed by a non-lazy transformer", () { |
| initGraph(["app|foo.blub"], {"app": [ |
| [new LazyRewriteTransformer("blub", "blab")], |
| [new RewriteTransformer("blab", "blib")] |
| ]}); |
| updateSources(["app|foo.blub"]); |
| expectAsset("app|foo.blib", "foo.blab.blib"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy asset isn't eagerly compiled", () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [[transformer]]}); |
| updateSources(["app|foo.blub"]); |
| buildShouldSucceed(); |
| expect(transformer.numRuns, completion(equals(0))); |
| }); |
| |
| test("a lazy asset emitted by a group isn't eagerly compiled", () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [ |
| [new TransformerGroup([[transformer]])] |
| ]}); |
| updateSources(["app|foo.blub"]); |
| buildShouldSucceed(); |
| expect(transformer.numRuns, completion(equals(0))); |
| }); |
| |
| test("a lazy asset piped into a non-lazy transformer is eagerly compiled", |
| () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [ |
| [transformer], |
| [new RewriteTransformer("blab", "blib")] |
| ]}); |
| updateSources(["app|foo.blub"]); |
| buildShouldSucceed(); |
| expect(transformer.numRuns, completion(equals(1))); |
| }); |
| |
| // TODO(nweiz): enable these once DeclaringTransformers forward laziness |
| // properly (issue 16442). |
| // |
| // test("a lazy asset piped into a declaring transformer isn't eagerly " |
| // "compiled", () { |
| // var transformer1 = new LazyRewriteTransformer("blub", "blab"); |
| // var transformer2 = new DeclaringRewriteTransformer("blab", "blib"); |
| // initGraph(["app|foo.blub"], {"app": [ |
| // [transformer1], [transformer2] |
| // ]}); |
| // updateSources(["app|foo.blub"]); |
| // buildShouldSucceed(); |
| // expect(transformer1.numRuns, completion(equals(0))); |
| // expect(transformer2.numRuns, completion(equals(0))); |
| // }); |
| // |
| // test("a lazy asset piped into a declaring transformer is compiled " |
| // "on-demand", () { |
| // initGraph(["app|foo.blub"], {"app": [ |
| // [new LazyRewriteTransformer("blub", "blab")], |
| // [new DeclaringRewriteTransformer("blab", "blib")] |
| // ]}); |
| // updateSources(["app|foo.blub"]); |
| // expectAsset("app|foo.blib", "foo.blab.blib"); |
| // buildShouldSucceed(); |
| // }); |
| |
| test("a lazy asset works as a cross-package input", () { |
| initGraph({ |
| "pkg1|foo.blub": "foo", |
| "pkg2|a.txt": "pkg1|foo.blab" |
| }, {"pkg1": [ |
| [new LazyRewriteTransformer("blub", "blab")], |
| ], "pkg2": [ |
| [new ManyToOneTransformer("txt")] |
| ]}); |
| |
| updateSources(["pkg1|foo.blub", "pkg2|a.txt"]); |
| expectAsset("pkg2|a.out", "foo.blab"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy transformer can consume secondary inputs lazily", () { |
| initGraph({ |
| "app|a.inc": "a", |
| "app|a.txt": "a.inc" |
| }, {"app": [ |
| [new LazyManyToOneTransformer("txt")] |
| ]}); |
| |
| updateSources(["app|a.inc", "app|a.txt"]); |
| expectAsset("app|a.out", "a"); |
| buildShouldSucceed(); |
| }); |
| |
| test("once a lazy transformer is materialized, it runs eagerly afterwards", |
| () { |
| var transformer = new LazyRewriteTransformer("blub", "blab"); |
| initGraph(["app|foo.blub"], {"app": [[transformer]]}); |
| |
| updateSources(["app|foo.blub"]); |
| buildShouldSucceed(); |
| |
| // Request the asset once to force it to be materialized. |
| expectAsset("app|foo.blab", "foo.blab"); |
| buildShouldSucceed(); |
| |
| updateSources(["app|foo.blub"]); |
| buildShouldSucceed(); |
| |
| expect(transformer.numRuns, completion(equals(2))); |
| }); |
| |
| test("an error emitted in a lazy transformer's declareOutputs method is " |
| "caught and reported", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyBadTransformer("app|foo.out")] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| buildShouldFail([isTransformerException(equals(LazyBadTransformer.ERROR))]); |
| }); |
| |
| test("an error emitted in a lazy transformer's declareOuputs method prevents " |
| "it from being materialized", () { |
| var transformer = new LazyBadTransformer("app|foo.out"); |
| initGraph(["app|foo.txt"], {"app": [[transformer]]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectNoAsset("app|foo.out"); |
| buildShouldFail([isTransformerException(equals(LazyBadTransformer.ERROR))]); |
| expect(transformer.numRuns, completion(equals(0))); |
| }); |
| |
| test("a lazy transformer passes through inputs it doesn't apply to", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyRewriteTransformer("blub", "blab")] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectAsset("app|foo.txt"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy transformer passes through inputs it doesn't overwrite", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyRewriteTransformer("txt", "out")] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectAsset("app|foo.txt"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy transformer doesn't pass through inputs it overwrites", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyRewriteTransformer("txt", "txt")] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectAsset("app|foo.txt", "foo.txt"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy transformer doesn't pass through inputs it consumes", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyRewriteTransformer("txt", "out")..consumePrimary = true] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectNoAsset("app|foo.txt"); |
| buildShouldSucceed(); |
| }); |
| |
| test("a lazy transformer that doesn't apply does nothing when forced", () { |
| initGraph(["app|foo.txt"], {"app": [ |
| [new LazyRewriteTransformer("blub", "blab")] |
| ]}); |
| |
| updateSources(["app|foo.txt"]); |
| expectNoAsset("app|foo.blab"); |
| |
| // Getting all assets will force every lazy transformer. This shouldn't |
| // cause the rewrite to apply, because foo.txt isn't primary. |
| expectAllAssets(["app|foo.txt"]); |
| buildShouldSucceed(); |
| }); |
| } |