Roll to pickup pool changes

packages/barback/test/package_graph/lazy_transformer_test.dart

 // 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")]
-    ]});
+    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]]});
+    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 "
+  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]]});
+    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")]
-    ]});
+    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]]});
+    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]])]
-    ]});
+    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")]
-    ]});
+    initGraph([
+      "app|foo.blub"
+    ], {
+      "app": [
+        [transformer],
+        [new RewriteTransformer("blab", "blib")]
+      ]
+    });
     updateSources(["app|foo.blub"]);
     buildShouldSucceed();
     expect(transformer.numRuns, completion(equals(1)));
   });
 
-  test("a lazy asset piped into a declaring transformer isn't eagerly "
+  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]
-    ]});
+    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 "
+  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")]
-    ]});
+    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 piped through many declaring transformers isn't eagerly "
+  test(
+      "a lazy asset piped through many declaring transformers isn't eagerly "
       "compiled", () {
     var transformer1 = new LazyRewriteTransformer("one", "two");
     var transformer2 = new DeclaringRewriteTransformer("two", "three");
     var transformer3 = new DeclaringRewriteTransformer("three", "four");
     var transformer4 = new DeclaringRewriteTransformer("four", "five");
-    initGraph(["app|foo.one"], {"app": [
-      [transformer1], [transformer2], [transformer3], [transformer4]
-    ]});
+    initGraph([
+      "app|foo.one"
+    ], {
+      "app": [
+        [transformer1],
+        [transformer2],
+        [transformer3],
+        [transformer4]
+      ]
+    });
     updateSources(["app|foo.one"]);
     buildShouldSucceed();
     expect(transformer1.numRuns, completion(equals(0)));
     expect(transformer2.numRuns, completion(equals(0)));
     expect(transformer3.numRuns, completion(equals(0)));
     expect(transformer4.numRuns, completion(equals(0)));
   });
 
-  test("a lazy asset piped through many declaring transformers is compiled "
+  test(
+      "a lazy asset piped through many declaring transformers is compiled "
       "on-demand", () {
-    initGraph(["app|foo.one"], {"app": [
-      [new LazyRewriteTransformer("one", "two")],
-      [new DeclaringRewriteTransformer("two", "three")],
-      [new DeclaringRewriteTransformer("three", "four")],
-      [new DeclaringRewriteTransformer("four", "five")]
-    ]});
+    initGraph([
+      "app|foo.one"
+    ], {
+      "app": [
+        [new LazyRewriteTransformer("one", "two")],
+        [new DeclaringRewriteTransformer("two", "three")],
+        [new DeclaringRewriteTransformer("three", "four")],
+        [new DeclaringRewriteTransformer("four", "five")]
+      ]
+    });
     updateSources(["app|foo.one"]);
     expectAsset("app|foo.five", "foo.two.three.four.five");
     buildShouldSucceed();
   });
 
-  test("a lazy asset piped into a non-lazy transformer that doesn't use its "
+  test(
+      "a lazy asset piped into a non-lazy transformer that doesn't use its "
       "outputs isn't eagerly compiled", () {
     var transformer = new LazyRewriteTransformer("blub", "blab");
-    initGraph(["app|foo.blub"], {"app": [
-      [transformer],
-      [new RewriteTransformer("txt", "out")]
-    ]});
+    initGraph([
+      "app|foo.blub"
+    ], {
+      "app": [
+        [transformer],
+        [new RewriteTransformer("txt", "out")]
+      ]
+    });
     updateSources(["app|foo.blub"]);
     buildShouldSucceed();
     expect(transformer.numRuns, completion(equals(0)));
   });
 
-  test("a lazy asset piped into a non-lazy transformer that doesn't use its "
+  test(
+      "a lazy asset piped into a non-lazy transformer that doesn't use its "
       "outputs is compiled on-demand", () {
-    initGraph(["app|foo.blub"], {"app": [
-      [new LazyRewriteTransformer("blub", "blab")],
-      [new RewriteTransformer("txt", "out")]
-    ]});
+    initGraph([
+      "app|foo.blub"
+    ], {
+      "app": [
+        [new LazyRewriteTransformer("blub", "blab")],
+        [new RewriteTransformer("txt", "out")]
+      ]
+    });
     updateSources(["app|foo.blub"]);
     expectAsset("app|foo.blab", "foo.blab");
     buildShouldSucceed();
   });
 
-  test("a lazy transformer followed by a non-lazy transformer is re-run "
+  test(
+      "a lazy transformer followed by a non-lazy transformer is re-run "
       "eagerly", () {
     var rewrite = new LazyRewriteTransformer("one", "two");
-    initGraph(["app|foo.one"], {"app": [
-      [rewrite],
-      [new RewriteTransformer("two", "three")]
-    ]});
+    initGraph([
+      "app|foo.one"
+    ], {
+      "app": [
+        [rewrite],
+        [new RewriteTransformer("two", "three")]
+      ]
+    });
 
     updateSources(["app|foo.one"]);
     expectAsset("app|foo.three", "foo.two.three");
     buildShouldSucceed();
 
     updateSources(["app|foo.one"]);
     buildShouldSucceed();
 
     expect(rewrite.numRuns, completion(equals(2)));
   });
 
-  test("a lazy transformer followed by a declaring transformer isn't re-run "
+  test(
+      "a lazy transformer followed by a declaring transformer isn't re-run "
       "eagerly", () {
     var rewrite = new LazyRewriteTransformer("one", "two");
-    initGraph(["app|foo.one"], {"app": [
-      [rewrite],
-      [new DeclaringRewriteTransformer("two", "three")]
-    ]});
+    initGraph([
+      "app|foo.one"
+    ], {
+      "app": [
+        [rewrite],
+        [new DeclaringRewriteTransformer("two", "three")]
+      ]
+    });
 
     updateSources(["app|foo.one"]);
     expectAsset("app|foo.three", "foo.two.three");
     buildShouldSucceed();
 
     updateSources(["app|foo.one"]);
     buildShouldSucceed();
 
     expect(rewrite.numRuns, completion(equals(1)));
   });
 
-  test("a declaring transformer added after a materialized lazy transformer "
+  test(
+      "a declaring transformer added after a materialized lazy transformer "
       "is still deferred", () {
     var lazy = new LazyRewriteTransformer("one", "two");
     var declaring = new DeclaringRewriteTransformer("two", "three");
-    initGraph(["app|foo.one"], {"app": [[lazy]]});
+    initGraph([
+      "app|foo.one"
+    ], {
+      "app": [
+        [lazy]
+      ]
+    });
 
     updateSources(["app|foo.one"]);
     expectAsset("app|foo.two", "foo.two");
     buildShouldSucceed();
 
-    updateTransformers("app", [[lazy], [declaring]]);
+    updateTransformers("app", [
+      [lazy],
+      [declaring]
+    ]);
     expectAsset("app|foo.three", "foo.two.three");
     buildShouldSucceed();
 
     updateSources(["app|foo.one"]);
     buildShouldSucceed();
 
     expect(lazy.numRuns, completion(equals(1)));
     expect(declaring.numRuns, completion(equals(1)));
   });
 
   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")]
-    ]});
+    }, {
+      "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")]
-    ]});
+    }, {
+      "app": [
+        [new LazyManyToOneTransformer("txt")]
+      ]
+    });
 
     updateSources(["app|a.inc", "app|a.txt"]);
     expectAsset("app|a.out", "a");
     buildShouldSucceed();
   });
 
   test("after being materialized a lazy transformer is still lazy", () {
     var transformer = new LazyRewriteTransformer("blub", "blab");
-    initGraph(["app|foo.blub"], {"app": [[transformer]]});
+    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(1)));
   });
 
   test("after being materialized a lazy transformer can be materialized again",
       () {
     var transformer = new LazyRewriteTransformer("blub", "blab");
-    initGraph(["app|foo.blub"], {"app": [[transformer]]});
+    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();
 
     modifyAsset("app|foo.blub", "bar");
     updateSources(["app|foo.blub"]);
     expectAsset("app|foo.blab", "bar.blab");
     buildShouldSucceed();
   });
 
-  test("an error emitted in a lazy transformer's declareOutputs method is "
+  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")]
-    ]});
+    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 "
+  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]]});
+    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")]
-    ]});
+    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")]
-    ]});
+    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")]
-    ]});
+    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]
-    ]});
+    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")]
-    ]});
+    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();
   });
 
-  test("a lazy transformer that generates fewer outputs than it declares is "
+  test(
+      "a lazy transformer that generates fewer outputs than it declares is "
       "forced when a declared but ungenerated output is requested", () {
-    initGraph({"app|foo.txt": "no"}, {"app": [
-      [new LazyCheckContentAndRenameTransformer(
-          oldExtension: "txt", oldContent: "yes",
-          newExtension: "out", newContent: "done")]
-    ]});
+    initGraph({
+      "app|foo.txt": "no"
+    }, {
+      "app": [
+        [
+          new LazyCheckContentAndRenameTransformer(
+              oldExtension: "txt",
+              oldContent: "yes",
+              newExtension: "out",
+              newContent: "done")
+        ]
+      ]
+    });
 
     updateSources(["app|foo.txt"]);
     expectNoAsset("app|foo.out");
     buildShouldSucceed();
 
     modifyAsset("app|foo.txt", "yes");
     updateSources(["app|foo.txt"]);
     expectAsset("app|foo.out", "done");
     buildShouldSucceed();
   });
 
   // Regression tests.
 
   test("a lazy transformer that doesn't apply updates its passed-through asset",
       () {
-    initGraph(["app|foo.txt"], {"app": [
-      [new LazyRewriteTransformer("blub", "blab")]
-    ]});
+    initGraph([
+      "app|foo.txt"
+    ], {
+      "app": [
+        [new LazyRewriteTransformer("blub", "blab")]
+      ]
+    });
 
     // Pause the provider so that the transformer will start forwarding the
     // asset while it's dirty.
     pauseProvider();
     updateSources(["app|foo.txt"]);
     expectAssetDoesNotComplete("app|foo.txt");
 
     resumeProvider();
     expectAsset("app|foo.txt", "foo");
     buildShouldSucceed();
 
     modifyAsset("app|foo.txt", "bar");
     updateSources(["app|foo.txt"]);
     expectAsset("app|foo.txt", "bar");
     buildShouldSucceed();
   });
 
-  test("a lazy transformer is forced while the previous lazy transformer is "
+  test(
+      "a lazy transformer is forced while the previous lazy transformer is "
       "available, then the previous transformer becomes unavailable", () {
     var assets = new LazyAssetsTransformer(["app|out.one", "app|out.two"]);
     var rewrite = new LazyRewriteTransformer("two", "three");
-    initGraph(["app|foo.in"], {"app": [[assets], [rewrite]]});
+    initGraph([
+      "app|foo.in"
+    ], {
+      "app": [
+        [assets],
+        [rewrite]
+      ]
+    });
 
     updateSources(["app|foo.in"]);
     // Request out.one so that [assets] runs but the second does not.
     expectAsset("app|out.one", "app|out.one");
     buildShouldSucceed();
 
     // Start the [rewrite] running. The output from [assets] should still be
     // available.
     rewrite.pauseApply();
     expectAssetDoesNotComplete("app|out.three");
 
     // Mark [assets] as dirty. It should re-run, since [rewrite] still needs its
     // input.
     updateSources(["app|foo.in"]);
     rewrite.resumeApply();
 
     expectAsset("app|out.three", "app|out.two.three");
     buildShouldSucceed();
 
     // [assets] should run once for each time foo.in was updated.
     expect(assets.numRuns, completion(equals(2)));
 
     // [rewrite] should run once against [assets]'s original output and once
     // against its new output.
     expect(rewrite.numRuns, completion(equals(2)));
   });
 }