Only pass an AssetId to isPrimary and declareOutputs.

pkg/barback/test/transformer_test.dart

Index: pkg/barback/test/transformer_test.dart
diff --git a/pkg/barback/test/transformer_test.dart b/pkg/barback/test/transformer_test.dart
index 902e140918511d0259742cb8b8fb1bfc73ee88ae..3eb83a16dab0b9e2fd97d1b64e10494dfd3352e0 100644
--- a/pkg/barback/test/transformer_test.dart
+++ b/pkg/barback/test/transformer_test.dart
@@ -17,23 +17,25 @@ main() {
   group("isPrimary", () {
     test("defaults to allowedExtensions", () {
       var transformer = new ExtensionTransformer(".txt .bin");
-      expect(transformer.isPrimary(makeAsset("foo.txt")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.txt")),
           completion(isTrue));
 
-      expect(transformer.isPrimary(makeAsset("foo.bin")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.bin")),
           completion(isTrue));
 
-      expect(transformer.isPrimary(makeAsset("foo.nottxt")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.nottxt")),
           completion(isFalse));
     });
 
     test("supports multi-level extensions with allowedExtensions", () {
       var transformer = new ExtensionTransformer(".dart.js");
-      expect(transformer.isPrimary(makeAsset("foo.dart.js")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.dart.js")),
           completion(isTrue));
 
-      expect(transformer.isPrimary(makeAsset("foo.js")), completion(isFalse));
-      expect(transformer.isPrimary(makeAsset("foo.dart")), completion(isFalse));
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.js")),
+          completion(isFalse));
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.dart")),
+          completion(isFalse));
     });
 
     test("throws an error for extensions without periods", () {
@@ -42,21 +44,18 @@ main() {
 
     test("allows all files if allowedExtensions is not overridden", () {
       var transformer = new MockTransformer();
-      expect(transformer.isPrimary(makeAsset("foo.txt")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.txt")),
           completion(isTrue));
 
-      expect(transformer.isPrimary(makeAsset("foo.bin")),
+      expect(transformer.isPrimary(new AssetId("pkg", "foo.bin")),
           completion(isTrue));
 
-      expect(transformer.isPrimary(makeAsset("anything")),
+      expect(transformer.isPrimary(new AssetId("pkg", "anything")),
           completion(isTrue));
     });
   });
 }
 
-Asset makeAsset(String path) =>
-    new Asset.fromString(new AssetId.parse("app|$path"), "");
-
 class MockTransformer extends Transformer {
   MockTransformer();