fix(DirectiveMetadata): add support for events, changeDetection

modules/angular2/test/render/dom/convert_spec.ts

@@ -22,7 +22,9 @@ export function main() {
         callOnChange: true,
         callOnCheck: true,
         callOnInit: true,
-        callOnAllChangesDone: true
+        callOnAllChangesDone: true,
+        events: ['onFoo', 'onBar'],
+        changeDetection: 'CHECK_ONCE'
       });
       var map = directiveMetadataToMap(someComponent);
       expect(MapWrapper.get(map, 'compileChildren')).toEqual(false);
@@ -45,6 +47,8 @@ export function main() {
       expect(MapWrapper.get(map, 'callOnInit')).toEqual(true);
       expect(MapWrapper.get(map, 'callOnAllChangesDone')).toEqual(true);
       expect(MapWrapper.get(map, 'exportAs')).toEqual('aaa');
+      expect(MapWrapper.get(map, 'events')).toEqual(['onFoo', 'onBar']);
+      expect(MapWrapper.get(map, 'changeDetection')).toEqual('CHECK_ONCE');
     });
 
     it('mapToDirectiveMetadata', () => {
@@ -64,7 +68,9 @@ export function main() {
         ['callOnCheck', true],
         ['callOnInit', true],
         ['callOnChange', true],
-        ['callOnAllChangesDone', true]
+        ['callOnAllChangesDone', true],
+        ['events', ['onFoo', 'onBar']],
+        ['changeDetection', 'CHECK_ONCE']
       ]);
       var meta = directiveMetadataFromMap(map);
       expect(meta.compileChildren).toEqual(false);
@@ -83,6 +89,8 @@ export function main() {
       expect(meta.callOnInit).toEqual(true);
       expect(meta.callOnChange).toEqual(true);
       expect(meta.callOnAllChangesDone).toEqual(true);
+      expect(meta.events).toEqual(['onFoo', 'onBar']);
+      expect(meta.changeDetection).toEqual('CHECK_ONCE');
     });
   });
 }

modules/angular2/test/transform/directive_metadata_extractor/all_tests.dart

@@ -109,6 +109,18 @@ void allTests() {
       expect(metadata.callOnAllChangesDone).toBe(true);
     });
 
+    it('should parse events.', () async {
+      var metadata = await readMetadata('directive_metadata_extractor/'
+          'directive_metadata_files/events.ng_deps.dart');
+      expect(metadata.events).toEqual(['onFoo', 'onBar']);
+    });
+
+    it('should parse changeDetection.', () async {
+      var metadata = await readMetadata('directive_metadata_extractor/'
+          'directive_metadata_files/changeDetection.ng_deps.dart');
+      expect(metadata.changeDetection).toEqual('CHECK_ONCE');
+    });
+
     it('should fail when a class is annotated with multiple Directives.',
         () async {
       var ngDeps = await NgDeps.parse(reader, new AssetId('a',

modules/angular2/test/transform/directive_metadata_extractor/directive_metadata_files/changeDetection.ng_deps.dart

@@ -0,0 +1,29 @@
+library examples.hello_world.index_common_dart.ng_deps.dart;
+
+import 'hello.dart';
+import 'package:angular2/angular2.dart'
+    show
+        bootstrap,
+        Component,
+        Directive,
+        View,
+        NgElement,
+        onChange,
+        onDestroy,
+        onInit,
+        onCheck,
+        onAllChangesDone;
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(HelloCmp, {
+      'factory': () => new HelloCmp(),
+      'parameters': const [const []],
+      'annotations': const [
+        const Component(changeDetection: 'CHECK_ONCE')
+      ]
+    });
+}

modules/angular2/test/transform/directive_metadata_extractor/directive_metadata_files/events.ng_deps.dart

@@ -0,0 +1,29 @@
+library examples.hello_world.index_common_dart.ng_deps.dart;
+
+import 'hello.dart';
+import 'package:angular2/angular2.dart'
+    show
+        bootstrap,
+        Component,
+        Directive,
+        View,
+        NgElement,
+        onChange,
+        onDestroy,
+        onInit,
+        onCheck,
+        onAllChangesDone;
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(HelloCmp, {
+      'factory': () => new HelloCmp(),
+      'parameters': const [const []],
+      'annotations': const [
+        const Component(events: ['onFoo', 'onBar'])
+      ]
+    });
+}

modules/angular2/test/transform/integration/simple_annotation_files/expected/bar.ng_meta.json

@@ -16,6 +16,8 @@
     "callOnInit": false,
     "callOnChange": false,
     "callOnAllChangesDone": false,
+    "events": [],
+    "changeDetection": null,
     "version": 1
   }
 }