Adding Angular and dependent packages for testing

third_party/pkg/angular/test/directive/ng_template_spec.dart

+library ng_template_spec;
+
+import '../_specs.dart';
+
+main() {
+  describe('NgTemplateDirective', () {
+    TestBed _;
+    var element;
+
+    they(should, htmlForElements, callback) {
+      htmlForElements.forEach((html) {
+        var tagName = html.contains('<template') ? 'template' : 'script';
+        describe('$tagName[type="text/ng-template"]', () {
+          beforeEach(inject((TestBed tb) => _ = tb));
+          it(should, () {
+             element = $(html);
+             inject(callback);
+           });
+        });
+      });
+    }
+
+    they('should populate TemplateCache with contents of a ng-template template element',
+      [ // <template>
+        '<div>foo' +
+          '<template id="/ignore">ignore me</template>' +
+          '<template type="text/ng-template" id="/myTemplate.html"><x>{{y}}</x></template>' +
+        '</div>',
+        // <script>
+        '<div>foo' +
+          '<script id="/ignore">ignore me</script>' +
+          '<script type="text/ng-template" id="/myTemplate.html"><x>{{y}}</x></script>' +
+        '</div>'],
+      (Injector injector, Compiler compiler, TemplateCache templateCache) {
+        compiler(element)(injector, element);
+        expect(templateCache.get('/ignore')).toBeNull();
+        expect(templateCache.get('/myTemplate.html').responseText).toEqual('<x>{{y}}</x>');
+      }
+    );
+
+    they('should not compile template elements',
+      [ // <template>
+        '<div>foo' +
+          '<template type="text/javascript">some {{binding}} <div></div></template>' +
+          '<template type="text/ng-template" id="/some">other {{binding}} <div></div></template>' +
+        '</div>',
+        // <script>
+        '<div>foo' +
+          '<script type="text/javascript">some {{binding}} <div></div></script>' +
+          '<script type="text/ng-template" id="/some">other {{binding}} <div></div></script>' +
+        '</div>'],
+      (Injector injector, Compiler compiler, TemplateCache templateCache, Scope scope) {
+        var templates = element.contents();
+        compiler(element)(injector, element);
+
+        microLeap();
+        // This binding should have been left alone (i.e. not interpolated).
+        expect(templates[2].innerHtml).toEqual('other {{binding}} <div></div>');
+      }
+    );
+  });
+}