test(tabs): verify no ink behavior

 - add test to verify no ink
 - fix issue where no-ink did not do anything.

ng2-material/components/tabs/tabs.ts

@@ -9,6 +9,7 @@ import {NgFor} from "angular2/common";
 import {Host} from "angular2/core";
 import {SkipSelf} from "angular2/core";
 import {Query} from "angular2/core";
+import {ElementRef} from "angular2/core";
 
 
 // TODO: behaviors to test
@@ -89,6 +90,7 @@ export class MdTabs {
   @Input() mdNoScroll: boolean = false;
 
   constructor(@Query(MdTab) public panes: QueryList<MdTab>,
+              private _element: ElementRef,
               @Attribute('mdNoScroll') noScroll: string) {
     this.mdNoScroll = isPresent(noScroll);
     this.panes.changes.subscribe((_) => {
@@ -134,7 +136,7 @@ export class MdTabs {
   }
 
   onTabClick(pane: MdTab, event?) {
-    if (event && Ink.canApply(event.target)) {
+    if (event && Ink.canApply(this._element.nativeElement)) {
       Ink.rippleEvent(event.target, event);
     }
     this.selectedTab = pane;

test/components/tabs/tabs_spec.ts

@@ -18,6 +18,7 @@ import {ComponentFixture} from "angular2/testing";
 import {CORE_DIRECTIVES} from "angular2/common";
 import {findChildrenByAttribute,findChildrenByTag,findChildByTag} from "../../util";
 import {TimerWrapper} from "angular2/src/facade/async";
+import {Ink} from "../../../ng2-material/core/util/ink";
 
 
 export function main() {
@@ -117,6 +118,26 @@ export function main() {
           async.done();
         });
       }));
+
+      it('md-tabs[md-no-ink] should not ripple', inject([AsyncTestCompleter], (async) => {
+        let template = `
+          <md-tabs md-no-ink [selected]="selectedIndex">
+            <template md-tab label="Tab1"><span>Tab1</span></template>
+          </md-tabs>`;
+
+        setup(template).then((api: ITabsFixture) => {
+          let save = Ink.rippleEvent;
+          let fired = false;
+          Ink.rippleEvent = () => {
+            fired = true;
+            return Promise.resolve();
+          };
+          api.tabButtons[0].click();
+          expect(fired).toBe(false);
+          Ink.rippleEvent = save;
+          async.done();
+        });
+      }));
     });
   });