NavController tests

ionic/components/nav/test/nav-controller.spec.ts

@@ -0,0 +1,65 @@
+import {
+  NavController,
+  IonicConfig,
+  ViewController
+} from 'ionic/ionic';
+
+export function run() {
+  describe("NavController", function(){
+    beforeEach( function(){
+      this.nav = new NavController(null, null, new IonicConfig(), null, null, null, null, null);
+    });
+
+    it('should exist', function(){
+      expect(this.nav).not.toBeUndefined();
+    });
+
+    describe("getActive", function(){
+      it('should return null if there is no active view', function(){
+        var active = this.nav.getActive();
+        expect(active).toBe(null);
+      });
+
+      it('should return the first active page', function(){
+        let activeView = new ViewController();
+        activeView.state = 1; // ACTIVE_STATE
+
+        this.nav.add(activeView);
+        var active = this.nav.getActive();
+
+        expect(active).toBe(activeView);
+      });
+    });
+
+    describe("push", function(){
+      it('should return a rejected Promise if componentType is falsy', function(done){
+        let s = jasmine.createSpy('success');
+        let f = jasmine.createSpy('fail');
+
+        let promise = this.nav.push(undefined, {}, {});
+
+        promise.then(s, f).then(() => {
+          expect(s).not.toHaveBeenCalled();
+          expect(f).toHaveBeenCalled();
+          done();
+        });
+      });
+
+      it('should throw an error if componentType truthy, but is not a function', function(){
+        let push = () => this.nav.push({}, {}, {});
+        expect(push).toThrow();
+
+        push = () => this.nav.push("string", {}, {});
+        expect(push).toThrow();
+
+        push = () => this.nav.push(42, {}, {});
+        expect(push).toThrow();
+
+        push = () => this.nav.push(true, {}, {});
+        expect(push).toThrow();
+      });
+
+    })
+  });
+
+}