Basic NavController with Tests

hacking/NavController.unit.js

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+describe('NavController', function() {
+  var ctrl;
+
+  beforeEach(function() {
+    ctrl = new NavController({
+      navBar: new NavBar()
+    });
+  });
+
+  it('Should load controllers', function() {
+    ctrl = new NavController({
+      controllers: [{}]
+    });
+    expect(ctrl.getControllers().length).toEqual(1);
+  });
+
+  it('Should push controller', function() {
+    ctrl.push({
+      title: 'Page 1'
+    });
+    expect(ctrl.getControllers().length).toEqual(1);
+    ctrl.push({
+      title: 'Page 2'
+    });
+    expect(ctrl.getControllers().length).toEqual(2);
+    var last = ctrl.pop();
+    expect(ctrl.getControllers().length).toEqual(1);
+    expect(last.title).toEqual('Page 2');
+  });
+
+  it('Should change top view controller', function() {
+    expect(ctrl.getTopController()).toBe(undefined);
+    var c1 = {
+      title: 'Page 1'
+    };
+    var c2 = {
+      title: 'Page 2'
+    };
+    ctrl.push(c1);
+    expect(ctrl.getTopController()).toEqual(c1);
+    ctrl.push(c2);
+    expect(ctrl.getTopController()).toEqual(c2);
+    ctrl.pop();
+    expect(ctrl.getTopController()).toEqual(c1);
+    ctrl.pop();
+    expect(ctrl.getTopController()).toEqual(undefined);
+  });
+});