fix(title): use defined viewTitle attrs

test/unit/angular/controller/viewController.unit.js

@@ -0,0 +1,59 @@
+describe('$ionicView controller', function() {
+  beforeEach(module('ionic'));
+  var ctrl, beforeEnterData;
+
+  function setup(attrs, scope) {
+    var viewEle;
+    var navBarCtrl = {
+      beforeEnter: function(d){ beforeEnterData = d; }
+    };
+    inject(function($rootScope, $compile){
+      var transData;
+      viewEle = angular.element('<ion-view ' + (attrs || '') + '>');
+      viewEle.data('$ionNavViewController', navBarCtrl);
+      $compile(viewEle)(scope || $rootScope);
+    });
+    ctrl = viewEle.data('$ionViewController');
+  }
+
+  it('should send no title to navBarCtrl with no view-title attr', function() {
+    setup();
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toBeUndefined();
+  });
+
+  it('should send title to navBarCtrl with view-title attr', function() {
+    setup('view-title="Sweet Caroline"');
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toEqual('Sweet Caroline')
+  });
+
+  it('should send interpolated title to navBarCtrl with view-title attr', inject(function($rootScope) {
+    var scope = $rootScope.$new();
+    scope.color = 'Blue';
+    setup('view-title="Song Sung {{ color }}"', scope);
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toEqual('Song Sung Blue')
+  }));
+
+  it('should send title to navBarCtrl with title attr', function() {
+    setup('title="Holly Holy"');
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toEqual('Holly Holy')
+  });
+
+  it('should send interpolated title to navBarCtrl with view-title attr', inject(function($rootScope) {
+    var scope = $rootScope.$new();
+    scope.name = 'Rosie';
+    setup('title="Cracklin {{ name }}"', scope);
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toEqual('Cracklin Rosie')
+  }));
+
+  it('should prioritize view-title over title', function() {
+    setup('view-title="I Am" title="I Said"');
+    ctrl.beforeEnter(null, {});
+    expect(beforeEnterData.title).toEqual('I Am')
+  });
+
+});