Why won't $location.path trigger a $routeChangeStart in the controller?

Question

My test has:

it("should clear the search field when the URL changes", function() {
  createController();
  $scope.init();
  $scope.searchTerm = 'some term';

  $location.path('/source');
  $rootScope.$apply();

  expect($scope.searchTerm).toBe('');
});

My controller is:

angularMoonApp.controller('SearchController', ['$scope', '$location', function ($scope, $location) {
  $scope.init = function() {
  $scope.$on('$routeChangeStart', function(next, current) {
    $scope.searchTerm = '';
  });

  }

  $scope.init();
}]);

Seems simple enough! So why won't that trigger when I Change the location in the test?

Maybe this will help: http://stackoverflow.com/questions/15990102/angularjs-route-unit-testing — aet, May 07 '14 at 18:44

score 3 · Accepted Answer · answered May 08 '14 at 01:49

You need to inject $route, since $routeChangeStart is an event triggered by $route.

angularMoonApp.controller('SearchController', ['$scope', '$location', '$route', function ($scope, $location, $route) {

Without knowing your use case, if you just need to detect that the url changed, you can listen for $locationChangeStart instead. $locationChangeStart is fired from $location, so you would not need to inject any new dependencies.

Why won't $location.path trigger a $routeChangeStart in the controller?

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