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'use strict';
describe('ngIf', function () {
var $scope, $compile, element;
beforeEach(inject(function ($rootScope, _$compile_) {
$scope = $rootScope.$new();
$compile = _$compile_;
element = $compile('<div></div>')($scope);
}));
afterEach(function () {
dealoc(element);
});
function makeIf(expr) {
element.append($compile('<div class="my-class" ng-if="' + expr + '"><div>Hi</div></div>')($scope));
$scope.$apply();
}
it('should immediately remove element if condition is false', function () {
makeIf('false');
expect(element.children().length).toBe(0);
});
it('should leave the element if condition is true', function () {
makeIf('true');
expect(element.children().length).toBe(1);
});
it('should create then remove the element if condition changes', function () {
$scope.hello = true;
makeIf('hello');
expect(element.children().length).toBe(1);
$scope.$apply('hello = false');
expect(element.children().length).toBe(0);
});
it('should create a new scope', function () {
$scope.$apply('value = true');
element.append($compile(
'<div ng-if="value"><span ng-init="value=false"></span></div>'
)($scope));
$scope.$apply();
expect(element.children('div').length).toBe(1);
});
it('should play nice with other elements beside it', function () {
$scope.values = [1, 2, 3, 4];
element.append($compile(
'<div ng-repeat="i in values"></div>' +
'<div ng-if="values.length==4"></div>' +
'<div ng-repeat="i in values"></div>'
)($scope));
$scope.$apply();
expect(element.children().length).toBe(9);
$scope.$apply('values.splice(0,1)');
expect(element.children().length).toBe(6);
$scope.$apply('values.push(1)');
expect(element.children().length).toBe(9);
});
it('should restore the element to its compiled state', function() {
$scope.value = true;
makeIf('value');
expect(element.children().length).toBe(1);
jqLite(element.children()[0]).removeClass('my-class');
expect(element.children()[0].className).not.toContain('my-class');
$scope.$apply('value = false');
expect(element.children().length).toBe(0);
$scope.$apply('value = true');
expect(element.children().length).toBe(1);
expect(element.children()[0].className).toContain('my-class');
});
});
describe('ngIf animations', function () {
var body, element, $rootElement;
function html(html) {
$rootElement.html(html);
element = $rootElement.children().eq(0);
return element;
}
beforeEach(module('mock.animate'));
beforeEach(module(function() {
// we need to run animation on attached elements;
return function(_$rootElement_) {
$rootElement = _$rootElement_;
body = jqLite(document.body);
body.append($rootElement);
};
}));
afterEach(function(){
dealoc(body);
dealoc(element);
});
beforeEach(module(function($animateProvider, $provide) {
return function($animate) {
$animate.enabled(true);
};
}));
it('should fire off the enter animation',
inject(function($compile, $rootScope, $animate) {
var item;
var $scope = $rootScope.$new();
element = $compile(html(
'<div>' +
'<div ng-if="value"><div>Hi</div></div>' +
'</div>'
))($scope);
$rootScope.$digest();
$scope.$apply('value = true');
item = $animate.process('enter').element;
expect(item.text()).toBe('Hi');
expect(element.children().length).toBe(1);
}));
it('should fire off the leave animation',
inject(function ($compile, $rootScope, $animate) {
var item;
var $scope = $rootScope.$new();
element = $compile(html(
'<div>' +
'<div ng-if="value"><div>Hi</div></div>' +
'</div>'
))($scope);
$scope.$apply('value = true');
item = $animate.process('enter').element;
expect(item.text()).toBe('Hi');
$scope.$apply('value = false');
expect(element.children().length).toBe(1);
item = $animate.process('leave').element;
expect(item.text()).toBe('Hi');
expect(element.children().length).toBe(0);
}));
});
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