angular.js/test/directivesSpec.js

544 lines
20 KiB
JavaScript

'use strict';
describe("directive", function() {
var $filterProvider;
beforeEach(module(['$filterProvider', function(provider){
$filterProvider = provider;
}]));
it("should ng:init", inject(function($rootScope, $compile) {
var element = $compile('<div ng:init="a=123"></div>')($rootScope);
expect($rootScope.a).toEqual(123);
}));
describe('ng:bind', function() {
it('should set text', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind="a"></div>')($rootScope);
expect(element.text()).toEqual('');
$rootScope.a = 'misko';
$rootScope.$digest();
expect(element.hasClass('ng-binding')).toEqual(true);
expect(element.text()).toEqual('misko');
}));
it('should set text to blank if undefined', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind="a"></div>')($rootScope);
$rootScope.a = 'misko';
$rootScope.$digest();
expect(element.text()).toEqual('misko');
$rootScope.a = undefined;
$rootScope.$digest();
expect(element.text()).toEqual('');
}));
it('should set html', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind="html|html"></div>')($rootScope);
$rootScope.html = '<div unknown>hello</div>';
$rootScope.$digest();
expect(lowercase(element.html())).toEqual('<div>hello</div>');
}));
it('should set unsafe html', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind="html|html:\'unsafe\'"></div>')($rootScope);
$rootScope.html = '<div onclick="">hello</div>';
$rootScope.$digest();
expect(lowercase(element.html())).toEqual('<div onclick="">hello</div>');
}));
it('should set element element', inject(function($rootScope, $compile) {
$filterProvider.register('myElement', valueFn(function() {
return jqLite('<a>hello</a>');
}));
var element = $compile('<div ng:bind="0|myElement"></div>')($rootScope);
$rootScope.$digest();
expect(lowercase(element.html())).toEqual('<a>hello</a>');
}));
it('should suppress rendering of falsy values', inject(function($rootScope, $compile) {
var element = $compile('<div>{{ null }}{{ undefined }}{{ "" }}-{{ 0 }}{{ false }}</div>')($rootScope);
$rootScope.$digest();
expect(element.text()).toEqual('-0false');
}));
it('should render object as JSON ignore $$', inject(function($rootScope, $compile) {
var element = $compile('<div>{{ {key:"value", $$key:"hide"} }}</div>')($rootScope);
$rootScope.$digest();
expect(fromJson(element.text())).toEqual({key:'value'});
}));
});
describe('ng:bind-template', function() {
it('should ng:bind-template', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind-template="Hello {{name}}!"></div>')($rootScope);
$rootScope.name = 'Misko';
$rootScope.$digest();
expect(element.hasClass('ng-binding')).toEqual(true);
expect(element.text()).toEqual('Hello Misko!');
}));
it('should have $element set to current bind element', inject(function($rootScope, $compile) {
var innerText;
$filterProvider.register('myFilter', valueFn(function(text) {
innerText = innerText || this.$element.text();
return text;
}));
var element = $compile('<div>before<span ng:bind-template="{{\'HELLO\'|myFilter}}">INNER</span>after</div>')($rootScope);
$rootScope.$digest();
expect(element.text()).toEqual("beforeHELLOafter");
expect(innerText).toEqual('INNER');
}));
it('should render object as JSON ignore $$', inject(function($rootScope, $compile) {
var element = $compile('<pre>{{ {key:"value", $$key:"hide"} }}</pre>')($rootScope);
$rootScope.$digest();
expect(fromJson(element.text())).toEqual({key:'value'});
}));
});
describe('ng:bind-attr', function() {
it('should bind attributes', inject(function($rootScope, $compile) {
var element = $compile('<div ng:bind-attr="{src:\'http://localhost/mysrc\', alt:\'myalt\'}"/>')($rootScope);
$rootScope.$digest();
expect(element.attr('src')).toEqual('http://localhost/mysrc');
expect(element.attr('alt')).toEqual('myalt');
}));
it('should not pretty print JSON in attributes', inject(function($rootScope, $compile) {
var element = $compile('<img alt="{{ {a:1} }}"/>')($rootScope);
$rootScope.$digest();
expect(element.attr('alt')).toEqual('{"a":1}');
}));
});
it('should remove special attributes on false', inject(function($rootScope, $compile) {
var element = $compile('<input ng:bind-attr="{disabled:\'{{disabled}}\', readonly:\'{{readonly}}\', checked:\'{{checked}}\'}"/>')($rootScope);
var input = element[0];
expect(input.disabled).toEqual(false);
expect(input.readOnly).toEqual(false);
expect(input.checked).toEqual(false);
$rootScope.disabled = true;
$rootScope.readonly = true;
$rootScope.checked = true;
$rootScope.$digest();
expect(input.disabled).toEqual(true);
expect(input.readOnly).toEqual(true);
expect(input.checked).toEqual(true);
}));
describe('ng:click', function() {
it('should get called on a click', inject(function($rootScope, $compile) {
var element = $compile('<div ng:click="clicked = true"></div>')($rootScope);
$rootScope.$digest();
expect($rootScope.clicked).toBeFalsy();
browserTrigger(element, 'click');
expect($rootScope.clicked).toEqual(true);
}));
it('should stop event propagation', inject(function($rootScope, $compile) {
var element = $compile('<div ng:click="outer = true"><div ng:click="inner = true"></div></div>')($rootScope);
$rootScope.$digest();
expect($rootScope.outer).not.toBeDefined();
expect($rootScope.inner).not.toBeDefined();
var innerDiv = element.children()[0];
browserTrigger(innerDiv, 'click');
expect($rootScope.outer).not.toBeDefined();
expect($rootScope.inner).toEqual(true);
}));
});
describe('ng:submit', function() {
it('should get called on form submit', inject(function($rootScope, $compile) {
var element = $compile('<form action="" ng:submit="submitted = true">' +
'<input type="submit"/>' +
'</form>')($rootScope);
$rootScope.$digest();
expect($rootScope.submitted).not.toBeDefined();
browserTrigger(element.children()[0]);
expect($rootScope.submitted).toEqual(true);
}));
});
describe('ng:class', function() {
it('should add new and remove old classes dynamically', inject(function($rootScope, $compile) {
var element = $compile('<div class="existing" ng:class="dynClass"></div>')($rootScope);
$rootScope.dynClass = 'A';
$rootScope.$digest();
expect(element.hasClass('existing')).toBe(true);
expect(element.hasClass('A')).toBe(true);
$rootScope.dynClass = 'B';
$rootScope.$digest();
expect(element.hasClass('existing')).toBe(true);
expect(element.hasClass('A')).toBe(false);
expect(element.hasClass('B')).toBe(true);
delete $rootScope.dynClass;
$rootScope.$digest();
expect(element.hasClass('existing')).toBe(true);
expect(element.hasClass('A')).toBe(false);
expect(element.hasClass('B')).toBe(false);
}));
it('should support adding multiple classes via an array', inject(function($rootScope, $compile) {
var element = $compile('<div class="existing" ng:class="[\'A\', \'B\']"></div>')($rootScope);
$rootScope.$digest();
expect(element.hasClass('existing')).toBeTruthy();
expect(element.hasClass('A')).toBeTruthy();
expect(element.hasClass('B')).toBeTruthy();
}));
it('should support adding multiple classes via a space delimited string', inject(function($rootScope, $compile) {
var element = $compile('<div class="existing" ng:class="\'A B\'"></div>')($rootScope);
$rootScope.$digest();
expect(element.hasClass('existing')).toBeTruthy();
expect(element.hasClass('A')).toBeTruthy();
expect(element.hasClass('B')).toBeTruthy();
}));
it('should preserve class added post compilation with pre-existing classes', inject(function($rootScope, $compile) {
var element = $compile('<div class="existing" ng:class="dynClass"></div>')($rootScope);
$rootScope.dynClass = 'A';
$rootScope.$digest();
expect(element.hasClass('existing')).toBe(true);
// add extra class, change model and eval
element.addClass('newClass');
$rootScope.dynClass = 'B';
$rootScope.$digest();
expect(element.hasClass('existing')).toBe(true);
expect(element.hasClass('B')).toBe(true);
expect(element.hasClass('newClass')).toBe(true);
}));
it('should preserve class added post compilation without pre-existing classes"', inject(function($rootScope, $compile) {
var element = $compile('<div ng:class="dynClass"></div>')($rootScope);
$rootScope.dynClass = 'A';
$rootScope.$digest();
expect(element.hasClass('A')).toBe(true);
// add extra class, change model and eval
element.addClass('newClass');
$rootScope.dynClass = 'B';
$rootScope.$digest();
expect(element.hasClass('B')).toBe(true);
expect(element.hasClass('newClass')).toBe(true);
}));
it('should preserve other classes with similar name"', inject(function($rootScope, $compile) {
var element = $compile('<div class="ui-panel ui-selected" ng:class="dynCls"></div>')($rootScope);
$rootScope.dynCls = 'panel';
$rootScope.$digest();
$rootScope.dynCls = 'foo';
$rootScope.$digest();
expect(element[0].className).toBe('ui-panel ui-selected ng-directive foo');
}));
it('should not add duplicate classes', inject(function($rootScope, $compile) {
var element = $compile('<div class="panel bar" ng:class="dynCls"></div>')($rootScope);
$rootScope.dynCls = 'panel';
$rootScope.$digest();
expect(element[0].className).toBe('panel bar ng-directive');
}));
it('should remove classes even if it was specified via class attribute', inject(function($rootScope, $compile) {
var element = $compile('<div class="panel bar" ng:class="dynCls"></div>')($rootScope);
$rootScope.dynCls = 'panel';
$rootScope.$digest();
$rootScope.dynCls = 'window';
$rootScope.$digest();
expect(element[0].className).toBe('bar ng-directive window');
}));
it('should remove classes even if they were added by another code', inject(function($rootScope, $compile) {
var element = $compile('<div ng:class="dynCls"></div>')($rootScope);
$rootScope.dynCls = 'foo';
$rootScope.$digest();
element.addClass('foo');
$rootScope.dynCls = '';
$rootScope.$digest();
expect(element[0].className).toBe('ng-directive');
}));
it('should convert undefined and null values to an empty string', inject(function($rootScope, $compile) {
var element = $compile('<div ng:class="dynCls"></div>')($rootScope);
$rootScope.dynCls = [undefined, null];
$rootScope.$digest();
expect(element[0].className).toBe('ng-directive');
}));
});
it('should ng:class odd/even', inject(function($rootScope, $compile) {
var element = $compile('<ul><li ng:repeat="i in [0,1]" class="existing" ng:class-odd="\'odd\'" ng:class-even="\'even\'"></li><ul>')($rootScope);
$rootScope.$digest();
var e1 = jqLite(element[0].childNodes[1]);
var e2 = jqLite(element[0].childNodes[2]);
expect(e1.hasClass('existing')).toBeTruthy();
expect(e1.hasClass('odd')).toBeTruthy();
expect(e2.hasClass('existing')).toBeTruthy();
expect(e2.hasClass('even')).toBeTruthy();
}));
it('should allow both ng:class and ng:class-odd/even on the same element', inject(function($rootScope, $compile) {
var element = $compile('<ul>' +
'<li ng:repeat="i in [0,1]" ng:class="\'plainClass\'" ' +
'ng:class-odd="\'odd\'" ng:class-even="\'even\'"></li>' +
'<ul>')($rootScope);
$rootScope.$apply();
var e1 = jqLite(element[0].childNodes[1]);
var e2 = jqLite(element[0].childNodes[2]);
expect(e1.hasClass('plainClass')).toBeTruthy();
expect(e1.hasClass('odd')).toBeTruthy();
expect(e1.hasClass('even')).toBeFalsy();
expect(e2.hasClass('plainClass')).toBeTruthy();
expect(e2.hasClass('even')).toBeTruthy();
expect(e2.hasClass('odd')).toBeFalsy();
}));
it('should allow both ng:class and ng:class-odd/even with multiple classes', inject(function($rootScope, $compile) {
var element = $compile('<ul>' +
'<li ng:repeat="i in [0,1]" ng:class="[\'A\', \'B\']" ' +
'ng:class-odd="[\'C\', \'D\']" ng:class-even="[\'E\', \'F\']"></li>' +
'<ul>')($rootScope);
$rootScope.$apply();
var e1 = jqLite(element[0].childNodes[1]);
var e2 = jqLite(element[0].childNodes[2]);
expect(e1.hasClass('A')).toBeTruthy();
expect(e1.hasClass('B')).toBeTruthy();
expect(e1.hasClass('C')).toBeTruthy();
expect(e1.hasClass('D')).toBeTruthy();
expect(e1.hasClass('E')).toBeFalsy();
expect(e1.hasClass('F')).toBeFalsy();
expect(e2.hasClass('A')).toBeTruthy();
expect(e2.hasClass('B')).toBeTruthy();
expect(e2.hasClass('E')).toBeTruthy();
expect(e2.hasClass('F')).toBeTruthy();
expect(e2.hasClass('C')).toBeFalsy();
expect(e2.hasClass('D')).toBeFalsy();
}));
describe('ng:style', function() {
it('should set', inject(function($rootScope, $compile) {
var element = $compile('<div ng:style="{height: \'40px\'}"></div>')($rootScope);
$rootScope.$digest();
expect(element.css('height')).toEqual('40px');
}));
it('should silently ignore undefined style', inject(function($rootScope, $compile) {
var element = $compile('<div ng:style="myStyle"></div>')($rootScope);
$rootScope.$digest();
expect(element.hasClass('ng-exception')).toBeFalsy();
}));
describe('preserving styles set before and after compilation', function() {
var scope, preCompStyle, preCompVal, postCompStyle, postCompVal, element;
beforeEach(inject(function($rootScope, $compile) {
preCompStyle = 'width';
preCompVal = '300px';
postCompStyle = 'height';
postCompVal = '100px';
element = jqLite('<div ng:style="styleObj"></div>');
element.css(preCompStyle, preCompVal);
jqLite(document.body).append(element);
$compile(element)($rootScope);
scope = $rootScope;
scope.styleObj = {'margin-top': '44px'};
scope.$apply();
element.css(postCompStyle, postCompVal);
}));
afterEach(function() {
element.remove();
});
it('should not mess up stuff after compilation', function() {
element.css('margin', '44px');
expect(element.css(preCompStyle)).toBe(preCompVal);
expect(element.css('margin-top')).toBe('44px');
expect(element.css(postCompStyle)).toBe(postCompVal);
});
it('should not mess up stuff after $apply with no model changes', function() {
element.css('padding-top', '33px');
scope.$apply();
expect(element.css(preCompStyle)).toBe(preCompVal);
expect(element.css('margin-top')).toBe('44px');
expect(element.css(postCompStyle)).toBe(postCompVal);
expect(element.css('padding-top')).toBe('33px');
});
it('should not mess up stuff after $apply with non-colliding model changes', function() {
scope.styleObj = {'padding-top': '99px'};
scope.$apply();
expect(element.css(preCompStyle)).toBe(preCompVal);
expect(element.css('margin-top')).not.toBe('44px');
expect(element.css('padding-top')).toBe('99px');
expect(element.css(postCompStyle)).toBe(postCompVal);
});
it('should overwrite original styles after a colliding model change', function() {
scope.styleObj = {'height': '99px', 'width': '88px'};
scope.$apply();
expect(element.css(preCompStyle)).toBe('88px');
expect(element.css(postCompStyle)).toBe('99px');
scope.styleObj = {};
scope.$apply();
expect(element.css(preCompStyle)).not.toBe('88px');
expect(element.css(postCompStyle)).not.toBe('99px');
});
});
});
describe('ng:show', function() {
it('should show and hide an element', inject(function($rootScope, $compile) {
var element = jqLite('<div ng:show="exp"></div>');
var element = $compile(element)($rootScope);
$rootScope.$digest();
expect(isCssVisible(element)).toEqual(false);
$rootScope.exp = true;
$rootScope.$digest();
expect(isCssVisible(element)).toEqual(true);
}));
it('should make hidden element visible', inject(function($rootScope, $compile) {
var element = jqLite('<div style="display: none" ng:show="exp"></div>');
var element = $compile(element)($rootScope);
expect(isCssVisible(element)).toBe(false);
$rootScope.exp = true;
$rootScope.$digest();
expect(isCssVisible(element)).toBe(true);
}));
});
describe('ng:hide', function() {
it('should hide an element', inject(function($rootScope, $compile) {
var element = jqLite('<div ng:hide="exp"></div>');
var element = $compile(element)($rootScope);
expect(isCssVisible(element)).toBe(true);
$rootScope.exp = true;
$rootScope.$digest();
expect(isCssVisible(element)).toBe(false);
}));
});
describe('ng:controller', function() {
var temp;
beforeEach(function() {
temp = window.temp = {};
temp.Greeter = function() {
this.$root.greeter = this;
this.greeting = 'hello';
this.suffix = '!';
};
temp.Greeter.prototype = {
greet: function(name) {
return this.greeting + ' ' + name + this.suffix;
}
};
});
afterEach(function() {
window.temp = undefined;
});
it('should bind', inject(function($rootScope, $compile) {
var element = $compile('<div ng:controller="temp.Greeter"></div>')($rootScope);
expect($rootScope.greeter.greeting).toEqual('hello');
expect($rootScope.greeter.greet('misko')).toEqual('hello misko!');
}));
it('should support nested controllers', inject(function($rootScope, $compile) {
temp.ChildGreeter = function() {
this.greeting = 'hey';
this.$root.childGreeter = this;
};
temp.ChildGreeter.prototype = {
greet: function() {
return this.greeting + ' dude' + this.suffix;
}
};
var element = $compile('<div ng:controller="temp.Greeter"><div ng:controller="temp.ChildGreeter">{{greet("misko")}}</div></div>')($rootScope);
expect($rootScope.greeting).not.toBeDefined();
expect($rootScope.greeter.greeting).toEqual('hello');
expect($rootScope.greeter.greet('misko')).toEqual('hello misko!');
expect($rootScope.greeter.greeting).toEqual('hello');
expect($rootScope.childGreeter.greeting).toEqual('hey');
expect($rootScope.childGreeter.$parent.greeting).toEqual('hello');
$rootScope.$digest();
expect(element.text()).toEqual('hey dude!');
}));
it('should infer injection arguments', inject(function($rootScope, $compile, $http) {
temp.MyController = function($http) {
this.$root.someService = $http;
};
var element = $compile('<div ng:controller="temp.MyController"></div>')($rootScope);
expect($rootScope.someService).toBe($http);
}));
});
describe('ng:cloak', function() {
it('should get removed when an element is compiled', inject(function($rootScope, $compile) {
var element = jqLite('<div ng:cloak></div>');
expect(element.attr('ng:cloak')).toBe('');
$compile(element);
expect(element.attr('ng:cloak')).toBeUndefined();
}));
it('should remove ng-cloak class from a compiled element', inject(function($rootScope, $compile) {
var element = jqLite('<div ng:cloak class="foo ng-cloak bar"></div>');
expect(element.hasClass('foo')).toBe(true);
expect(element.hasClass('ng-cloak')).toBe(true);
expect(element.hasClass('bar')).toBe(true);
$compile(element);
expect(element.hasClass('foo')).toBe(true);
expect(element.hasClass('ng-cloak')).toBe(false);
expect(element.hasClass('bar')).toBe(true);
}));
});
});