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'use strict';
describe('ngSwitch', function() {
var element;
afterEach(function(){
dealoc(element);
});
it('should switch on value change', inject(function($rootScope, $compile) {
element = $compile(
'<div ng-switch="select">' +
'<div ng-switch-when="1">first:{{name}}</div>' +
'<div ng-switch-when="2">second:{{name}}</div>' +
'<div ng-switch-when="true">true:{{name}}</div>' +
'</div>')($rootScope);
expect(element.html()).toEqual(
'<!-- ngSwitchWhen: 1 --><!-- ngSwitchWhen: 2 --><!-- ngSwitchWhen: true -->');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('first:');
$rootScope.name="shyam";
$rootScope.$apply();
expect(element.text()).toEqual('first:shyam');
$rootScope.select = 2;
$rootScope.$apply();
expect(element.text()).toEqual('second:shyam');
$rootScope.name = 'misko';
$rootScope.$apply();
expect(element.text()).toEqual('second:misko');
$rootScope.select = true;
$rootScope.$apply();
expect(element.text()).toEqual('true:misko');
}));
it('should show all switch-whens that match the current value', inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li ng-switch-when="1">first:{{name}}</li>' +
'<li ng-switch-when="1">, first too:{{name}}</li>' +
'<li ng-switch-when="2">second:{{name}}</li>' +
'<li ng-switch-when="true">true:{{name}}</li>' +
'</ul>')($rootScope);
expect(element.html()).toEqual('<!-- ngSwitchWhen: 1 -->' +
'<!-- ngSwitchWhen: 1 -->' +
'<!-- ngSwitchWhen: 2 -->' +
'<!-- ngSwitchWhen: true -->');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('first:, first too:');
$rootScope.name="shyam";
$rootScope.$apply();
expect(element.text()).toEqual('first:shyam, first too:shyam');
$rootScope.select = 2;
$rootScope.$apply();
expect(element.text()).toEqual('second:shyam');
$rootScope.name = 'misko';
$rootScope.$apply();
expect(element.text()).toEqual('second:misko');
$rootScope.select = true;
$rootScope.$apply();
expect(element.text()).toEqual('true:misko');
}));
it('should switch on switch-when-default', inject(function($rootScope, $compile) {
element = $compile(
'<ng:switch on="select">' +
'<div ng:switch-when="1">one</div>' +
'<div ng:switch-default>other</div>' +
'</ng:switch>')($rootScope);
$rootScope.$apply();
expect(element.text()).toEqual('other');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('one');
}));
it('should show all switch-when-default', inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li ng-switch-when="1">one</li>' +
'<li ng-switch-default>other</li>' +
'<li ng-switch-default>, other too</li>' +
'</ul>')($rootScope);
$rootScope.$apply();
expect(element.text()).toEqual('other, other too');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('one');
}));
it('should always display the elements that do not match a switch',
inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li>always </li>' +
'<li ng-switch-when="1">one </li>' +
'<li ng-switch-when="2">two </li>' +
'<li ng-switch-default>other, </li>' +
'<li ng-switch-default>other too </li>' +
'</ul>')($rootScope);
$rootScope.$apply();
expect(element.text()).toEqual('always other, other too ');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('always one ');
}));
it('should display the elements that do not have ngSwitchWhen nor ' +
'ngSwitchDefault at the position specified in the template, when the ' +
'first and last elements in the ngSwitch body do not have a ngSwitch* ' +
'directive', inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li>1</li>' +
'<li ng-switch-when="1">2</li>' +
'<li>3</li>' +
'<li ng-switch-when="2">4</li>' +
'<li ng-switch-default>5</li>' +
'<li>6</li>' +
'<li ng-switch-default>7</li>' +
'<li>8</li>' +
'</ul>')($rootScope);
$rootScope.$apply();
expect(element.text()).toEqual('135678');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('12368');
}));
it('should display the elements that do not have ngSwitchWhen nor ' +
'ngSwitchDefault at the position specified in the template when the ' +
'first and last elements in the ngSwitch have a ngSwitch* directive',
inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li ng-switch-when="1">2</li>' +
'<li>3</li>' +
'<li ng-switch-when="2">4</li>' +
'<li ng-switch-default>5</li>' +
'<li>6</li>' +
'<li ng-switch-default>7</li>' +
'</ul>')($rootScope);
$rootScope.$apply();
expect(element.text()).toEqual('3567');
$rootScope.select = 1;
$rootScope.$apply();
expect(element.text()).toEqual('236');
}));
it('should call change on switch', inject(function($rootScope, $compile) {
element = $compile(
'<ng:switch on="url" change="name=\'works\'">' +
'<div ng-switch-when="a">{{name}}</div>' +
'</ng:switch>')($rootScope);
$rootScope.url = 'a';
$rootScope.$apply();
expect($rootScope.name).toEqual('works');
expect(element.text()).toEqual('works');
}));
it('should properly create and destroy child scopes', inject(function($rootScope, $compile) {
element = $compile(
'<ng:switch on="url">' +
'<div ng-switch-when="a">{{name}}</div>' +
'</ng:switch>')($rootScope);
$rootScope.$apply();
var getChildScope = function() { return element.find('div').scope(); };
expect(getChildScope()).toBeUndefined();
$rootScope.url = 'a';
$rootScope.$apply();
var child1 = getChildScope();
expect(child1).toBeDefined();
spyOn(child1, '$destroy');
$rootScope.url = 'x';
$rootScope.$apply();
expect(getChildScope()).toBeUndefined();
expect(child1.$destroy).toHaveBeenCalledOnce();
$rootScope.url = 'a';
$rootScope.$apply();
var child2 = getChildScope();
expect(child2).toBeDefined();
expect(child2).not.toBe(child1);
}));
it('should not leak jq data when compiled but not attached to parent when parent is destroyed',
inject(function($rootScope, $compile) {
element = $compile(
'<div ng-repeat="i in []">' +
'<ng-switch on="url">' +
'<div ng-switch-when="a">{{name}}</div>' +
'</ng-switch>' +
'</div>')($rootScope);
$rootScope.$apply();
// element now contains only empty repeater. this element is dealocated by local afterEach.
// afterwards a global afterEach will check for leaks in jq data cache object
}));
});
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