Files
angular.js/test/ng/directive/ngSwitchSpec.js

446 lines
14 KiB
JavaScript

'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 show all elements between start and end markers that match the current value',
inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li ng-switch-when-start="1">A</li>' +
'<li>B</li>' +
'<li ng-switch-when-end>C</li>' +
'<li ng-switch-when-start="2">D</li>' +
'<li>E</li>' +
'<li ng-switch-when-end>F</li>' +
'</ul>')($rootScope);
$rootScope.$apply('select = "1"');
expect(element.find('li').length).toBe(3);
expect(element.find('li').eq(0).text()).toBe('A');
expect(element.find('li').eq(1).text()).toBe('B');
expect(element.find('li').eq(2).text()).toBe('C');
$rootScope.$apply('select = "2"');
expect(element.find('li').length).toBe(3);
expect(element.find('li').eq(0).text()).toBe('D');
expect(element.find('li').eq(1).text()).toBe('E');
expect(element.find('li').eq(2).text()).toBe('F');
}));
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 default elements between start and end markers when no match',
inject(function($rootScope, $compile) {
element = $compile(
'<ul ng-switch="select">' +
'<li ng-switch-when-start="1">A</li>' +
'<li>B</li>' +
'<li ng-switch-when-end>C</li>' +
'<li ng-switch-default-start>D</li>' +
'<li>E</li>' +
'<li ng-switch-default-end>F</li>' +
'</ul>')($rootScope);
$rootScope.$apply('select = "1"');
expect(element.find('li').length).toBe(3);
expect(element.find('li').eq(0).text()).toBe('A');
expect(element.find('li').eq(1).text()).toBe('B');
expect(element.find('li').eq(2).text()).toBe('C');
$rootScope.$apply('select = "2"');
expect(element.find('li').length).toBe(3);
expect(element.find('li').eq(0).text()).toBe('D');
expect(element.find('li').eq(1).text()).toBe('E');
expect(element.find('li').eq(2).text()).toBe('F');
}));
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 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).toHaveBeenCalled();
$rootScope.url = 'a';
$rootScope.$apply();
var child2 = getChildScope();
expect(child2).toBeDefined();
expect(child2).not.toBe(child1);
}));
it("should interoperate with other transclusion directives like ngRepeat", inject(function($rootScope, $compile) {
element = $compile(
'<div ng-switch="value">' +
'<div ng-switch-when="foo" ng-repeat="foo in foos">{{value}}:{{foo}}|</div>' +
'<div ng-switch-default ng-repeat="bar in bars">{{value}}:{{bar}}|</div>' +
'</div>'
)($rootScope);
$rootScope.$apply('value="foo";foos=["one", "two"]');
expect(element.text()).toEqual('foo:one|foo:two|');
$rootScope.$apply('value="foo";foos=["one"]');
expect(element.text()).toEqual('foo:one|');
$rootScope.$apply('value="foo";foos=["one","two","three"]');
expect(element.text()).toEqual('foo:one|foo:two|foo:three|');
$rootScope.$apply('value="bar";bars=["up", "down"]');
expect(element.text()).toEqual('bar:up|bar:down|');
$rootScope.$apply('value="bar";bars=["up", "down", "forwards", "backwards"]');
expect(element.text()).toEqual('bar:up|bar:down|bar:forwards|bar:backwards|');
}));
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
}));
it('should properly support case labels with different numbers of transclude fns', inject(function($rootScope, $compile) {
element = $compile(
'<div ng-switch="mode">' +
'<p ng-switch-when="a">Block1</p>' +
'<p ng-switch-when="a">Block2</p>' +
'<a href ng-switch-when="b">a</a>' +
'</div>'
)($rootScope);
$rootScope.$apply('mode = "a"');
expect(element.children().length).toBe(2);
$rootScope.$apply('mode = "b"');
expect(element.children().length).toBe(1);
$rootScope.$apply('mode = "a"');
expect(element.children().length).toBe(2);
$rootScope.$apply('mode = "b"');
expect(element.children().length).toBe(1);
}));
});
describe('ngSwitch animation', function() {
var body, element, $rootElement;
function html(content) {
$rootElement.html(content);
element = $rootElement.children().eq(0);
return element;
}
beforeEach(module(function() {
// we need to run animation on attached elements;
return function(_$rootElement_) {
$rootElement = _$rootElement_;
body = jqLite(document.body);
body.append($rootElement);
};
}));
afterEach(function() {
dealoc(body);
dealoc(element);
});
describe('behavior', function() {
it('should destroy the previous leave animation if a new one takes place', function() {
module('ngAnimate');
module(function($animateProvider) {
$animateProvider.register('.long-leave', function() {
return {
leave: function(element, done) {
//do nothing at all
}
};
});
});
inject(function($compile, $rootScope, $animate, $templateCache) {
var item;
var $scope = $rootScope.$new();
element = $compile(html(
'<div ng-switch="inc">' +
'<div ng-switch-when="one">one</div>' +
'<div ng-switch-when="two">two</div>' +
'</div>'
))($scope);
$scope.$apply('inc = "one"');
var destroyed, inner = element.children(0);
inner.on('$destroy', function() {
destroyed = true;
});
$scope.$apply('inc = "two"');
$scope.$apply('inc = "one"');
expect(destroyed).toBe(true);
});
});
});
describe('events', function() {
beforeEach(module('ngAnimateMock'));
it('should fire off the enter animation',
inject(function($compile, $rootScope, $animate) {
var item;
var $scope = $rootScope.$new();
element = $compile(html(
'<div ng-switch on="val">' +
'<div ng-switch-when="one">one</div>' +
'<div ng-switch-when="two">two</div>' +
'<div ng-switch-when="three">three</div>' +
'</div>'
))($scope);
$rootScope.$digest(); // re-enable the animations;
$scope.val = 'one';
$scope.$digest();
item = $animate.queue.shift();
expect(item.event).toBe('enter');
expect(item.element.text()).toBe('one');
})
);
it('should fire off the leave animation',
inject(function($compile, $rootScope, $animate) {
var item;
var $scope = $rootScope.$new();
element = $compile(html(
'<div ng-switch on="val">' +
'<div ng-switch-when="one">one</div>' +
'<div ng-switch-when="two">two</div>' +
'<div ng-switch-when="three">three</div>' +
'</div>'
))($scope);
$rootScope.$digest(); // re-enable the animations;
$scope.val = 'two';
$scope.$digest();
item = $animate.queue.shift();
expect(item.event).toBe('enter');
expect(item.element.text()).toBe('two');
$scope.val = 'three';
$scope.$digest();
item = $animate.queue.shift();
expect(item.event).toBe('leave');
expect(item.element.text()).toBe('two');
item = $animate.queue.shift();
expect(item.event).toBe('enter');
expect(item.element.text()).toBe('three');
})
);
it('should work with svg elements when the svg container is transcluded', function() {
module(function($compileProvider) {
$compileProvider.directive('svgContainer', function() {
return {
template: '<svg ng-transclude></svg>',
replace: true,
transclude: true
};
});
});
inject(function($compile, $rootScope) {
element = $compile('<svg-container ng-switch="inc"><circle ng-switch-when="one"></circle>' +
'</svg-container>')($rootScope);
$rootScope.inc = 'one';
$rootScope.$apply();
var circle = element.find('circle');
expect(circle[0].toString()).toMatch(/SVG/);
});
});
});
});