angular-cn/modules/angular2/test/common/directives/ng_switch_spec.ts

161 lines
6.5 KiB
TypeScript

import {
AsyncTestCompleter,
TestComponentBuilder,
beforeEach,
ddescribe,
describe,
el,
expect,
iit,
inject,
it,
xit,
} from 'angular2/testing_internal';
import {Component} from 'angular2/core';
import {NgSwitch, NgSwitchWhen, NgSwitchDefault} from 'angular2/src/common/directives/ng_switch';
export function main() {
describe('switch', () => {
describe('switch value changes', () => {
it('should switch amongst when values',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template ngSwitchWhen="a"><li>when a</li></template>' +
'<template ngSwitchWhen="b"><li>when b</li></template>' +
'</ul></div>';
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('');
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when b');
async.done();
});
}));
it('should switch amongst when values with fallback to default',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<li template="ngSwitchWhen \'a\'">when a</li>' +
'<li template="ngSwitchDefault">when default</li>' +
'</ul></div>';
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default');
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default');
async.done();
});
}));
it('should support multiple whens with the same value',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template ngSwitchWhen="a"><li>when a1;</li></template>' +
'<template ngSwitchWhen="b"><li>when b1;</li></template>' +
'<template ngSwitchWhen="a"><li>when a2;</li></template>' +
'<template ngSwitchWhen="b"><li>when b2;</li></template>' +
'<template ngSwitchDefault><li>when default1;</li></template>' +
'<template ngSwitchDefault><li>when default2;</li></template>' +
'</ul></div>';
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.detectChanges();
expect(fixture.debugElement.nativeElement)
.toHaveText('when default1;when default2;');
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a1;when a2;');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when b1;when b2;');
async.done();
});
}));
});
describe('when values changes', () => {
it('should switch amongst when values',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template [ngSwitchWhen]="when1"><li>when 1;</li></template>' +
'<template [ngSwitchWhen]="when2"><li>when 2;</li></template>' +
'<template ngSwitchDefault><li>when default;</li></template>' +
'</ul></div>';
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.debugElement.componentInstance.when1 = 'a';
fixture.debugElement.componentInstance.when2 = 'b';
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when 1;');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when 2;');
fixture.debugElement.componentInstance.switchValue = 'c';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default;');
fixture.debugElement.componentInstance.when1 = 'c';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when 1;');
fixture.debugElement.componentInstance.when1 = 'd';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default;');
async.done();
});
}));
});
});
}
@Component(
{selector: 'test-cmp', directives: [NgSwitch, NgSwitchWhen, NgSwitchDefault], template: ''})
class TestComponent {
switchValue: any;
when1: any;
when2: any;
constructor() {
this.switchValue = null;
this.when1 = null;
this.when2 = null;
}
}