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refactor(common): cleanup directive tests

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This commit is contained in:
Victor Berchet
2016-09-08 20:37:20 -07:00
parent c649a5c5ab
commit 82f30e09f0
7 changed files with 475 additions and 538 deletions
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144
modules/@angular/common/test/directives/ng_switch_spec.ts
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@ -8,83 +8,86 @@
import {CommonModule} from '@angular/common';
import {Component} from '@angular/core';
import {TestBed, async} from '@angular/core/testing';
import {ComponentFixture, TestBed, async} from '@angular/core/testing';
import {expect} from '@angular/platform-browser/testing/matchers';
export function main() {
describe('switch', () => {
describe('NgSwitch', () => {
let fixture: ComponentFixture<any>;
function getComponent(): TestComponent { return fixture.componentInstance; }
function detectChangesAndExpectText(text: string): void {
fixture.detectChanges();
expect(fixture.nativeElement).toHaveText(text);
}
afterEach(() => { fixture = null; });
beforeEach(() => {
TestBed.configureTestingModule({declarations: [TestComponent], imports: [CommonModule]});
TestBed.configureTestingModule({
declarations: [TestComponent],
imports: [CommonModule],
});
});
describe('switch value changes', () => {
it('should switch amongst when values', async(() => {
var template = '<div>' +
const template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template ngSwitchCase="a"><li>when a</li></template>' +
'<template ngSwitchCase="b"><li>when b</li></template>' +
'</ul></div>';
TestBed.overrideComponent(TestComponent, {set: {template: template}});
let fixture = TestBed.createComponent(TestComponent);
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('');
fixture = createTestComponent(template);
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a');
detectChangesAndExpectText('');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when b');
getComponent().switchValue = 'a';
detectChangesAndExpectText('when a');
getComponent().switchValue = 'b';
detectChangesAndExpectText('when b');
}));
// TODO(robwormald): deprecate and remove
it('should switch amongst when values using switchCase', async(() => {
var template = '<div>' +
const template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template ngSwitchCase="a"><li>when a</li></template>' +
'<template ngSwitchCase="b"><li>when b</li></template>' +
'</ul></div>';
TestBed.overrideComponent(TestComponent, {set: {template: template}});
let fixture = TestBed.createComponent(TestComponent);
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('');
fixture = createTestComponent(template);
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a');
detectChangesAndExpectText('');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when b');
getComponent().switchValue = 'a';
detectChangesAndExpectText('when a');
getComponent().switchValue = 'b';
detectChangesAndExpectText('when b');
}));
it('should switch amongst when values with fallback to default', async(() => {
var template = '<div>' +
const template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<li template="ngSwitchCase \'a\'">when a</li>' +
'<li template="ngSwitchDefault">when default</li>' +
'</ul></div>';
TestBed.overrideComponent(TestComponent, {set: {template: template}});
let fixture = TestBed.createComponent(TestComponent);
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default');
fixture = createTestComponent(template);
detectChangesAndExpectText('when default');
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a');
getComponent().switchValue = 'a';
detectChangesAndExpectText('when a');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default');
getComponent().switchValue = 'b';
detectChangesAndExpectText('when default');
}));
it('should support multiple whens with the same value', async(() => {
var template = '<div>' +
const template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template ngSwitchCase="a"><li>when a1;</li></template>' +
'<template ngSwitchCase="b"><li>when b1;</li></template>' +
@ -94,53 +97,43 @@ export function main() {
'<template ngSwitchDefault><li>when default2;</li></template>' +
'</ul></div>';
TestBed.overrideComponent(TestComponent, {set: {template: template}});
let fixture = TestBed.createComponent(TestComponent);
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default1;when default2;');
fixture = createTestComponent(template);
detectChangesAndExpectText('when default1;when default2;');
fixture.debugElement.componentInstance.switchValue = 'a';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when a1;when a2;');
getComponent().switchValue = 'a';
detectChangesAndExpectText('when a1;when a2;');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when b1;when b2;');
getComponent().switchValue = 'b';
detectChangesAndExpectText('when b1;when b2;');
}));
});
describe('when values changes', () => {
it('should switch amongst when values', async(() => {
var template = '<div>' +
const template = '<div>' +
'<ul [ngSwitch]="switchValue">' +
'<template [ngSwitchCase]="when1"><li>when 1;</li></template>' +
'<template [ngSwitchCase]="when2"><li>when 2;</li></template>' +
'<template ngSwitchDefault><li>when default;</li></template>' +
'</ul></div>';
TestBed.overrideComponent(TestComponent, {set: {template: template}});
let fixture = TestBed.createComponent(TestComponent);
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 = createTestComponent(template);
getComponent().when1 = 'a';
getComponent().when2 = 'b';
getComponent().switchValue = 'a';
detectChangesAndExpectText('when 1;');
fixture.debugElement.componentInstance.switchValue = 'b';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when 2;');
getComponent().switchValue = 'b';
detectChangesAndExpectText('when 2;');
fixture.debugElement.componentInstance.switchValue = 'c';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default;');
getComponent().switchValue = 'c';
detectChangesAndExpectText('when default;');
fixture.debugElement.componentInstance.when1 = 'c';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when 1;');
getComponent().when1 = 'c';
detectChangesAndExpectText('when 1;');
fixture.debugElement.componentInstance.when1 = 'd';
fixture.detectChanges();
expect(fixture.debugElement.nativeElement).toHaveText('when default;');
getComponent().when1 = 'd';
detectChangesAndExpectText('when default;');
}));
});
});
@ -148,13 +141,12 @@ export function main() {
@Component({selector: 'test-cmp', template: ''})
class TestComponent {
switchValue: any;
when1: any;
when2: any;
constructor() {
this.switchValue = null;
this.when1 = null;
this.when2 = null;
}
switchValue: any = null;
when1: any = null;
when2: any = null;
}
function createTestComponent(template: string): ComponentFixture<TestComponent> {
return TestBed.overrideComponent(TestComponent, {set: {template: template}})
.createComponent(TestComponent);
}