212 lines
8.3 KiB
TypeScript
212 lines
8.3 KiB
TypeScript
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import {
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AsyncTestCompleter,
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beforeEach,
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ddescribe,
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describe,
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el,
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expect,
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iit,
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inject,
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IS_DARTIUM,
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it,
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xit,
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} from 'angular2/test_lib';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {TestBed} from 'angular2/src/test_lib/test_bed';
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import {Component, View} from 'angular2/angular2';
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import {NgIf} from 'angular2/src/directives/ng_if';
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export function main() {
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describe('if directive', () => {
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it('should work in a template attribute', inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html = '<div><copy-me template="ng-if booleanCondition">hello</copy-me></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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async.done();
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});
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}));
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it('should work in a template element', inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html =
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'<div><template [ng-if]="booleanCondition"><copy-me>hello2</copy-me></template></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello2');
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async.done();
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});
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}));
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it('should toggle node when condition changes',
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inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html = '<div><copy-me template="ng-if booleanCondition">hello</copy-me></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.context.booleanCondition = false;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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view.context.booleanCondition = true;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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view.context.booleanCondition = false;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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async.done();
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});
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}));
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it('should handle nested if correctly', inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html =
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'<div><template [ng-if]="booleanCondition"><copy-me *ng-if="nestedBooleanCondition">hello</copy-me></template></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.context.booleanCondition = false;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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view.context.booleanCondition = true;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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view.context.nestedBooleanCondition = false;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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view.context.nestedBooleanCondition = true;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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view.context.booleanCondition = false;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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async.done();
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});
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}));
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it('should update several nodes with if', inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html =
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'<div>' +
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'<copy-me template="ng-if numberCondition + 1 >= 2">helloNumber</copy-me>' +
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'<copy-me template="ng-if stringCondition == \'foo\'">helloString</copy-me>' +
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'<copy-me template="ng-if functionCondition(stringCondition, numberCondition)">helloFunction</copy-me>' +
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'</div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(3);
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expect(DOM.getText(view.rootNodes[0]))
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.toEqual('helloNumberhelloStringhelloFunction');
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view.context.numberCondition = 0;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('helloString');
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view.context.numberCondition = 1;
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view.context.stringCondition = "bar";
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('helloNumber');
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async.done();
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});
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}));
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if (!IS_DARTIUM) {
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it('should not add the element twice if the condition goes from true to true (JS)',
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inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html = '<div><copy-me template="ng-if numberCondition">hello</copy-me></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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view.context.numberCondition = 2;
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view.detectChanges();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(1);
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expect(DOM.getText(view.rootNodes[0])).toEqual('hello');
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async.done();
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});
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}));
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it('should not recreate the element if the condition goes from true to true (JS)',
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inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html = '<div><copy-me template="ng-if numberCondition">hello</copy-me></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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view.detectChanges();
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DOM.addClass(view.rootNodes[0].childNodes[1], "foo");
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view.context.numberCondition = 2;
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view.detectChanges();
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expect(DOM.hasClass(view.rootNodes[0].childNodes[1], "foo")).toBe(true);
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async.done();
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});
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}));
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}
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if (IS_DARTIUM) {
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it('should not create the element if the condition is not a boolean (DART)',
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inject([TestBed, AsyncTestCompleter], (tb, async) => {
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var html = '<div><copy-me template="ng-if numberCondition">hello</copy-me></div>';
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tb.createView(TestComponent, {html: html})
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.then((view) => {
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expect(() => view.detectChanges()).toThrowError();
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expect(DOM.querySelectorAll(view.rootNodes[0], 'copy-me').length).toEqual(0);
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expect(DOM.getText(view.rootNodes[0])).toEqual('');
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async.done();
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});
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}));
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}
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});
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}
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@Component({selector: 'test-cmp'})
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@View({directives: [NgIf]})
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class TestComponent {
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booleanCondition: boolean;
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nestedBooleanCondition: boolean;
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numberCondition: number;
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stringCondition: string;
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functionCondition: Function;
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constructor() {
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this.booleanCondition = true;
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this.nestedBooleanCondition = true;
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this.numberCondition = 1;
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this.stringCondition = "foo";
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this.functionCondition = function(s, n) { return s == "foo" && n == 1; };
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}
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}
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