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

158 lines
6.1 KiB
TypeScript

import {
AsyncTestCompleter,
TestComponentBuilder,
beforeEach,
beforeEachProviders,
ddescribe,
xdescribe,
describe,
el,
expect,
iit,
inject,
it,
xit,
} from 'angular2/testing_internal';
import {StringMapWrapper} from 'angular2/src/facade/collection';
import {Component, View} from 'angular2/core';
import {DOM} from 'angular2/src/platform/dom/dom_adapter';
import {NgStyle} from 'angular2/src/common/directives/ng_style';
export function main() {
describe('binding to CSS styles', () => {
it('should add styles specified in an object literal',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = `<div [ngStyle]="{'max-width': '40px'}"></div>`;
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('40px');
async.done();
});
}));
it('should add and change styles specified in an object expression',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = `<div [ngStyle]="expr"></div>`;
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
var expr: Map<string, any>;
fixture.debugElement.componentInstance.expr = {'max-width': '40px'};
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('40px');
expr = fixture.debugElement.componentInstance.expr;
expr['max-width'] = '30%';
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('30%');
async.done();
});
}));
it('should remove styles when deleting a key in an object expression',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = `<div [ngStyle]="expr"></div>`;
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.debugElement.componentInstance.expr = {'max-width': '40px'};
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('40px');
StringMapWrapper.delete(fixture.debugElement.componentInstance.expr, 'max-width');
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('');
async.done();
});
}));
it('should co-operate with the style attribute',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = `<div style="font-size: 12px" [ngStyle]="expr"></div>`;
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.debugElement.componentInstance.expr = {'max-width': '40px'};
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('40px');
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'font-size'))
.toEqual('12px');
StringMapWrapper.delete(fixture.debugElement.componentInstance.expr, 'max-width');
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('');
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'font-size'))
.toEqual('12px');
async.done();
});
}));
it('should co-operate with the style.[styleName]="expr" special-case in the compiler',
inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
var template = `<div [style.font-size.px]="12" [ngStyle]="expr"></div>`;
tcb.overrideTemplate(TestComponent, template)
.createAsync(TestComponent)
.then((fixture) => {
fixture.debugElement.componentInstance.expr = {'max-width': '40px'};
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('40px');
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'font-size'))
.toEqual('12px');
StringMapWrapper.delete(fixture.debugElement.componentInstance.expr, 'max-width');
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'font-size'))
.toEqual('12px');
fixture.detectChanges();
expect(DOM.getStyle(fixture.debugElement.componentViewChildren[0].nativeElement,
'max-width'))
.toEqual('');
async.done();
});
}));
})
}
@Component({selector: 'test-cmp'})
@View({directives: [NgStyle]})
class TestComponent {
expr;
}