angular-cn/packages/core/test/view/services_spec.ts

74 lines
2.8 KiB
TypeScript
Raw Normal View History

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {asElementData, asTextData, DebugContext, directiveDef, elementDef, NodeFlags, QueryValueType, Services, textDef} from '@angular/core/src/view/index';
import {compViewDef, createAndGetRootNodes} from './helper';
{
describe('View Services', () => {
describe('DebugContext', () => {
class AComp {}
class AService {}
function createViewWithData() {
const {view} = createAndGetRootNodes(compViewDef([
elementDef(
0, NodeFlags.None, null, null, 1, 'div', null, null, null, null,
() => compViewDef([
elementDef(
0, NodeFlags.None, [['ref', QueryValueType.ElementRef]], null, 2, 'span'),
directiveDef(1, NodeFlags.None, null, 0, AService, []), textDef(2, null, ['a'])
])),
directiveDef(1, NodeFlags.Component, null, 0, AComp, []),
]));
return view;
}
it('should provide data for elements', () => {
const view = createViewWithData();
const compView = asElementData(view, 0).componentView;
const debugCtx = Services.createDebugContext(compView, 0);
expect(debugCtx.componentRenderElement).toBe(asElementData(view, 0).renderElement);
expect(debugCtx.renderNode).toBe(asElementData(compView, 0).renderElement);
expect(debugCtx.injector.get(AComp)).toBe(compView.component);
expect(debugCtx.component).toBe(compView.component);
expect(debugCtx.context).toBe(compView.context);
expect(debugCtx.providerTokens).toEqual([AService]);
expect(debugCtx.references['ref'].nativeElement)
.toBe(asElementData(compView, 0).renderElement);
});
it('should provide data for text nodes', () => {
const view = createViewWithData();
const compView = asElementData(view, 0).componentView;
const debugCtx = Services.createDebugContext(compView, 2);
expect(debugCtx.componentRenderElement).toBe(asElementData(view, 0).renderElement);
expect(debugCtx.renderNode).toBe(asTextData(compView, 2).renderText);
expect(debugCtx.injector.get(AComp)).toBe(compView.component);
expect(debugCtx.component).toBe(compView.component);
expect(debugCtx.context).toBe(compView.context);
});
it('should provide data for other nodes based on the nearest element parent', () => {
const view = createViewWithData();
const compView = asElementData(view, 0).componentView;
const debugCtx = Services.createDebugContext(compView, 1);
expect(debugCtx.renderNode).toBe(asElementData(compView, 0).renderElement);
});
});
});
}