angular-cn/packages/common/http/test/jsonp_mock.ts

53 lines
1.1 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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
*/
export class MockScriptElement {
constructor() {}
listeners: {
load?: (event: Event) => void,
error?: (err: Error) => void,
} = {};
addEventListener(event: 'load'|'error', handler: Function): void {
this.listeners[event] = handler as any;
}
removeEventListener(event: 'load'|'error'): void {
delete this.listeners[event];
}
}
export class MockDocument {
// TODO(issue/24571): remove '!'.
mock!: MockScriptElement|null;
readonly body: any = this;
createElement(tag: 'script'): HTMLScriptElement {
return new MockScriptElement() as any as HTMLScriptElement;
}
appendChild(node: any): void {
this.mock = node;
}
removeNode(node: any): void {
if (this.mock === node) {
this.mock = null;
}
}
mockLoad(): void {
this.mock!.listeners.load!(null as any);
}
mockError(err: Error) {
this.mock!.listeners.error!(err);
}
}