我正在为angular2服务编写单元测试。代码片段:
// jasmine specfile
// already injected MockConnection into Http
backend.connections.subscribe ((c: MockConnection) => {
connection = c;
});
// doing get-request
myServiceCallwithHttpRequest ().subscribe (result => {
// this test passes!
expect (result).toEqual ({
"message": "No Such Object"
});
// this test fails, don't know how to get the response code
expect (whereIsResponseStatus).toBe (404);
});
connection.mockRespond (new Response (new ResponseOptions ({
body: {
"message": "No Such Object"
},
status: 404
})));
我的服务:
// service
myServiceCallwithHttpRequest (): Observable<Response> {
return this.http.get ('/my/json-service').map (res => {
// res.status == null
return res.json ()
})
.catch (this.handleError); // from angular2 tutorial
}
第一个expect是OK,程序进入map调用,而不是catch。但是我如何获得状态码404呢?res.status为空。
发布于 2016-07-12 19:32:26
适用于我:
mockConnection.mockRespond (new Response (new ResponseOptions ({
body: {},
status: 404
})));
发布于 2016-10-05 08:06:44
要使模拟错误正常工作,您需要从@angular/http导入ResponseType,并在模拟响应中包含错误类型,然后扩展响应并实现错误
import { Response, ResponseOptions, ResponseType, Request } from '@angular/http';
import { MockConnection } from '@angular/http/testing';
class MockError extends Response implements Error {
name:any
message:any
}
...
handleConnection(connection:MockConnection) {
let body = JSON.stringify({key:'val'});
let opts = {type:ResponseType.Error, status:404, body: body};
let responseOpts = new ResponseOptions(opts);
connection.mockError(new MockError(responseOpts));
}
发布于 2016-06-15 23:56:36
在node_modules\@angular\http\testing\mock_backend.d.ts
上浏览源代码。MockConnection.mockRespond
已经存在于您的代码中。MockConnection.mockError
可能是您所需要的。试一试,看看你能得到什么。
https://stackoverflow.com/questions/35436261
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