MockConnection

class deprecated

Mock Connection to represent a Connection for tests.

Deprecated: see https://angular.io/guide/http

class MockConnection implements Connection {
  constructor(req: Request)
  readyState: ReadyState
  request: Request
  response: ReplaySubject<Response>
  mockRespond(res: Response)
  mockDownload(res: Response)
  mockError(err?: Error)
}

Constructor

constructor(req: Request)

Parameters

req Request

Properties

Property	Description
`readyState: ReadyState`	Describes the state of the connection, based on `XMLHttpRequest.readyState`, but with additional states. For example, state 5 indicates an aborted connection.
`request: Request`	`Request` instance used to create the connection.
`response: ReplaySubject<Response>`	`EventEmitter` of Response. Can be subscribed to in order to be notified when a response is available.

Methods

mockRespond()

Sends a mock response to the connection. This response is the value that is emitted to the EventEmitter returned by Http.

mockRespond(res: Response)

Parameters

res Response

mockDownload()

Not yet implemented!

mockDownload(res: Response)

Parameters

res Response

Sends the provided Response to the downloadObserver of the Request associated with this connection.

mockError()

Emits the provided error object as an error to the Response EventEmitter returned from Http.

mockError(err?: Error)

Parameters

err Error Optional. Default is undefined.

Usage notes

Example of mockRespond()

var connection;
backend.connections.subscribe(c => connection = c);
http.request('data.json').subscribe(res => console.log(res.text()));
connection.mockRespond(new Response(new ResponseOptions({ body: 'fake response' }))); //logs
'fake response'

Example of mockError()

var connection;
backend.connections.subscribe(c => connection = c);
http.request('data.json').subscribe(res => res, err => console.log(err)));
connection.mockError(new Error('error'));

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Licensed under the Creative Commons Attribution License 4.0.
https://v7.angular.io/api/http/testing/MockConnection