56 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
/*
 | 
						|
Copyright 2022 The Matrix.org Foundation C.I.C.
 | 
						|
 | 
						|
Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
you may not use this file except in compliance with the License.
 | 
						|
You may obtain a copy of the License at
 | 
						|
 | 
						|
    http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
 | 
						|
Unless required by applicable law or agreed to in writing, software
 | 
						|
distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
See the License for the specific language governing permissions and
 | 
						|
limitations under the License.
 | 
						|
*/
 | 
						|
 | 
						|
import EventEmitter from "events";
 | 
						|
import { MethodKeysOf, mocked, MockedObject } from "jest-mock";
 | 
						|
import { MatrixClient } from "matrix-js-sdk/src/matrix";
 | 
						|
 | 
						|
import { MatrixClientPeg } from "../../src/MatrixClientPeg";
 | 
						|
 | 
						|
/**
 | 
						|
 * Mock client with real event emitter
 | 
						|
 * useful for testing code that listens
 | 
						|
 * to MatrixClient events
 | 
						|
 */
 | 
						|
export class MockClientWithEventEmitter extends EventEmitter {
 | 
						|
    constructor(mockProperties: Partial<Record<MethodKeysOf<MatrixClient>, unknown>> = {}) {
 | 
						|
        super();
 | 
						|
 | 
						|
        Object.assign(this, mockProperties);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * - make a mock client
 | 
						|
 * - cast the type to mocked(MatrixClient)
 | 
						|
 * - spy on MatrixClientPeg.get to return the mock
 | 
						|
 * eg
 | 
						|
 * ```
 | 
						|
 * const mockClient = getMockClientWithEventEmitter({
 | 
						|
        getUserId: jest.fn().mockReturnValue(aliceId),
 | 
						|
    });
 | 
						|
 * ```
 | 
						|
 */
 | 
						|
export const getMockClientWithEventEmitter = (
 | 
						|
    mockProperties: Partial<Record<MethodKeysOf<MatrixClient>, unknown>>,
 | 
						|
): MockedObject<MatrixClient> => {
 | 
						|
    const mock = mocked(new MockClientWithEventEmitter(mockProperties) as unknown as MatrixClient);
 | 
						|
 | 
						|
    jest.spyOn(MatrixClientPeg, 'get').mockReturnValue(mock);
 | 
						|
    return mock;
 | 
						|
};
 | 
						|
 |