microsoft/vscode-react-native
Publicmirrored from https://github.com/microsoft/vscode-react-nativeAvailable
src/test/resources/recordingsHelper.ts
50lines · modeblame
14c2611bdigeff10 years ago | 1 | // Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | // Licensed under the MIT license. See LICENSE file in the project root for details. | |
| 3 | | |
| 4 | interface TestUsingRecording { | |
| 5 | (expectation: string, recordingNames: string[], assertion?: () => void): Mocha.ITest; | |
| 6 | (expectation: string, recordingNames: string[], assertion?: (done: MochaDone) => void): Mocha.ITest; | |
| 7 | only(expectation: string, recordingNames: string[], assertion?: () => void): Mocha.ITest; | |
| 8 | only(expectation: string, recordingNames: string[], assertion?: (done: MochaDone) => void): Mocha.ITest; | |
| 9 | skip(expectation: string, recordingNames: string[], assertion?: () => void): void; | |
| 10 | skip(expectation: string, recordingNames: string[], assertion?: (done: MochaDone) => void): void; | |
| 11 | } | |
| 12 | | |
| 13 | export interface IRecordingConsumer { | |
| 14 | loadRecordingFromName(recordingName: string): Q.Promise<void>; | |
| 15 | } | |
| 16 | | |
| 17 | /* This class makes it easy to create a test using a recording. Recommended usage is: | |
| 18 | const testWithRecordings = new RecordingsHelper(() => recordingConsumer).test; | |
| 19 | testWithRecordings("expects to do some test thing", | |
| 20 | [ | |
| 21 | "path/to/recording", | |
| 22 | "path/to/recording" | |
| 23 | ], () => { | |
| 24 | // test code here | |
| 25 | }); | |
| 26 | */ | |
| 27 | export class RecordingsHelper { | |
| 28 | public test: TestUsingRecording; | |
| 29 | | |
| 30 | constructor(private getRecordingConsumer: () => IRecordingConsumer) { | |
| 31 | this.initializeTest(); | |
| 32 | } | |
| 33 | | |
| 34 | private initializeTest(): void { | |
| 35 | this.test = <TestUsingRecording>((testName: string, recordingNames: string[], code: () => Q.Promise<void>): void => { | |
a4a82040digeff10 years ago | 36 | if (code.length !== 0) { // Check how many arguments the function has |
| 37 | throw new RangeError("(done: mochaDone) parameter is not supported. Please return a promise instead."); | |
| 38 | } | |
| 39 | const recordingsHelper = this; | |
14c2611bdigeff10 years ago | 40 | recordingNames.forEach(recordingName => { |
a4a82040digeff10 years ago | 41 | test(`${testName} using recording ${recordingName}`, function () { // We use function () because we need the this pointer |
| 42 | return recordingsHelper.getRecordingConsumer().loadRecordingFromName(recordingName).then(code.bind(this)); | |
14c2611bdigeff10 years ago | 43 | }); |
| 44 | }); | |
| 45 | }); | |
| 46 | this.test.skip = (expectation: string, recordingNames: string[], assertion?: (done: MochaDone) => void) => { | |
| 47 | test.skip(expectation, assertion); | |
| 48 | }; | |
| 49 | } | |
| 50 | } |