import * as plugins from './tapbundle.plugins'; import { IPreTaskFunction, PreTask } from './tapbundle.classes.pretask'; import { TapTest, ITestFunction } from './tapbundle.classes.taptest'; export class Tap { /** * skips a test * tests marked with tap.skip.test() are never executed */ public skip = { test: (descriptionArg: string, functionArg: ITestFunction) => { console.log(`skipped test: ${descriptionArg}`); }, testParallel: (descriptionArg: string, functionArg: ITestFunction) => { console.log(`skipped test: ${descriptionArg}`); }, }; /** * only executes tests marked as ONLY */ public only = { test: (descriptionArg: string, testFunctionArg: ITestFunction) => { this.test(descriptionArg, testFunctionArg, 'only'); }, }; private _tapPreTasks: PreTask[] = []; private _tapTests: TapTest[] = []; private _tapTestsOnly: TapTest[] = []; /** * Normal test function, will run one by one * @param testDescription - A description of what the test does * @param testFunction - A Function that returns a Promise and resolves or rejects */ public test( testDescription: string, testFunction: ITestFunction, modeArg: 'normal' | 'only' | 'skip' = 'normal' ): TapTest { const localTest = new TapTest({ description: testDescription, testFunction, parallel: false, }); if (modeArg === 'normal') { this._tapTests.push(localTest); } else if (modeArg === 'only') { this._tapTestsOnly.push(localTest); } return localTest; } public preTask(descriptionArg: string, functionArg: IPreTaskFunction) { this._tapPreTasks.push(new PreTask(descriptionArg, functionArg)); } /** * A parallel test that will not be waited for before the next starts. * @param testDescription - A description of what the test does * @param testFunction - A Function that returns a Promise and resolves or rejects */ public testParallel(testDescription: string, testFunction: ITestFunction) { this._tapTests.push( new TapTest({ description: testDescription, testFunction, parallel: true, }) ); } /** * starts the test evaluation */ public async start(optionsArg?: { throwOnError: boolean }) { // lets set the tapbundle promise const smartenvInstance = new plugins.smartenv.Smartenv(); smartenvInstance.isBrowser ? (globalThis.tapbundleDeferred = plugins.smartpromise.defer()) : null; // lets continue with running the tests const promiseArray: Array> = []; // safeguard against empty test array if (this._tapTests.length === 0) { console.log('no tests specified. Ending here!'); // TODO: throw proper error return; } // determine which tests to run let concerningTests: TapTest[]; if (this._tapTestsOnly.length > 0) { concerningTests = this._tapTestsOnly; } else { concerningTests = this._tapTests; } // lets run the pretasks for (const preTask of this._tapPreTasks) { await preTask.run(); } console.log(`1..${concerningTests.length}`); for (let testKey = 0; testKey < concerningTests.length; testKey++) { const currentTest = concerningTests[testKey]; const testPromise = currentTest.run(testKey); if (currentTest.parallel) { promiseArray.push(testPromise); } else { await testPromise; } } await Promise.all(promiseArray); // when tests have been run and all promises are fullfilled const failReasons: string[] = []; const executionNotes: string[] = []; // collect failed tests for (const tapTest of concerningTests) { if (tapTest.status !== 'success') { failReasons.push( `Test ${tapTest.testKey + 1} failed with status ${tapTest.status}:\n` + `|| ${tapTest.description}\n` + `|| for more information please take a look the logs above` ); } } // render fail Reasons for (const failReason of failReasons) { console.log(failReason); } if (optionsArg && optionsArg.throwOnError && failReasons.length > 0) { if (!smartenvInstance.isBrowser) process.exit(1); } if (smartenvInstance.isBrowser) { globalThis.tapbundleDeferred.resolve(); } } /** * handle errors */ public threw(err) { console.log(err); } } export let tap = new Tap();