/
runner.ts
67 lines (63 loc) · 1.87 KB
/
runner.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import throat from 'throat';
import {Test, TestResult, createEmptyTestResult} from '@jest/test-result';
import type {Config} from '@jest/types';
import type {
OnTestFailure,
OnTestStart,
OnTestSuccess,
TestRunnerContext,
TestWatcher,
} from 'jest-runner';
export default class BaseTestRunner {
private _globalConfig: Config.GlobalConfig;
private _context: TestRunnerContext;
constructor(globalConfig: Config.GlobalConfig, context?: TestRunnerContext) {
this._globalConfig = globalConfig;
this._context = context || {};
}
async runTests(
tests: Array<Test>,
watcher: TestWatcher,
onStart: OnTestStart,
onResult: OnTestSuccess,
onFailure: OnTestFailure,
): Promise<void> {
const mutex = throat(1);
return tests.reduce(
(promise, test) =>
mutex(() =>
promise
.then(async (): Promise<TestResult> => {
await onStart(test);
return {
...createEmptyTestResult(),
numPassingTests: 1,
testFilePath: test.path,
testResults: [
{
ancestorTitles: [],
duration: 2,
failureDetails: [],
failureMessages: [],
fullName: 'sample test',
location: null,
numPassingAsserts: 1,
status: 'passed',
title: 'sample test',
},
],
};
})
.then(result => onResult(test, result))
.catch(err => onFailure(test, err)),
),
Promise.resolve(),
);
}
}