playwright/tests/config/coverageFixtures.ts

43 lines
1.6 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* 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 * as fs from 'fs';
import * as path from 'path';
import { installCoverageHooks } from './coverage';
import { test } from '@playwright/test';
export type CoverageWorkerOptions = {
coverageName?: string;
};
export const coverageTest = test.extend<{}, { __collectCoverage: void } & CoverageWorkerOptions>({
coverageName: [undefined, { scope: 'worker', option: true }],
__collectCoverage: [async ({ coverageName }, run, workerInfo) => {
if (!coverageName) {
await run();
return;
}
const { coverage, uninstall } = installCoverageHooks(coverageName);
await run();
uninstall();
const coveragePath = path.join(__dirname, '..', 'coverage-report', workerInfo.workerIndex + '.json');
const coverageJSON = Array.from(coverage.keys()).filter(key => coverage.get(key));
await fs.promises.mkdir(path.dirname(coveragePath), { recursive: true });
await fs.promises.writeFile(coveragePath, JSON.stringify(coverageJSON, undefined, 2), 'utf8');
}, { scope: 'worker', auto: true }],
});