playwright/test/runner/checkCoverage.js

71 lines
2.2 KiB
JavaScript

/**
* Copyright Microsoft Corporation. All rights reserved.
*
* 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.
*/
const path = require('path');
const fs = require('fs');
const {installCoverageHooks} = require('./coverage');
const browserName = process.env.BROWSER || 'chromium';
const api = new Set(installCoverageHooks(browserName).coverage.keys());
// coverage exceptions
if (browserName === 'chromium') {
// Sometimes we already have a background page while launching, before adding a listener.
api.delete('chromiumBrowserContext.emit("backgroundpage")');
}
if (browserName !== 'chromium') {
// we don't have CDPSession in non-chromium browsers
api.delete('cDPSession.send');
api.delete('cDPSession.detach');
}
// Some permissions tests are disabled in webkit. See permissions.jest.js
if (browserName === 'webkit')
api.delete('browserContext.clearPermissions');
// Screencast APIs that are not publicly available.
api.delete('browserContext.emit("screencaststarted")');
api.delete('browserContext.emit("screencaststopped")');
const coverageDir = path.join(__dirname, '..', 'coverage-report', 'coverage');
const coveredMethods = new Set();
for (const file of getCoverageFiles(coverageDir)) {
for (const method of JSON.parse(fs.readFileSync(file, 'utf8')))
coveredMethods.add(method);
}
let success = true;
for (const method of api) {
if (coveredMethods.has(method))
continue;
success = false;
console.log(`ERROR: Missing coverage for "${method}"`)
}
process.exit(success ? 0 : 1);
function * getCoverageFiles(dir) {
for (const entry of fs.readdirSync(dir, {withFileTypes: true})) {
if (entry.isDirectory())
yield * getCoverageFiles(path.join(dir, entry.name))
else
yield path.join(dir, entry.name);
}
}