playwright/tests/browsertype-launch-server.spec.ts

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/**
* Copyright 2017 Google Inc. All rights reserved.
* Modifications 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 { playwrightTest as it, expect } from './config/browserTest';
it.describe('launch server', () => {
it.skip(({ mode}) => mode !== 'default');
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it('should work', async ({browserType, browserOptions}) => {
const browserServer = await browserType.launchServer(browserOptions);
expect(browserServer.wsEndpoint()).not.toBe(null);
await browserServer.close();
});
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it('should work with port', async ({browserType, browserOptions}, testInfo) => {
const port = 8800 + testInfo.workerIndex;
const browserServer = await browserType.launchServer({ ...browserOptions, port });
expect(browserServer.wsEndpoint()).toContain(String(port));
await browserServer.close();
});
it('should work with wsPath', async ({browserType, browserOptions}) => {
const wsPath = '/unguessable-token';
const browserServer = await browserType.launchServer({ ...browserOptions, wsPath });
expect(browserServer.wsEndpoint()).toMatch(/:\d+\/unguessable-token$/);
await browserServer.close();
});
it('should work when wsPath is missing leading slash', async ({browserType, browserOptions}) => {
const wsPath = 'unguessable-token';
const browserServer = await browserType.launchServer({ ...browserOptions, wsPath });
expect(browserServer.wsEndpoint()).toMatch(/:\d+\/unguessable-token$/);
await browserServer.close();
});
it('should default to random wsPath', async ({browserType, browserOptions}) => {
const browserServer = await browserType.launchServer({ ...browserOptions });
expect(browserServer.wsEndpoint()).toMatch(/:\d+\/[a-f\d]{32}$/);
await browserServer.close();
});
it('should provide an error when ws endpoint is incorrect', async ({browserType, browserOptions}) => {
const browserServer = await browserType.launchServer(browserOptions);
const error = await browserType.connect({ wsEndpoint: browserServer.wsEndpoint() + '-foo' }).catch(e => e);
await browserServer.close();
expect(error.message).toContain('WebSocket server disconnected');
});
it('should fire "close" event during kill', async ({browserType, browserOptions}) => {
const order = [];
const browserServer = await browserType.launchServer(browserOptions);
const closedPromise = new Promise<void>(f => browserServer.on('close', () => {
order.push('closed');
f();
}));
await Promise.all([
browserServer.kill().then(() => order.push('killed')),
closedPromise,
]);
expect(order).toEqual(['closed', 'killed']);
});
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it('should return child_process instance', async ({browserType, browserOptions}) => {
const browserServer = await browserType.launchServer(browserOptions);
expect(browserServer.process().pid).toBeGreaterThan(0);
await browserServer.close();
});
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it('should fire close event', async ({browserType, browserOptions}) => {
const browserServer = await browserType.launchServer(browserOptions);
const [result] = await Promise.all([
// @ts-expect-error The signal parameter is not documented.
new Promise(f => browserServer.on('close', (exitCode, signal) => f({ exitCode, signal }))),
browserServer.close(),
]);
expect(result['exitCode']).toBe(0);
expect(result['signal']).toBe(null);
});
it('should log protocol', async ({browserType, browserOptions}) => {
const logs: string[] = [];
const logger = {
isEnabled(name: string) {
return true;
},
log(name: string, severity: string, message: string) {
logs.push(`${name}:${severity}:${message}`);
}
};
const browserServer = await browserType.launchServer({ ...browserOptions, logger });
await browserServer.close();
expect(logs.some(log => log.startsWith('protocol:verbose:SEND ►'))).toBe(true);
expect(logs.some(log => log.startsWith('protocol:verbose:◀ RECV'))).toBe(true);
});
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});