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chore(pw-test): forward web-server stdout to debug target (#11384)

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Max Schmitt 2022-01-13 23:55:46 +01:00 committed by GitHub
parent 93a20ee419
commit badb5b4d13
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4 changed files with 8 additions and 5 deletions
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2
docs/src/test-advanced-js.md
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@ -139,7 +139,7 @@ export const test = base.extend<{ saveLogs: void }>({
To launch a server during the tests, use the `webServer` option in the [configuration file](#configuration-object).
You can specify a port via `port` or additional environment variables, see [here](#configuration-object). The server will wait for it to be available (on `127.0.0.1` or `::1`) before running the tests. For continuous integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server on the CI.
You can specify a port via `port` or additional environment variables, see [here](#configuration-object). The server will wait for it to be available (on `127.0.0.1` or `::1`) before running the tests. For continuous integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server on the CI. To see the stdout, you can set the `DEBUG=pw:webserver` environment variable.
The port gets then passed over to Playwright as a [`param: baseURL`] when creating the context [`method: Browser.newContext`].

2
docs/src/test-api/class-testconfig.md
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@ -567,7 +567,7 @@ export default config;
Launch a development web server during the tests.
The server will wait for it to be available on `127.0.0.1` or `::1` before running the tests. For continuous integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server on the CI.
The server will wait for it to be available on `127.0.0.1` or `::1` before running the tests. For continuous integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server on the CI. To see the stdout, you can set the `DEBUG=pw:webserver` environment variable.
The port gets then passed over to Playwright as a `baseURL` when creating the context [`method: Browser.newContext`].
For example `8080` ends up in `baseURL` to be `http://localhost:8080`. If you want to use `https://` you need to manually specify

5
packages/playwright-test/src/webServer.ts
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@ -17,6 +17,7 @@
import net from 'net';
import os from 'os';
import stream from 'stream';
import debug from 'debug';
import { monotonicTime } from './util';
import { raceAgainstDeadline } from 'playwright-core/lib/utils/async';
import { WebServerConfig } from './types';
@ -33,6 +34,8 @@ const newProcessLogPrefixer = () => new stream.Transform({
},
});
const debugWebServer = debug('pw:webserver');
export class WebServer {
private _killProcess?: () => Promise<void>;
private _processExitedPromise!: Promise<any>;
@ -79,7 +82,7 @@ export class WebServer {
this._killProcess = kill;
launchedProcess.stderr!.pipe(newProcessLogPrefixer()).pipe(process.stderr);
launchedProcess.stdout!.on('data', () => {});
launchedProcess.stdout!.on('data', (line: Buffer) => debugWebServer(line.toString()));
}
private async _waitForProcess() {

4
packages/playwright-test/types/test.d.ts vendored
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@ -572,7 +572,7 @@ interface TestConfig {
*
* The server will wait for it to be available on `127.0.0.1` or `::1` before running the tests. For continuous
* integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server
* on the CI.
* on the CI. To see the stdout, you can set the `DEBUG=pw:webserver` environment variable.
*
* The port gets then passed over to Playwright as a `baseURL` when creating the context
* [browser.newContext([options])](https://playwright.dev/docs/api/class-browser#browser-new-context). For example `8080`
@ -1061,7 +1061,7 @@ export interface FullConfig<TestArgs = {}, WorkerArgs = {}> {
*
* The server will wait for it to be available on `127.0.0.1` or `::1` before running the tests. For continuous
* integration, you may want to use the `reuseExistingServer: !process.env.CI` option which does not use an existing server
* on the CI.
* on the CI. To see the stdout, you can set the `DEBUG=pw:webserver` environment variable.
*
* The port gets then passed over to Playwright as a `baseURL` when creating the context
* [browser.newContext([options])](https://playwright.dev/docs/api/class-browser#browser-new-context). For example `8080`