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queue up dirtyTestFiles

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Simon Knott 2024-08-26 10:04:19 +02:00
parent 74f095904b
commit e53c5c6e6a
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GPG key ID: 8CEDC00028084AEC
1 changed files with 19 additions and 13 deletions
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16
packages/playwright/src/runner/watchMode.ts
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@ -26,7 +26,6 @@ import { PlaywrightServer } from 'playwright-core/lib/remote/playwrightServer';
import { TestServerDispatcher } from './testServer';
import { EventEmitter } from 'stream';
import { type TestServerTransport, TestServerConnection } from '../isomorphic/testServerConnection';
import { createFileMatcherFromArguments } from '../util';
import { TeleSuiteUpdater } from '../isomorphic/teleSuiteUpdater';
class InMemoryTransport extends EventEmitter implements TestServerTransport {
@ -95,10 +94,13 @@ export async function runWatchModeLoop(configLocation: ConfigLocation, initialOp
const dirtyTestFiles = new Set<string>();
const onDirtyTestFiles: { resolve?(): void } = {};
testServerConnection.onTestFilesChanged(async ({ testFiles: changedFiles }) => {
let queue = Promise.resolve();
testServerConnection.onTestFilesChanged(({ testFiles: changedFiles }) => {
if (changedFiles.length === 0)
return;
queue = queue.then(async () => {
const { report } = await testServerConnection.listTests({ locations: options.files, projects: options.projects, grep: options.grep });
teleSuiteUpdater.processListReport(report);
@ -109,11 +111,15 @@ export async function runWatchModeLoop(configLocation: ConfigLocation, initialOp
}
}
if (dirtyTestFiles.size === 0)
return;
// if listTests takes longer than the debouncing interval of onTestFilesChanged,
// then the queue might contain another listTests call.
// appending `resolve` to the queue ensures that all pending listTests calls are executed first.
queue = queue.then(() => {
if (dirtyTestFiles.size > 0)
onDirtyTestFiles.resolve?.();
});
});
});
testServerConnection.onReport(report => teleSuiteUpdater.processTestReportEvent(report));
await testServerConnection.initialize({ interceptStdio: false, watchTestDirs: true });