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Dmitriy Vasyura (dmitrivMS) wants to merge 5 commits into
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ci: Reduce test runner startup overhead #334833

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5612608
ci: parallelize integration and smoke test shards
dmitrivMS Sep 6, 2026
254c1f2
ci: reduce test runner startup overhead
dmitrivMS Sep 6, 2026
fcf9b69
Merge branch 'main' into agents/ci-performance-optimization
dmitrivMS Sep 7, 2026
6cb0179
ci: reuse prepared runners for integration tests
dmitrivMS Sep 7, 2026
7bc0c5d
Revert "ci: parallelize integration and smoke test shards"
dmitrivMS Sep 8, 2026
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3 changes: 2 additions & 1 deletion .github/workflows/pr-darwin-test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ jobs:
ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
NPM_ARCH: arm64
VSCODE_ARCH: arm64
VSCODE_SKIP_PRELAUNCH: '1'
steps:
- name: Checkout microsoft/vscode
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
Expand Down Expand Up @@ -222,7 +223,7 @@ jobs:
run: npm run compile

- name: Compile Copilot Chat extension for smoke tests
if: ${{ inputs.smoke_tests }}
if: ${{ inputs.smoke_tests && !inputs.browser_tests }}
working-directory: extensions/copilot
run: npm run compile

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5 changes: 3 additions & 2 deletions .github/workflows/pr-linux-test.yml
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Expand Up @@ -31,6 +31,7 @@ jobs:
ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
NPM_ARCH: x64
VSCODE_ARCH: x64
VSCODE_SKIP_PRELAUNCH: '1'
steps:
- name: Checkout microsoft/vscode
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
Expand Down Expand Up @@ -425,7 +426,7 @@ jobs:
run: npm run compile

- name: Compile Copilot Chat extension for smoke tests
if: ${{ inputs.smoke_tests }}
if: ${{ inputs.smoke_tests && !inputs.browser_tests }}
working-directory: extensions/copilot
run: npm run compile

Expand All @@ -442,7 +443,7 @@ jobs:
# https://github.com/anthropics/claude-agent-sdk-typescript for the SDK
# resolution order.
- name: Remove musl Claude binary on glibc Linux
if: ${{ inputs.smoke_tests }}
if: ${{ inputs.smoke_tests && !inputs.browser_tests }}
run: rm -rf node_modules/@anthropic-ai/claude-agent-sdk-linux-x64-musl node_modules/@anthropic-ai/claude-agent-sdk-linux-arm64-musl

- name: Diagnostics before smoke test run (processes, max_user_watches, number of opened file handles)
Expand Down
3 changes: 2 additions & 1 deletion .github/workflows/pr-win32-test.yml
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Expand Up @@ -31,6 +31,7 @@ jobs:
ARTIFACT_NAME: ${{ (inputs.electron_tests && 'electron') || (inputs.browser_tests && 'browser') || (inputs.remote_tests && 'remote') || 'unknown' }}${{ (inputs.unit_tests && !inputs.integration_tests && '-unit') || (!inputs.unit_tests && !inputs.integration_tests && inputs.smoke_tests && '-smoke') || '' }}
NPM_ARCH: x64
VSCODE_ARCH: x64
VSCODE_SKIP_PRELAUNCH: '1'
steps:
- name: Checkout microsoft/vscode
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
Expand Down Expand Up @@ -257,7 +258,7 @@ jobs:
run: npm run compile

- name: Compile Copilot Chat extension for smoke tests
if: ${{ inputs.smoke_tests }}
if: ${{ inputs.smoke_tests && !inputs.browser_tests }}
working-directory: extensions/copilot
run: npm run compile

Expand Down
2 changes: 1 addition & 1 deletion extensions/vscode-test-resolver/src/extension.ts
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Expand Up @@ -147,7 +147,7 @@ export function activate(context: vscode.ExtensionContext) {
}

const { updateUrl, commit, quality, serverDataFolderName, serverApplicationName, dataFolderName } = getProductConfiguration();
const commandArgs = ['--host=127.0.0.1', '--port=0', '--disable-telemetry', '--disable-experiments', '--use-host-proxy', '--accept-server-license-terms'];
const commandArgs = ['--host=127.0.0.1', '--port=0', '--disable-telemetry', '--disable-experiments', '--use-host-proxy', '--accept-server-license-terms', '--force-disable-user-env'];
const env = getNewEnv();
const remoteDataDir = process.env['TESTRESOLVER_DATA_FOLDER'] || path.join(os.homedir(), `${serverDataFolderName || dataFolderName}-testresolver`);
const logsDir = process.env['TESTRESOLVER_LOGS_FOLDER'];
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1 change: 1 addition & 0 deletions test/automation/src/playwrightBrowser.ts
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Expand Up @@ -45,6 +45,7 @@ async function launchServer(options: LaunchOptions) {
'--disable-telemetry',
'--disable-experiments',
'--disable-workspace-trust',
'--force-disable-user-env',
`--port=${port++}`,
'--enable-smoke-test-driver',
'--accept-server-license-terms',
Expand Down
2 changes: 1 addition & 1 deletion test/integration/browser/src/index.ts
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Expand Up @@ -191,7 +191,7 @@ async function launchServer(browserType: BrowserType, browserChannel: BrowserCha
...process.env
};

const serverArgs = ['--enable-proposed-api', '--disable-telemetry', '--disable-experiments', '--server-data-dir', userDataDir, '--accept-server-license-terms', '--disable-workspace-trust', '--enable-smoke-test-driver'];
const serverArgs = ['--enable-proposed-api', '--disable-telemetry', '--disable-experiments', '--server-data-dir', userDataDir, '--accept-server-license-terms', '--disable-workspace-trust', '--enable-smoke-test-driver', '--force-disable-user-env'];

let serverLocation: string;
if (process.env.VSCODE_REMOTE_SERVER_PATH) {
Expand Down
2 changes: 1 addition & 1 deletion test/unit/browser/index.js
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Expand Up @@ -91,7 +91,7 @@ const withReporter = (function () {
{
const testResultsRoot = process.env.BUILD_ARTIFACTSTAGINGDIRECTORY || process.env.GITHUB_WORKSPACE;
return (browserType, runner) => {
new mocha.reporters.Spec(runner);
new mocha.reporters.Dot(runner);
new MochaJUnitReporter(runner, {
reporterOptions: {
testsuitesTitle: `${args.tfs} ${process.platform}`,
Expand Down