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test(e2e): stabilize software-rendered browser runs #917

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5 changes: 1 addition & 4 deletions .github/workflows/e2e.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,12 +29,9 @@ jobs:
run: npm ci
env:
DETECT_CHROMEDRIVER_VERSION: true
- name: Install xvfb (linux)
if: matrix.os == 'ubuntu-latest'
run: sudo apt-get install xvfb
- name: Run E2E on chrome (linux)
if: matrix.os == 'ubuntu-latest'
run: xvfb-run --server-args="-screen 0, 1400x1000x24" --auto-servernum npm run test:e2e:chrome
run: npm run test:e2e:chrome
- name: Set screen resolution (windows)
if: matrix.os == 'windows-latest'
run: Set-DisplayResolution -Width 1920 -Height 1080 -Force
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21 changes: 18 additions & 3 deletions wdio.chrome.conf.ts
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Expand Up @@ -8,13 +8,28 @@ if (IS_CI) {
chromeArgs.push(
'--no-sandbox',
'--disable-dev-shm-usage',
'--disable-infobars',
'--enable-unsafe-swiftshader'
'--disable-infobars'
);

if (process.platform === 'linux') {
// Force one software-rendering backend instead of relying on Chrome's
// machine-dependent WebGL fallback selection.
chromeArgs.push(
'--headless=new',
'--use-gl=angle',
'--use-angle=swiftshader'
);
} else {
chromeArgs.push('--enable-unsafe-swiftshader');
}
}

if (!IS_CI && !process.env.HEADED) {
chromeArgs.push('--headless=new', '--enable-unsafe-swiftshader');
chromeArgs.push(
'--headless=new',
'--use-gl=angle',
'--use-angle=swiftshader'
);
}

export const config = {
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6 changes: 4 additions & 2 deletions wdio.shared.conf.ts
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Expand Up @@ -41,7 +41,7 @@ export const applyTestViewport = (browser: any) =>
export const TEST_PORT = 4567;
// for slow connections try:
// DOWNLOAD_TIMEOUT=60000 && npm run test:e2e:dev
export const DOWNLOAD_TIMEOUT = Number(process.env.DOWNLOAD_TIMEOUT ?? 20000);
export const DOWNLOAD_TIMEOUT = Number(process.env.DOWNLOAD_TIMEOUT ?? 30000);

const IS_CI = !!(process.env.CI || process.env.GITHUB_ACTIONS);

Expand All @@ -68,7 +68,9 @@ export const config: Options.Testrunner = {
// ============
// Capabilities
// ============
maxInstances: IS_CI ? 1 : 6,
// WebGL rendering is resource-intensive enough that six local Chrome
// instances can starve one another and exceed view-rendering timeouts.
maxInstances: IS_CI ? 1 : 3,
//
// ===================
// Test Configurations
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