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playwright-electron-config Configure Playwright for comprehensive Electron application testing including E2E tests, visual regression, accessibility audits, and cross-platform test matrices
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name playwright-electron-config description Configure Playwright for comprehensive Electron application testing including E2E tests, visual regression, accessibility audits, and cross-platform test matrices allowed-tools Read, Write, Edit, Bash, Glob, Grep tags ["electron","testing","playwright","e2e","automation"] graph {"domains":["domain:software-engineering"],"specializations":["specialization:desktop-development"],"skillAreas":["skill-area:e2e-testing","skill-area:desktop-ui-frameworks"],"roles":["role:desktop-developer","role:fullstack-engineer"],"workflows":["workflow:feature-development","workflow:release-management"],"topics":["topic:accessibility"]}
playwright-electron-config
Configure Playwright for comprehensive Electron application testing. This skill sets up the complete testing infrastructure including E2E tests, visual regression testing, accessibility audits, and cross-platform test matrices with CI/CD integration.
Capabilities
Configure Playwright for Electron with _electron fixture
Generate page object models for Electron windows
Set up visual regression testing with snapshots
Configure accessibility testing with axe-core
Create cross-platform test matrices for CI
Mock Electron APIs (dialog, shell, clipboard)
Test IPC communication between main and renderer
Generate test coverage reports
Input Schema {
"type" : "object" ,
"properties" : {
"projectPath" : {
"type" : "string" ,
"description" : "Path to the Electron project root"
} ,
"testDir" : {
"type" : "string" ,
"default" : "tests/e2e"
} ,
"features" : {
"type" : "array" ,
"items" : {
"enum" : [
"visualRegression" ,
"accessibility" ,
"coverage" ,
"performance" ,
"ipcTesting" ,
"multiWindow" ,
"systemDialogMocks"
]
} ,
"default" : [ "visualRegression" , "accessibility" , "ipcTesting" ]
} ,
"platforms" : {
"type" : "array" ,
"items" : { "enum" : [ "windows" , "macos" , "linux" ] } ,
"default" : [ "windows" , "macos" , "linux" ]
} ,
"pageObjects" : {
"type" : "array" ,
"items" : {
"type" : "object" ,
"properties" : {
"name" : { "type" : "string" } ,
"selectors" : { "type" : "object" }
}
} ,
"description" : "Page objects to generate"
} ,
"ciIntegration" : {
"type" : "object" ,
"properties" : {
"provider" : { "enum" : [ "github-actions" , "azure-devops" , "circleci" , "gitlab" ] } ,
"parallelization" : { "type" : "boolean" , "default" : true } ,
"sharding" : { "type" : "number" , "description" : "Number of shards" }
}
}
} ,
"required" : [ "projectPath" ]
}
Output Schema {
"type" : "object" ,
"properties" : {
"success" : { "type" : "boolean" } ,
"files" : {
"type" : "array" ,
"items" : {
"type" : "object" ,
"properties" : {
"path" : { "type" : "string" } ,
"type" : { "enum" : [ "config" , "fixture" , "pageObject" , "test" , "helper" , "ci" ] }
}
}
} ,
"commands" : {
"type" : "object" ,
"properties" : {
"runTests" : { "type" : "string" } ,
"updateSnapshots" : { "type" : "string" } ,
"showReport" : { "type" : "string" }
}
} ,
"ciWorkflow" : {
"type" : "string" ,
"description" : "Path to generated CI workflow file"
}
} ,
"required" : [ "success" , "files" ]
}
Generated File Structure tests/
e2e/
playwright.config.ts # Main Playwright config
fixtures/
electron-app.ts # Electron fixture
test-utils.ts # Test utilities
page-objects/
MainWindow.ts # Page object models
SettingsDialog.ts
specs/
app.spec.ts # Application tests
ipc.spec.ts # IPC tests
visual.spec.ts # Visual regression
a11y.spec.ts # Accessibility tests
mocks/
electron-api-mocks.ts # Electron API mocks
ipc-mocks.ts # IPC mocks
snapshots/ # Visual snapshots
reports/ # Test reports
Code Templates
Playwright Configuration for Electron
import { defineConfig, devices } from '@playwright/test' ;
export default defineConfig ({
testDir : './tests/e2e/specs' ,
fullyParallel : true ,
forbidOnly : !!process.env .CI ,
retries : process.env .CI ? 2 : 0 ,
workers : process.env .CI ? 1 : undefined ,
reporter : [
['html' , { outputFolder : 'tests/e2e/reports' }],
['json' , { outputFile : 'tests/e2e/reports/results.json' }],
],
use : {
trace : 'on-first-retry' ,
screenshot : 'only-on-failure' ,
video : 'retain-on-failure' ,
},
projects : [
{
name : 'electron' ,
testMatch : '**/*.spec.ts' ,
},
],
});
Electron Test Fixture
import { test as base, ElectronApplication , Page } from '@playwright/test' ;
import { _electron as electron } from 'playwright' ;
import path from 'path' ;
export type TestFixtures = {
electronApp : ElectronApplication ;
mainWindow : Page ;
};
export const test = base.extend <TestFixtures >({
electronApp : async ({}, use) => {
const electronApp = await electron.launch ({
args : [path.join (__dirname, '../../dist/main/main.js' )],
env : {
...process.env ,
NODE_ENV : 'test' ,
},
});
await use (electronApp);
await electronApp.close ();
},
mainWindow : async ({ electronApp }, use) => {
const window = await electronApp.firstWindow ();
await window .waitForLoadState ('domcontentloaded' );
await use (window );
},
});
export { expect } from '@playwright/test' ;
Page Object Model
import { Page , Locator } from '@playwright/test' ;
export class MainWindow {
readonly page : Page ;
readonly titleBar : Locator ;
readonly sidebar : Locator ;
readonly mainContent : Locator ;
readonly statusBar : Locator ;
constructor (page : Page this .page = page;
this .titleBar = page.locator ('[data-testid="title-bar"]' );
this .sidebar = page.locator ('[data-testid="sidebar"]' );
this .mainContent = page.locator ('[data-testid="main-content"]' );
this .statusBar = page.locator ('[data-testid="status-bar"]' );
}
async getTitle (): Promise <string > {
return this .page .title ();
}
async openSettings (): Promise <void > {
await this .page .click ('[data-testid="settings-button"]' );
await this .page .waitForSelector ('[data-testid="settings-dialog"]' );
}
async navigateTo (section : string ): Promise <void > {
await this .sidebar .locator (`[data-section="${section} "]` ).click ();
await this .page .waitForLoadState ('networkidle' );
}
async screenshot (name : string ): Promise <Buffer > {
return this .page .screenshot ({ path : `tests/e2e/snapshots/${name} .png` });
}
}
IPC Testing
import { test, expect } from '../fixtures/electron-app' ;
test.describe ('IPC Communication' , () => {
test ('should send message to main process' , async ({ electronApp, mainWindow }) => {
const result = await electronApp.evaluate (async ({ ipcMain }) => {
return new Promise ((resolve ) => {
ipcMain.once ('test-channel' , (event, data ) => {
resolve (data);
});
});
});
await mainWindow.evaluate (() => {
window .electronAPI .send ('test-channel' , { message : 'hello' });
});
expect (result).toEqual ({ message : 'hello' });
});
test ('should receive response from main process' , async ({ mainWindow }) => {
const response = await mainWindow.evaluate (async () => {
return window .electronAPI .invoke ('get-app-version' );
});
expect (response).toMatch (/^\d+\.\d+\.\d+$/ );
});
});
Visual Regression Testing
import { test, expect } from '../fixtures/electron-app' ;
import { MainWindow } from '../page-objects/MainWindow' ;
test.describe ('Visual Regression' , () => {
test ('main window matches snapshot' , async ({ mainWindow }) => {
const page = new MainWindow (mainWindow);
await mainWindow.waitForTimeout (500 );
await expect (mainWindow).toHaveScreenshot ('main-window.png' , {
maxDiffPixels : 100 ,
});
});
test ('dark mode matches snapshot' , async ({ electronApp, mainWindow }) => {
await mainWindow.evaluate (() => {
window .electronAPI .invoke ('set-theme' , 'dark' );
});
await mainWindow.waitForTimeout (300 );
await expect (mainWindow).toHaveScreenshot ('main-window-dark.png' , {
maxDiffPixels : 100 ,
});
});
test ('settings dialog matches snapshot' , async ({ mainWindow }) => {
const page = new MainWindow (mainWindow);
await page.openSettings ();
const dialog = mainWindow.locator ('[data-testid="settings-dialog"]' );
await expect (dialog).toHaveScreenshot ('settings-dialog.png' );
});
});
Accessibility Testing
import { test, expect } from '../fixtures/electron-app' ;
import AxeBuilder from '@axe-core/playwright' ;
test.describe ('Accessibility' , () => {
test ('main window should have no accessibility violations' , async ({ mainWindow }) => {
const accessibilityScanResults = await new AxeBuilder ({ page : mainWindow })
.withTags (['wcag2a' , 'wcag2aa' , 'wcag21a' , 'wcag21aa' ])
.analyze ();
expect (accessibilityScanResults.violations ).toEqual ([]);
});
test ('keyboard navigation should work' , async ({ mainWindow }) => {
await mainWindow.keyboard .press ('Tab' );
const firstFocused = await mainWindow.evaluate (() =>
document .activeElement ?.getAttribute ('data-testid' )
);
expect (firstFocused).toBeTruthy ();
const focusedElement = mainWindow.locator (':focus' );
await expect (focusedElement).toBeVisible ();
});
test ('screen reader announcements should be correct' , async ({ mainWindow }) => {
const button = mainWindow.locator ('[data-testid="save-button"]' );
await expect (button).toHaveAttribute ('aria-label' );
const liveRegion = mainWindow.locator ('[aria-live="polite"]' );
await expect (liveRegion).toBeAttached ();
});
});
Electron API Mocks
import { ElectronApplication } from '@playwright/test' ;
export async function mockDialog (
electronApp : ElectronApplication ,
response : { filePaths?: string []; canceled?: boolean }
) {
await electronApp.evaluate (
async ({ dialog }, response) => {
dialog.showOpenDialog = async () => response;
dialog.showSaveDialog = async () => ({
filePath : response.filePaths ?.[0 ],
canceled : response.canceled ?? false ,
});
},
response
);
}
export async function mockClipboard (
electronApp : ElectronApplication ,
content : string
) {
await electronApp.evaluate (
async ({ clipboard }, content) => {
clipboard.readText = () => content;
clipboard.writeText = () => {};
},
content
);
}
export async function mockShell (electronApp : ElectronApplication const openedUrls : string [] = [];
await electronApp.evaluate (async ({ shell }) => {
shell.openExternal = async (url) => {
return true ;
};
});
return { openedUrls };
}
GitHub Actions CI Workflow
name: E2E Tests
on:
push:
branches: [main ]
pull_request:
branches: [main ]
jobs:
test:
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest , windows-latest , macos-latest ]
shardIndex: [1 , 2 , 3 , 4 ]
shardTotal: [4 ]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v4
- uses: actions/setup-node@v4
with:
node-version: 20
- name: Install dependencies
run: npm ci
- name: Build Electron app
run: npm run build
- name: Install Playwright
run: npx playwright install --with-deps
- name: Run Playwright tests
run: npx playwright test --shard=${{ matrix.shardIndex }}/${{ matrix.shardTotal }}
- name: Upload test artifacts
uses: actions/upload-artifact@v4
if: always()
with:
name: playwright-report-${{ matrix.os }}-${{ matrix.shardIndex }}
path: tests/e2e/reports/
- name: Upload snapshots
uses: actions/upload-artifact@v4
if: failure()
with:
name: snapshots-${{ matrix.os }}-${{ matrix.shardIndex }}
path: tests/e2e/snapshots/
merge-reports:
needs: test
runs-on: ubuntu-latest
steps:
- uses: actions/download-artifact@v4
with:
pattern: playwright-report-*
merge-multiple: true
path: merged-reports
- name: Merge reports
run: npx playwright merge-reports merged-reports --reporter html
Best Practices
Use data-testid attributes - Stable selectors for test automationWait for app ready state - Use waitForLoadState() before interactionsMock external dependencies - Dialog, shell, network callsRun tests in isolation - Fresh app instance per test when neededUse visual snapshots carefully - Allow pixel tolerance for CI variationsTest on actual platforms - Cross-platform matrix in CI
Community References
Related Skills
electron-builder-config - Build configurationelectron-mock-factory - Mock Electron APIsvisual-regression-setup - Visual testing setupaccessibility-test-runner - Accessibility audits
Related Agents
desktop-test-architect - Testing strategyui-automation-specialist - UI automation expertise 