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Technology

Playwright

Difficulty

Beginner

Experience

Fresher

Type

Technical

AutomateQA Team

QA Automation Engineers

June 19, 2026

Interview Question

How do you run Playwright tests from the command line?

Q: How do you run Playwright tests from the command line?

Running Playwright Tests from the CLI Run All Tests bash npx playwright test Run a Specific File bash npx playwright test tests/login.spec.ts npx playwright test login Run a Specific Test by Name bash npx playwright test -g "user can log in" npx playwright test --grep "checkout" Run with Browser Visible (Headed) bash npx playwright test --headed Run on Specific Browser bash npx playwright test --project=chromium npx playwright test --project=firefox npx playwright test --project=webkit Run on Multiple Browsers bash npx playwright test --project=chromium --project=firefox Control Parallel Worke

Answer

Running Playwright Tests from the CLI

Run All Tests

Bash

npx playwright test

Run a Specific File

Bash

npx playwright test tests/login.spec.ts
npx playwright test login

Run a Specific Test by Name

Bash

npx playwright test -g "user can log in"
npx playwright test --grep "checkout"

Run with Browser Visible (Headed)

Bash

npx playwright test --headed

Run on Specific Browser

Bash

npx playwright test --project=chromium
npx playwright test --project=firefox
npx playwright test --project=webkit

Run on Multiple Browsers

Bash

npx playwright test --project=chromium --project=firefox

Control Parallel Workers

Bash

npx playwright test --workers=4
npx playwright test --workers=1   # Sequential (no parallel)

Show Test List (Dry Run)

Bash

npx playwright test --list

Run and Open HTML Report

Bash

npx playwright test
npx playwright show-report

Debug Mode (Opens Inspector)

Bash

npx playwright test --debug
npx playwright test login.spec.ts --debug

Run with Trace

Bash

npx playwright test --trace on

Retry Failed Tests

Bash

npx playwright test --retries=3

Run in UI Mode (Interactive)

Bash

npx playwright test --ui

Sharding (for CI parallel machines)

Bash

# Machine 1 of 3
npx playwright test --shard=1/3

# Machine 2 of 3
npx playwright test --shard=2/3

Full Command Reference

Bash

npx playwright test                   # Run all tests
npx playwright test --headed          # Show browser
npx playwright test --debug           # Debug mode
npx playwright test --ui              # UI mode
npx playwright test -g "login"        # Filter by name
npx playwright test --project=chrome  # Specific browser
npx playwright test --workers=4       # Parallelism
npx playwright test --retries=2       # Retry on fail
npx playwright test --reporter=html   # HTML report
npx playwright show-report            # Open last report
npx playwright codegen https://url    # Record new test