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Run Playwright’s screenshot assertions in a GitHub Actions workflow triggered by pushes and pull requests. Install the project’s locked dependencies and browser requirements, compare screenshots against reviewed baselines, and upload the report and failure images so reviewers can inspect a failed comparison. The key to dependable results is to generate and compare baselines in the same rendering environment.
Set up Playwright screenshot tests in your repository
This example assumes a JavaScript project that already uses Playwright Test and has a committed package-lock.json. Create .github/workflows/playwright.yml and add:
name: Playwright Tests
on:
push:
branches: [main]
pull_request:
branches: [main]
jobs:
test:
timeout-minutes: 60
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-node@v4
with:
node-version: lts/*
- run: npm ci
- run: npx playwright install --with-deps
- run: npx playwright test
- uses: actions/upload-artifact@v4
if: ${{ !cancelled() }}
with:
name: playwright-report
path: |
playwright-report/
test-results/
retention-days: 30The branch filters above run the workflow for pushes to main and pull requests targeting main. Adjust them if your repository uses another default branch or should test a broader set of branches. The runtime and install commands must also match your project; for example, use the equivalent locked install command if your repository uses a different package manager.
The action references shown are version tags. Review external actions before adding them, and check the current Playwright and GitHub Actions documentation when choosing or updating action references, runtime versions, workflow permissions, and artifact settings. Keep the lockfile in source control so CI installs the same project dependency versions.
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#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
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- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Add a visual assertion
In a Playwright test, navigate to the page and assert its screenshot:
import { test, expect } from '@playwright/test';
test('home page visual baseline', async ({ page }) => {
await page.goto('http://127.0.0.1:3000');
await expect(page).toHaveScreenshot('home-page.png');
});Replace the URL with the address your application serves during tests. If the app is not started by your existing Playwright configuration or test setup, configure that startup before the test runs; the workflow above does not start an application server on its own.
Understand and update screenshot baselines
On its first run, toHaveScreenshot() creates a reference image. Later runs compare the newly rendered screenshot with that baseline. Inspect the initial image before committing it: it becomes the expected appearance against which future runs are judged.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
When a deliberate UI change should alter the expected appearance, run npx playwright test --update-snapshots, inspect the resulting image changes, and commit only the baselines you accept alongside the code change. Do not update snapshots simply to make a failing check pass; first establish that the visual change is intentional.
Playwright supports assertion options such as maxDiffPixels. A stylesheet can also hide or neutralize unstable content. Apply these controls narrowly: a generous global tolerance may let meaningful regressions through, while unaddressed timestamps, animations, rotating images, or other dynamic regions can create noisy failures.
Keep the baseline and CI rendering environments consistent
Screenshot output may vary with the operating system, browser version, browser settings, hardware, and headless mode. Generate and compare baselines in the same environment wherever possible. Running CI in a consistent container can help control dependencies and rendering conditions.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
If developers generate snapshots on one operating system while CI runs on another, the rendered images may differ even when the page code has not changed. Playwright snapshot names include browser and platform information, and separate platform-specific baselines may be appropriate when teams genuinely need to compare across different systems. Prefer one agreed environment over maintaining extra baselines without a clear need.
Upload reports and failure images for review
Workflow artifacts preserve files produced by a job after it completes. The example uploads the Playwright HTML report and the test-results/ directory, where failure output and comparison images may be available depending on the project’s Playwright configuration. The report helps reviewers investigate failed tests and compare expected with received output.
The if: ${{ !cancelled() }} condition allows the upload step to run after a test failure, while not requiring it to run after the job is cancelled. Choose artifact retention to fit your review needs and repository policy. Artifacts are for retaining run output; they are distinct from dependency caches.
Rank #4
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- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Debug a visual test that fails in GitHub Actions
- The workflow did not run: Check that its
pushandpull_requesttriggers and branch filters include the event and target branch you expected. - Browser installation or launch failed: Read the failing step’s log. Confirm Playwright dependencies installed successfully and that the browser binaries and required operating-system libraries are available.
- The screenshot assertion failed: Download the artifacts and inspect the expected, actual, and diff images before changing a baseline.
- The test passes locally but fails in CI: Compare the local and CI operating systems, browser versions, fonts, settings, and headless behavior. Align environments where possible, and avoid generating a baseline on one platform for routine comparison on another.
- The diff changes between runs: Look for dynamic regions such as timestamps, animations, or rotating content. Stabilize or narrowly mask those regions before changing comparison thresholds.
- The failure reflects an intentional design change: Regenerate snapshots with
npx playwright test --update-snapshots, review each diff, and commit only accepted reference images.
GitHub exposes logs by workflow run and step; use them alongside downloaded artifacts to distinguish setup failures from actual visual differences.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Native Playwright comparisons or hosted visual review
Playwright’s built-in screenshot assertions keep reference images in the project and run comparisons as part of the test suite. Percy documents a Playwright client that uploads screenshots for hosted visual testing when configured with a project token. A hosted workflow may suit teams that want review outside local baseline files, but it is not required to run Playwright comparisons in GitHub Actions. Before adopting one, assess where comparisons and approvals happen, what credentials are needed, how screenshots and repository data are handled, and whether the workflow suits the team. Pricing and service terms are not established here; check the provider’s current terms directly.
Or skip the browser setup
If the job is to capture a webpage rather than compare a committed Playwright baseline, ScreenshotNeo provides a screenshot API and MCP server. A single GET request can return an image or PDF; see the ScreenshotNeo API documentation for request options.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpScreenshotNeo accepts cookie and consent banners before capture and removes more than 60 known consent platforms, newsletter popups, and chat widgets; those steps can be disabled. Bot checks, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers report the page verdict and billing status. Its MCP server offers take_screenshot, get_page_info, and capture_pdf for AI agents. The free plan includes 1,000 screenshots per month with no card; paid plans start at $5 for 3,000 screenshots. These are ScreenshotNeo plan terms, not a substitute for reviewing image diffs against version-controlled visual baselines. Learn about ScreenshotNeo or sign up free for 1,000 screenshots a month with no card.
Frequently Asked Questions
Can a ScreenshotNeo capture replace a Playwright visual regression test?
Not by itself. A capture returns an image or PDF; a regression check also needs an expected reference and a comparison step. Keep Playwright baselines when you need that version-controlled comparison.
Can a hosted visual-testing integration run in GitHub Actions?
Yes. Percy documents a Playwright client that uploads screenshots when configured with a project token. Whether that hosted review fits your team depends on its approval workflow and data-handling requirements.
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