mirror of
https://github.com/PostHog/posthog.git
synced 2024-11-30 19:41:46 +01:00
287 lines
15 KiB
YAML
287 lines
15 KiB
YAML
name: Storybook
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on:
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pull_request:
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paths: # Only run if the frontend has changed
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- 'frontend/**'
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- '.storybook/**'
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- 'package.json'
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- '.github/workflows/storybook-chromatic.yml'
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- 'playwright.config.ts'
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concurrency:
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group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
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# This is so that the workflow run isn't canceled when a snapshot update is pushed within it by posthog-bot
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# We do however cancel from container-images-ci.yml if a commit is pushed by someone OTHER than posthog-bot
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cancel-in-progress: false
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jobs:
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storybook-chromatic:
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name: Publish to Chromatic
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runs-on: ubuntu-latest
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timeout-minutes: 15
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if: github.event.pull_request.head.repo.full_name == github.repository # Don't run on forks
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outputs:
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storybook-url: ${{ steps.publish.outputs.storybookUrl }}
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steps:
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- uses: actions/checkout@v3
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with:
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fetch-depth: 0 # 👈 Required to retrieve git history (https://www.chromatic.com/docs/github-actions)
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- name: Install pnpm
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uses: pnpm/action-setup@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: 18.12.1
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cache: pnpm
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- name: Install dependencies and Chromatic
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run: pnpm i -D chromatic
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- name: Publish to Chromatic
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uses: chromaui/action@v11
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id: publish
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with:
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token: ${{ secrets.GITHUB_TOKEN }}
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# 👇 Chromatic projectToken, refer to the manage page to obtain it.
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projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
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visual-regression:
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name: Visual regression tests
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runs-on: ubuntu-latest
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timeout-minutes: 30
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container:
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image: mcr.microsoft.com/playwright:v1.45.0
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strategy:
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fail-fast: false
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matrix:
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browser: ['chromium', 'webkit']
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shard: [1, 2]
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env:
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SHARD_COUNT: '2'
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CYPRESS_INSTALL_BINARY: '0'
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NODE_OPTIONS: --max-old-space-size=6144
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OPT_OUT_CAPTURE: 1
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outputs:
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# The below have to be manually listed unfortunately, as GitHub Actions doesn't allow matrix-dependent outputs
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chromium-1-added: ${{ steps.diff.outputs.chromium-1-added }}
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chromium-1-modified: ${{ steps.diff.outputs.chromium-1-modified }}
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chromium-1-deleted: ${{ steps.diff.outputs.chromium-1-deleted }}
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chromium-1-total: ${{ steps.diff.outputs.chromium-1-total }}
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chromium-1-commitHash: ${{ steps.commit-hash.outputs.chromium-1-commitHash }}
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chromium-2-added: ${{ steps.diff.outputs.chromium-2-added }}
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chromium-2-modified: ${{ steps.diff.outputs.chromium-2-modified }}
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chromium-2-deleted: ${{ steps.diff.outputs.chromium-2-deleted }}
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chromium-2-total: ${{ steps.diff.outputs.chromium-2-total }}
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chromium-2-commitHash: ${{ steps.commit-hash.outputs.chromium-2-commitHash }}
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webkit-1-added: ${{ steps.diff.outputs.webkit-1-added }}
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webkit-1-modified: ${{ steps.diff.outputs.webkit-1-modified }}
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webkit-1-deleted: ${{ steps.diff.outputs.webkit-1-deleted }}
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webkit-1-total: ${{ steps.diff.outputs.webkit-1-total }}
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webkit-1-commitHash: ${{ steps.commit-hash.outputs.webkit-1-commitHash }}
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webkit-2-added: ${{ steps.diff.outputs.webkit-2-added }}
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webkit-2-modified: ${{ steps.diff.outputs.webkit-2-modified }}
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webkit-2-deleted: ${{ steps.diff.outputs.webkit-2-deleted }}
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webkit-2-total: ${{ steps.diff.outputs.webkit-2-total }}
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webkit-2-commitHash: ${{ steps.commit-hash.outputs.webkit-2-commitHash }}
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firefox-1-added: ${{ steps.diff.outputs.firefox-1-added }}
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firefox-1-modified: ${{ steps.diff.outputs.firefox-1-modified }}
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firefox-1-deleted: ${{ steps.diff.outputs.firefox-1-deleted }}
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firefox-1-total: ${{ steps.diff.outputs.firefox-1-total }}
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firefox-1-commitHash: ${{ steps.commit-hash.outputs.firefox-1-commitHash }}
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firefox-2-added: ${{ steps.diff.outputs.firefox-2-added }}
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firefox-2-modified: ${{ steps.diff.outputs.firefox-2-modified }}
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firefox-2-deleted: ${{ steps.diff.outputs.firefox-2-deleted }}
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firefox-2-total: ${{ steps.diff.outputs.firefox-2-total }}
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firefox-2-commitHash: ${{ steps.commit-hash.outputs.firefox-2-commitHash }}
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steps:
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- uses: actions/checkout@v3
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with:
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fetch-depth: 1
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repository: ${{ github.event.pull_request.head.repo.full_name }}
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ref: ${{ github.event.pull_request.head.ref }}
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# Use PostHog Bot token when not on forks to enable proper snapshot updating
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token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN || github.token }}
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- name: Install pnpm
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uses: pnpm/action-setup@v4
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- name: Set up Node.js
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uses: buildjet/setup-node@v3
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with:
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node-version: 18.12.1
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cache: pnpm
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- name: Install package.json dependencies with pnpm
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run: pnpm install --frozen-lockfile
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- name: Install CI utilities with pnpm
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run: pnpm install http-server wait-on
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- name: Build Storybook
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run: pnpm build-storybook --test --quiet # Silence since progress logging results in a massive wall of spam
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- name: Serve Storybook in the background
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run: |
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retries=3
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while [ $retries -gt 0 ]; do
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pnpm exec http-server storybook-static --port 6006 --silent &
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if pnpm wait-on http://127.0.0.1:6006 --timeout 15; then
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break
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fi
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retries=$((retries-1))
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echo "Failed to serve Storybook, retrying... ($retries retries left)"
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done
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- name: Run @storybook/test-runner
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env:
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# Solving this bug by overriding $HOME: https://github.com/microsoft/playwright/issues/6500
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HOME: /root
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# Update snapshots for PRs on the main repo, verify on forks, which don't have access to PostHog Bot
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VARIANT: ${{ github.event.pull_request.head.repo.full_name == github.repository && 'update' || 'verify' }}
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STORYBOOK_SKIP_TAGS: 'test-skip,test-skip-${{ matrix.browser }}'
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run: |
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pnpm test:visual:ci:$VARIANT --browsers ${{ matrix.browser }} --shard ${{ matrix.shard }}/$SHARD_COUNT
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- name: Archive failure screenshots
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if: ${{ failure() }}
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uses: actions/upload-artifact@v3
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with:
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name: failure-screenshots-${{ matrix.browser }}
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path: frontend/__snapshots__/__failures__/
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- name: Count and optimize updated snapshots
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id: diff
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# Skip on forks
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if: github.event.pull_request.head.repo.full_name == github.repository
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run: |
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git config --global --add safe.directory '*' # Calm git down about file ownership
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git diff --name-status frontend/__snapshots__/ # For debugging
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ADDED=$(git diff --name-status frontend/__snapshots__/ | grep '^A' | wc -l)
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MODIFIED=$(git diff --name-status frontend/__snapshots__/ | grep '^M' | wc -l)
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DELETED=$(git diff --name-status frontend/__snapshots__/ | grep '^D' | wc -l)
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TOTAL=$(git diff --name-status frontend/__snapshots__/ | wc -l)
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# If added or modified, run OptiPNG
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if [ $ADDED -gt 0 ] || [ $MODIFIED -gt 0 ]; then
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echo "Snapshots updated ($ADDED new, $MODIFIED changed), running OptiPNG"
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apt update && apt install -y optipng
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optipng -clobber -o4 -strip all
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# we don't want to _always_ run OptiPNG
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# so, we run it after checking for a diff
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# but, the files we diffed might then be changed by OptiPNG
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# and as a result they might no longer be different...
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# we check again
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git diff --name-status frontend/__snapshots__/ # For debugging
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ADDED=$(git diff --name-status frontend/__snapshots__/ | grep '^A' | wc -l)
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MODIFIED=$(git diff --name-status frontend/__snapshots__/ | grep '^M' | wc -l)
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DELETED=$(git diff --name-status frontend/__snapshots__/ | grep '^D' | wc -l)
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TOTAL=$(git diff --name-status frontend/__snapshots__/ | wc -l)
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if [ $ADDED -gt 0 ] || [ $MODIFIED -gt 0 ]; then
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echo "Snapshots updated ($ADDED new, $MODIFIED changed), _even after_ running OptiPNG"
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git add frontend/__snapshots__/ playwright/
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fi
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fi
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echo "${{ matrix.browser }}-${{ matrix.shard }}-added=$ADDED" >> $GITHUB_OUTPUT
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echo "${{ matrix.browser }}-${{ matrix.shard }}-modified=$MODIFIED" >> $GITHUB_OUTPUT
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echo "${{ matrix.browser }}-${{ matrix.shard }}-deleted=$DELETED" >> $GITHUB_OUTPUT
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echo "${{ matrix.browser }}-${{ matrix.shard }}-total=$TOTAL" >> $GITHUB_OUTPUT
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- name: Commit updated snapshots
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uses: EndBug/add-and-commit@v9
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if: github.event.pull_request.head.repo.full_name == github.repository
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id: commit
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with:
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add: '["frontend/__snapshots__/", "playwright/"]'
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message: 'Update UI snapshots for `${{ matrix.browser }}` (${{ matrix.shard }})'
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pull: --rebase --autostash # Make sure we're up to date with other browsers' updates
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default_author: github_actions
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github_token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN || github.token }}
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- name: Add commit hash to outputs, including browser name
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id: commit-hash
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if: steps.commit.outputs.pushed == 'true'
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run: echo "${{ matrix.browser }}-${{ matrix.shard }}-commitHash=${{ steps.commit.outputs.commit_long_sha }}" >> $GITHUB_OUTPUT
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visual-regression-summary:
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name: Summarize visual regression tests
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runs-on: ubuntu-latest
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timeout-minutes: 5
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needs: visual-regression
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if: always() # Run even if visual-regression fails for one (or more) of the browsers
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steps:
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- name: Post comment about updated snapshots
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if: github.event.pull_request.head.repo.full_name == github.repository
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uses: actions/github-script@v6
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with:
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github-token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN || github.token }}
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script: |
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const BROWSERS = ['chromium', 'webkit']
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const diffJobOutputs = ${{ toJson(needs.visual-regression.outputs) }}
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const summaryDiff = { total: 0, added: 0, modified: 0, deleted: 0 }
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const diffByBrowser = Object.fromEntries(BROWSERS.map(browser => [browser, {
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total: 0, added: 0, modified: 0, deleted: 0, commitHashes: []
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}]))
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for (const [key, rawValue] of Object.entries(diffJobOutputs)) {
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// Split e.g. 'chromium-1-commitHash' into ['chromium', '1' 'commitHash']
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const [browser, shardNumber, diffKey] = key.split('-')
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// Sum up the counts - but not the commit hash
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if (diffKey === 'commitHash') {
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diffByBrowser[browser].commitHashes.push([parseInt(shardNumber), rawValue])
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} else {
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const value = parseInt(rawValue)
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diffByBrowser[browser][diffKey] += value
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summaryDiff[diffKey] += value
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}
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}
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for (const browser of BROWSERS) {
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if (diffByBrowser[browser]?.total === undefined) {
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diffByBrowser[browser] = null // Null means failure
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}
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}
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if (summaryDiff.total === 0) {
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console.log('No changes were made, skipping comment')
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return
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}
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const diffByBrowserDisplay = Object.entries(diffByBrowser).map(([browser, diff]) => {
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if (!diff) {
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return `- \`${browser}\`: failed`
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}
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const { added: a, modified: m, deleted: d, commitHashes } = diff
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const b = a + m + d > 0 ? '**' : '' // Bold list item if there were changes
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let extraInfo = ''
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if (b) {
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const commitInfo = commitHashes.map(
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([shardNumber, commitHash]) =>
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`[diff for shard ${shardNumber}](https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }}/commits/${commitHash})`
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).join(', ') || "wasn't pushed!"
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extraInfo = ` (${commitInfo})`
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}
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return `- ${b}\`${browser}\`${b}: **${a}** added, **${m}** modified, **${d}** deleted${extraInfo}`
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}).join('\n')
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github.rest.issues.createComment({
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issue_number: context.issue.number,
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owner: context.repo.owner,
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repo: context.repo.repo,
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body: `## 📸 UI snapshots have been updated
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**${summaryDiff.total}** snapshot changes in total. **${summaryDiff.added}** added, **${summaryDiff.modified}** modified, **${summaryDiff.deleted}** deleted:
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${diffByBrowserDisplay}
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Triggered by [this commit](https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }}/commits/${{ github.sha }}).
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👉 **[Review this PR's diff of snapshots.](https://github.com/${{ github.repository }}/pull/${{ github.event.pull_request.number }}/files#:~:text=frontend/__snapshots__/)**`
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})
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