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pr-test.yml
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# This file tests more or less everything related to a pull request. All
# in one big job. At the end, if all the testing passes, it proceeds
# to upload all the files that were built to our Dev environment.
# This way, if the tests passed, you'll be able to review the built
# pages on a public URL.
name: PR Test
on:
# The reason for building once it's pushed to `main`, too, is an
# optimization. This way, when workflow is built on the `main` branch
# anything that's stored in the cache (e.g. node_modules) can be
# re-used by consecutive PRs in other branches.
# See https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#restrictions-for-accessing-a-cache
# and https://github.community/t/how-come-the-actions-cache-is-failing-so-much-often/196279/3
push:
branches:
- main
pull_request:
jobs:
tests:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- name: Setup Node.js environment
uses: actions/setup-node@v2.5.1
with:
node-version: "12"
- name: Cache node_modules
uses: actions/cache@v2.1.7
id: cached-node_modules
with:
path: |
node_modules
key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}-${{ hashFiles('.github/workflows/pr-test.yml') }}
- name: Install all yarn packages
if: steps.cached-node_modules.outputs.cache-hit != 'true'
run: |
yarn --frozen-lockfile
- name: Config git core.quotePath
run: |
# If you don't do this, the get-diff-action won't be able to
# notice files that contain non-ascii characters.
# I.e.
#
# ▶ git status
# Changes not staged for commit:
# ...
# modified: "files/en-us/glossary/b\303\251zier_curve/index.html"
#
# But after you set `core.quotePath` you get:
#
# ▶ git status
# Changes not staged for commit:
# ...
# modified: "files/en-us/glossary/bézier_curve/index.html"
#
# Now, this gets used by the `git diff ...` inside get-diff-action.
git config --global core.quotePath false
- uses: technote-space/get-diff-action@v6.0.1
id: git_diff_content
with:
PATTERNS: files/**/*.+(html|md)
SET_ENV_NAME: GIT_DIFF_CONTENT
- name: Build changed content
if: ${{ env.GIT_DIFF_CONTENT }}
env:
CONTENT_ROOT: ${{ github.workspace }}/files
# This is so that if there's a single 'unsafe_html' flaw, it
# completely fails the build.
# But all other flaws should be 'warn', so that we can include
# information about the flaws when we analyze the built PR.
BUILD_FLAW_LEVELS: "unsafe_html: error, *:warn"
# Because we build these pages in a way that you get a toolbar,
# so the flaws can be displayed, but we don't want any of the
# other toolbar features like "Fix fixable flaws" or "Quick-edit"
# we set this to disable that stuff.
REACT_APP_CRUD_MODE_READONLY: true
# Setting this to an empty string effectively means that the
# <iframe> src will end up being the relative URL of the current
# document as a base.
# I.e. like this, if the current document is '/en-US/docs/Foo':
# <iframe src="/en-US/docs/Foo/_samples_/index.html">
# ...for example.
# Yes, it's potentially "insecure" because the iframe will execute
# whatever code is inserted into the code example. But since the
# whole (possible) domain for PR builds will never be somewhere
# where there are interesting cookies, it's a safe choice.
BUILD_LIVE_SAMPLES_BASE_URL: ""
# In these builds, we never care for or need the ability to sign in.
# This environment variable will disable that functionality entirely.
REACT_APP_DISABLE_AUTH: true
# TODO: This should be implicit when `CI=true`
BUILD_NO_PROGRESSBAR: true
run: |
# The reason this script isn't in `package.json` is because
# you don't need that script as a writer. It's only used in CI
# and it can't use the default CONTENT_ROOT that gets set in
# package.json.
yarn build ${{ env.GIT_DIFF_CONTENT }}
echo "Disk usage size of build/"
du -sh $BUILD_OUT_ROOT
# Save the PR number into the build
echo ${{ github.event.number }} > build/NR
# Save the raw diff blob and store that inside the ./build/
# directory.
# The purpose of this is for the PR Review Companion to later
# be able to use this raw diff file for the benefit of analyzing.
git diff --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} > build/DIFF
- name: Merge static assets with built documents
if: ${{ env.GIT_DIFF_CONTENT }}
run: |
rsync -a node_modules/@mdn/yari/client/build/ build/
# Now that build/ directory contains everything you need to deploy
# that as a site. HTML, static assets, images, etc.
# However, that Yari static files is very heavy and it's in large
# part due to the .map files.
# In fact, as of March 2021, the client/build/static directory
# is 2.3MB but only 864KB without all the .map files.
# Let's delete those this time because this isn't the right time
# to debug JS or CSS.
echo "Before..."
du -sh build
find build/static -type f -name "*.map" | xargs ls -lh
find build/static -type f -name "*.map" | xargs rm
echo "After..."
du -sh build
- uses: actions/upload-artifact@v2
if: ${{ env.GIT_DIFF_CONTENT }}
with:
name: build
path: build/
- uses: technote-space/get-diff-action@v6.0.1
with:
PATTERNS: files/**/*.+(png|jpeg|jpg|gif|svg|webp)
ABSOLUTE: true
SET_ENV_NAME: GIT_DIFF_FILES
- name: Check changed files
if: ${{ env.GIT_DIFF_FILES }}
run: |
echo ${{ env.GIT_DIFF_FILES }}
export CONTENT_ROOT=$(pwd)/files
yarn filecheck ${{ env.GIT_DIFF_FILES }}
- uses: technote-space/get-diff-action@v6.0.1
id: git_diff_redirects
with:
PATTERNS: files/**/_redirects.txt
SET_ENV_NAME: GIT_DIFF_REDIRECTS
- name: Validate redirects
if: ${{ env.GIT_DIFF_REDIRECTS }}
run: |
echo ${{ env.GIT_DIFF_REDIRECTS }}
yarn content validate-redirects