script to show test coverage for files that changed in the last month #787
Workflow file for this run
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| # This workflow uses actions that are not certified by GitHub. | |
| # They are provided by a third-party and are governed by | |
| # separate terms of service, privacy policy, and support | |
| # documentation. | |
| name: Build, test, and report coverage of recent files | |
| on: | |
| push: | |
| branches: | |
| - master | |
| pull_request: | |
| types: [opened, synchronize, reopened] | |
| workflow_dispatch: | |
| # Sets the ENV `MIX_ENV` to `test` for running tests | |
| env: | |
| MIX_ENV: test | |
| ELIXIR_VER: '1.16.3' | |
| OTP_VER: '26.2.5.2' | |
| permissions: | |
| contents: read | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| name: Build and test | |
| # Set up a Postgres DB service. By default, Phoenix applications | |
| # use Postgres. This creates a database for running tests. | |
| # Additional services can be defined here if required. | |
| services: | |
| db: | |
| image: postgres:15 | |
| ports: ['5432:5432'] | |
| env: | |
| POSTGRES_DB: teiserver_test | |
| POSTGRES_USER: teiserver_test | |
| POSTGRES_PASSWORD: 123456789 | |
| options: >- | |
| --health-cmd pg_isready | |
| --health-interval 10s | |
| --health-timeout 5s | |
| --health-retries 5 | |
| steps: | |
| # Step: Setup Elixir + Erlang image as the base. | |
| - name: Set up Elixir | |
| uses: erlef/setup-beam@v1 | |
| with: | |
| otp-version: ${{ env.OTP_VER }} | |
| elixir-version: ${{ env.ELIXIR_VER }} | |
| # Step: Check out the code. | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.event.pull_request.head.sha }} | |
| fetch-depth: 0 #all commits | |
| fetch-tags: true | |
| # per https://github.com/actions/checkout/issues/1662 sometimes just need to run git fetch anyways just to get the commits :/ | |
| - name: git fetch | |
| run: git fetch | |
| # Step: Define how to cache deps. Restores existing cache if present. | |
| - name: Cache deps | |
| id: cache-deps | |
| uses: actions/cache@v4 | |
| env: | |
| cache-name: cache-elixir-deps | |
| with: | |
| path: deps | |
| key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }} | |
| restore-keys: | | |
| ${{ runner.os }}-mix-${{ env.cache-name }}- | |
| # Step: Define how to cache the `_build` directory. After the first run, | |
| # this speeds up tests runs a lot. This includes not re-compiling our | |
| # project's downloaded deps every run. | |
| - name: Cache compiled build | |
| id: cache-build | |
| uses: actions/cache@v4 | |
| env: | |
| cache-name: cache-compiled-build | |
| with: | |
| path: _build | |
| key: ${{ runner.os }}-mix-${{ env.cache-name }}-${{ hashFiles('**/mix.lock') }} | |
| restore-keys: | | |
| ${{ runner.os }}-mix-${{ env.cache-name }}- | |
| # Step: Download project dependencies. If unchanged, uses | |
| # the cached version. | |
| - name: Install dependencies | |
| run: mix deps.get | |
| # Step: Compile the current project. If unchanged, uses | |
| # the cached version. | |
| - name: Install dependencies | |
| run: mix compile | |
| - name: create cover folder if not exists, to cache coverage reporting results | |
| run: mkdir -p ./cover/ | |
| - name: emit hint on where to update minimum test coverage | |
| run: echo "to update minimum test coverage requirements, edit coveralls.json" | |
| - name: Run tests, failing loudly on error, emitting coverage to file for use when reporting test coverage in later proposed step | |
| run: set -eo pipefail; mix test --exclude needs_attention --cover | tee ./cover/test_coverage_by_file.txt | |
| # not working correctly in GitHub actions (thus commented out for now), seems to not be getting a deep copy of all commits | |
| # - name: generate list of files changed in the last month | |
| # run: git diff ${{ github.event.pull_request.head.sha }} '@{last month}' --name-only | tee ./cover/files_changed_in_last_month.txt | |
| # - name: echo coverage header to list-of-files-changed file to assist in reporting # Requires above step to be fixed | |
| # run: echo "LINES RELEVANT MISSED" | tee -a ./cover/files_changed_in_last_month.txt | |
| # - name: use grep to create test coverage report only on recently changed files, sorted by coverage percent # Requires above step to be fixed | |
| # run: grep -F -f ./cover/files_changed_in_last_month.txt ./cover/test_coverage_by_file.txt | grep -A999 "LINES RELEVANT MISSED" | sort -g |