chore(CI): add tests action (#1)

We run the test suite on every commit and compute the coverage. The
action succeeds only if the coverage is at 100%.

.github/workflows/test.yml

@@ -0,0 +1,60 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Cache Docker layers
+      uses: actions/cache@v4
+      with:
+        path: /tmp/.buildx-cache
+        key: ${{ runner.os }}-buildx-${{ hashFiles('requirements.txt', 'docker/test/Dockerfile') }}
+        restore-keys: |
+          ${{ runner.os }}-buildx-
+
+    - name: Build Docker image with cache
+      run: |
+        cd docker/test
+        docker buildx build \
+          --cache-from type=local,src=/tmp/.buildx-cache \
+          --cache-to type=local,dest=/tmp/.buildx-cache-new,mode=max \
+          --load \
+          -t kompass:test \
+          -f Dockerfile \
+          ../../
+
+    - name: Move cache
+      run: |
+        rm -rf /tmp/.buildx-cache
+        mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+
+    - name: Run tests
+      run: make test-only
+
+    - name: Check coverage
+      run: |
+        COVERAGE=$(python3 -c "import json; data=json.load(open('docker/test/htmlcov/coverage.json')); print(data['totals']['percent_covered'])")
+        echo "Coverage: ${COVERAGE}%"
+        if (( $(echo "$COVERAGE < 100" | bc -l) )); then
+          echo "Error: Coverage is ${COVERAGE}%, must be 100%"
+          exit 1
+        fi

Makefile

@@ -1,7 +1,7 @@
 build-test:
 	cd docker/test; docker compose build
 
-test: build-test
+test-only:
 	mkdir -p docker/test/htmlcov
 	chmod 777 docker/test/htmlcov
 ifeq ($(keepdb), true)
@@ -10,3 +10,5 @@ else
 	cd docker/test; docker compose up --abort-on-container-exit
 endif
 	echo "Generated coverage report. To read it, point your browser to:\n\nfile://$$(pwd)/docker/test/htmlcov/index.html"
+
+test: build-test test-only

README.md

@@ -1,6 +1,6 @@
 # jdav Kompass
 
-[![Build Status](https://jenkins.merten.dev/buildStatus/icon?job=gitea%2Fkompass%2Fmain)](https://jenkins.merten.dev/job/gitea/job/kompass/job/main/)
+![Build Status](https://github.com/chrisflav/kompass/actions/workflows/test.yml/badge.svg?branch=main)
 
 Kompass is an administration platform designed for local sections of the Young German Alpine Club. It provides
 tools to contact and (automatically) manage members, groups, material, excursions and statements.

docker/test/entrypoint-master.sh

@@ -44,3 +44,5 @@ else
     coverage run manage.py test startpage finance members contrib logindata mailer material ludwigsburgalpin jdav_web -v 2 --noinput
 fi
 coverage html
+coverage json -o htmlcov/coverage.json
+coverage report