Add loading test in CI/CD (#6)

.github/workflows/ci-cd.yaml

@@ -27,9 +27,53 @@ jobs:
       use-custom-yamllint-config-file: true
       use-custom-markdownlint-config-file: true
 
+  tests:
+    needs: yml-md-style-and-link-checks
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [
+          {
+            name: German,
+            load-script: .github/load_german.py
+          },
+          {
+            name: Ancient Greek,
+            load-script: .github/load_ancient_greek.py
+          },
+          {
+            name: Latin,
+            load-script: .github/load_latin.py
+          }
+        ]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Startup a Neo4J database
+        run: docker run --publish=7474:7474 --publish=7687:7687 --env=NEO4J_AUTH=none neo4j &
+      - name: Wait for database to be ready
+        uses: iFaxity/wait-on-action@v1
+        with:
+          resource: http://localhost:7474
+      - name: Test loading ${{ matrix.language.name }}
+        run: |
+          pip3 install --upgrade --force-reinstall wilhelm-python-sdk
+          python3 ${{ matrix.language.load-script }}
+        env:
+          NEO4J_URI: neo4j://localhost:7687
+          NEO4J_DATABASE: neo4j
+          NEO4J_USERNAME: not used
+          NEO4J_PASSWORD: not used
+
   cleanup-neo4j:
     if: github.ref == 'refs/heads/master'
-    needs: yml-md-style-and-link-checks
+    needs: tests
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3