merge in sqlite / coverage

.github/workflows/pr_checks.yaml

@@ -155,3 +155,45 @@ jobs:
         run: |
           cd ${{ env.wrapper_name }}
           invoke test
+
+  coverage:
+    name: Sqlite / coverage
+    needs: ['javascript', 'html']
+    runs-on: ubuntu-latest
+
+    env:
+      INVENTREE_DB_NAME: './test_db.sqlite'
+      INVENTREE_DB_ENGINE: django.db.backends.sqlite3
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+      - name: Install Dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install gettext
+          pip3 install invoke
+          invoke install
+          invoke static
+      - name: Coverage Tests
+        run: |
+          invoke coverage
+      - name: Data Import Export
+        run: |
+          invoke migrate
+          invoke import-fixtures
+          invoke export-records -f data.json
+          rm test_db.sqlite
+          invoke migrate
+          invoke import-records -f data.json
+          invoke import-records -f data.json
+      - name: Test Translations 
+        run: invoke translate
+      - name: Check Migration Files
+        run: python3 ci/check_migration_files.py
+      - name: Upload Coverage Report
+        run: coveralls