GitHub Actions: migrating from coveralls to codecov

Author: leszekhanusz

.github/workflows/tests.yml

@@ -24,19 +24,19 @@ jobs:
       run: tox
       env:
         TOXENV: ${{ matrix.toxenv }}
-    - name: Coveralls Parallel
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.github_token }}
-        flag-name: run-${{ matrix.python-version }}
-        parallel: true
 
   coverage:
-    needs: build
     runs-on: ubuntu-latest
-    steps:
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
       with:
-        github-token: ${{ secrets.github_token }}
-        parallel-finished: true
+        python-version: 3.8
+    - name: Install test dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[test]
+    - name: Test with coverage
+      run: pytest --cov=gql --cov-report=xml tests
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1