Update codecov.yml

.github/workflows/codecov.yml

@@ -1,34 +1,41 @@
-# This is a basic workflow to help you get started with Actions
-
 name: codecov
 
-# Controls when the action will run. Triggers the workflow on push or pull request
-# events but only for the master branch
 on:
   push:
     branches: [ master ]
   pull_request:
     branches: [ master ]
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
-    runs-on: ubuntu-latest
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
+  run:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    env:
+      OS: ${{ matrix.os }}
+      PYTHON: '3.7'
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
-
-      - uses: actions/checkout@master
-      - uses: codecov/codecov-action@v1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
-          file: ./coverage.xml # optional
-          files: ./coverage1.xml,./coverage2.xml # optional
-          flags: unittests # optional
-          name: codecov-umbrella # optional
-          fail_ci_if_error: true # optional (default = false)
-          verbose: true # optional (default = false)
+    - uses: actions/checkout@master
+    - name: Setup Python
+      uses: actions/setup-python@master
+      with:
+        python-version: 3.7
+    - name: Generate coverage report
+      run: |
+        pip install pytest
+        pip install pytest-cov
+        pytest --cov=./ --cov-report=xml
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        file: ./coverage.xml
+        files: ./coverage1.xml,./coverage2.xml
+        directory: ./coverage/reports/
+        flags: unittests
+        env_vars: OS,PYTHON
+        name: codecov-umbrella
+        fail_ci_if_error: true
+        path_to_write_report: ./coverage/codecov_report.gz
+        verbose: true