Merge pull request #193 from goanpeca/enh/ci

PR: Add ci with Github actions

.github/workflows/tests.yml

@@ -0,0 +1,39 @@
+name: Run tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    name: ${{ matrix.OS }} - Py${{ matrix.PYTHON_VERSION }}
+    runs-on: ${{ matrix.OS }}
+    strategy:
+      fail-fast: false 
+      matrix:
+        OS: ['ubuntu-latest', 'windows-latest']
+        PYTHON_VERSION: ['3.5', '3.6', '3.7','3.8']
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.PYTHON_VERSION }}
+    - name: Install test dependencies
+      run: |
+        pip install --upgrade pip setuptools
+        pip install nbformat[test]
+        pip install codecov
+    - name: Install nbformat
+      run: |
+        pip install .
+        pip freeze
+    - name: List dependencies
+      run: |
+        pip list
+    - name: Run tests
+      run: |
+        py.test nbformat/tests -v --cov=nbformat
+    - name: Coverage
+      run: |
+        codecov