add CI testing

.github/workflows/test.yml

@@ -0,0 +1,81 @@
+name: CI Testing
+
+on:
+    pull_request:
+    # allows this workflow to be reusable (e.g. by the build workflow)
+    workflow_call:
+
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        pip install tox-gh-actions
+    - name: Run tox
+      run: |
+        tox
+    - name: Upload to codecov
+      if: ${{matrix.python-version == '3.10'}}
+      uses: codecov/codecov-action@v3
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        fail_ci_if_error: false
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip setuptools
+        pip install tox-gh-actions
+    - name: Run tox
+      run: |
+        tox -e lint
+
+  examples:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip setuptools
+        pip install tox-gh-actions
+    - name: Run tox
+      run: |
+        tox -e examples
+
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip setuptools
+        pip install tox-gh-actions
+    - name: Run tox
+      run: |
+        tox -e docs