add actions

Author: jschlyter

.github/workflows/test.yml

@@ -0,0 +1,40 @@
+name: Test
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - 3.6
+          - 3.7
+          - 3.8
+          - 3.9
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Get full python version
+        id: full-python-version
+        run: |
+          echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info[:3]))")
+      - name: Set up cache
+        uses: actions/cache@v2
+        with:
+          path: .venv
+          key: ${{ runner.os }}-venv-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
+      - name: Install and configure Poetry
+        run: |
+          pip install poetry
+          poetry config virtualenvs.in-project true
+      - name: Install dependencies
+        run: poetry install
+      - name: Run pytest
+        run: |
+          poetry run pytest -vvv -ra --cov=cryptojwt --isort --black