update preview workflow. does not publish to pypi

.github/workflows/preview.yml

@@ -18,33 +18,49 @@ jobs:
 
     strategy:
       matrix:
-        python-versions: [ 3.8 ]
+        python-versions: [ 3.8, 3.9, "3.10" ]
+        os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-versions }}
 
+      - name: Install and configure Poetry
+        uses: GNS-Science/install-poetry@main
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+          installer-parallel: true
+
+      #----------------------------------------------
+      #       load cached venv if cache exists
+      #----------------------------------------------
+      - name: Load cached venv
+        id: cached-poetry-dependencies
+        uses: actions/cache@v3
+        with:
+          path: .venv
+          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
+
+      #----------------------------------------------
+      # install dependencies if cache does not exist
+      #----------------------------------------------
       - name: Install dependencies
+        if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: |
-          python -m pip install --upgrade pip
-          pip install poetry tox tox-gh-actions
+          poetry install --no-interaction --no-root --with dev --all-extras
+          poetry add tox-gh-actions
 
-      - name: test with tox
+      - name: test with tox (uses tox-gh-actions to select correct environment)
         run:
-          tox
+          poetry run tox
 
       - name: Build wheels and source tarball
         run: |
           poetry version $(poetry version --short)-dev.$GITHUB_RUN_NUMBER
           poetry version --short
           poetry build
 
-      - name: publish to Test PyPI
-        uses: pypa/gh-action-pypi-publish@master
-        with:
-          user: __token__
-          password: ${{ secrets.TEST_PYPI_API_TOKEN}}
-          repository_url: https://test.pypi.org/legacy/
-          skip_existing: true