#112 Add windows to github actions

config/c-code/tests-cache.j2

@@ -10,15 +10,32 @@
       # to save the cache. So it must come before the thing we want to use
       # the cache.
       ###
-      - name: Get pip cache dir
-        id: pip-cache
+      - name: Get pip cache dir (default)
+        id: pip-cache-default
+        if: ${{ !startsWith(runner.os, 'Windows') }}
         run: |
           echo "dir=$(pip cache dir)" >>$GITHUB_OUTPUT
 
-      - name: pip cache
+      - name: Get pip cache dir (Windows)
+        id: pip-cache-windows
+        if: ${{ startsWith(runner.os, 'Windows') }}
+        run: |
+          echo "dir=$(pip cache dir)" >> $Env:GITHUB_OUTPUT
+
+      - name: pip cache (default)
+        uses: actions/cache@v3
+        if: ${{ !startsWith(runner.os, 'Windows') }}
+        with:
+          path: ${{ steps.pip-cache-default.outputs.dir }}
+          key: %(cache_key)s
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: pip cache (Windows)
         uses: actions/cache@v3
+        if: ${{ startsWith(runner.os, 'Windows') }}
         with:
-          path: ${{ steps.pip-cache.outputs.dir }}
+          path: ${{ steps.pip-cache-windows.outputs.dir }}
           key: %(cache_key)s
           restore-keys: |
             ${{ runner.os }}-pip-

config/c-code/tests-strategy.j2

@@ -14,7 +14,7 @@
 {% if with_future_python %}
           - "%(future_python_version)s"
 {% endif %}
-        os: [ubuntu-20.04, macos-11]
+        os: [ubuntu-20.04, macos-11, windows-latest]
 {% if with_pypy or gha_additional_exclude %}
         exclude:
 {% endif %}

config/c-code/tests.yml.j2

@@ -279,12 +279,14 @@ jobs:
         run:
         {% if gha_test_commands %}
         {% for line in gha_test_commands %}
-          PURE_PYTHON=1 %(line)s
+          %(line)s
         {% endfor %}
         {% else %}
           # coverage makes PyPy run about 3x slower!
-          PURE_PYTHON=1 python -m coverage run -p -m zope.testrunner --test-path=src --auto-color --auto-progress
+          python -m coverage run -p -m zope.testrunner --test-path=src --auto-color --auto-progress
         {% endif %}
+        env:
+          PURE_PYTHON: 1
       - name: Report Coverage
         run: |
           coverage combine
@@ -403,7 +405,7 @@ jobs:
           path: wheelhouse/*whl
           name: manylinux_${{ matrix.image }}_wheels.zip
       - name: Restore pip cache permissions
-        run: sudo chown -R $(whoami) ${{ steps.pip-cache.outputs.dir }}
+        run: sudo chown -R $(whoami) ${{ steps.pip-cache-default.outputs.dir }}
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         if: >