Run tests against the built source dist

Author: youtux

.github/workflows/main.yml

@@ -6,6 +6,30 @@ on:
   workflow_dispatch:
 
 jobs:
+  build:
+    name: Build distribution 📦
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+      - name: Install pypa/build
+        run: >-
+          python3 -m
+          pip install
+          build
+          --user
+      - name: Build a binary wheel and a source tarball
+        run: python3 -m build
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
   test-run:
     runs-on: ubuntu-latest
     strategy:
@@ -37,7 +61,8 @@ jobs:
             ignore-test-outcome: false
 
     steps:
-    - uses: actions/checkout@v3
+    - name: checkout-python-sdist
+      uses: re-actors/[email protected]
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
@@ -100,16 +125,5 @@ jobs:
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
     needs: test-run
     steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-      - name: Install pypa/build
-        run: >-
-          python3 -m
-          pip install
-          build
-          --user
-      - name: Build a binary wheel and a source tarball
-        run: python3 -m build
       - name: Publish package distributions to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1