Test against cpython tests

.github/workflows/test.yml

@@ -9,9 +9,10 @@ on:
 jobs:
   tests:
     strategy:
+      max-parallel: 3
       matrix:
-        python-version: [3.8, 3.11, 3.12]
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
@@ -25,6 +26,10 @@ jobs:
       run: python -m pip install -r "dev_requirements.txt"
     - name: Test with haas
       run: python -m haas zipfile2
+    - name: Integration tests
+      run: python -m haas .
+      working-directory: cpython-tests/${{ matrix.python-version }}
+
   code-lint:
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -2,3 +2,4 @@ build
 .tox
 zipfile2/_version.py
 zipfile2*egg-info
+__pycache__