ci: test using dev deps

Author: skshetry

.github/workflows/tests.yaml

@@ -5,6 +5,8 @@ on:
     branches: [main]
   pull_request:
   workflow_dispatch:
+  schedule:
+    - cron: '5 1 * * *'  # every day at 01:05
 
 env:
   FORCE_COLOR: "1"
@@ -50,6 +52,12 @@ jobs:
     - name: Upload coverage report
       uses: codecov/codecov-action@v5
 
+    - name: Run tests with dev dependencies
+      if: ${{ github.event_name == 'schedule' && matrix.pyv != '3.9' }}
+      run: nox -s tests-${{ matrix.pyv }} -- --slow --cov-report=xml
+      env:
+        TEST_DEV_DEPS: "1"
+
     - name: Build package
       run: nox -s build
 
@@ -61,3 +69,17 @@ jobs:
       - uses: re-actors/alls-green@release/v1
         with:
           jobs: ${{ toJSON(needs) }}
+
+  notify:
+    if: github.ref == 'refs/heads/main' && failure()
+    needs: [tests]
+    runs-on: ubuntu-latest
+    steps:
+    - name: Slack Notification
+      uses: rtCamp/[email protected]
+      env:
+        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+        SLACK_COLOR: ${{ job.status }}
+        SLACK_MESSAGE: 'scmrepo scheduled test failed on main :boom:'
+        SLACK_TITLE: CI Status
+        SLACK_USERNAME: scmrepo-ci

noxfile.py

@@ -16,7 +16,10 @@
 
 @nox.session(python=python_versions)
 def tests(session: nox.Session) -> None:
-    session.install(".[tests]")
+    deps = [".[tests]"]
+    if os.getenv("TEST_DEV_DEPS") == "1":
+        deps.extend(["dulwich @ git+https://github.com/jelmer/dulwich.git"])
+    session.install(*deps)
     session.run(
         "pytest",
         "--cov",