add replica set tests

Author: timgraham

.github/workflows/test-python-replica.yml

@@ -0,0 +1,58 @@
+name: Python Tests on a replica test
+
+on:
+  pull_request:
+      paths:
+      - '**.py'
+      - '!setup.py'
+      - '.github/workflows/test-python-replica.yml'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash -eux {0}
+
+jobs:
+  build:
+    name: Django Test Suite
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout django-mongodb-backend
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: install django-mongodb-backend
+        run: |
+          pip3 install --upgrade pip
+          pip3 install -e .
+      - name: Checkout Django
+        uses: actions/checkout@v4
+        with:
+          repository: 'mongodb-forks/django'
+          ref: 'mongodb-5.2.x'
+          path: 'django_repo'
+          persist-credentials: false
+      - name: Install system packages for Django's Python test dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install libmemcached-dev
+      - name: Install Django and its Python test dependencies
+        run: |
+          cd django_repo/tests/
+          pip3 install -e ..
+          pip3 install -r requirements/py3.txt
+      - name: Copy the test settings file
+        run: cp .github/workflows/mongodb_settings.py django_repo/tests/
+      - name: Copy the test runner file
+        run: cp .github/workflows/runtests.py django_repo/tests/runtests_.py
+      - name: Start MongoDB
+        uses: supercharge/[email protected]
+        with:
+          mongodb-version: 6.0
+          mongodb-replica-set: test-rs
+      - name: Run tests
+        run: python3 django_repo/tests/runtests_.py