ci: Run only API tests affected by changes in PRs and Upgrade GHA run…

…ners (#2867)

.github/workflows/api-pull-request.yml

@@ -12,14 +12,16 @@ on:
       - .github/**
     branches:
       - main
+  merge_group:
+    types: [checks_requested]
 
 defaults:
   run:
     working-directory: api
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: General-Purpose-8c-Runner
     name: API Unit Tests
 
     services:
@@ -33,7 +35,7 @@ jobs:
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
 
     strategy:
-      max-parallel: 4
+      max-parallel: 2
       matrix:
         python-version: ['3.10', '3.11']
 
@@ -66,11 +68,31 @@ jobs:
           opts: --no-input --dry-run --check
         run: make django-make-migrations
 
+      - name: Restore cached testmon data
+        if: ${{ github.event_name == 'pull_request' }}
+        id: cache-testmon-restore
+        uses: actions/cache/restore@v3
+        with:
+          enableCrossOsArchive: true
+          path: |
+            /home/runner/work/flagsmith/flagsmith/api/.testmondata*
+          key: testmon-data-python${{ matrix.python-version }}-${{ github.event.pull_request.base.sha }}
+          restore-keys: testmon-data-python${{ matrix.python-version }}-
+
       - name: Run Tests
         env:
           DOTENV_OVERRIDE_FILE: .env-ci
         run: make test
 
+      - name: Save testmon data cache
+        id: cache-testmon-save
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+        uses: actions/cache/save@v3
+        with:
+          path: |
+            /home/runner/work/flagsmith/flagsmith/api/.testmondata*
+          key: testmon-data-python${{ matrix.python-version }}-${{github.sha}}
+
       - name: Upload Coverage
         uses: codecov/codecov-action@v3
         env:

api/.env-ci

@@ -1,3 +1,3 @@
 DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postgres
 ANALYTICS_DATABASE_URL=postgres://postgres:postgres@localhost:5432/analytics
-PYTEST_ADDOPTS=--cov . --cov-report xml -n auto --dist worksteal
+PYTEST_ADDOPTS=--cov . --cov-report xml -n auto --dist worksteal --testmon

api/.gitignore

@@ -6,4 +6,7 @@ saml/
 features/workflows/logic/
 
 # Unit test coverage
-.coverage
+.coverage
+
+# pytest-testmon files
+.testmondata*

api/pyproject.toml

@@ -129,6 +129,7 @@ pip-tools = "~6.13.0"
 pytest-cov = "~4.1.0"
 datamodel-code-generator = "~0.22"
 requests-mock = "^1.11.0"
+pytest-testmon = "^2.0.13"
 
 [build-system]
 requires = ["poetry-core>=1.5.0"]