Fix coverage measurement in CI

- Replace subprocess call with direct Django test runner invocation
- This allows coverage tool to properly track test execution
- Use django.setup() and get_runner() to run tests directly
- Coverage should now show proper test coverage instead of 1%

scripts/run_tests_with_coverage.py

@@ -1,34 +1,46 @@
 #!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 """
 Run tests with OpenTelemetry enabled and coverage measurement.
 This script is designed to be used with 'coverage run' command.
 """
 
 import os
-import subprocess
 import sys
+import django
+from django.conf import settings
+from django.test.utils import get_runner
+
 
 def main():
     # Enable OpenTelemetry
-    os.environ['ENABLE_OPENTELEMETRY'] = 'true'
-    os.environ['OTEL_ENABLED'] = 'true'
-    os.environ['OTEL_SERVICE_NAME'] = 'ivatar-test'
-    os.environ['OTEL_ENVIRONMENT'] = 'test'
-    
+    os.environ["ENABLE_OPENTELEMETRY"] = "true"
+    os.environ["OTEL_ENABLED"] = "true"
+    os.environ["OTEL_SERVICE_NAME"] = "ivatar-test"
+    os.environ["OTEL_ENVIRONMENT"] = "test"
+
     print("Running tests with OpenTelemetry enabled...")
     print("==========================================")
-    
-    # Run Django tests (Django will auto-discover all tests)
-    cmd = ['python3', 'manage.py', 'test', '-v2']
-    
-    try:
-        result = subprocess.run(cmd, check=True)
+
+    # Setup Django
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "ivatar.settings")
+    django.setup()
+
+    # Get Django test runner
+    TestRunner = get_runner(settings)
+    test_runner = TestRunner()
+
+    # Run tests
+    failures = test_runner.run_tests([])
+
+    if failures:
+        print(f"Tests failed with {failures} failures")
+        return 1
+    else:
         print("")
         print("Tests completed successfully (OpenTelemetry enabled)")
-        return result.returncode
-    except subprocess.CalledProcessError as e:
-        print(f"Tests failed with exit code {e.returncode}")
-        return e.returncode
+        return 0
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     sys.exit(main())