Measure coverage of forked processes

radicale/server.py

@@ -133,6 +133,7 @@ class ParallelHTTPServer(ParallelizationMixIn,
         return super().finish_request(request, client_address)
 
     def finish_request(self, request, client_address):
+        """Don't overwrite this! (Modified by tests.)"""
         with self.connections_guard:
             return self.finish_request_locked(request, client_address)
 
@@ -164,22 +165,21 @@ class ParallelHTTPSServer(ParallelHTTPServer):
             ssl_version=self.protocol, ciphers=self.ciphers,
             do_handshake_on_connect=False)
 
-    def finish_request(self, request, client_address):
-        with self.connections_guard:
+    def finish_request_locked(self, request, client_address):
+        try:
             try:
-                try:
-                    request.do_handshake()
-                except socket.timeout:
-                    raise
-                except Exception as e:
-                    raise RuntimeError("SSL handshake failed: %s" % e) from e
-            except Exception:
-                try:
-                    self.handle_error(request, client_address)
-                finally:
-                    self.shutdown_request(request)
-                return
-            return super().finish_request_locked(request, client_address)
+                request.do_handshake()
+            except socket.timeout:
+                raise
+            except Exception as e:
+                raise RuntimeError("SSL handshake failed: %s" % e) from e
+        except Exception:
+            try:
+                self.handle_error(request, client_address)
+            finally:
+                self.shutdown_request(request)
+            return
+        return super().finish_request_locked(request, client_address)
 
 
 class ServerHandler(wsgiref.simple_server.ServerHandler):

radicale/tests/__init__.py

@@ -26,6 +26,28 @@ import radicale
 import sys
 from io import BytesIO
 
+from pytest_cov import embed
+
+from radicale import server
+
+# Measure coverage of forked processes
+finish_request = server.ParallelHTTPServer.finish_request
+pid = os.getpid()
+
+
+def finish_request_cov(self, request, client_address):
+    cov = None
+    if pid != os.getpid():
+        cov = embed.init()
+    try:
+        return finish_request(self, request, client_address)
+    finally:
+        if cov:
+            embed.cleanup(cov)
+
+
+server.ParallelHTTPServer.finish_request = finish_request_cov
+
 # Allow importing of tests.custom....
 sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
 # Enable debug output