fix: allow provider log level to be set/logged to file

dsl/pact.go

@@ -689,6 +689,8 @@ func (p *Pact) VerifyMessageProviderRaw(request VerifyMessageRequest) ([]types.P
 		ProviderVersion:            request.ProviderVersion,
 		ProviderTags:               request.ProviderTags,
 		Provider:                   p.Provider,
+		PactLogDir:                 p.LogDir,
+		PactLogLevel:               p.LogLevel,
 	}
 
 	mux.HandleFunc("/", messageVerificationHandler(request.MessageHandlers, request.StateHandlers))

dsl/verify_mesage_request.go

@@ -51,6 +51,15 @@ type VerifyMessageRequest struct {
 	// verification step.
 	StateHandlers StateHandlers
 
+	// Specify an output directory to log all of the verification request/responses
+	// seen by the verification process. Useful to debug issues with your contract
+	// and API
+	PactLogDir string
+
+	// Specify the log verbosity of the CLI verifier process spawned through verification
+	// Useful for debugging issues with the framework itself
+	PactLogLevel string
+
 	// Arguments to the VerificationProvider
 	// Deprecated: This will be deleted after the native library replaces Ruby deps.
 	Args []string
@@ -86,5 +95,13 @@ func (v *VerifyMessageRequest) Validate() error {
 		v.Args = append(v.Args, "--publish_verification_results", "true")
 	}
 
+	if v.PactLogDir != "" {
+		v.Args = append(v.Args, "--log-dir", v.PactLogDir)
+	}
+
+	if v.PactLogLevel != "" {
+		v.Args = append(v.Args, "--log-level", v.PactLogLevel)
+	}
+
 	return nil
 }

examples/messages/provider/message_pact_provider_test.go

@@ -62,6 +62,8 @@ func TestExampleMessageProvider_Success(t *testing.T) {
 		PactURLs:        []string{filepath.ToSlash(fmt.Sprintf("%s/pactgomessageconsumer-pactgomessageprovider.json", pactDir))},
 		MessageHandlers: functionMappings,
 		StateHandlers:   stateMappings,
+		PactLogDir:      filepath.ToSlash(fmt.Sprintf("%s/logs", pactDir)),
+		PactLogLevel:    "DEBUG",
 	})
 }
 
@@ -75,5 +77,6 @@ func createPact() dsl.Pact {
 	return dsl.Pact{
 		Provider: "PactGoMessageProvider",
 		LogDir:   logDir,
+		LogLevel: "DEBUG",
 	}
 }