feat: add fake send connector contract

internal/tools/send_message_connector.go

@@ -0,0 +1,77 @@
+package tools
+
+import (
+	"context"
+	"strings"
+)
+
+type SendMessageConnector interface {
+	ExecuteSendMessage(context.Context, SendMessageConnectorRequest) (SendMessageConnectorResult, error)
+}
+
+type SendMessageConnectorRequest struct {
+	TargetType           string
+	TargetID             string
+	TargetRef            string
+	ContentSHA256        string
+	ContentLength        int
+	IdempotencyKeySHA256 string
+	ExecutionMode        string
+}
+
+type SendMessageConnectorResult struct {
+	Accepted      bool
+	Status        string
+	AckRef        string
+	ErrorCode     string
+	ErrorMessage  string
+	ConnectorMode string
+}
+
+func sendMessageConnectorRequestFromNormalized(input normalizedSendMessageArgs) SendMessageConnectorRequest {
+	return SendMessageConnectorRequest{
+		TargetType:           input.TargetType,
+		TargetID:             input.TargetID,
+		TargetRef:            input.TargetRef,
+		ContentSHA256:        input.ContentSHA256,
+		ContentLength:        input.ContentLength,
+		IdempotencyKeySHA256: input.IdempotencyKeySHA256,
+		ExecutionMode:        input.ExecutionMode,
+	}
+}
+
+func normalizeSendMessageConnectorResult(result SendMessageConnectorResult, err error) SendMessageConnectorResult {
+	normalized := result
+	normalized.Status = strings.TrimSpace(normalized.Status)
+	normalized.AckRef = strings.TrimSpace(normalized.AckRef)
+	normalized.ErrorCode = strings.TrimSpace(normalized.ErrorCode)
+	normalized.ErrorMessage = strings.TrimSpace(normalized.ErrorMessage)
+	normalized.ConnectorMode = strings.TrimSpace(normalized.ConnectorMode)
+	if normalized.ConnectorMode == "" {
+		normalized.ConnectorMode = sendMessageConnectorMode
+	}
+	if err != nil {
+		normalized.Accepted = false
+		if normalized.Status == "" {
+			normalized.Status = "failed"
+		}
+		if normalized.ErrorCode == "" {
+			normalized.ErrorCode = "connector_error"
+		}
+		if normalized.ErrorMessage == "" {
+			normalized.ErrorMessage = err.Error()
+		}
+		return normalized
+	}
+	if normalized.Status == "" {
+		if normalized.Accepted {
+			normalized.Status = "accepted"
+		} else {
+			normalized.Status = "failed"
+		}
+	}
+	if !normalized.Accepted && normalized.ErrorCode == "" {
+		normalized.ErrorCode = "connector_rejected"
+	}
+	return normalized
+}