feat: mcp server sdk (#4794)

Signed-off-by: kevin <wanjunfeng@gmail.com>

mcp/config_test.go

@@ -0,0 +1,63 @@
+package mcp
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/zeromicro/go-zero/core/conf"
+)
+
+func TestMcpConfDefaults(t *testing.T) {
+	// Test default values are set correctly when unmarshalled from JSON
+	jsonConfig := `name: test-service
+port: 8080
+mcp:
+  name: test-mcp-server
+  version: 1.0.0
+`
+
+	var c McpConf
+	err := conf.LoadFromYamlBytes([]byte(jsonConfig), &c)
+	assert.NoError(t, err)
+
+	// Check default values
+	assert.Equal(t, "test-mcp-server", c.Mcp.Name)
+	assert.Equal(t, "1.0.0", c.Mcp.Version, "Default version should be 1.0.0")
+	assert.Equal(t, "2024-11-05", c.Mcp.ProtocolVersion, "Default protocol version should be 2024-11-05")
+	assert.Equal(t, "/sse", c.Mcp.SseEndpoint, "Default SSE endpoint should be /sse")
+	assert.Equal(t, "/message", c.Mcp.MessageEndpoint, "Default message endpoint should be /message")
+	assert.Equal(t, 30*time.Second, c.Mcp.ToolTimeout, "Default tool timeout should be 30s")
+}
+
+func TestMcpConfCustomValues(t *testing.T) {
+	// Test custom values can be set
+	jsonConfig := `{
+		"Name": "test-service",
+		"Port": 8080,
+		"Mcp": {
+			"Name": "test-mcp-server",
+			"Version": "2.0.0",
+			"ProtocolVersion": "2025-01-01",
+			"BaseUrl": "http://example.com",
+			"SseEndpoint": "/custom-sse",
+			"MessageEndpoint": "/custom-message",
+			"Cors": ["http://localhost:3000", "http://example.com"],
+			"ToolTimeout": "60s"
+		}
+	}`
+
+	var c McpConf
+	err := conf.LoadFromJsonBytes([]byte(jsonConfig), &c)
+	assert.NoError(t, err)
+
+	// Check custom values
+	assert.Equal(t, "test-mcp-server", c.Mcp.Name, "Name should be inherited from RestConf")
+	assert.Equal(t, "2.0.0", c.Mcp.Version, "Version should be customizable")
+	assert.Equal(t, "2025-01-01", c.Mcp.ProtocolVersion, "Protocol version should be customizable")
+	assert.Equal(t, "http://example.com", c.Mcp.BaseUrl, "BaseUrl should be customizable")
+	assert.Equal(t, "/custom-sse", c.Mcp.SseEndpoint, "SSE endpoint should be customizable")
+	assert.Equal(t, "/custom-message", c.Mcp.MessageEndpoint, "Message endpoint should be customizable")
+	assert.Equal(t, []string{"http://localhost:3000", "http://example.com"}, c.Mcp.Cors, "CORS settings should be customizable")
+	assert.Equal(t, 60*time.Second, c.Mcp.ToolTimeout, "Tool timeout should be customizable")
+}