TouchDesigner MCP

import { describe, expect, test } from "vitest"; import type { StdioTransportConfig, StreamableHttpTransportConfig, } from "../../../src/transport/config.js"; import { TransportFactory } from "../../../src/transport/factory.js"; describe("TransportFactory", () => { describe("stdio transport creation", () => { test("should create stdio transport from valid config", () => { const config: StdioTransportConfig = { type: "stdio", }; const result = TransportFactory.create(config); expect(result.success).toBe(true); if (result.success) { expect(result.data).toBeDefined(); // StdioServerTransport should have standard Transport interface methods expect(typeof result.data.start).toBe("function"); expect(typeof result.data.send).toBe("function"); expect(typeof result.data.close).toBe("function"); } }); test("should validate config before creating transport", () => { const invalidConfig = { port: 6280, // Invalid for stdio type: "stdio", }; const result = TransportFactory.create(invalidConfig); expect(result.success).toBe(false); if (!result.success) { expect(result.error.message).toContain("validation failed"); } }); }); describe("streamable-http transport creation", () => { test("should create HTTP transport from valid config", () => { const config: StreamableHttpTransportConfig = { endpoint: "/mcp", host: "127.0.0.1", port: 6280, type: "streamable-http", }; const result = TransportFactory.create(config); expect(result.success).toBe(true); if (result.success) { expect(result.data).toBeDefined(); expect(result.data).toHaveProperty("start"); expect(result.data).toHaveProperty("close"); } }); test("should validate HTTP config before attempting creation", () => { const invalidConfig = { endpoint: "/mcp", host: "", port: 0, type: "streamable-http", }; const result = TransportFactory.create(invalidConfig); expect(result.success).toBe(false); if (!result.success) { // Should fail at validation, not implementation expect(result.error.message).toContain("validation failed"); } }); }); describe("configuration validation", () => { test("should reject invalid transport type", () => { const invalidConfig = { type: "unknown-transport", }; const result = TransportFactory.create(invalidConfig); expect(result.success).toBe(false); if (!result.success) { expect(result.error.message).toContain("validation failed"); } }); test("should reject config missing required fields", () => { const invalidConfig = { type: "streamable-http", // Missing port, host, endpoint }; const result = TransportFactory.create(invalidConfig); expect(result.success).toBe(false); if (!result.success) { expect(result.error.message).toContain("validation failed"); } }); test("should reject null config", () => { const result = TransportFactory.create(null); expect(result.success).toBe(false); if (!result.success) { expect(result.error.message).toContain("validation failed"); } }); test("should reject undefined config", () => { const result = TransportFactory.create(undefined); expect(result.success).toBe(false); if (!result.success) { expect(result.error.message).toContain("validation failed"); } }); }); describe("error handling", () => { test("should handle stdio transport creation errors gracefully", () => { const config: StdioTransportConfig = { type: "stdio", }; const result = TransportFactory.create(config); // Even if creation fails, should return proper error result expect(result).toBeDefined(); if (!result.success) { expect(result.error).toBeInstanceOf(Error); expect(result.error.message).toBeDefined(); } }); }); describe("type discrimination", () => { test("should correctly route stdio config to stdio factory", () => { const config: StdioTransportConfig = { type: "stdio", }; const result = TransportFactory.create(config); // Should create stdio transport (success) expect(result.success).toBe(true); }); test("should correctly route HTTP config to HTTP factory", () => { const config: StreamableHttpTransportConfig = { endpoint: "/mcp", host: "127.0.0.1", port: 6280, type: "streamable-http", }; const result = TransportFactory.create(config); // Should successfully create HTTP transport expect(result.success).toBe(true); if (result.success) { // Verify it's a StreamableHTTPServerTransport expect(result.data).toBeDefined(); expect(result.data).toHaveProperty("start"); expect(result.data).toHaveProperty("close"); expect(result.data).toHaveProperty("send"); } }); }); });