MCP WordPress Server

import { getErrorMessage, handleToolError, validateRequired, validateSite } from "../dist/utils/error.js"; describe("Error Handling Utilities", () => { describe("getErrorMessage", () => { test("should extract message from Error object", () => { const error = new Error("Test error message"); expect(getErrorMessage(error)).toBe("Test error message"); }); test("should return string errors as-is", () => { expect(getErrorMessage("String error")).toBe("String error"); }); test("should extract message from object with message property", () => { const error = { message: "Object error message" }; expect(getErrorMessage(error)).toBe("Object error message"); }); test("should return default message for unknown error types", () => { expect(getErrorMessage(null)).toBe("Unknown error occurred"); expect(getErrorMessage(undefined)).toBe("Unknown error occurred"); expect(getErrorMessage(123)).toBe("Unknown error occurred"); }); }); describe("handleToolError", () => { test("should throw connection error for ECONNREFUSED", () => { const error = new Error("ECONNREFUSED connection failed"); expect(() => handleToolError(error, "test operation")).toThrow( "Connection failed during test operation. Please check your WordPress site URL and network connection.", ); }); test("should throw authentication error for 401", () => { const error = new Error("401 Unauthorized access"); expect(() => handleToolError(error, "test operation")).toThrow( "Authentication failed during test operation. Please check your WordPress credentials.", ); }); test("should throw permission error for 403", () => { const error = new Error("403 Forbidden access"); expect(() => handleToolError(error, "test operation")).toThrow( "Permission denied during test operation. Please check your user permissions.", ); }); test("should throw rate limit error for 429", () => { const error = new Error("429 Too Many Requests"); expect(() => handleToolError(error, "test operation")).toThrow( "Rate limit exceeded during test operation. Please try again later.", ); }); test("should throw generic error for other cases", () => { const error = new Error("Generic error"); expect(() => handleToolError(error, "test operation")).toThrow("Failed to test operation: Generic error"); }); }); describe("validateRequired", () => { test("should pass validation when all required params are present", () => { const params = { id: 1, title: "Test", content: "Test content" }; expect(() => validateRequired(params, ["id", "title"])).not.toThrow(); }); test("should throw error when required params are missing", () => { const params = { title: "Test" }; expect(() => validateRequired(params, ["id", "title", "content"])).toThrow( "Missing required parameters: id, content", ); }); test("should handle empty required array", () => { const params = {}; expect(() => validateRequired(params, [])).not.toThrow(); }); }); describe("validateSite", () => { test("should return single site when no site specified and only one available", () => { expect(validateSite(undefined, ["site1"])).toBe("site1"); }); test("should throw error when no site specified and multiple available", () => { expect(() => validateSite(undefined, ["site1", "site2"])).toThrow( "Site parameter is required when multiple sites are configured. Available sites: site1, site2", ); }); test("should return valid site when specified", () => { expect(validateSite("site2", ["site1", "site2", "site3"])).toBe("site2"); }); test("should throw error when invalid site specified", () => { expect(() => validateSite("invalid", ["site1", "site2"])).toThrow( "Site 'invalid' not found. Available sites: site1, site2", ); }); }); });