S/MCP - Stern Model Context Protocol

import { describe, expect, it } from "bun:test"; import { msgSternSchema } from "./schema"; import { msgStern, msgSternTool } from "./index"; describe("msgStern Tool", () => { it("should parse valid input", () => { const result = msgSternSchema.safeParse({ message: "Hello Stern" }); expect(result.success).toBe(true); }); it("should reject empty messages", () => { const result = msgSternSchema.safeParse({ message: "" }); expect(result.success).toBe(false); }); it("should have the correct name and description", () => { expect(msgSternTool.name).toBe("msg_stern"); expect(msgSternTool.description).toContain("philosophical AI mentor"); }); it("should handle the main function", async () => { // Skip this test if OPENAI_API_KEY is not set or we're in CI if (!process.env.OPENAI_API_KEY || process.env.CI) { console.log("Skipping OpenAI API test in CI or without API key"); return; } const output = await msgStern({ message: "I want to learn programming but I keep procrastinating", }); expect(output).toBeTruthy(); expect(typeof output).toBe("string"); }); it("should throw an error when OpenAI API key is not set", async () => { // Remove API key from environment const originalEnv = process.env.OPENAI_API_KEY; delete process.env.OPENAI_API_KEY; try { await expect(msgStern({ message: "Hello" })).rejects.toThrow( "OPENAI_API_KEY environment variable is not set" ); } finally { // Restore API key process.env.OPENAI_API_KEY = originalEnv; } }); });