Unsplash MCP Server

import { describe, it, mock } from "node:test"; import assert from "node:assert"; import { UnsplashClient, UnsplashAPIError } from "./unsplash-client.js"; describe("UnsplashClient", () => { describe("constructor", () => { it("should throw error if access key is not provided", () => { assert.throws( () => new UnsplashClient(""), /Unsplash Access Key is required/ ); }); it("should create client with valid access key", () => { const client = new UnsplashClient("test-key"); assert.ok(client); }); }); describe("makeRequest", () => { it("should make successful API request", async () => { const mockResponse = { id: "test", results: [] }; global.fetch = mock.fn(async () => ({ ok: true, json: async () => mockResponse, status: 200, text: async () => JSON.stringify(mockResponse) })) as any; const client = new UnsplashClient("test-key"); const result = await client.makeRequest("/search/photos", { query: "nature" }); assert.deepStrictEqual(result, mockResponse); }); it("should handle API error responses", async () => { global.fetch = mock.fn(async () => ({ ok: false, status: 401, text: async () => JSON.stringify({ errors: ["Unauthorized"] }) })) as any; const client = new UnsplashClient("test-key"); await assert.rejects( async () => client.makeRequest("/search/photos"), (error: any) => { assert.ok(error instanceof UnsplashAPIError); assert.strictEqual(error.statusCode, 401); return true; } ); }); it("should handle network errors", async () => { global.fetch = mock.fn(async () => { throw new Error("Network failure"); }) as any; const client = new UnsplashClient("test-key"); await assert.rejects( async () => client.makeRequest("/search/photos"), (error: any) => { assert.ok(error instanceof UnsplashAPIError); assert.ok(error.message.includes("Network error")); return true; } ); }); it("should build query parameters correctly", async () => { let capturedUrl = ""; global.fetch = mock.fn(async (url: string) => { capturedUrl = url; return { ok: true, json: async () => ({}), status: 200 }; }) as any; const client = new UnsplashClient("test-key"); await client.makeRequest("/search/photos", { query: "nature", page: 1, per_page: 10 }); assert.ok(capturedUrl.includes("query=nature")); assert.ok(capturedUrl.includes("page=1")); assert.ok(capturedUrl.includes("per_page=10")); }); it("should skip undefined parameters", async () => { let capturedUrl = ""; global.fetch = mock.fn(async (url: string) => { capturedUrl = url; return { ok: true, json: async () => ({}), status: 200 }; }) as any; const client = new UnsplashClient("test-key"); await client.makeRequest("/search/photos", { query: "nature", page: undefined }); assert.ok(capturedUrl.includes("query=nature")); assert.ok(!capturedUrl.includes("page=")); }); }); describe("trackDownload", () => { it("should track download without throwing on success", async () => { global.fetch = mock.fn(async () => ({ ok: true, status: 200 })) as any; const client = new UnsplashClient("test-key"); await assert.doesNotReject( async () => client.trackDownload("https://api.unsplash.com/photos/test/download") ); }); it("should not throw on download tracking failure", async () => { global.fetch = mock.fn(async () => { throw new Error("Network error"); }) as any; const client = new UnsplashClient("test-key"); // Should not throw, tracking is best-effort await assert.doesNotReject( async () => client.trackDownload("https://api.unsplash.com/photos/test/download") ); }); }); });