import { beforeEach, describe, expect, it, jest } from "@jest/globals";
// Mock fetch for testing
const mockFetch = jest.fn() as jest.MockedFunction<typeof fetch>;
global.fetch = mockFetch;
describe("Resources Tests", () => {
beforeEach(() => {
jest.clearAllMocks();
});
describe("Resource Configuration", () => {
it("should define llms.txt resource correctly", () => {
const expectedResource = {
name: "Mandoline llms.txt",
description:
"Index and overview of Mandoline's LLM evaluation platform documentation. Provides site navigation, key concepts summary, and links to detailed guides on creating custom metrics, API usage, and evaluation workflows.",
mimeType: "text/plain",
uri: "mandoline://llms.txt",
};
// Test that our resource definition matches expected structure
expect(expectedResource.name).toBe("Mandoline llms.txt");
expect(expectedResource.uri).toBe("mandoline://llms.txt");
expect(expectedResource.mimeType).toBe("text/plain");
expect(expectedResource.description).toContain("evaluation platform");
});
it("should define MCP docs resource correctly", () => {
const expectedResource = {
name: "Mandoline MCP Docs",
description:
"Documentation for Mandoline's Model Context Protocol (MCP) server integration. Covers MCP setup, configuration, available tools and resources, and how to integrate Mandoline's evaluation capabilities through the MCP interface.",
mimeType: "text/plain",
uri: "mandoline://mcp",
};
expect(expectedResource.name).toBe("Mandoline MCP Docs");
expect(expectedResource.uri).toBe("mandoline://mcp");
expect(expectedResource.mimeType).toBe("text/plain");
expect(expectedResource.description).toContain("server integration");
});
});
describe("Resource Fetching Logic", () => {
it("should handle successful fetch for llms.txt", async () => {
const mockContent =
"# Mandoline LLMs Documentation\n\nThis is test content.";
mockFetch.mockResolvedValueOnce({
text: async () => mockContent,
} as Response);
// Simulate the resource handler logic
const resourceHandler = async () => {
try {
const response = await fetch("https://mandoline.ai/llms.txt");
const content = await response.text();
return {
contents: [
{
uri: "mandoline://llms.txt",
mimeType: "text/plain",
text: content,
},
],
};
} catch (error) {
return {
contents: [
{
uri: "mandoline://llms.txt",
mimeType: "text/plain",
text: `Error fetching llms.txt: ${error}.`,
},
],
};
}
};
const result = await resourceHandler();
expect(mockFetch).toHaveBeenCalledWith("https://mandoline.ai/llms.txt");
expect(result.contents).toHaveLength(1);
expect(result.contents[0].text).toBe(mockContent);
expect(result.contents[0].uri).toBe("mandoline://llms.txt");
});
it("should handle fetch errors gracefully", async () => {
const mockError = new Error("Network error");
mockFetch.mockRejectedValueOnce(mockError);
// Simulate the resource handler logic
const resourceHandler = async () => {
try {
const response = await fetch("https://mandoline.ai/mcp");
const content = await response.text();
return {
contents: [
{
uri: "mandoline://mcp",
mimeType: "text/plain",
text: content,
},
],
};
} catch (error) {
return {
contents: [
{
uri: "mandoline://mcp",
mimeType: "text/plain",
text: `Error fetching MCP docs: ${error}.`,
},
],
};
}
};
const result = await resourceHandler();
expect(mockFetch).toHaveBeenCalledWith("https://mandoline.ai/mcp");
expect(result.contents).toHaveLength(1);
expect(result.contents[0].text).toContain("Error fetching MCP docs");
expect(result.contents[0].text).toContain("Network error");
});
});
describe("MCP Resource Interface", () => {
it("should return proper resource structure", () => {
const mockResourceResult = {
contents: [
{
uri: "mandoline://llms.txt",
mimeType: "text/plain",
text: "Sample content",
},
],
};
expect(mockResourceResult.contents).toHaveLength(1);
expect(mockResourceResult.contents[0]).toHaveProperty("uri");
expect(mockResourceResult.contents[0]).toHaveProperty("mimeType");
expect(mockResourceResult.contents[0]).toHaveProperty("text");
});
it("should use consistent URI scheme", () => {
const llmsTxtUri = "mandoline://llms.txt";
const mcpDocsUri = "mandoline://mcp";
expect(llmsTxtUri).toMatch(/^mandoline:\/\//);
expect(mcpDocsUri).toMatch(/^mandoline:\/\//);
});
});
});
