import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { createServer } from '../../src/server.js';
describe('Unit Resource Handlers', () => {
let server: any;
let cleanup: any;
beforeEach(async () => {
const serverConfig = await createServer();
server = serverConfig.server;
cleanup = serverConfig.cleanup;
});
afterEach(async () => {
if (cleanup) {
await cleanup();
}
});
describe('Resource List Handler', () => {
it('should return list of available resources', async () => {
const request = {
jsonrpc: '2.0' as const,
id: 1,
method: 'resources/list',
params: {}
};
const response = await server._requestHandlers.get('resources/list')?.(request);
expect(response).toBeDefined();
expect(response.resources).toBeInstanceOf(Array);
expect(response.resources.length).toBe(6);
// Verify each resource has required properties
response.resources.forEach((resource: any) => {
expect(resource).toHaveProperty('uri');
expect(resource).toHaveProperty('name');
expect(resource).toHaveProperty('description');
expect(resource).toHaveProperty('mimeType');
expect(resource.mimeType).toBe('text/markdown');
});
});
it('should include expected resources', async () => {
const request = {
jsonrpc: '2.0' as const,
id: 1,
method: 'resources/list',
params: {}
};
const response = await server._requestHandlers.get('resources/list')?.(request);
const uris = response.resources.map((r: any) => r.uri);
expect(uris).toContain('tam://readme');
expect(uris).toContain('tam://contributing');
expect(uris).toContain('tam://release-notes');
});
});
describe('Resource Read Handler', () => {
it('should read README resource', async () => {
const request = {
jsonrpc: '2.0' as const,
id: 1,
method: 'resources/read',
params: {
uri: 'tam://readme'
}
};
const response = await server._requestHandlers.get('resources/read')?.(request);
expect(response).toBeDefined();
expect(response.contents).toBeInstanceOf(Array);
expect(response.contents.length).toBe(1);
const content = response.contents[0];
expect(content.uri).toBe('tam://readme');
expect(content.mimeType).toBe('text/markdown');
expect(content.text).toBeTruthy();
expect(content.text).toContain('Market Sizing MCP Server');
});
it('should handle invalid URI gracefully', async () => {
const request = {
jsonrpc: '2.0' as const,
id: 1,
method: 'resources/read',
params: {
uri: 'tam://nonexistent'
}
};
try {
await server._requestHandlers.get('resources/read')?.(request);
expect.fail('Should have thrown an error for invalid URI');
} catch (error) {
expect(error).toBeDefined();
expect(error.message || error.toString()).toMatch(/not found|invalid|unknown/i);
}
});
});
});
