import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
describe("HAL MCP Server", () => {
test("should create server instance", () => {
const server = new McpServer({
name: "hal-mcp",
version: "1.0.0"
});
expect(server).toBeDefined();
});
test("should have correct server metadata", () => {
const server = new McpServer({
name: "hal-mcp",
version: "1.0.0"
});
// Server should be created with the correct name and version
// Note: We can't easily test the internal state without exposing it,
// but we can at least verify the server creates without errors
expect(server).toBeInstanceOf(McpServer);
});
test("should support all HTTP methods", () => {
// Test that the HTTP methods we expect to support are included
const supportedMethods = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options'];
// This is a basic test to ensure our expected methods list is complete
expect(supportedMethods).toContain('get');
expect(supportedMethods).toContain('post');
expect(supportedMethods).toContain('put');
expect(supportedMethods).toContain('patch');
expect(supportedMethods).toContain('delete');
expect(supportedMethods).toContain('head');
expect(supportedMethods).toContain('options');
});
describe("HTTP method validation", () => {
test("should include all standard HTTP methods", () => {
const supportedMethods = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options'];
// Verify we support the core CRUD operations
expect(supportedMethods).toContain('get'); // Read
expect(supportedMethods).toContain('post'); // Create
expect(supportedMethods).toContain('put'); // Update/Replace
expect(supportedMethods).toContain('patch'); // Update/Modify
expect(supportedMethods).toContain('delete'); // Delete
// Verify we support metadata operations
expect(supportedMethods).toContain('head'); // Get headers only
expect(supportedMethods).toContain('options'); // Get available methods
});
test("should handle HEAD requests correctly", () => {
// HEAD requests should not attempt to parse response body
// This test verifies our method list includes HEAD and our logic accounts for it
const headMethodSupported = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options'].includes('head');
expect(headMethodSupported).toBe(true);
// HEAD requests return no body by HTTP specification
// Our implementation should handle this gracefully
expect(true).toBe(true); // Placeholder for HEAD-specific logic validation
});
});
describe("URL Filtering", () => {
const originalEnv = process.env;
beforeEach(() => {
jest.resetModules();
process.env = { ...originalEnv };
});
afterAll(() => {
process.env = originalEnv;
});
test("should allow all URLs when no filters are set", () => {
delete process.env.HAL_WHITELIST_URLS;
delete process.env.HAL_BLACKLIST_URLS;
// Import the functions after setting up the environment
// Note: In a real implementation, these functions would need to be exported
// For now, this is a conceptual test
const testUrl = "https://api.example.com/test";
// Without any filters, all URLs should be allowed
expect(true).toBe(true); // Placeholder - would test isUrlAllowedGlobal(testUrl).allowed
});
test("should respect whitelist when set", () => {
process.env.HAL_WHITELIST_URLS = "https://api.github.com/*,https://*.googleapis.com/*";
// URLs matching whitelist should be allowed
const allowedUrl = "https://api.github.com/user";
const blockedUrl = "https://api.example.com/test";
// These would test the actual functions:
// expect(isUrlAllowedGlobal(allowedUrl).allowed).toBe(true);
// expect(isUrlAllowedGlobal(blockedUrl).allowed).toBe(false);
expect(true).toBe(true); // Placeholder
});
test("should respect blacklist when set", () => {
process.env.HAL_BLACKLIST_URLS = "http://localhost:*,https://192.168.*";
// URLs matching blacklist should be blocked
const allowedUrl = "https://api.github.com/user";
const blockedUrl = "http://localhost:3000/api";
// These would test the actual functions:
// expect(isUrlAllowedGlobal(allowedUrl).allowed).toBe(true);
// expect(isUrlAllowedGlobal(blockedUrl).allowed).toBe(false);
expect(true).toBe(true); // Placeholder
});
test("should prioritize whitelist over blacklist", () => {
process.env.HAL_WHITELIST_URLS = "https://api.github.com/*";
process.env.HAL_BLACKLIST_URLS = "https://*";
// Even though blacklist would block all HTTPS, whitelist should take precedence
const testUrl = "https://api.github.com/user";
// This would test: expect(isUrlAllowedGlobal(testUrl).allowed).toBe(true);
expect(true).toBe(true); // Placeholder
});
test("should support wildcard patterns", () => {
process.env.HAL_WHITELIST_URLS = "https://*.example.com/*";
const allowedUrls = [
"https://api.example.com/test",
"https://dev.example.com/api",
"https://staging.example.com/v1/users"
];
const blockedUrls = [
"https://example.com/test", // No subdomain
"https://api.other.com/test", // Different domain
"http://api.example.com/test" // Different protocol
];
// These would test the pattern matching
expect(allowedUrls.length).toBe(3);
expect(blockedUrls.length).toBe(3);
});
});
});