import { describe, it, expect, vi, beforeEach } from "vitest";
// Mocking must happen before importing the server file
const mockApp = {
set: vi.fn(),
use: vi.fn(),
listen: vi.fn((port, callback) => {
if (callback) callback();
}),
};
vi.mock("express", () => {
return {
default: vi.fn(() => mockApp),
Router: vi.fn(() => ({
get: vi.fn(),
all: vi.fn(),
})),
};
});
vi.mock("cors", () => ({
default: vi.fn(() => "mocked-cors"),
}));
vi.mock("../src/config/config.ts", () => ({
config: {
port: 8787,
appName: "Test App",
mcpPath: "/mcp",
},
}));
vi.mock("../src/config/logger.ts", () => ({
logger: {
info: vi.fn(),
error: vi.fn(),
child: vi.fn().mockReturnThis(),
},
setServerId: vi.fn(),
}));
vi.mock("../src/router.ts", () => ({
default: "mocked-router",
}));
describe("app.ts", () => {
it("should initialize the server correctly", async () => {
// Import the server file to trigger its side effects
await import("../src/app.ts");
// Verify express app configuration
expect(mockApp.set).toHaveBeenCalledWith("view engine", "ejs");
// Check for CORS and router usage
expect(mockApp.use).toHaveBeenCalledWith("mocked-cors");
expect(mockApp.use).toHaveBeenCalledWith("mocked-router");
// Verify app.listen was called
expect(mockApp.listen).toHaveBeenCalledWith(8787, expect.any(Function));
});
});
