/**
* MCP Server Integration Tests
* End-to-end tests for the complete MCP server
*/
import { describe, it, expect, beforeAll, afterAll, vi } from 'vitest';
import {
mockFetchSuccess,
mockFetchError,
mockFetchRouter,
} from '../helpers/mock-fetch';
import {
testUser,
testServer,
testDeployment,
createTestUser,
} from '../helpers/test-data';
describe('MCP Server Integration', () => {
const baseUrl = 'https://test.komodo.example.com';
let sessionToken: string | null = null;
beforeAll(() => {
// Setup global test environment
process.env.KOMODO_URL = baseUrl;
process.env.KOMODO_API_KEY = 'test_api_key';
process.env.KOMODO_API_SECRET = 'test_api_secret';
});
afterAll(() => {
vi.clearAllMocks();
});
describe('Server Initialization', () => {
it('should initialize MCP server with environment config', () => {
expect(process.env.KOMODO_URL).toBe(baseUrl);
expect(process.env.KOMODO_API_KEY).toBeDefined();
expect(process.env.KOMODO_API_SECRET).toBeDefined();
});
it('should validate required environment variables', () => {
const requiredVars = ['KOMODO_URL', 'KOMODO_API_KEY', 'KOMODO_API_SECRET'];
requiredVars.forEach((varName) => {
expect(process.env[varName]).toBeDefined();
});
});
});
describe('Complete Authentication Flow', () => {
it('should complete login -> validate -> logout flow', async () => {
const routes = {
'/auth/login': { token: 'session_123', user: testUser },
'/auth/validate': { valid: true, user: testUser },
'/auth/logout': { success: true },
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// Step 1: Login
const loginResponse = await mockFetch(`${baseUrl}/auth/login`, {
method: 'POST',
body: JSON.stringify({ username: 'test', password: 'pass' }),
});
const loginData = await loginResponse.json();
expect(loginData.token).toBe('session_123');
sessionToken = loginData.token;
// Step 2: Validate session
const validateResponse = await mockFetch(`${baseUrl}/auth/validate`);
const validateData = await validateResponse.json();
expect(validateData.valid).toBe(true);
// Step 3: Logout
const logoutResponse = await mockFetch(`${baseUrl}/auth/logout`);
const logoutData = await logoutResponse.json();
expect(logoutData.success).toBe(true);
sessionToken = null;
});
it('should handle token refresh in workflow', async () => {
const routes = {
'/auth/login': { token: 'old_token', user: testUser },
'/api/data': (url: string, options: any) => {
const auth = options?.headers?.Authorization;
if (auth === 'Bearer old_token') {
return { error: 'Token expired' };
}
return { data: 'success' };
},
'/auth/refresh': { token: 'new_token' },
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// Login
const loginResponse = await mockFetch(`${baseUrl}/auth/login`);
const { token: oldToken } = await loginResponse.json();
// Request with old token (simulated expiration)
const failedResponse = await mockFetch(`${baseUrl}/api/data`, {
headers: { Authorization: `Bearer old_token` },
});
const failedData = await failedResponse.json();
expect(failedData.error).toBe('Token expired');
// Refresh token
const refreshResponse = await mockFetch(`${baseUrl}/auth/refresh`);
const { token: newToken } = await refreshResponse.json();
expect(newToken).toBe('new_token');
expect(newToken).not.toBe(oldToken);
// Retry with new token
const successResponse = await mockFetch(`${baseUrl}/api/data`, {
headers: { Authorization: `Bearer ${newToken}` },
});
const successData = await successResponse.json();
expect(successData.data).toBe('success');
});
});
describe('User Management Flow', () => {
it('should complete user CRUD operations', async () => {
const newUser = {
username: 'newuser',
email: 'new@example.com',
password: 'pass123',
};
const routes = {
'/user': { id: 'user_new', ...newUser },
'/users': { users: [testUser], total: 1 },
'/user/user_new': (url: string, options: any) => {
if (options?.method === 'DELETE') {
return { success: true, deleted_id: 'user_new' };
}
return { id: 'user_new', ...newUser };
},
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// Create user
const createResponse = await mockFetch(`${baseUrl}/user`, {
method: 'POST',
body: JSON.stringify(newUser),
});
const created = await createResponse.json();
expect(created.id).toBe('user_new');
expect(created.username).toBe(newUser.username);
// List users
const listResponse = await mockFetch(`${baseUrl}/users`);
const list = await listResponse.json();
expect(list.users).toBeDefined();
expect(list.total).toBeGreaterThan(0);
// Get user
const getResponse = await mockFetch(`${baseUrl}/user/user_new`);
const user = await getResponse.json();
expect(user.id).toBe('user_new');
// Delete user
const deleteResponse = await mockFetch(`${baseUrl}/user/user_new`, {
method: 'DELETE',
});
const deleted = await deleteResponse.json();
expect(deleted.success).toBe(true);
expect(deleted.deleted_id).toBe('user_new');
});
});
describe('Read Operations Flow', () => {
it('should list and retrieve servers', async () => {
const servers = [testServer];
const routes = {
'/servers': { servers, total: 1 },
[`/server/${testServer.id}`]: testServer,
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// List servers
const listResponse = await mockFetch(`${baseUrl}/servers`);
const list = await listResponse.json();
expect(list.servers).toHaveLength(1);
expect(list.total).toBe(1);
// Get specific server
const getResponse = await mockFetch(`${baseUrl}/server/${testServer.id}`);
const server = await getResponse.json();
expect(server.id).toBe(testServer.id);
expect(server.name).toBe(testServer.name);
});
it('should list and retrieve deployments', async () => {
const routes = {
'/deployments': { deployments: [testDeployment], total: 1 },
[`/deployment/${testDeployment.id}`]: testDeployment,
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// List deployments
const listResponse = await mockFetch(`${baseUrl}/deployments`);
const list = await listResponse.json();
expect(list.deployments).toHaveLength(1);
// Get specific deployment
const getResponse = await mockFetch(
`${baseUrl}/deployment/${testDeployment.id}`
);
const deployment = await getResponse.json();
expect(deployment.id).toBe(testDeployment.id);
expect(deployment.status).toBe('running');
});
});
describe('Execute Operations Flow', () => {
it('should execute deployment', async () => {
const mockFetch = mockFetchSuccess({
success: true,
deployment_id: testDeployment.id,
status: 'deploying',
});
global.fetch = mockFetch as any;
const response = await mockFetch(
`${baseUrl}/execute/deploy/${testDeployment.id}`,
{ method: 'POST' }
);
const result = await response.json();
expect(result.success).toBe(true);
expect(result.deployment_id).toBe(testDeployment.id);
expect(result.status).toBe('deploying');
});
it('should control server lifecycle', async () => {
const routes = {
[`/execute/server/${testServer.id}/start`]: {
success: true,
status: 'starting',
},
[`/execute/server/${testServer.id}/stop`]: {
success: true,
status: 'stopping',
},
[`/execute/server/${testServer.id}/restart`]: {
success: true,
status: 'restarting',
},
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// Start server
const startResponse = await mockFetch(
`${baseUrl}/execute/server/${testServer.id}/start`,
{ method: 'POST' }
);
const startData = await startResponse.json();
expect(startData.status).toBe('starting');
// Stop server
const stopResponse = await mockFetch(
`${baseUrl}/execute/server/${testServer.id}/stop`,
{ method: 'POST' }
);
const stopData = await stopResponse.json();
expect(stopData.status).toBe('stopping');
// Restart server
const restartResponse = await mockFetch(
`${baseUrl}/execute/server/${testServer.id}/restart`,
{ method: 'POST' }
);
const restartData = await restartResponse.json();
expect(restartData.status).toBe('restarting');
});
});
describe('Error Handling Integration', () => {
it('should handle cascading errors gracefully', async () => {
const mockFetch = mockFetchError('Service unavailable', { status: 503 });
global.fetch = mockFetch as any;
const operations = [
mockFetch(`${baseUrl}/users`),
mockFetch(`${baseUrl}/servers`),
mockFetch(`${baseUrl}/deployments`),
];
const results = await Promise.allSettled(operations);
results.forEach((result) => {
expect(result.status).toBe('fulfilled');
if (result.status === 'fulfilled') {
expect(result.value.status).toBe(503);
}
});
});
it('should handle partial system outage', async () => {
const routes = {
'/users': { users: [testUser], total: 1 },
'/servers': null, // Simulates failed endpoint
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
// Users endpoint works
const usersResponse = await mockFetch(`${baseUrl}/users`);
const usersData = await usersResponse.json();
expect(usersData.users).toBeDefined();
// Servers endpoint fails
const serversResponse = await mockFetch(`${baseUrl}/servers`);
const serversData = await serversResponse.json();
expect(serversData).toBeNull();
});
});
describe('Concurrent Operations', () => {
it('should handle multiple simultaneous requests', async () => {
const routes = {
'/users': { users: [testUser], total: 1 },
'/servers': { servers: [testServer], total: 1 },
'/deployments': { deployments: [testDeployment], total: 1 },
};
const mockFetch = mockFetchRouter(routes);
global.fetch = mockFetch as any;
const requests = [
mockFetch(`${baseUrl}/users`),
mockFetch(`${baseUrl}/servers`),
mockFetch(`${baseUrl}/deployments`),
];
const responses = await Promise.all(requests);
const data = await Promise.all(responses.map((r) => r.json()));
expect(data[0].users).toBeDefined();
expect(data[1].servers).toBeDefined();
expect(data[2].deployments).toBeDefined();
});
it('should handle concurrent writes safely', async () => {
let createCount = 0;
const mockFetch = vi.fn(async () => {
createCount++;
return {
ok: true,
status: 200,
json: async () => ({ id: `user_${createCount}`, username: `user${createCount}` }),
};
});
global.fetch = mockFetch as any;
const creates = [
mockFetch(`${baseUrl}/user`, { method: 'POST' }),
mockFetch(`${baseUrl}/user`, { method: 'POST' }),
mockFetch(`${baseUrl}/user`, { method: 'POST' }),
];
const responses = await Promise.all(creates);
const users = await Promise.all(responses.map((r) => r.json()));
expect(users).toHaveLength(3);
expect(new Set(users.map((u) => u.id)).size).toBe(3); // All unique IDs
});
});
describe('Performance and Timeout', () => {
it('should handle slow responses', async () => {
const mockFetch = mockFetchSuccess(testUser, { delay: 100 });
global.fetch = mockFetch as any;
const start = Date.now();
const response = await mockFetch(`${baseUrl}/user/me`);
const duration = Date.now() - start;
expect(duration).toBeGreaterThanOrEqual(100);
expect(response.ok).toBe(true);
});
it('should timeout on extremely slow responses', async () => {
const timeout = 1000;
const mockFetch = vi.fn(
async () =>
new Promise((resolve) =>
setTimeout(
() =>
resolve({
ok: true,
status: 200,
json: async () => testUser,
}),
timeout + 500
)
)
);
global.fetch = mockFetch as any;
const timeoutPromise = new Promise((_, reject) =>
setTimeout(() => reject(new Error('Request timeout')), timeout)
);
await expect(
Promise.race([mockFetch(`${baseUrl}/user/me`), timeoutPromise])
).rejects.toThrow('Request timeout');
}, 3000);
});
});
