import { jest, describe, it, expect } from '@jest/globals';
describe('MCP Server Integration', () => {
describe('Tool Registration', () => {
it('should validate tool structure', () => {
const mockTool = {
name: 'cakemail_health_check',
description: 'Check API health',
inputSchema: {
type: 'object',
properties: {},
required: []
}
};
expect(mockTool.name).toBeDefined();
expect(mockTool.description).toBeDefined();
expect(mockTool.inputSchema).toBeDefined();
expect(mockTool.inputSchema.type).toBe('object');
expect(mockTool.inputSchema.properties).toBeDefined();
});
it('should have consistent naming convention', () => {
const mockTools = [
{ name: 'cakemail_health_check' },
{ name: 'cakemail_get_senders' },
{ name: 'cakemail_create_sender' },
{ name: 'cakemail_send_email' }
];
mockTools.forEach(tool => {
expect(tool.name).toMatch(/^cakemail_/);
});
});
it('should validate sender tool schema', () => {
const createSenderTool = {
name: 'cakemail_create_sender',
description: 'Create a new sender',
inputSchema: {
type: 'object',
properties: {
name: { type: 'string', description: 'Sender name' },
email: { type: 'string', description: 'Sender email' },
language: { type: 'string', description: 'Language code' }
},
required: ['name', 'email']
}
};
expect(createSenderTool.inputSchema.properties).toHaveProperty('name');
expect(createSenderTool.inputSchema.properties).toHaveProperty('email');
expect(createSenderTool.inputSchema.required).toContain('name');
expect(createSenderTool.inputSchema.required).toContain('email');
});
});
describe('API Client Configuration', () => {
it('should create API client with proper configuration', () => {
interface CakemailConfig {
username: string;
password: string;
circuitBreaker?: {
enabled: boolean;
failureThreshold: number;
resetTimeout: number;
};
}
const createAPIClient = (config: CakemailConfig) => {
return {
config,
healthCheck: jest.fn(),
senders: {
getSenders: jest.fn(),
createSender: jest.fn()
}
};
};
const api = createAPIClient({
username: 'test_user',
password: 'test_password',
circuitBreaker: {
enabled: false,
failureThreshold: 5,
resetTimeout: 60000
}
});
expect(api).toBeDefined();
expect(api.config.username).toBe('test_user');
expect(typeof api.healthCheck).toBe('function');
expect(typeof api.senders.getSenders).toBe('function');
});
});
describe('Error Handling', () => {
it('should handle unknown tool calls', async () => {
const handleToolCall = async (request: any, _api: any) => {
const toolName = request.params.name;
if (!toolName.startsWith('cakemail_')) {
return {
isError: true,
content: [
{
type: 'text',
text: `Unknown tool: ${toolName}`,
},
],
};
}
return {
content: [
{
type: 'text',
text: 'Success',
},
],
};
};
const mockAPI = {
healthCheck: jest.fn().mockResolvedValue({ status: 'healthy' })
};
const request = {
method: 'tools/call',
params: {
name: 'unknown_tool',
arguments: {}
}
};
const response = await handleToolCall(request, mockAPI);
expect(response.isError).toBe(true);
expect(response.content[0].text).toContain('Unknown tool');
});
it('should handle malformed requests', () => {
const validateRequest = (request: any): boolean => {
if (!request.params) return false;
if (!request.params.name) return false;
if (!request.params.arguments && request.params.arguments !== {}) return false;
return true;
};
const validRequest = {
method: 'tools/call',
params: {
name: 'cakemail_health_check',
arguments: {}
}
};
const invalidRequest = {
method: 'tools/call',
params: {
name: ''
}
};
expect(validateRequest(validRequest)).toBe(true);
expect(validateRequest(invalidRequest)).toBe(false);
expect(validateRequest({})).toBe(false);
});
});
describe('Server Response Format', () => {
it('should return properly formatted responses', () => {
const createSuccessResponse = (message: string) => ({
content: [
{
type: 'text',
text: message,
},
],
});
const createErrorResponse = (error: string) => ({
isError: true,
content: [
{
type: 'text',
text: `Error: ${error}`,
},
],
});
const successResponse = createSuccessResponse('Operation completed successfully');
expect(successResponse.content[0].type).toBe('text');
expect(successResponse.content[0].text).toContain('successfully');
expect(successResponse.isError).toBeUndefined();
const errorResponse = createErrorResponse('Something went wrong');
expect(errorResponse.isError).toBe(true);
expect(errorResponse.content[0].text).toContain('Error:');
});
});
});
