import { describe, it, expect } from 'vitest';
import {
exampleDataOperation,
type DataOperationInput
} from './example-tools.js';
/**
* Unit tests for example tools
*
* These tests demonstrate how to test MCP tool functions.
* Replace these with tests for your actual business logic.
*/
describe('Example Tools', () => {
describe('exampleDataOperation', () => {
it('should return data with correct structure', async () => {
const input: DataOperationInput = {
limit: 5,
filter: 'sample',
includeMetadata: true
};
const result = await exampleDataOperation(input);
expect(result).toHaveProperty('items');
expect(result).toHaveProperty('totalFound');
expect(result).toHaveProperty('filters');
expect(result.items).toBeInstanceOf(Array);
expect(result.items.length).toBeLessThanOrEqual(5);
expect(result.filters).toEqual(input);
});
it('should filter results correctly', async () => {
const input: DataOperationInput = {
limit: 10,
filter: 'sample',
includeMetadata: false
};
const result = await exampleDataOperation(input);
// Should only return items that match the filter
result.items.forEach(item => {
const itemText = `${item.title} ${item.description} ${item.category}`.toLowerCase();
expect(itemText).toContain('sample');
});
});
it('should apply limit correctly', async () => {
const input: DataOperationInput = {
limit: 2,
includeMetadata: false
};
const result = await exampleDataOperation(input);
expect(result.items.length).toBeLessThanOrEqual(2);
});
it('should include metadata when requested', async () => {
const input: DataOperationInput = {
limit: 5,
includeMetadata: true
};
const result = await exampleDataOperation(input);
result.items.forEach(item => {
if (item.metadata) {
expect(item.metadata).toHaveProperty('processingTime');
expect(item.metadata).toHaveProperty('source');
}
});
});
it('should handle no filter', async () => {
const input: DataOperationInput = {
limit: 10,
includeMetadata: false
};
const result = await exampleDataOperation(input);
expect(result.items.length).toBeGreaterThan(0);
expect(result.totalFound).toBeGreaterThan(0);
});
// Performance test
it('should complete within reasonable time', async () => {
const startTime = Date.now();
const input: DataOperationInput = {
limit: 10,
includeMetadata: true
};
await exampleDataOperation(input);
const endTime = Date.now();
const duration = endTime - startTime;
// Should complete within 1 second
expect(duration).toBeLessThan(1000);
});
});
});
