Pokemon MCP Server

import { describe, it, expect, beforeAll, afterAll } from 'vitest'; import Database from 'better-sqlite3'; import { ComparePokemonTool } from '../../src/tools/comparePokemon.js'; import { TestDatabase } from '../helpers/testDatabase.js'; describe('ComparePokemonTool', () => { let testDb: TestDatabase; let db: Database.Database; let tool: ComparePokemonTool; beforeAll(async () => { // Create test database with production schema and data testDb = new TestDatabase('compare-pokemon-test'); testDb.insertTestData(); db = testDb.getDatabase(); tool = new ComparePokemonTool(db); }); afterAll(async () => { if (testDb) { await testDb.cleanup(); } }); it('should compare two Pokemon by ID', async () => { const result = await tool.execute('1', '25'); expect(result.content[0].text).toContain('# Pokemon Comparison'); expect(result.content[0].text).toContain('## Bulbasaur vs Pikachu'); expect(result.content[0].text).toContain('| ID | #1 | #25 |'); }); it('should compare two Pokemon by name', async () => { const result = await tool.execute('bulbasaur', 'pikachu'); expect(result.content[0].text).toContain('# Pokemon Comparison'); expect(result.content[0].text).toContain('## Bulbasaur vs Pikachu'); }); it('should handle case-insensitive name search', async () => { const result = await tool.execute('BULBASAUR', 'pikachu'); expect(result.content[0].text).toContain('## Bulbasaur vs Pikachu'); }); it('should return error message when first Pokemon not found', async () => { const result = await tool.execute('999', '25'); expect(result.content[0].text).toBe('Pokemon "999" not found.'); }); it('should return error message when second Pokemon not found', async () => { const result = await tool.execute('1', '999'); expect(result.content[0].text).toBe('Pokemon "999" not found.'); }); it('should calculate stat differences correctly', async () => { const result = await tool.execute('1', '25'); expect(result.content[0].text).toContain('hp | 45 | 35 | +10'); expect(result.content[0].text).toContain('speed | 45 | 90 | -45'); }); it('should show total stats comparison', async () => { const result = await tool.execute('1', '25'); // Bulbasaur total: 45+49+49+65+65+45 = 318 // Pikachu total: 35+55+40+50+50+90 = 320 expect(result.content[0].text).toContain('**Total Stats:** 318 vs 320'); }); });