ChatRPG

/** * get_character Tests - TDD * Red -> Green -> Refactor */ import { describe, it, expect, beforeAll, afterAll } from 'vitest'; import { handleToolCall } from '../../src/registry.js'; import { getTextContent } from '../helpers.js'; import * as fs from 'fs'; import * as path from 'path'; import * as os from 'os'; // Helper to get the same data directory the code uses const getDataDir = () => { if (process.platform === 'win32') { return path.join(process.env.APPDATA || os.homedir(), 'rpg-lite-mcp'); } else { return path.join(os.homedir(), '.config', 'rpg-lite-mcp'); } }; const DATA_DIR = path.join(getDataDir(), 'characters'); describe('get_character', () => { // Helper function to create a test character and return its ID async function createTestCharacter(): Promise<string> { const result = await handleToolCall('create_character', { name: 'Test Retrieval Character', race: 'Halfling', class: 'Rogue', level: 5, background: 'Criminal', stats: { str: 10, dex: 18, con: 12, int: 14, wis: 10, cha: 14 }, skillProficiencies: ['stealth', 'sleight_of_hand', 'deception'], saveProficiencies: ['dex', 'int'], }); if (result.isError) { const text = getTextContent(result); throw new Error(`Failed to create test character: ${text}`); } const text = getTextContent(result); const match = text.match(/Character ID: ([a-z0-9-]+)/); const id = match ? match[1] : ''; if (!id) { throw new Error(`Failed to extract character ID from: ${text}`); } return id; } // Clean up before and after all tests in this suite beforeAll(() => { if (fs.existsSync(DATA_DIR)) { const files = fs.readdirSync(DATA_DIR); for (const file of files) { const filePath = path.join(DATA_DIR, file); try { fs.unlinkSync(filePath); } catch (err) { // Ignore errors if file was already deleted } } } }); afterAll(() => { if (fs.existsSync(DATA_DIR)) { const files = fs.readdirSync(DATA_DIR); for (const file of files) { const filePath = path.join(DATA_DIR, file); try { fs.unlinkSync(filePath); } catch (err) { // Ignore errors if file was already deleted } } } }); describe('Retrieval', () => { it('should retrieve an existing character by ID', async () => { const testCharacterId = await createTestCharacter(); const result = await handleToolCall('get_character', { characterId: testCharacterId }); expect(result.isError).toBeUndefined(); const text = getTextContent(result); expect(text).toContain('Test Retrieval Character'); expect(text).toContain('Rogue'); expect(text).toContain('Level 5'); }); it('should return full character data including stats', async () => { const testCharacterId = await createTestCharacter(); const result = await handleToolCall('get_character', { characterId: testCharacterId }); expect(result.isError).toBeUndefined(); const text = getTextContent(result); // Check for ability scores expect(text).toContain('DEX'); expect(text).toContain('18'); // Check for other character info expect(text).toContain('Halfling'); expect(text).toContain('Criminal'); }); it('should include calculated values (modifiers, proficiency)', async () => { const testCharacterId = await createTestCharacter(); const result = await handleToolCall('get_character', { characterId: testCharacterId }); expect(result.isError).toBeUndefined(); const text = getTextContent(result); // Check for proficiency bonus (level 5 = +3) expect(text).toContain('+3'); // Check for ability modifier formatting (DEX 18 = +4) expect(text).toContain('+4'); }); }); describe('Error Handling', () => { it('should return error for non-existent character ID', async () => { const result = await handleToolCall('get_character', { characterId: 'non-existent-uuid-12345' }); expect(result.isError).toBe(true); const text = getTextContent(result); expect(text).toContain('Error'); expect(text.toLowerCase()).toContain('not found'); }); it('should return error for empty character ID', async () => { const result = await handleToolCall('get_character', { characterId: '' }); expect(result.isError).toBe(true); const text = getTextContent(result); expect(text).toContain('Error'); }); }); describe('Output Format', () => { it('should return ASCII art character sheet', async () => { const testCharacterId = await createTestCharacter(); const result = await handleToolCall('get_character', { characterId: testCharacterId }); expect(result.isError).toBeUndefined(); const text = getTextContent(result); // Should have ASCII box borders expect(text).toContain('╔'); // Should have HP bar and table formatting expect(text).toContain('HP: ['); expect(text).toContain('│'); // Table borders }); it('should include all ability scores with modifiers', async () => { const testCharacterId = await createTestCharacter(); const result = await handleToolCall('get_character', { characterId: testCharacterId }); expect(result.isError).toBeUndefined(); const text = getTextContent(result); // Check all six ability scores are present expect(text).toContain('STR'); expect(text).toContain('DEX'); expect(text).toContain('CON'); expect(text).toContain('INT'); expect(text).toContain('WIS'); expect(text).toContain('CHA'); }); }); });