Dart MCP Server

import { fix } from '../../src/tools/fix.js'; import { toAbsolutePath } from '../../src/utils/path-utils.js'; import { executeDartCommand } from '../../src/utils/dart-executor.js'; // Mock dependencies jest.mock('../../src/utils/path-utils.js', () => ({ toAbsolutePath: jest.fn() })); jest.mock('../../src/utils/dart-executor.js', () => ({ executeDartCommand: jest.fn() })); describe('fix tool', () => { beforeEach(() => { // Reset mocks before each test jest.mocked(toAbsolutePath).mockReset(); jest.mocked(executeDartCommand).mockReset(); // Default mock implementations jest.mocked(toAbsolutePath).mockImplementation((path) => path ? `/resolved/${path}` : ''); jest.mocked(executeDartCommand).mockResolvedValue({ stdout: 'success', stderr: '' }); }); it('should handle path parameter when provided with default apply', async () => { const path = 'lib/main.dart'; const absolutePath = '/resolved/lib/main.dart'; jest.mocked(toAbsolutePath).mockReturnValue(absolutePath); await fix({ path, apply: true }); // Should call toAbsolutePath with the provided path expect(toAbsolutePath).toHaveBeenCalledWith(path); // Should execute command with absolute path and --apply flag (default) expect(executeDartCommand).toHaveBeenCalledWith('fix', [absolutePath, '--apply']); }); it('should set --apply flag when apply is true', async () => { const path = 'lib'; const absolutePath = '/resolved/lib'; jest.mocked(toAbsolutePath).mockReturnValue(absolutePath); await fix({ path, apply: true }); // Should execute command with --apply flag expect(executeDartCommand).toHaveBeenCalledWith('fix', [absolutePath, '--apply']); }); it('should set --dry-run flag when apply is false', async () => { const path = 'lib'; const absolutePath = '/resolved/lib'; jest.mocked(toAbsolutePath).mockReturnValue(absolutePath); await fix({ path, apply: false }); // Should execute command with --dry-run flag expect(executeDartCommand).toHaveBeenCalledWith('fix', [absolutePath, '--dry-run']); }); it('should pass through additional options', async () => { const path = 'lib'; const absolutePath = '/resolved/lib'; const options = ['--pedantic', '--verbose']; jest.mocked(toAbsolutePath).mockReturnValue(absolutePath); await fix({ path, apply: true, options }); // Should execute command with the options expect(executeDartCommand).toHaveBeenCalledWith('fix', [absolutePath, '--apply', ...options]); }); it('should combine all parameters correctly', async () => { const path = 'lib'; const absolutePath = '/resolved/lib'; const options = ['--verbose']; jest.mocked(toAbsolutePath).mockReturnValue(absolutePath); await fix({ path, apply: true, options }); // Should execute command with all parameters in correct order expect(executeDartCommand).toHaveBeenCalledWith('fix', [absolutePath, '--apply', ...options]); }); it('should execute command with no path but with default apply', async () => { // No path provided await fix({ apply: true }); // Should execute command with just --apply flag expect(executeDartCommand).toHaveBeenCalledWith('fix', ['--apply']); }); it('should return successful command results', async () => { const expectedOutput = 'Applied fixes to 3 files'; jest.mocked(executeDartCommand).mockResolvedValue({ stdout: expectedOutput, stderr: '' }); const result = await fix({ apply: true }); expect(result).toEqual({ content: [{ type: 'text', text: expectedOutput }], isError: false }); }); it('should return error command results', async () => { const expectedError = 'Error: No fixes available'; jest.mocked(executeDartCommand).mockResolvedValue({ stdout: '', stderr: expectedError }); const result = await fix({ apply: true }); expect(result).toEqual({ content: [{ type: 'text', text: expectedError }], isError: true }); }); });