feat: implement tdd workflow (#1309)

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

apps/cli/tests/unit/commands/autopilot/shared.test.ts

@@ -0,0 +1,202 @@
+/**
+ * @fileoverview Unit tests for autopilot shared utilities
+ */
+
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import {
+	validateTaskId,
+	parseSubtasks,
+	OutputFormatter
+} from '../../../../src/commands/autopilot/shared.js';
+
+// Mock fs-extra
+vi.mock('fs-extra', () => ({
+	default: {
+		pathExists: vi.fn(),
+		readJSON: vi.fn(),
+		writeJSON: vi.fn(),
+		ensureDir: vi.fn(),
+		remove: vi.fn()
+	},
+	pathExists: vi.fn(),
+	readJSON: vi.fn(),
+	writeJSON: vi.fn(),
+	ensureDir: vi.fn(),
+	remove: vi.fn()
+}));
+
+describe('Autopilot Shared Utilities', () => {
+	const projectRoot = '/test/project';
+	const statePath = `${projectRoot}/.taskmaster/workflow-state.json`;
+
+	beforeEach(() => {
+		vi.clearAllMocks();
+	});
+
+	afterEach(() => {
+		vi.restoreAllMocks();
+	});
+
+	describe('validateTaskId', () => {
+		it('should validate simple task IDs', () => {
+			expect(validateTaskId('1')).toBe(true);
+			expect(validateTaskId('10')).toBe(true);
+			expect(validateTaskId('999')).toBe(true);
+		});
+
+		it('should validate subtask IDs', () => {
+			expect(validateTaskId('1.1')).toBe(true);
+			expect(validateTaskId('1.2')).toBe(true);
+			expect(validateTaskId('10.5')).toBe(true);
+		});
+
+		it('should validate nested subtask IDs', () => {
+			expect(validateTaskId('1.1.1')).toBe(true);
+			expect(validateTaskId('1.2.3')).toBe(true);
+		});
+
+		it('should reject invalid formats', () => {
+			expect(validateTaskId('')).toBe(false);
+			expect(validateTaskId('abc')).toBe(false);
+			expect(validateTaskId('1.')).toBe(false);
+			expect(validateTaskId('.1')).toBe(false);
+			expect(validateTaskId('1..2')).toBe(false);
+			expect(validateTaskId('1.2.3.')).toBe(false);
+		});
+	});
+
+	describe('parseSubtasks', () => {
+		it('should parse subtasks from task data', () => {
+			const task = {
+				id: '1',
+				title: 'Test Task',
+				subtasks: [
+					{ id: '1', title: 'Subtask 1', status: 'pending' },
+					{ id: '2', title: 'Subtask 2', status: 'done' },
+					{ id: '3', title: 'Subtask 3', status: 'in-progress' }
+				]
+			};
+
+			const result = parseSubtasks(task, 5);
+
+			expect(result).toHaveLength(3);
+			expect(result[0]).toEqual({
+				id: '1',
+				title: 'Subtask 1',
+				status: 'pending',
+				attempts: 0,
+				maxAttempts: 5
+			});
+			expect(result[1]).toEqual({
+				id: '2',
+				title: 'Subtask 2',
+				status: 'completed',
+				attempts: 0,
+				maxAttempts: 5
+			});
+		});
+
+		it('should return empty array for missing subtasks', () => {
+			const task = { id: '1', title: 'Test Task' };
+			expect(parseSubtasks(task)).toEqual([]);
+		});
+
+		it('should use default maxAttempts', () => {
+			const task = {
+				subtasks: [{ id: '1', title: 'Subtask 1', status: 'pending' }]
+			};
+
+			const result = parseSubtasks(task);
+			expect(result[0].maxAttempts).toBe(3);
+		});
+	});
+
+	// State persistence tests omitted - covered in integration tests
+
+	describe('OutputFormatter', () => {
+		let consoleLogSpy: any;
+		let consoleErrorSpy: any;
+
+		beforeEach(() => {
+			consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+			consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+		});
+
+		afterEach(() => {
+			consoleLogSpy.mockRestore();
+			consoleErrorSpy.mockRestore();
+		});
+
+		describe('JSON mode', () => {
+			it('should output JSON for success', () => {
+				const formatter = new OutputFormatter(true);
+				formatter.success('Test message', { key: 'value' });
+
+				expect(consoleLogSpy).toHaveBeenCalled();
+				const output = JSON.parse(consoleLogSpy.mock.calls[0][0]);
+				expect(output.success).toBe(true);
+				expect(output.message).toBe('Test message');
+				expect(output.key).toBe('value');
+			});
+
+			it('should output JSON for error', () => {
+				const formatter = new OutputFormatter(true);
+				formatter.error('Error message', { code: 'ERR001' });
+
+				expect(consoleErrorSpy).toHaveBeenCalled();
+				const output = JSON.parse(consoleErrorSpy.mock.calls[0][0]);
+				expect(output.error).toBe('Error message');
+				expect(output.code).toBe('ERR001');
+			});
+
+			it('should output JSON for data', () => {
+				const formatter = new OutputFormatter(true);
+				formatter.output({ test: 'data' });
+
+				expect(consoleLogSpy).toHaveBeenCalled();
+				const output = JSON.parse(consoleLogSpy.mock.calls[0][0]);
+				expect(output.test).toBe('data');
+			});
+		});
+
+		describe('Text mode', () => {
+			it('should output formatted text for success', () => {
+				const formatter = new OutputFormatter(false);
+				formatter.success('Test message');
+
+				expect(consoleLogSpy).toHaveBeenCalledWith(
+					expect.stringContaining('✓ Test message')
+				);
+			});
+
+			it('should output formatted text for error', () => {
+				const formatter = new OutputFormatter(false);
+				formatter.error('Error message');
+
+				expect(consoleErrorSpy).toHaveBeenCalledWith(
+					expect.stringContaining('Error: Error message')
+				);
+			});
+
+			it('should output formatted text for warning', () => {
+				const consoleWarnSpy = vi
+					.spyOn(console, 'warn')
+					.mockImplementation(() => {});
+				const formatter = new OutputFormatter(false);
+				formatter.warning('Warning message');
+
+				expect(consoleWarnSpy).toHaveBeenCalledWith(
+					expect.stringContaining('⚠ Warning message')
+				);
+				consoleWarnSpy.mockRestore();
+			});
+
+			it('should not output info in JSON mode', () => {
+				const formatter = new OutputFormatter(true);
+				formatter.info('Info message');
+
+				expect(consoleLogSpy).not.toHaveBeenCalled();
+			});
+		});
+	});
+});