test: add logger.test

Author: xiaoyu2er

packages/translate/tests/unit/logger.test.ts

@@ -0,0 +1,132 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { logger } from '../../src/logger';
+
+describe('logger', () => {
+  // Spy on console methods
+  const consoleLogSpy = vi.spyOn(console, 'log').mockImplementation(() => {});
+  const consoleErrorSpy = vi
+    .spyOn(console, 'error')
+    .mockImplementation(() => {});
+
+  beforeEach(() => {
+    // Clear all mocks before each test
+    vi.clearAllMocks();
+  });
+
+  afterEach(() => {
+    // Reset verbose mode after each test
+    logger.setVerbose(false);
+  });
+
+  describe('log levels', () => {
+    it('should log info messages', () => {
+      logger.info('Test info message');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('[INFO]');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Test info message');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('ℹ');
+    });
+
+    it('should log success messages', () => {
+      logger.success('Test success message');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('[SUCCESS]');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Test success message');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('✓');
+    });
+
+    it('should log warning messages', () => {
+      logger.warn('Test warning message');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('[WARN]');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Test warning message');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('⚠');
+    });
+
+    it('should log error messages', () => {
+      logger.error('Test error message');
+
+      expect(consoleErrorSpy).toHaveBeenCalledTimes(1);
+      expect(consoleErrorSpy.mock.calls[0][0]).toContain('[ERROR]');
+      expect(consoleErrorSpy.mock.calls[0][0]).toContain('Test error message');
+      expect(consoleErrorSpy.mock.calls[0][0]).toContain('✗');
+    });
+  });
+
+  describe('debug logging', () => {
+    it('should not log debug messages when verbose is false', () => {
+      logger.setVerbose(false);
+      logger.debug('Test debug message');
+
+      expect(consoleLogSpy).not.toHaveBeenCalled();
+    });
+
+    it('should log debug messages when verbose is true', () => {
+      logger.setVerbose(true);
+      logger.debug('Test debug message');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('[DEBUG]');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Test debug message');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('•');
+    });
+  });
+
+  describe('divider', () => {
+    it('should log a divider line', () => {
+      logger.divider();
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('='.repeat(80));
+    });
+  });
+
+  describe('progress', () => {
+    it('should display progress bar with percentage', () => {
+      logger.progress(50, 100, 'Processing items');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Processing items:');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('50/100');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('(50%)');
+      // Check for progress bar characters
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('[');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain(']');
+    });
+
+    it('should include action message when provided', () => {
+      logger.progress(25, 100, 'Processing items', 'Processing item 25');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Processing items:');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('25/100');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Processing item 25');
+    });
+
+    it('should handle 0% progress correctly', () => {
+      logger.progress(0, 100, 'Starting process');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Starting process:');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('0/100');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('(0%)');
+    });
+
+    it('should handle 100% progress correctly', () => {
+      logger.progress(100, 100, 'Completed process');
+
+      expect(consoleLogSpy).toHaveBeenCalledTimes(1);
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('Completed process:');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('100/100');
+      expect(consoleLogSpy.mock.calls[0][0]).toContain('(100%)');
+      // For 100%, the progress bar should be full
+      const progressBarPattern = /\[█{20}\]/;
+      expect(progressBarPattern.test(consoleLogSpy.mock.calls[0][0])).toBe(
+        true,
+      );
+    });
+  });
+});