admin area

core/admin/domain/value-objects/UserId.test.ts

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+import { UserId } from './UserId';
+
+describe('UserId', () => {
+  describe('TDD - Test First', () => {
+    it('should create a valid user id from string', () => {
+      // Arrange & Act
+      const userId = UserId.fromString('user-123');
+
+      // Assert
+      expect(userId.value).toBe('user-123');
+    });
+
+    it('should trim whitespace', () => {
+      // Arrange & Act
+      const userId = UserId.fromString('  user-123  ');
+
+      // Assert
+      expect(userId.value).toBe('user-123');
+    });
+
+    it('should throw error for empty string', () => {
+      // Arrange & Act & Assert
+      expect(() => UserId.fromString('')).toThrow('User ID cannot be empty');
+      expect(() => UserId.fromString('   ')).toThrow('User ID cannot be empty');
+    });
+
+    it('should throw error for null or undefined', () => {
+      // Arrange & Act & Assert
+      expect(() => UserId.fromString(null as unknown as string)).toThrow('User ID cannot be empty');
+      expect(() => UserId.fromString(undefined as unknown as string)).toThrow('User ID cannot be empty');
+    });
+
+    it('should handle special characters', () => {
+      // Arrange & Act
+      const userId = UserId.fromString('user-123_test@example');
+
+      // Assert
+      expect(userId.value).toBe('user-123_test@example');
+    });
+
+    it('should support equals comparison', () => {
+      // Arrange
+      const userId1 = UserId.fromString('user-123');
+      const userId2 = UserId.fromString('user-123');
+      const userId3 = UserId.fromString('user-456');
+
+      // Assert
+      expect(userId1.equals(userId2)).toBe(true);
+      expect(userId1.equals(userId3)).toBe(false);
+    });
+
+    it('should support toString', () => {
+      // Arrange
+      const userId = UserId.fromString('user-123');
+
+      // Assert
+      expect(userId.toString()).toBe('user-123');
+    });
+
+    it('should handle very long IDs', () => {
+      // Arrange
+      const longId = 'a'.repeat(1000);
+
+      // Act
+      const userId = UserId.fromString(longId);
+
+      // Assert
+      expect(userId.value).toBe(longId);
+    });
+
+    it('should handle UUID format', () => {
+      // Arrange
+      const uuid = '550e8400-e29b-41d4-a716-446655440000';
+
+      // Act
+      const userId = UserId.fromString(uuid);
+
+      // Assert
+      expect(userId.value).toBe(uuid);
+    });
+
+    it('should handle numeric string IDs', () => {
+      // Arrange & Act
+      const userId = UserId.fromString('123456');
+
+      // Assert
+      expect(userId.value).toBe('123456');
+    });
+  });
+});