admin area

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

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+import { UserRole } from './UserRole';
+
+describe('UserRole', () => {
+  describe('TDD - Test First', () => {
+    it('should create a valid role from string', () => {
+      // Arrange & Act
+      const role = UserRole.fromString('owner');
+
+      // Assert
+      expect(role.value).toBe('owner');
+    });
+
+    it('should trim whitespace', () => {
+      // Arrange & Act
+      const role = UserRole.fromString('  admin  ');
+
+      // Assert
+      expect(role.value).toBe('admin');
+    });
+
+    it('should throw error for empty string', () => {
+      // Arrange & Act & Assert
+      expect(() => UserRole.fromString('')).toThrow('Role cannot be empty');
+      expect(() => UserRole.fromString('   ')).toThrow('Role cannot be empty');
+    });
+
+    it('should throw error for null or undefined', () => {
+      // Arrange & Act & Assert
+      expect(() => UserRole.fromString(null as unknown as string)).toThrow('Role cannot be empty');
+      expect(() => UserRole.fromString(undefined as unknown as string)).toThrow('Role cannot be empty');
+    });
+
+    it('should handle all valid roles', () => {
+      // Arrange & Act
+      const owner = UserRole.fromString('owner');
+      const admin = UserRole.fromString('admin');
+      const user = UserRole.fromString('user');
+
+      // Assert
+      expect(owner.value).toBe('owner');
+      expect(admin.value).toBe('admin');
+      expect(user.value).toBe('user');
+    });
+
+    it('should detect system admin roles', () => {
+      // Arrange
+      const owner = UserRole.fromString('owner');
+      const admin = UserRole.fromString('admin');
+      const user = UserRole.fromString('user');
+
+      // Assert
+      expect(owner.isSystemAdmin()).toBe(true);
+      expect(admin.isSystemAdmin()).toBe(true);
+      expect(user.isSystemAdmin()).toBe(false);
+    });
+
+    it('should support equals comparison', () => {
+      // Arrange
+      const role1 = UserRole.fromString('owner');
+      const role2 = UserRole.fromString('owner');
+      const role3 = UserRole.fromString('admin');
+
+      // Assert
+      expect(role1.equals(role2)).toBe(true);
+      expect(role1.equals(role3)).toBe(false);
+    });
+
+    it('should support toString', () => {
+      // Arrange
+      const role = UserRole.fromString('owner');
+
+      // Assert
+      expect(role.toString()).toBe('owner');
+    });
+
+    it('should handle custom roles', () => {
+      // Arrange & Act
+      const customRole = UserRole.fromString('steward');
+
+      // Assert
+      expect(customRole.value).toBe('steward');
+      expect(customRole.isSystemAdmin()).toBe(false);
+    });
+
+    it('should handle case sensitivity', () => {
+      // Arrange & Act
+      const role1 = UserRole.fromString('Owner');
+      const role2 = UserRole.fromString('owner');
+
+      // Assert - Should preserve case but compare as-is
+      expect(role1.value).toBe('Owner');
+      expect(role2.value).toBe('owner');
+    });
+
+    it('should handle special characters in role names', () => {
+      // Arrange & Act
+      const role = UserRole.fromString('admin-steward');
+
+      // Assert
+      expect(role.value).toBe('admin-steward');
+    });
+  });
+});