view data tests

core/media/domain/value-objects/AvatarId.test.ts

@@ -1,7 +1,83 @@
-import * as mod from '@core/media/domain/value-objects/AvatarId';
+import { AvatarId } from './AvatarId';
 
-describe('media/domain/value-objects/AvatarId.ts', () => {
-  it('imports', () => {
-    expect(mod).toBeTruthy();
+describe('AvatarId', () => {
+  describe('create', () => {
+    it('creates from valid string', () => {
+      const avatarId = AvatarId.create('avatar-123');
+
+      expect(avatarId.toString()).toBe('avatar-123');
+    });
+
+    it('trims whitespace', () => {
+      const avatarId = AvatarId.create('  avatar-123  ');
+
+      expect(avatarId.toString()).toBe('avatar-123');
+    });
+
+    it('throws error when empty', () => {
+      expect(() => AvatarId.create('')).toThrow('Avatar ID cannot be empty');
+    });
+
+    it('throws error when only whitespace', () => {
+      expect(() => AvatarId.create('   ')).toThrow('Avatar ID cannot be empty');
+    });
+
+    it('throws error when null', () => {
+      expect(() => AvatarId.create(null as any)).toThrow('Avatar ID cannot be empty');
+    });
+
+    it('throws error when undefined', () => {
+      expect(() => AvatarId.create(undefined as any)).toThrow('Avatar ID cannot be empty');
+    });
+  });
+
+  describe('toString', () => {
+    it('returns the string value', () => {
+      const avatarId = AvatarId.create('avatar-123');
+
+      expect(avatarId.toString()).toBe('avatar-123');
+    });
+  });
+
+  describe('equals', () => {
+    it('returns true for equal avatar IDs', () => {
+      const avatarId1 = AvatarId.create('avatar-123');
+      const avatarId2 = AvatarId.create('avatar-123');
+
+      expect(avatarId1.equals(avatarId2)).toBe(true);
+    });
+
+    it('returns false for different avatar IDs', () => {
+      const avatarId1 = AvatarId.create('avatar-123');
+      const avatarId2 = AvatarId.create('avatar-456');
+
+      expect(avatarId1.equals(avatarId2)).toBe(false);
+    });
+
+    it('returns false for different case', () => {
+      const avatarId1 = AvatarId.create('avatar-123');
+      const avatarId2 = AvatarId.create('AVATAR-123');
+
+      expect(avatarId1.equals(avatarId2)).toBe(false);
+    });
+  });
+
+  describe('value object equality', () => {
+    it('implements value-based equality', () => {
+      const avatarId1 = AvatarId.create('avatar-123');
+      const avatarId2 = AvatarId.create('avatar-123');
+      const avatarId3 = AvatarId.create('avatar-456');
+
+      expect(avatarId1.equals(avatarId2)).toBe(true);
+      expect(avatarId1.equals(avatarId3)).toBe(false);
+    });
+
+    it('maintains equality after toString', () => {
+      const avatarId1 = AvatarId.create('avatar-123');
+      const avatarId2 = AvatarId.create('avatar-123');
+
+      expect(avatarId1.toString()).toBe(avatarId2.toString());
+      expect(avatarId1.equals(avatarId2)).toBe(true);
+    });
   });
 });