add ui store tests

src/stores/__tests__/UIStore.test.ts

@@ -0,0 +1,55 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { UIStore } from '../UIStore';
+
+describe('UIStore', () => {
+  let uiStore;
+
+  beforeEach(() => {
+    // Create a new instance of the store before each test
+    uiStore = UIStore.create();
+  });
+
+  describe('Initial state', () => {
+    it('should have input set to empty string initially', () => {
+      expect(uiStore.input).toBe('');
+    });
+
+    it('should have isLoading set to false initially', () => {
+      expect(uiStore.isLoading).toBe(false);
+    });
+  });
+
+  describe('setInput', () => {
+    it('should update the input value', () => {
+      uiStore.setInput('Hello, world!');
+      expect(uiStore.input).toBe('Hello, world!');
+    });
+
+    it('should handle empty string', () => {
+      // First set to non-empty
+      uiStore.setInput('Hello');
+      expect(uiStore.input).toBe('Hello');
+      
+      // Then set to empty
+      uiStore.setInput('');
+      expect(uiStore.input).toBe('');
+    });
+  });
+
+  describe('setIsLoading', () => {
+    it('should update the isLoading value to true', () => {
+      uiStore.setIsLoading(true);
+      expect(uiStore.isLoading).toBe(true);
+    });
+
+    it('should update the isLoading value to false', () => {
+      // First set to true
+      uiStore.setIsLoading(true);
+      expect(uiStore.isLoading).toBe(true);
+      
+      // Then set to false
+      uiStore.setIsLoading(false);
+      expect(uiStore.isLoading).toBe(false);
+    });
+  });
+});