From cbe5e578fae4f590516402d573283e00bce6962d Mon Sep 17 00:00:00 2001
From: erdemcaygor <erdem.caygor@gmail.com>
Date: Thu, 29 Jan 2026 15:57:29 +0300
Subject: [PATCH] tests added

---
 .../lib/tests/ui-localization.service.spec.ts | 160 ++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 npm/ng-packs/packages/core/src/lib/tests/ui-localization.service.spec.ts

diff --git a/npm/ng-packs/packages/core/src/lib/tests/ui-localization.service.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/ui-localization.service.spec.ts
new file mode 100644
index 0000000000..abb15217c1
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tests/ui-localization.service.spec.ts
@@ -0,0 +1,160 @@
+import { createServiceFactory, SpectatorService } from '@ngneat/spectator/vitest';
+import { of, Subject, throwError } from 'rxjs';
+import { HttpClient } from '@angular/common/http';
+import { UILocalizationService } from '../services/ui-localization.service';
+import { LocalizationService } from '../services/localization.service';
+import { SessionStateService } from '../services/session-state.service';
+import { CORE_OPTIONS } from '../tokens/options.token';
+
+describe('UILocalizationService', () => {
+  let spectator: SpectatorService<UILocalizationService>;
+  let service: UILocalizationService;
+  let language$: Subject<string>;
+  let httpGet: ReturnType<typeof vi.fn>;
+  let addLocalizationSpy: ReturnType<typeof vi.fn>;
+
+  const createService = createServiceFactory({
+    service: UILocalizationService,
+    mocks: [HttpClient, LocalizationService],
+    providers: [
+      {
+        provide: SessionStateService,
+        useFactory: () => {
+          let currentLanguage = 'en';
+          language$ = new Subject<string>();
+          language$.subscribe(lang => {
+            currentLanguage = lang;
+          });
+          return {
+            getLanguage: vi.fn(() => currentLanguage),
+            getLanguage$: vi.fn(() => language$.asObservable()),
+          };
+        },
+      },
+      {
+        provide: CORE_OPTIONS,
+        useValue: {
+          uiLocalization: {
+            enabled: true,
+            basePath: '/assets/localization',
+          },
+        },
+      },
+    ],
+  });
+
+  beforeEach(() => {
+    spectator = createService();
+    service = spectator.service;
+    const http = spectator.inject(HttpClient);
+    const localizationService = spectator.inject(LocalizationService);
+    httpGet = vi.fn();
+    (http as any).get = httpGet;
+    addLocalizationSpy = vi.fn();
+    (localizationService as any).addLocalization = addLocalizationSpy;
+  });
+
+  describe('when uiLocalization is enabled', () => {
+    it('should load localization file when language changes', () => {
+      const uiData = { MyApp: { Welcome: 'Welcome from UI' } };
+      httpGet.mockReturnValue(of(uiData));
+
+      language$.next('en');
+
+      expect(httpGet).toHaveBeenCalledWith('/assets/localization/en.json');
+      expect(addLocalizationSpy).toHaveBeenCalledWith([
+        {
+          culture: 'en',
+          resources: [{ resourceName: 'MyApp', texts: { Welcome: 'Welcome from UI' } }],
+        },
+      ]);
+    });
+
+    it('should use default basePath when not provided', () => {
+      expect(httpGet).not.toHaveBeenCalled();
+      httpGet.mockReturnValue(of({}));
+      language$.next('en');
+      expect(httpGet).toHaveBeenCalledWith('/assets/localization/en.json');
+    });
+
+    it('should not call addLocalization when file is missing (HTTP error)', () => {
+      httpGet.mockReturnValue(throwError(() => new Error('404')));
+
+      language$.next('fr');
+
+      expect(httpGet).toHaveBeenCalledWith('/assets/localization/fr.json');
+      expect(addLocalizationSpy).not.toHaveBeenCalled();
+    });
+
+    it('should cache loaded data in getLoadedLocalizations', () => {
+      const uiData = { AbpAccount: { Login: 'Sign In (UI)' } };
+      httpGet.mockReturnValue(of(uiData));
+
+      language$.next('en');
+
+      const loaded = service.getLoadedLocalizations('en');
+      expect(loaded).toEqual(uiData);
+    });
+
+    it('should load again when language changes to another culture', () => {
+      httpGet.mockReturnValue(of({}));
+      language$.next('en');
+      expect(httpGet).toHaveBeenCalledTimes(1);
+
+      httpGet.mockClear();
+      httpGet.mockReturnValue(of({ MyApp: { Title: 'Titre' } }));
+      language$.next('fr');
+
+      expect(httpGet).toHaveBeenCalledWith('/assets/localization/fr.json');
+      expect(addLocalizationSpy).toHaveBeenCalledWith([
+        {
+          culture: 'fr',
+          resources: [{ resourceName: 'MyApp', texts: { Title: 'Titre' } }],
+        },
+      ]);
+    });
+  });
+
+  describe('addAngularLocalizeLocalization', () => {
+    it('should add localization via LocalizationService (UI data in merge pipeline)', () => {
+      service.addAngularLocalizeLocalization('en', 'MyApp', {
+        CustomKey: 'UI Override',
+      });
+
+      expect(addLocalizationSpy).toHaveBeenCalledWith([
+        {
+          culture: 'en',
+          resources: [
+            {
+              resourceName: 'MyApp',
+              texts: { CustomKey: 'UI Override' },
+            },
+          ],
+        },
+      ]);
+    });
+
+    it('should merge into getLoadedLocalizations cache', () => {
+      service.addAngularLocalizeLocalization('en', 'MyApp', { Key1: 'Val1' });
+      service.addAngularLocalizeLocalization('en', 'MyApp', { Key2: 'Val2' });
+
+      const loaded = service.getLoadedLocalizations('en');
+      expect(loaded.MyApp).toEqual({ Key1: 'Val1', Key2: 'Val2' });
+    });
+  });
+
+  describe('getLoadedLocalizations', () => {
+    it('should return empty object when no culture loaded', () => {
+      expect(service.getLoadedLocalizations('de')).toEqual({});
+    });
+
+    it('should return current language when culture not passed', () => {
+      const uiData = { R: { K: 'V' } };
+      httpGet.mockReturnValue(of(uiData));
+      language$.next('tr');
+
+      const loaded = service.getLoadedLocalizations();
+      expect(loaded).toEqual(uiData);
+    });
+  });
+});