diff --git a/npm/ng-packs/packages/core/src/lib/tests/multi-tenancy-utils.spec.ts b/npm/ng-packs/packages/core/src/lib/tests/multi-tenancy-utils.spec.ts
new file mode 100644
index 0000000000..0784583704
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tests/multi-tenancy-utils.spec.ts
@@ -0,0 +1,117 @@
+import { Component, Injector } from '@angular/core';
+import { createComponentFactory, Spectator } from '@ngneat/spectator/jest';
+import { Store } from '@ngxs/store';
+import { MultiTenancyService } from '../services/multi-tenancy.service';
+import { parseTenantFromUrl, getCurrentTenancyNameOrNull } from '../utils';
+import * as multiTenancyUtils from '../utils/multi-tenancy-utils';
+import { of, Subject, BehaviorSubject } from 'rxjs';
+import { FindTenantResultDto } from '../models/find-tenant-result-dto';
+import clone from 'just-clone';
+
+const environment = {
+  production: false,
+  hmr: false,
+  application: {
+    baseUrl: 'https://{TENANCY_NAME}.volosoft.com',
+    name: 'MyProjectName',
+    logoUrl: '',
+  },
+  oAuthConfig: {
+    issuer: 'https://{TENANCY_NAME}.api.volosoft.com',
+    clientId: 'MyProjectName_App',
+    dummyClientSecret: '1q2w3e*',
+    scope: 'MyProjectName',
+    oidc: false,
+    requireHttps: true,
+  },
+  apis: {
+    default: {
+      url: 'https://{TENANCY_NAME}.api.volosoft.com',
+    },
+    abp: {
+      url: 'https://api.volosoft.com/{TENANCY_NAME}',
+    },
+  },
+};
+
+const setHref = url => {
+  global.window = Object.create(window);
+  delete window.location;
+  Object.defineProperty(window, 'location', {
+    value: {
+      href: url,
+    },
+  });
+};
+
+@Component({
+  selector: 'abp-dummy',
+  template: '',
+})
+export class DummyComponent {}
+
+describe('MultiTenancyUtils', () => {
+  let spectator: Spectator<DummyComponent>;
+  const createComponent = createComponentFactory({
+    component: DummyComponent,
+    mocks: [Store, MultiTenancyService],
+  });
+
+  beforeEach(() => (spectator = createComponent()));
+
+  describe('#getCurrentTenancyNameOrNull', () => {
+    test('should get tenancy name from href', async () => {
+      setHref('https://abp.volosoft.com/');
+      expect(getCurrentTenancyNameOrNull('https://{TENANCY_NAME}.volosoft.com')).toBe('abp');
+
+      setHref('https://volosoft.com/');
+      expect(getCurrentTenancyNameOrNull('https://{TENANCY_NAME}.com')).toBe('volosoft');
+
+      setHref('https://volosoft.com/abp/');
+      expect(getCurrentTenancyNameOrNull('https://volosoft.com/{TENANCY_NAME}')).toBe('abp');
+    });
+  });
+
+  describe('#parseTenantFromUrl', () => {
+    test('should get the tenancyName, set replaced environment and call the findTenantByName method of MultiTenancyService', async () => {
+      const injector = spectator.inject(Injector);
+      const injectorSpy = jest.spyOn(injector, 'get');
+      const store = spectator.inject(Store);
+      const selectSnapshotSpy = jest.spyOn(store, 'selectSnapshot');
+      const dispatchSpy = jest.spyOn(store, 'dispatch');
+      const multiTenancyService = spectator.inject(MultiTenancyService);
+      const findTenantByNameSpy = jest.spyOn(multiTenancyService, 'findTenantByName');
+
+      injectorSpy.mockReturnValueOnce(spectator.inject(Store));
+      injectorSpy.mockReturnValueOnce(multiTenancyService);
+      selectSnapshotSpy.mockReturnValue(clone(environment));
+
+      setHref('https://abp.volosoft.com/');
+
+      dispatchSpy.mockReturnValue(new BehaviorSubject(true));
+      findTenantByNameSpy.mockReturnValue(
+        new BehaviorSubject({ name: 'abp', tenantId: '1', success: true } as FindTenantResultDto),
+      );
+
+      parseTenantFromUrl(injector);
+
+      const replacedEnv = {
+        ...environment,
+        application: { ...environment.application, baseUrl: 'https://abp.volosoft.com' },
+        oAuthConfig: { ...environment.oAuthConfig, issuer: 'https://abp.api.volosoft.com' },
+        apis: {
+          default: {
+            url: 'https://abp.api.volosoft.com',
+          },
+          abp: {
+            url: 'https://api.volosoft.com/abp',
+          },
+        },
+      };
+
+      expect(dispatchSpy).toHaveBeenCalledWith({ environment: replacedEnv });
+      expect(findTenantByNameSpy).toHaveBeenCalledWith('abp', { __tenant: '' });
+      expect(multiTenancyService.domainTenant).toEqual({ id: '1', name: 'abp' });
+    });
+  });
+});