src/app/sevices/security/authz/permission.directive.spec.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {Component} from '@angular/core';
import {TestBed} from '@angular/core/testing';
import {By} from '@angular/platform-browser';
import {PermissionDirective} from './permission.directive';
import {Store} from '@ngrx/store';
import {Observable} from 'rxjs/Observable';
import {FimsPermission} from './fims-permission.model';

describe('Test permission directive', () => {

  beforeEach(() => {
    TestBed.configureTestingModule({
      providers: [
        {
          provide: Store, useClass: class {
          select = function () {
          };
        }
        }
      ],
      declarations: [PermissionDirective, TestComponent]
    });
  });

  describe('Test permission directive with object parameter', () => {
    it('should add item to dom', () => {
      const store = TestBed.get(Store);

      spyOn(store, 'select').and.returnValue(Observable.of<FimsPermission[]>([
        {id: 'office_offices', accessLevel: 'READ'}
      ]));

      const fixture = TestBed.createComponent(TestComponent);
      fixture.detectChanges();

      const element = fixture.debugElement.query(By.css('button'));
      expect(element).not.toBeNull('Button should be existent within the dom');
    });

    it('should remove item from dom', () => {
      const store = TestBed.get(Store);
      spyOn(store, 'select').and.returnValue(Observable.of([]));

      const fixture = TestBed.createComponent(TestComponent);
      fixture.detectChanges();
      const element = fixture.debugElement.query(By.css('button'));
      expect(element).toBeNull('Button should be not existent within the dom');
    });
  });

});

@Component({
  template: `
    <button *hasPermission="{ id: 'office_offices', accessLevel: 'READ' }">randomTestValue</button>
  `
})
class TestComponent {
}