Added tests

src/app/core/auth/auth-response-parsing.service.spec.ts

@@ -0,0 +1,117 @@
+import { AuthStatusResponse } from '../cache/response-cache.models';
+
+import { ObjectCacheService } from '../cache/object-cache.service';
+import { GlobalConfig } from '../../../config/global-config.interface';
+
+import { Store } from '@ngrx/store';
+import { CoreState } from '../core.reducers';
+import { AuthStatus } from './models/auth-status.model';
+import { AuthResponseParsingService } from './auth-response-parsing.service';
+import { AuthGetRequest, AuthPostRequest } from '../data/request.models';
+
+describe('ConfigResponseParsingService', () => {
+  let service: AuthResponseParsingService;
+
+  const EnvConfig = {} as GlobalConfig;
+  const store = {} as Store<CoreState>;
+  const objectCacheService = new ObjectCacheService(store);
+
+  beforeEach(() => {
+    service = new AuthResponseParsingService(EnvConfig, objectCacheService);
+  });
+
+  describe('parse', () => {
+    const validRequest = new AuthPostRequest(
+      '69f375b5-19f4-4453-8c7a-7dc5c55aafbb',
+      'https://rest.api/dspace-spring-rest/api/authn/login',
+      'password=test&user=myself@testshib.org');
+
+    const validRequest2 = new AuthGetRequest(
+      '69f375b5-19f4-4453-8c7a-7dc5c55aafbb',
+      'https://rest.api/dspace-spring-rest/api/authn/status');
+
+    const validResponse = {
+      payload: {
+        authenticated: true,
+        id: null,
+        okay: true,
+        token: {
+          accessToken: 'eyJhbGciOiJIUzI1NiJ9.eyJlaWQiOiI0ZGM3MGFiNS1jZDczLTQ5MmYtYjAwNy0zMTc5ZDJkOTI5NmIiLCJzZyI6W10sImV4cCI6MTUyNjMxODMyMn0.ASmvcbJFBfzhN7D5ncloWnaVZr5dLtgTuOgHaCKiimc',
+          expires: 1526318322000
+        },
+      } as AuthStatus,
+      statusCode: '200'
+    };
+
+    const validResponse1 = {
+      payload: {},
+      statusCode: '404'
+    };
+
+    const validResponse2 = {
+      payload: {
+        authenticated: true,
+        id: null,
+        okay: true,
+        type: 'status',
+        _embedded: {
+          eperson: {
+            canLogIn: true,
+            email: 'myself@testshib.org',
+            groups: [],
+            handle: null,
+            id: '4dc70ab5-cd73-492f-b007-3179d2d9296b',
+            lastActive: '2018-05-14T17:03:31.277+0000',
+            metadata: [
+              {
+                key: 'eperson.firstname',
+                language: null,
+                value: 'User'
+              },
+              {
+                key: 'eperson.lastname',
+                language: null,
+                value: 'Test'
+              },
+              {
+                key: 'eperson.language',
+                language: null,
+                value: 'en'
+              }
+            ],
+            name: 'User Test',
+            netid: 'myself@testshib.org',
+            requireCertificate: false,
+            selfRegistered: false,
+            type: 'eperson',
+            uuid: '4dc70ab5-cd73-492f-b007-3179d2d9296b',
+            _links: {
+              self: 'https://hasselt-dspace.dev01.4science.it/dspace-spring-rest/api/eperson/epersons/4dc70ab5-cd73-492f-b007-3179d2d9296b'
+            }
+          }
+        },
+        _links: {
+          eperson: 'https://hasselt-dspace.dev01.4science.it/dspace-spring-rest/api/eperson/epersons/4dc70ab5-cd73-492f-b007-3179d2d9296b',
+          self: 'https://hasselt-dspace.dev01.4science.it/dspace-spring-rest/api/authn/status'
+        }
+      },
+      statusCode: '200'
+    };
+
+    it('should return a AuthStatusResponse if data contains a valid AuthStatus object as payload', () => {
+      const response = service.parse(validRequest, validResponse);
+      expect(response.constructor).toBe(AuthStatusResponse);
+    });
+
+    it('should return a AuthStatusResponse if data contains a valid endpoint response', () => {
+      const response = service.parse(validRequest2, validResponse2);
+      expect(response.constructor).toBe(AuthStatusResponse);
+    });
+
+    it('should return a AuthStatusResponse if data contains an empty 404 endpoint response', () => {
+      const response = service.parse(validRequest, validResponse1);
+      expect(response.constructor).toBe(AuthStatusResponse);
+    });
+
+  });
+});

src/app/core/auth/auth.reducer.spec.ts

@@ -12,14 +12,15 @@ import {
   LogOutAction,
   LogOutErrorAction,
   LogOutSuccessAction,
-  RedirectWhenAuthenticationIsRequiredAction, RedirectWhenTokenExpiredAction,
+  RedirectWhenAuthenticationIsRequiredAction,
+  RedirectWhenTokenExpiredAction,
   RefreshTokenAction,
   RefreshTokenErrorAction,
-  RefreshTokenSuccessAction, ResetAuthenticationMessagesAction, SetRedirectUrlAction
+  RefreshTokenSuccessAction,
+  ResetAuthenticationMessagesAction,
+  SetRedirectUrlAction
 } from './auth.actions';
 import { AuthTokenInfo } from './models/auth-token-info.model';
-import { Eperson } from '../eperson/models/eperson.model';
-import { Group } from '../eperson/models/group.model';
 import { EpersonMock } from '../../shared/testing/eperson-mock';
 
 describe('authReducer', () => {

src/app/shared/auth-nav-menu/auth-nav-menu.component.html

@@ -8,7 +8,7 @@
     </div>
   </li>
   <li *ngIf="!(isAuthenticated | async) && (windowService.isMobileView() | async)" class="nav-item">
-    <a class="nav-link" routerLink="/login" routerLinkActive="active"><i class="fa fa-sign-in fa-fw" aria-hidden="true"></i> {{ 'nav.login' | translate }}<span class="sr-only">(current)</span></a>
+    <a id="loginLink" class="nav-link" routerLink="/login" routerLinkActive="active"><i class="fa fa-sign-in fa-fw" aria-hidden="true"></i> {{ 'nav.login' | translate }}<span class="sr-only">(current)</span></a>
   </li>
   <li *ngIf="(isAuthenticated | async) && !(windowService.isMobileView() | async) && (showAuth | async)" class="nav-item">
     <div ngbDropdown placement="bottom-right" class="d-inline-block" [ngClass]="{'float-right': !(windowService.isMobileView() | async)}" @fadeInOut>
@@ -19,7 +19,7 @@
     </div>
   </li>
   <li *ngIf="(isAuthenticated | async) && (windowService.isMobileView() | async)" class="nav-item">
-    <a class="nav-link" routerLink="/logout" routerLinkActive="active"><i class="fa fa-sign-out fa-fw" aria-hidden="true"></i> {{ 'nav.logout' | translate }}<span class="sr-only">(current)</span></a>
+    <a id="logoutLink" class="nav-link" routerLink="/logout" routerLinkActive="active"><i class="fa fa-sign-out fa-fw" aria-hidden="true"></i> {{ 'nav.logout' | translate }}<span class="sr-only">(current)</span></a>
   </li>
 </ul>
 

src/app/shared/auth-nav-menu/auth-nav-menu.component.spec.ts

@@ -0,0 +1,297 @@
+import { CUSTOM_ELEMENTS_SCHEMA, DebugElement } from '@angular/core';
+import { async, ComponentFixture, inject, TestBed } from '@angular/core/testing';
+
+import { By } from '@angular/platform-browser';
+import { Store, StoreModule } from '@ngrx/store';
+
+import { authReducer, AuthState } from '../../core/auth/auth.reducers';
+import { EpersonMock } from '../testing/eperson-mock';
+import { TranslateModule } from '@ngx-translate/core';
+import { AppState } from '../../app.reducer';
+import { AuthNavMenuComponent } from './auth-nav-menu.component';
+import { HostWindowServiceStub } from '../testing/host-window-service-stub';
+import { HostWindowService } from '../host-window.service';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AuthTokenInfo } from '../../core/auth/models/auth-token-info.model';
+
+describe('AuthNavMenuComponent', () => {
+
+  let component: AuthNavMenuComponent;
+  let deNavMenu: DebugElement;
+  let deNavMenuItem: DebugElement;
+  let fixture: ComponentFixture<AuthNavMenuComponent>;
+
+  const notAuthState: AuthState = {
+    authenticated: false,
+    loaded: false,
+    loading: false
+  };
+  const authState: AuthState = {
+    authenticated: true,
+    loaded: true,
+    loading: false,
+    authToken: new AuthTokenInfo('test_token'),
+    user: EpersonMock
+  };
+  let routerState = {
+    url: '/home'
+  };
+
+  describe('when is a not mobile view', () => {
+    beforeEach(async(() => {
+      const window = new HostWindowServiceStub(800);
+
+      // refine the test module by declaring the test component
+      TestBed.configureTestingModule({
+        imports: [
+          NoopAnimationsModule,
+          StoreModule.forRoot(authReducer),
+          TranslateModule.forRoot()
+        ],
+        declarations: [
+          AuthNavMenuComponent
+        ],
+        providers: [
+          {provide: HostWindowService, useValue: window},
+        ],
+        schemas: [
+          CUSTOM_ELEMENTS_SCHEMA
+        ]
+      })
+        .compileComponents();
+
+    }));
+
+    describe('when route is /login and user is not authenticated', () => {
+      routerState = {
+        url: '/login'
+      };
+      beforeEach(inject([Store], (store: Store<AppState>) => {
+        store
+          .subscribe((state) => {
+            (state as any).router = Object.create({});
+            (state as any).router.state = routerState;
+            (state as any).core = Object.create({});
+            (state as any).core.auth = notAuthState;
+          });
+
+        // create component and test fixture
+        fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+        // get test component from the fixture
+        component = fixture.componentInstance;
+
+        fixture.detectChanges();
+
+        const navMenuSelector = '.navbar-nav';
+        deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+        const navMenuItemSelector = 'li';
+        deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+      }));
+
+      it('should not render', () => {
+        expect(component).toBeTruthy();
+        expect(deNavMenu.nativeElement).toBeDefined();
+        expect(deNavMenuItem).toBeNull();
+      });
+
+    });
+
+    describe('when route is /logout and user is authenticated', () => {
+      routerState = {
+        url: '/logout'
+      };
+      beforeEach(inject([Store], (store: Store<AppState>) => {
+        store
+          .subscribe((state) => {
+            (state as any).router = Object.create({});
+            (state as any).router.state = routerState;
+            (state as any).core = Object.create({});
+            (state as any).core.auth = authState;
+          });
+
+        // create component and test fixture
+        fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+        // get test component from the fixture
+        component = fixture.componentInstance;
+
+        fixture.detectChanges();
+
+        const navMenuSelector = '.navbar-nav';
+        deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+        const navMenuItemSelector = 'li';
+        deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+      }));
+
+      it('should not render', () => {
+        expect(component).toBeTruthy();
+        expect(deNavMenu.nativeElement).toBeDefined();
+        expect(deNavMenuItem).toBeNull();
+      });
+
+    });
+
+    describe('when route is not /login neither /logout', () => {
+      describe('when user is not authenticated', () => {
+
+        beforeEach(inject([Store], (store: Store<AppState>) => {
+          routerState = {
+            url: '/home'
+          };
+          store
+            .subscribe((state) => {
+              (state as any).router = Object.create({});
+              (state as any).router.state = routerState;
+              (state as any).core = Object.create({});
+              (state as any).core.auth = notAuthState;
+            });
+
+          // create component and test fixture
+          fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+          // get test component from the fixture
+          component = fixture.componentInstance;
+
+          fixture.detectChanges();
+
+          const navMenuSelector = '.navbar-nav';
+          deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+          const navMenuItemSelector = 'li';
+          deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+        }));
+
+        it('should render login dropdown menu', () => {
+          const loginDropdownMenu = deNavMenuItem.query(By.css('div[id=loginDropdownMenu]'));
+          expect(loginDropdownMenu.nativeElement).toBeDefined();
+        });
+      });
+
+      describe('when user is authenticated', () => {
+        beforeEach(inject([Store], (store: Store<AppState>) => {
+          routerState = {
+            url: '/home'
+          };
+          store
+            .subscribe((state) => {
+              (state as any).router = Object.create({});
+              (state as any).router.state = routerState;
+              (state as any).core = Object.create({});
+              (state as any).core.auth = authState;
+            });
+
+          // create component and test fixture
+          fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+          // get test component from the fixture
+          component = fixture.componentInstance;
+
+          fixture.detectChanges();
+
+          const navMenuSelector = '.navbar-nav';
+          deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+          const navMenuItemSelector = 'li';
+          deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+        }));
+
+        it('should render logout dropdown menu', () => {
+          const logoutDropdownMenu = deNavMenuItem.query(By.css('div[id=logoutDropdownMenu]'));
+          expect(logoutDropdownMenu.nativeElement).toBeDefined();
+        });
+      })
+    })
+  });
+
+  describe('when is a mobile view', () => {
+    beforeEach(async(() => {
+      const window = new HostWindowServiceStub(300);
+
+      // refine the test module by declaring the test component
+      TestBed.configureTestingModule({
+        imports: [
+          NoopAnimationsModule,
+          StoreModule.forRoot(authReducer),
+          TranslateModule.forRoot()
+        ],
+        declarations: [
+          AuthNavMenuComponent
+        ],
+        providers: [
+          {provide: HostWindowService, useValue: window},
+        ],
+        schemas: [
+          CUSTOM_ELEMENTS_SCHEMA
+        ]
+      })
+        .compileComponents();
+
+    }));
+
+    describe('when user is not authenticated', () => {
+
+      beforeEach(inject([Store], (store: Store<AppState>) => {
+        store
+          .subscribe((state) => {
+            (state as any).router = Object.create({});
+            (state as any).router.state = routerState;
+            (state as any).core = Object.create({});
+            (state as any).core.auth = notAuthState;
+          });
+
+        // create component and test fixture
+        fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+        // get test component from the fixture
+        component = fixture.componentInstance;
+
+        fixture.detectChanges();
+
+        const navMenuSelector = '.navbar-nav';
+        deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+        const navMenuItemSelector = 'li';
+        deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+      }));
+
+      it('should render login link', () => {
+        const loginDropdownMenu = deNavMenuItem.query(By.css('a[id=loginLink]'));
+        expect(loginDropdownMenu.nativeElement).toBeDefined();
+      });
+    });
+
+    describe('when user is authenticated', () => {
+      beforeEach(inject([Store], (store: Store<AppState>) => {
+        store
+          .subscribe((state) => {
+            (state as any).router = Object.create({});
+            (state as any).router.state = routerState;
+            (state as any).core = Object.create({});
+            (state as any).core.auth = authState;
+          });
+
+        // create component and test fixture
+        fixture = TestBed.createComponent(AuthNavMenuComponent);
+
+        // get test component from the fixture
+        component = fixture.componentInstance;
+
+        fixture.detectChanges();
+
+        const navMenuSelector = '.navbar-nav';
+        deNavMenu = fixture.debugElement.query(By.css(navMenuSelector));
+
+        const navMenuItemSelector = 'li';
+        deNavMenuItem = deNavMenu.query(By.css(navMenuItemSelector));
+      }));
+
+      it('should render logout link', inject([Store], (store: Store<AppState>) => {
+        const logoutDropdownMenu = deNavMenuItem.query(By.css('a[id=logoutLink]'));
+        expect(logoutDropdownMenu.nativeElement).toBeDefined();
+      }));
+    })
+  })
+});

src/app/shared/log-in/log-in.component.spec.ts

@@ -1,33 +1,34 @@
-/* tslint:disable:no-unused-variable */
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
-/*import { CUSTOM_ELEMENTS_SCHEMA, DebugElement } from '@angular/core';
+import { async, ComponentFixture, inject, TestBed } from '@angular/core/testing';
-import { ComponentFixture, TestBed, async } from '@angular/core/testing';
+import { FormGroup, FormsModule, ReactiveFormsModule } from '@angular/forms';
-import { FormBuilder, FormGroup, FormsModule, ReactiveFormsModule } from '@angular/forms';
+
-import { MaterialModule } from '@angular/material';
 import { By } from '@angular/platform-browser';
 import { Store, StoreModule } from '@ngrx/store';
-import { go } from '@ngrx/router-store';
 
-// reducers
-import { reducer } from '../../app.reducers';
-
-// models
-import { User } from '../../core/models/user';
-
-// services
-import { MOCK_USER } from '../../core/services/user.service';
-
-// this component to test
 import { LogInComponent } from './log-in.component';
+import { authReducer } from '../../core/auth/auth.reducers';
+import { EpersonMock } from '../testing/eperson-mock';
+import { Eperson } from '../../core/eperson/models/eperson.model';
+import { TranslateModule } from '@ngx-translate/core';
+import { AuthService } from '../../core/auth/auth.service';
+import { AuthServiceStub } from '../testing/auth-service-stub';
+import { AppState } from '../../app.reducer';
 
 describe('LogInComponent', () => {
 
   let component: LogInComponent;
   let fixture: ComponentFixture<LogInComponent>;
   let page: Page;
-  let user: User = new User();
+  let user: Eperson;
+
+  const authState = {
+    authenticated: false,
+    loaded: false,
+    loading: false,
+  };
 
   beforeEach(() => {
-    user = MOCK_USER;
+    user = EpersonMock;
   });
 
   beforeEach(async(() => {
@@ -35,27 +36,37 @@ describe('LogInComponent', () => {
     TestBed.configureTestingModule({
       imports: [
         FormsModule,
-        MaterialModule,
         ReactiveFormsModule,
-        StoreModule.provideStore(reducer)
+        StoreModule.forRoot(authReducer),
+        TranslateModule.forRoot()
       ],
       declarations: [
         LogInComponent
       ],
+      providers: [
+        {provide: AuthService, useClass: AuthServiceStub}
+      ],
       schemas: [
         CUSTOM_ELEMENTS_SCHEMA
       ]
     })
       .compileComponents();
 
+  }));
+
+  beforeEach(inject([Store], (store: Store<AppState>) => {
+    store
+      .subscribe((state) => {
+        (state as any).core = Object.create({});
+        (state as any).core.auth = authState;
+      });
+
     // create component and test fixture
     fixture = TestBed.createComponent(LogInComponent);
 
     // get test component from the fixture
     component = fixture.componentInstance;
-  }));
 
-  beforeEach(() => {
     // create page
     page = new Page(component, fixture);
 
@@ -63,7 +74,8 @@ describe('LogInComponent', () => {
     fixture.whenStable().then(() => {
       page.addPageElements();
     });
-  });
+
+  }));
 
   it('should create a FormGroup comprised of FormControls', () => {
     fixture.detectChanges();
@@ -74,8 +86,8 @@ describe('LogInComponent', () => {
     fixture.detectChanges();
 
     // set FormControl values
-    component.form.controls['email'].setValue(user.email);
+    component.form.controls.email.setValue('user');
-    component.form.controls['password'].setValue(user.password);
+    component.form.controls.password.setValue('password');
 
     // submit form
     component.submit();
@@ -90,7 +102,6 @@ describe('LogInComponent', () => {
  *
  * @class Page
  */
-/*
 class Page {
 
   public emailInput: HTMLInputElement;
@@ -108,11 +119,9 @@ class Page {
 
   public addPageElements() {
     const emailInputSelector = 'input[formcontrolname=\'email\']';
-    // console.log(this.fixture.debugElement.query(By.css(emailInputSelector)));
     this.emailInput = this.fixture.debugElement.query(By.css(emailInputSelector)).nativeElement;
 
     const passwordInputSelector = 'input[formcontrolname=\'password\']';
     this.passwordInput = this.fixture.debugElement.query(By.css(passwordInputSelector)).nativeElement;
   }
 }
-*/

src/app/shared/log-out/log-out.component.spec.ts

@@ -1,30 +1,50 @@
-/* tslint:disable:no-unused-variable */
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
-/*import { DebugElement, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { async, ComponentFixture, inject, TestBed } from '@angular/core/testing';
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
-import { By } from '@angular/platform-browser';
-import { Router } from '@angular/router';
 
-// import ngrx
 import { Store, StoreModule } from '@ngrx/store';
 
-// reducers
+import { authReducer } from '../../core/auth/auth.reducers';
-import { reducer } from '../../app.reducers';
+import { EpersonMock } from '../testing/eperson-mock';
+import { Eperson } from '../../core/eperson/models/eperson.model';
+import { TranslateModule } from '@ngx-translate/core';
+import { Router } from '@angular/router';
+import { AppState } from '../../app.reducer';
+import { LogOutComponent } from './log-out.component';
+import { RouterStub } from '../testing/router-stub';
 
-// test this component
+describe('LogOutComponent', () => {
-import { SignOutComponent } from './log-out.component';
 
-describe('Component: Signout', () => {
+  let component: LogOutComponent;
-  let component: SignOutComponent;
+  let fixture: ComponentFixture<LogOutComponent>;
-  let fixture: ComponentFixture<SignOutComponent>;
+  let page: Page;
+  let user: Eperson;
+
+  const authState = {
+    authenticated: false,
+    loaded: false,
+    loading: false,
+  };
+  const routerStub = new RouterStub();
+
+  beforeEach(() => {
+    user = EpersonMock;
+  });
 
   beforeEach(async(() => {
     // refine the test module by declaring the test component
     TestBed.configureTestingModule({
       imports: [
-        StoreModule.provideStore(reducer)
+        FormsModule,
+        ReactiveFormsModule,
+        StoreModule.forRoot(authReducer),
+        TranslateModule.forRoot()
       ],
       declarations: [
-        SignOutComponent
+        LogOutComponent
+      ],
+      providers: [
+        {provide: Router, useValue: routerStub},
       ],
       schemas: [
         CUSTOM_ELEMENTS_SCHEMA
@@ -32,15 +52,57 @@ describe('Component: Signout', () => {
     })
       .compileComponents();
 
+  }));
+
+  beforeEach(inject([Store], (store: Store<AppState>) => {
+    store
+      .subscribe((state) => {
+        (state as any).core = Object.create({});
+        (state as any).core.auth = authState;
+      });
+
     // create component and test fixture
-    fixture = TestBed.createComponent(SignOutComponent);
+    fixture = TestBed.createComponent(LogOutComponent);
 
     // get test component from the fixture
     component = fixture.componentInstance;
+
+    // create page
+    page = new Page(component, fixture);
+
   }));
 
   it('should create an instance', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should log out', () => {
+    fixture.detectChanges();
+
+    // submit form
+    component.logOut();
+
+    // verify Store.dispatch() is invoked
+    expect(page.navigateSpy.calls.any()).toBe(true, 'Store.dispatch not invoked');
   });
+});
+
+/**
+ * I represent the DOM elements and attach spies.
+ *
+ * @class Page
  */
+class Page {
+
+  public navigateSpy: jasmine.Spy;
+
+  constructor(private component: LogOutComponent, private fixture: ComponentFixture<LogOutComponent>) {
+    // use injector to get services
+    const injector = fixture.debugElement.injector;
+    const store = injector.get(Store);
+
+    // add spies
+    this.navigateSpy = spyOn(store, 'dispatch');
+  }
+
+}

src/app/shared/testing/auth-service-stub.ts

@@ -0,0 +1,6 @@
+export class AuthServiceStub {
+
+  public redirectToPreviousUrl() {
+    return;
+  }
+}