71712: Test fixes: eventemitter to subject in confirmation modal

src/app/shared/confirmation-modal/confirmation-modal.component.spec.ts

@@ -46,27 +46,27 @@ describe('ConfirmationModalComponent', () => {
 
   describe('confirmPressed', () => {
     beforeEach(() => {
-      spyOn(component.response, 'emit');
+      spyOn(component.response, 'next');
       component.confirmPressed();
     });
     it('should call the close method on the active modal', () => {
       expect(modalStub.close).toHaveBeenCalled();
     });
-    it('event emitter should emit true', () => {
-      expect(component.response.emit).toHaveBeenCalledWith(true);
+    it('behaviour subject should have true as next', () => {
+      expect(component.response.next).toHaveBeenCalledWith(true);
     });
   });
 
   describe('cancelPressed', () => {
     beforeEach(() => {
-      spyOn(component.response, 'emit');
+      spyOn(component.response, 'next');
       component.cancelPressed();
     });
     it('should call the close method on the active modal', () => {
       expect(modalStub.close).toHaveBeenCalled();
     });
-    it('event emitter should emit false', () => {
-      expect(component.response.emit).toHaveBeenCalledWith(false);
+    it('behaviour subject should have false as next', () => {
+      expect(component.response.next).toHaveBeenCalledWith(false);
     });
   });
 
@@ -85,7 +85,7 @@ describe('ConfirmationModalComponent', () => {
   describe('when the click method emits on cancel button', () => {
     beforeEach(fakeAsync(() => {
       spyOn(component, 'close');
-      spyOn(component.response, 'emit');
+      spyOn(component.response, 'next');
       debugElement.query(By.css('button.cancel')).triggerEventHandler('click', {});
       tick();
       fixture.detectChanges();
@@ -93,15 +93,15 @@ describe('ConfirmationModalComponent', () => {
     it('should call the close method on the component', () => {
       expect(component.close).toHaveBeenCalled();
     });
-    it('event emitter should emit false', () => {
-      expect(component.response.emit).toHaveBeenCalledWith(false);
+    it('behaviour subject should have false as next', () => {
+      expect(component.response.next).toHaveBeenCalledWith(false);
     });
   });
 
   describe('when the click method emits on confirm button', () => {
     beforeEach(fakeAsync(() => {
       spyOn(component, 'close');
-      spyOn(component.response, 'emit');
+      spyOn(component.response, 'next');
       debugElement.query(By.css('button.confirm')).triggerEventHandler('click', {});
       tick();
       fixture.detectChanges();
@@ -109,8 +109,8 @@ describe('ConfirmationModalComponent', () => {
     it('should call the close method on the component', () => {
       expect(component.close).toHaveBeenCalled();
     });
-    it('event emitter should emit true', () => {
-      expect(component.response.emit).toHaveBeenCalledWith(true);
+    it('behaviour subject should have true as next', () => {
+      expect(component.response.next).toHaveBeenCalledWith(true);
     });
   });
 

src/app/shared/confirmation-modal/confirmation-modal.component.ts

@@ -1,6 +1,6 @@
-import { Component, EventEmitter, Input, Output } from '@angular/core';
-import { ActivatedRoute } from '@angular/router';
-import { NgbActiveModal, NgbModal } from '@ng-bootstrap/ng-bootstrap';
+import { Component, Input, Output } from '@angular/core';
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
+import { Subject } from 'rxjs/internal/Subject';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 
 @Component({
@@ -18,7 +18,7 @@ export class ConfirmationModalComponent {
    * An event fired when the cancel or confirm button is clicked, with respectively false or true
    */
   @Output()
-  response = new EventEmitter<boolean>();
+  response: Subject<boolean> = new Subject();
 
   constructor(protected activeModal: NgbActiveModal) {
   }
@@ -27,7 +27,7 @@ export class ConfirmationModalComponent {
    * Confirm the action that led to the modal
    */
   confirmPressed() {
-    this.response.emit(true);
+    this.response.next(true);
     this.close();
   }
 
@@ -35,7 +35,7 @@ export class ConfirmationModalComponent {
    * Cancel the action that led to the modal and close modal
    */
   cancelPressed() {
-    this.response.emit(false);
+    this.response.next(false);
     this.close();
   }
 

src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.spec.ts

@@ -1,24 +1,45 @@
 import { of as observableOf } from 'rxjs';
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
-import { TranslateModule } from '@ngx-translate/core';
-import { DebugElement, NO_ERRORS_SCHEMA } from '@angular/core';
-import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
+import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
+import { DebugElement, NgModule, NO_ERRORS_SCHEMA } from '@angular/core';
+import { NgbActiveModal, NgbModal, NgbModalModule } from '@ng-bootstrap/ng-bootstrap';
 import { ActivatedRoute, Router } from '@angular/router';
 import { METADATA_EXPORT_SCRIPT_NAME, ScriptDataService } from '../../../../core/data/processes/script-data.service';
 import { Collection } from '../../../../core/shared/collection.model';
 import { Community } from '../../../../core/shared/community.model';
 import { Item } from '../../../../core/shared/item.model';
 import { ProcessParameter } from '../../../../process-page/processes/process-parameter.model';
+import { ConfirmationModalComponent } from '../../../confirmation-modal/confirmation-modal.component';
+import { TranslateLoaderMock } from '../../../mocks/translate-loader.mock';
 import { NotificationsService } from '../../../notifications/notifications.service';
 import { NotificationsServiceStub } from '../../../testing/notifications-service.stub';
 import { createSuccessfulRemoteDataObject } from '../../../remote-data.utils';
 import { ExportMetadataSelectorComponent } from './export-metadata-selector.component';
 
+
+// No way to add entryComponents yet to testbed; alternative implemented; source: https://stackoverflow.com/questions/41689468/how-to-shallow-test-a-component-with-an-entrycomponents
+@NgModule({
+  imports: [ NgbModalModule,
+    TranslateModule.forRoot({
+      loader: {
+        provide: TranslateLoader,
+        useClass: TranslateLoaderMock
+      }
+    }),
+  ],
+  exports: [],
+  declarations: [ConfirmationModalComponent],
+  providers: [],
+  entryComponents: [ConfirmationModalComponent],
+})
+class ModelTestModule { }
+
 describe('ExportMetadataSelectorComponent', () => {
   let component: ExportMetadataSelectorComponent;
   let fixture: ComponentFixture<ExportMetadataSelectorComponent>;
   let debugElement: DebugElement;
+  let modalRef;
 
   let router;
   let notificationService: NotificationsServiceStub;
@@ -61,7 +82,7 @@ describe('ExportMetadataSelectorComponent', () => {
       }
     );
     TestBed.configureTestingModule({
-      imports: [TranslateModule.forRoot(), RouterTestingModule.withRoutes([])],
+      imports: [TranslateModule.forRoot(), RouterTestingModule.withRoutes([]), ModelTestModule],
       declarations: [ExportMetadataSelectorComponent],
       providers: [
         { provide: NgbActiveModal, useValue: modalStub },
@@ -92,6 +113,9 @@ describe('ExportMetadataSelectorComponent', () => {
     fixture = TestBed.createComponent(ExportMetadataSelectorComponent);
     component = fixture.componentInstance;
     debugElement = fixture.debugElement;
+    const modalService = TestBed.get(NgbModal);
+    modalRef = modalService.open(ConfirmationModalComponent);
+    modalRef.componentInstance.response = observableOf(true);
     fixture.detectChanges();
   });
 
@@ -116,6 +140,7 @@ describe('ExportMetadataSelectorComponent', () => {
   describe('if collection is selected', () => {
     let scriptRequestSucceeded;
     beforeEach((done) => {
+      spyOn((component as any).modalService, 'open').and.returnValue(modalRef);
       component.navigate(mockCollection).subscribe((succeeded: boolean) => {
         scriptRequestSucceeded = succeeded;
         done()
@@ -140,6 +165,7 @@ describe('ExportMetadataSelectorComponent', () => {
   describe('if community is selected', () => {
     let scriptRequestSucceeded;
     beforeEach((done) => {
+      spyOn((component as any).modalService, 'open').and.returnValue(modalRef);
       component.navigate(mockCommunity).subscribe((succeeded: boolean) => {
         scriptRequestSucceeded = succeeded;
         done()
@@ -164,6 +190,7 @@ describe('ExportMetadataSelectorComponent', () => {
   describe('if community/collection is selected; but script invoke fails', () => {
     let scriptRequestSucceeded;
     beforeEach((done) => {
+      spyOn((component as any).modalService, 'open').and.returnValue(modalRef);
       jasmine.getEnv().allowRespy(true);
       spyOn(scriptService, 'invoke').and.returnValue(observableOf({
         response:

src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.ts

@@ -2,9 +2,8 @@ import { Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
 import { Observable } from 'rxjs/internal/Observable';
-import { take, map } from 'rxjs/operators';
+import { take, map, switchMap } from 'rxjs/operators';
 import { of as observableOf } from 'rxjs';
-import { AuthService } from '../../../../core/auth/auth.service';
 import { METADATA_EXPORT_SCRIPT_NAME, ScriptDataService } from '../../../../core/data/processes/script-data.service';
 import { RequestEntry } from '../../../../core/data/request.reducer';
 import { Collection } from '../../../../core/shared/collection.model';
@@ -47,21 +46,25 @@ export class ExportMetadataSelectorComponent extends DSOSelectorModalWrapperComp
     if (dso instanceof Collection || dso instanceof Community) {
       const modalRef = this.modalService.open(ConfirmationModalComponent);
       modalRef.componentInstance.dso = dso;
-      modalRef.componentInstance.headerLabel = "confirmation-modal.export-metadata.header";
-      modalRef.componentInstance.infoLabel = "confirmation-modal.export-metadata.info";
-      modalRef.componentInstance.cancelLabel = "confirmation-modal.export-metadata.cancel";
-      modalRef.componentInstance.confirmLabel = "confirmation-modal.export-metadata.confirm";
-
-      modalRef.componentInstance.response.subscribe((confirm: boolean) => {
+      modalRef.componentInstance.headerLabel = 'confirmation-modal.export-metadata.header';
+      modalRef.componentInstance.infoLabel = 'confirmation-modal.export-metadata.info';
+      modalRef.componentInstance.cancelLabel = 'confirmation-modal.export-metadata.cancel';
+      modalRef.componentInstance.confirmLabel = 'confirmation-modal.export-metadata.confirm';
+      const resp$ =  modalRef.componentInstance.response.pipe(switchMap((confirm: boolean) => {
         if (confirm) {
-          const startScriptSucceeded = this.startScriptNotifyAndRedirect(dso, dso.handle);
-          startScriptSucceeded.pipe(take(1)).subscribe();
-          return startScriptSucceeded;
+          const startScriptSucceeded$ = this.startScriptNotifyAndRedirect(dso, dso.handle);
+          return startScriptSucceeded$.pipe(
+            switchMap((r: boolean) => {
+              return observableOf(r);
+            })
+          )
         } else {
           const modalRef = this.modalService.open(ExportMetadataSelectorComponent);
           modalRef.componentInstance.dsoRD = createSuccessfulRemoteDataObject(dso);
         }
-      });
+      }));
+      resp$.subscribe();
+      return resp$;
     } else {
       this.notificationsService.error(this.translationService.get('dso-selector.export-metadata.notValidDSO'));
       return observableOf(false);

src/app/shared/menu/menu.component.ts

@@ -3,7 +3,7 @@ import { Observable } from 'rxjs/internal/Observable';
 import { MenuService } from './menu.service';
 import { MenuID } from './initial-menus-state';
 import { MenuSection } from './menu.reducer';
-import { distinctUntilChanged, first, map, tap, switchMap, take } from 'rxjs/operators';
+import { distinctUntilChanged, map, switchMap } from 'rxjs/operators';
 import { GenericConstructor } from '../../core/shared/generic-constructor';
 import { hasValue } from '../empty.util';
 import { MenuSectionComponent } from './menu-section/menu-section.component';

src/environments/mock-environment.ts

@@ -105,7 +105,7 @@ export const environment: Partial<GlobalConfig> = {
   },
   // Angular Universal settings
   universal: {
-    preboot: false,
+    preboot: true,
     async: true,
     time: false
   },