diff --git a/src/app/+admin/admin-sidebar/admin-sidebar.component.spec.ts b/src/app/+admin/admin-sidebar/admin-sidebar.component.spec.ts
index 40539d3e13..0a79c407d8 100644
--- a/src/app/+admin/admin-sidebar/admin-sidebar.component.spec.ts
+++ b/src/app/+admin/admin-sidebar/admin-sidebar.component.spec.ts
@@ -2,6 +2,7 @@ import { async, ComponentFixture, fakeAsync, TestBed, tick } from '@angular/core
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { TranslateModule } from '@ngx-translate/core';
 import { ChangeDetectionStrategy, Injector, NO_ERRORS_SCHEMA } from '@angular/core';
+import { ScriptDataService } from '../../core/data/processes/script-data.service';
 import { AdminSidebarComponent } from './admin-sidebar.component';
 import { MenuService } from '../../shared/menu/menu.service';
 import { MenuServiceStub } from '../../shared/testing/menu-service.stub';
@@ -21,11 +22,13 @@ describe('AdminSidebarComponent', () => {
   let fixture: ComponentFixture<AdminSidebarComponent>;
   const menuService = new MenuServiceStub();
   let authorizationService: AuthorizationDataService;
+  let scriptService;
 
   beforeEach(async(() => {
     authorizationService = jasmine.createSpyObj('authorizationService', {
       isAuthorized: observableOf(true)
     });
+    scriptService = jasmine.createSpyObj('scriptService', { scripWithNameExistsAndCanExecute: observableOf(true) });
     TestBed.configureTestingModule({
       imports: [TranslateModule.forRoot(), NoopAnimationsModule, RouterTestingModule],
       declarations: [AdminSidebarComponent],
@@ -36,9 +39,11 @@ describe('AdminSidebarComponent', () => {
         { provide: AuthService, useClass: AuthServiceStub },
         { provide: ActivatedRoute, useValue: {} },
         { provide: AuthorizationDataService, useValue: authorizationService },
+        { provide: ScriptDataService, useValue: scriptService },
         {
           provide: NgbModal, useValue: {
-            open: () => {/*comment*/}
+            open: () => {/*comment*/
+            }
           }
         }
       ],
diff --git a/src/app/+admin/admin-sidebar/admin-sidebar.component.ts b/src/app/+admin/admin-sidebar/admin-sidebar.component.ts
index 2a911f6097..6bd65bb85d 100644
--- a/src/app/+admin/admin-sidebar/admin-sidebar.component.ts
+++ b/src/app/+admin/admin-sidebar/admin-sidebar.component.ts
@@ -378,7 +378,7 @@ export class AdminSidebarComponent extends MenuComponent implements OnInit {
               id: 'export_metadata',
               parentID: 'export',
               active: true,
-              visible: authorized && metadataExportScriptExists,
+              visible: (authorized && metadataExportScriptExists),
               model: {
                 type: MenuItemType.ONCLICK,
                 text: 'menu.section.export_metadata',
diff --git a/src/app/core/data/processes/script-data.service.ts b/src/app/core/data/processes/script-data.service.ts
index 2dcc6e364d..837d1fb70e 100644
--- a/src/app/core/data/processes/script-data.service.ts
+++ b/src/app/core/data/processes/script-data.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { getRemoteDataPayload, getSucceededRemoteData } from '../../shared/operators';
+import { getSucceededRemoteData } from '../../shared/operators';
 import { DataService } from '../data.service';
 import { RemoteDataBuildService } from '../../cache/builders/remote-data-build.service';
 import { Store } from '@ngrx/store';
@@ -13,7 +13,7 @@ import { Script } from '../../../process-page/scripts/script.model';
 import { ProcessParameter } from '../../../process-page/processes/process-parameter.model';
 import { find, map, switchMap } from 'rxjs/operators';
 import { URLCombiner } from '../../url-combiner/url-combiner';
-import { PaginatedList } from '../paginated-list';
+import { RemoteData } from '../remote-data';
 import { MultipartPostRequest, RestRequest } from '../request.models';
 import { RequestService } from '../request.service';
 import { Observable } from 'rxjs';
@@ -66,17 +66,10 @@ export class ScriptDataService extends DataService<Script> {
    * @param scriptName    script we want to check exists (and we can execute)
    */
   public scripWithNameExistsAndCanExecute(scriptName: string): Observable<boolean> {
-    return this.findAll().pipe(
+    return this.findById(scriptName).pipe(
       getSucceededRemoteData(),
-      getRemoteDataPayload(),
-      map((scriptsRD: PaginatedList<Script>) => {
-        let found = false;
-        scriptsRD.page.forEach((script: Script) => {
-          if (script.id === scriptName) {
-            found = true;
-          }
-        });
-        return found;
+      map((scriptRD: RemoteData<Script>) => {
+        return (scriptRD.hasSucceeded);
       }));
   }
 }
diff --git a/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.spec.ts b/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.spec.ts
new file mode 100644
index 0000000000..16dcee38d8
--- /dev/null
+++ b/src/app/shared/dso-selector/modal-wrappers/export-metadata-selector/export-metadata-selector.component.spec.ts
@@ -0,0 +1,165 @@
+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 { ActivatedRoute, Router } from '@angular/router';
+import { 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 { NotificationsService } from '../../../notifications/notifications.service';
+import { NotificationsServiceStub } from '../../../testing/notifications-service.stub';
+import { createSuccessfulRemoteDataObject } from '../../../remote-data.utils';
+import { ExportMetadataSelectorComponent, METADATA_EXPORT_SCRIPT_NAME } from './export-metadata-selector.component';
+
+describe('ExportMetadataSelectorComponent', () => {
+  let component: ExportMetadataSelectorComponent;
+  let fixture: ComponentFixture<ExportMetadataSelectorComponent>;
+  let debugElement: DebugElement;
+
+  let router;
+  let notificationService: NotificationsServiceStub;
+  let scriptService;
+
+  const mockItem = Object.assign(new Item(), {
+    id: 'fake-id',
+    handle: 'fake/handle',
+    lastModified: '2018'
+  });
+
+  const mockCollection1: Collection = Object.assign(new Collection(), {
+    id: 'test-collection-1-1',
+    name: 'test-collection-1',
+    handle: 'fake/test-collection-1',
+  });
+
+  const mockCommunity = Object.assign(new Community(), {
+    id: 'test-uuid',
+    handle: 'fake/test-community-1',
+  });
+
+  const itemRD = createSuccessfulRemoteDataObject(mockItem);
+  const modalStub = jasmine.createSpyObj('modalStub', ['close']);
+
+  beforeEach(async(() => {
+    notificationService = new NotificationsServiceStub();
+    router = jasmine.createSpyObj('router', {
+      navigateByUrl: jasmine.createSpy('navigateByUrl')
+    });
+    scriptService = jasmine.createSpyObj('scriptService',
+      {
+        invoke: observableOf({
+          response:
+            {
+              isSuccessful: true,
+              resourceSelfLinks: ['https://localhost:8080/api/core/processes/45']
+            }
+        })
+      }
+    );
+    TestBed.configureTestingModule({
+      imports: [TranslateModule.forRoot(), RouterTestingModule.withRoutes([])],
+      declarations: [ExportMetadataSelectorComponent],
+      providers: [
+        { provide: NgbActiveModal, useValue: modalStub },
+        { provide: NotificationsService, useValue: notificationService },
+        { provide: ScriptDataService, useValue: scriptService },
+        {
+          provide: ActivatedRoute,
+          useValue: {
+            root: {
+              snapshot: {
+                data: {
+                  dso: itemRD,
+                },
+              },
+            }
+          },
+        },
+        {
+          provide: Router, useValue: router
+        }
+      ],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).compileComponents();
+
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ExportMetadataSelectorComponent);
+    component = fixture.componentInstance;
+    debugElement = fixture.debugElement;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  describe('if item is selected', () => {
+    beforeEach(() => {
+      component.navigate(mockItem);
+    });
+    it('should show error notification', () => {
+      expect(notificationService.error).toHaveBeenCalled();
+    });
+  });
+
+  describe('if collection is selected', () => {
+    beforeEach(() => {
+      component.navigate(mockCollection1);
+    });
+    it('metadata-export script is invoked with its -i handle and -f uuid.csv', () => {
+      const parameterValues: ProcessParameter[] = [
+        Object.assign(new ProcessParameter(), { name: '-i', value: mockCollection1.handle }),
+        Object.assign(new ProcessParameter(), { name: '-f', value: mockCollection1.uuid + '.csv' }),
+      ];
+      expect(scriptService.invoke).toHaveBeenCalledWith(METADATA_EXPORT_SCRIPT_NAME, parameterValues, []);
+    });
+    it('success notification is shown', () => {
+      expect(notificationService.success).toHaveBeenCalled();
+    });
+    it('redirected to process page', () => {
+      expect(router.navigateByUrl).toHaveBeenCalledWith('/processes/45');
+    });
+  });
+
+  describe('if community is selected', () => {
+    beforeEach(() => {
+      component.navigate(mockCommunity);
+    });
+    it('metadata-export script is invoked with its -i handle and -f uuid.csv', () => {
+      const parameterValues: ProcessParameter[] = [
+        Object.assign(new ProcessParameter(), { name: '-i', value: mockCommunity.handle }),
+        Object.assign(new ProcessParameter(), { name: '-f', value: mockCommunity.uuid + '.csv' }),
+      ];
+      expect(scriptService.invoke).toHaveBeenCalledWith(METADATA_EXPORT_SCRIPT_NAME, parameterValues, []);
+    });
+    it('success notification is shown', () => {
+      expect(notificationService.success).toHaveBeenCalled();
+    });
+    it('redirected to process page', () => {
+      expect(router.navigateByUrl).toHaveBeenCalledWith('/processes/45');
+    });
+  });
+
+  describe('if community/collection is selected; but script invoke fails', () => {
+    beforeEach(() => {
+      jasmine.getEnv().allowRespy(true);
+      spyOn(scriptService, 'invoke').and.returnValue(observableOf({
+        response:
+          {
+            isSuccessful: false,
+          }
+      }));
+      component.navigate(mockCommunity);
+    });
+    it('error notification is shown', () => {
+      expect(notificationService.error).toHaveBeenCalled();
+    });
+  });
+
+});