[DSC-2168] add tests for multiple tags

Author: Andrea Barbasso

src/app/core/metadata/metadata.service.spec.ts

@@ -84,7 +84,8 @@ describe('MetadataService', () => {
       updateTag: {},
       addTag: {},
       removeTag: {},
-      getTags: [],
+      removeTagElement: {},
+      getTags: ['1', '2'],
     });
     title = jasmine.createSpyObj({
       setTitle: {}
@@ -158,6 +159,7 @@ describe('MetadataService', () => {
       content: 'Test PowerPoint Document',
     });
     expect(meta.addTag).toHaveBeenCalledWith({ name: 'citation_author', content: 'Doe, Jane' });
+    expect(meta.addTag).toHaveBeenCalledWith({ name: 'citation_author', content: 'Doe, John' });
     expect(meta.updateTag).toHaveBeenCalledWith({
       name: 'citation_publication_date',
       content: '1650-06-26',
@@ -170,6 +172,13 @@ describe('MetadataService', () => {
     });
   }));
 
+  it('items page should remove multiple tags', fakeAsync(() => {
+    metadataService.clearMetaTags();
+    expect(meta.getTags).toHaveBeenCalledWith('name="title"');
+    expect(meta.getTags).toHaveBeenCalledWith('name="description"');
+    expect(meta.removeTagElement).toHaveBeenCalledTimes(4);
+  }));
+
   it('items page should set meta tags as published Thesis', fakeAsync(() => {
     (metadataService as any).processRouteChange({
       data: {

src/app/shared/mocks/item.mock.ts

@@ -182,6 +182,10 @@ export const ItemMock: Item = Object.assign(new Item(), {
       {
         language: 'en_US',
         value: 'Doe, Jane'
+      },
+      {
+        language: 'en_US',
+        value: 'Doe, John'
       }
     ],
     'dc.date.accessioned': [