feat: only show google attribution for google-translated transcripts (#36619)

* feat: only show google attribution for google-translated transcripts

* fixup! feat: only show google attribution for google-translated transcripts

xmodule/js/spec/video/video_caption_spec.js

@@ -637,6 +637,7 @@
                 spyOn(Caption, 'renderCaption');
                 spyOn(Caption, 'bindHandlers');
                 spyOn(Caption, 'updatePlayTime');
+                spyOn(Caption, 'renderGoogleDisclaimer');
                 spyOn(Caption, 'hideCaptions');
                 spyOn(state, 'youtubeId').and.returnValue('Z5KLxerq05Y');
             });
@@ -715,6 +716,7 @@
                 expect($.ajaxWithPrefix).toHaveBeenCalled();
                 expect(Caption.bindHandlers).toHaveBeenCalled();
                 expect(Caption.renderCaption).toHaveBeenCalled();
+                expect(Caption.renderGoogleDisclaimer).toHaveBeenCalled()
                 expect(Caption.updatePlayTime).not.toHaveBeenCalled();
                 expect(Caption.loaded).toBeTruthy();
             });
@@ -808,6 +810,8 @@
                 expect($.ajaxWithPrefix).toHaveBeenCalled();
                 expect(Caption.fetchAvailableTranslations).toHaveBeenCalled();
             });
+
+
         });
 
         describe('fetchAvailableTranslations', function() {
@@ -1327,5 +1331,48 @@
                     });
                 });
         });
+
+        describe('google disclaimer', () => { 
+            const BASE_CAPTIONS = [
+                'this is a caption',
+                'this is another caption',
+                'quite lovely weather we\'re having today',
+                'indeed',
+            ]
+            var Caption;
+
+            const makeCaptions = (provider) => {
+                const providerAttr = provider ? ` data-provider="${provider}"` : '';
+                const aiGeneratedTag = `<span id="captions-ai-generated" ${providerAttr}></span>`;
+                var captions = [...BASE_CAPTIONS];
+                captions[0] = aiGeneratedTag + captions[0];
+                return captions;
+            };
+
+            beforeEach(() => {
+                state = jasmine.initializePlayer();
+                Caption = state.videoCaption;
+            })
+
+            it('not shown when captions are not ai generated', () => {
+                Caption.renderGoogleDisclaimer(BASE_CAPTIONS)
+                expect(state.shouldShowGoogleDisclaimer).toBe(false);
+            });
+
+            it('not shown when captions are not generated by gcp', () => {
+                Caption.renderGoogleDisclaimer(makeCaptions('someoneElse'))
+                expect(state.shouldShowGoogleDisclaimer).toBe(false);
+            });
+
+            it('shown when captions are generated by gcp', () => {
+                Caption.renderGoogleDisclaimer(makeCaptions('gcp'))
+                expect(state.shouldShowGoogleDisclaimer).toBe(true);
+            });
+
+            it('shown when captions have no provider', () => {
+                Caption.renderGoogleDisclaimer(makeCaptions())
+                expect(state.shouldShowGoogleDisclaimer).toBe(true);
+            });
+         });
     });
 }).call(this);