feat(editor-content): add unit tests to file field store #30059 (#30184)

### Parent Issue

#30059 

### Proposed Changes
* Add more unit tests
* Cases for Image field

### Checklist
- [x] Tests
- [x] Translations
- [x] Security Implications Contemplated (add notes if applicable)

### Screenshots


https://github.com/user-attachments/assets/b46c6f97-2dfa-4da2-9710-200ce3396600

core-web/libs/edit-content/src/lib/fields/dot-edit-content-file-field/dot-edit-content-file-field.component.spec.ts

@@ -1,11 +1,20 @@
-import { Spectator, byTestId, createComponentFactory, mockProvider } from '@ngneat/spectator/jest';
+import {
+    Spectator,
+    SpyObject,
+    byTestId,
+    createComponentFactory,
+    mockProvider
+} from '@ngneat/spectator/jest';
+import { of } from 'rxjs';
 
 import { provideHttpClient } from '@angular/common/http';
 import { ControlContainer } from '@angular/forms';
 
 import { DotMessageService } from '@dotcms/data-access';
-import { DotDropZoneComponent } from '@dotcms/ui';
+import { DotDropZoneComponent, DropZoneErrorType, DropZoneFileEvent } from '@dotcms/ui';
 
+import { DotFileFieldPreviewComponent } from './components/dot-file-field-preview/dot-file-field-preview.component';
+import { DotFileFieldUiMessageComponent } from './components/dot-file-field-ui-message/dot-file-field-ui-message.component';
 import { DotEditContentFileFieldComponent } from './dot-edit-content-file-field.component';
 import { DotFileFieldUploadService } from './services/upload-file/upload-file.service';
 import { FileFieldStore } from './store/file-field.store';
@@ -14,11 +23,15 @@ import {
     BINARY_FIELD_MOCK,
     createFormGroupDirectiveMock,
     FILE_FIELD_MOCK,
-    IMAGE_FIELD_MOCK
+    IMAGE_FIELD_MOCK,
+    NEW_FILE_MOCK
 } from '../../utils/mocks';
 
 describe('DotEditContentFileFieldComponent', () => {
     let spectator: Spectator<DotEditContentFileFieldComponent>;
+    let store: InstanceType<typeof FileFieldStore>;
+    let uploadService: SpyObject<DotFileFieldUploadService>;
+
     const createComponent = createComponentFactory({
         component: DotEditContentFileFieldComponent,
         detectChanges: false,
@@ -30,23 +43,25 @@ describe('DotEditContentFileFieldComponent', () => {
     });
 
     describe('FileField', () => {
-        beforeEach(
-            () =>
-                (spectator = createComponent({
-                    props: {
-                        field: FILE_FIELD_MOCK
-                    } as unknown
-                }))
-        );
+        beforeEach(() => {
+            spectator = createComponent({
+                props: {
+                    field: FILE_FIELD_MOCK
+                } as unknown
+            });
+            store = spectator.inject(FileFieldStore, true);
+            uploadService = spectator.inject(DotFileFieldUploadService, true);
+        });
 
         it('should be created', () => {
             expect(spectator.component).toBeTruthy();
         });
 
-        it('should have a DotDropZoneComponent', () => {
+        it('should have a DotDropZoneComponent and DotFileFieldUiMessageComponent', () => {
             spectator.detectChanges();
 
             expect(spectator.query(DotDropZoneComponent)).toBeTruthy();
+            expect(spectator.query(DotFileFieldUiMessageComponent)).toBeTruthy();
         });
 
         it('should show the proper actions', () => {
@@ -57,6 +72,149 @@ describe('DotEditContentFileFieldComponent', () => {
             expect(spectator.query(byTestId('action-new-file'))).toBeTruthy();
             expect(spectator.query(byTestId('action-generate-with-ai'))).toBeFalsy();
         });
+
+        it('should call initLoad with proper params', () => {
+            const spyInitLoad = jest.spyOn(store, 'initLoad');
+
+            spectator.detectChanges();
+
+            expect(spyInitLoad).toHaveBeenCalledTimes(1);
+            expect(spyInitLoad).toHaveBeenCalledWith({
+                fieldVariable: FILE_FIELD_MOCK.variable,
+                inputType: FILE_FIELD_MOCK.fieldType
+            });
+        });
+
+        it('should call getAssetData when an value is set', () => {
+            const mockContentlet = NEW_FILE_MOCK.entity;
+            uploadService.getContentById.mockReturnValue(of(mockContentlet));
+
+            const spyGetAssetData = jest.spyOn(store, 'getAssetData');
+
+            spectator.component.writeValue(mockContentlet.identifier);
+
+            expect(spyGetAssetData).toHaveBeenCalledTimes(1);
+            expect(spyGetAssetData).toHaveBeenCalledWith(mockContentlet.identifier);
+        });
+
+        it('should does not call getAssetData when an null value', () => {
+            const mockContentlet = NEW_FILE_MOCK.entity;
+            uploadService.getContentById.mockReturnValue(of(mockContentlet));
+
+            const spyGetAssetData = jest.spyOn(store, 'getAssetData');
+
+            spectator.component.writeValue(null);
+
+            expect(spyGetAssetData).not.toHaveBeenCalled();
+        });
+
+        it('should have a preview with a proper content', () => {
+            const mockContentlet = NEW_FILE_MOCK.entity;
+            uploadService.getContentById.mockReturnValue(of(mockContentlet));
+
+            spectator.component.writeValue(mockContentlet.identifier);
+
+            spectator.detectChanges();
+
+            expect(spectator.query(DotFileFieldPreviewComponent)).toBeTruthy();
+        });
+
+        describe('fileDropped event', () => {
+            it('should call to handleUploadFile when and proper file', () => {
+                const mockContentlet = NEW_FILE_MOCK.entity;
+                uploadService.uploadDotAsset.mockReturnValue(of(mockContentlet));
+
+                const spyHandleUploadFile = jest.spyOn(store, 'handleUploadFile');
+
+                const mockEvent: DropZoneFileEvent = {
+                    file: new File([''], 'filename', { type: 'text/html' }),
+                    validity: {
+                        fileTypeMismatch: false,
+                        maxFileSizeExceeded: false,
+                        multipleFilesDropped: false,
+                        errorsType: [],
+                        valid: true
+                    }
+                };
+                spectator.detectChanges();
+
+                spectator.triggerEventHandler(DotDropZoneComponent, 'fileDropped', mockEvent);
+
+                expect(spyHandleUploadFile).toHaveBeenCalledTimes(1);
+                expect(spyHandleUploadFile).toHaveBeenCalledWith(mockEvent.file);
+            });
+
+            it('should not call to handleUploadFile when a null file', () => {
+                const mockContentlet = NEW_FILE_MOCK.entity;
+                uploadService.uploadDotAsset.mockReturnValue(of(mockContentlet));
+
+                const spyHandleUploadFile = jest.spyOn(store, 'handleUploadFile');
+
+                const mockEvent: DropZoneFileEvent = {
+                    file: null,
+                    validity: {
+                        fileTypeMismatch: false,
+                        maxFileSizeExceeded: false,
+                        multipleFilesDropped: false,
+                        errorsType: [],
+                        valid: true
+                    }
+                };
+                spectator.detectChanges();
+
+                spectator.triggerEventHandler(DotDropZoneComponent, 'fileDropped', mockEvent);
+
+                expect(spyHandleUploadFile).not.toHaveBeenCalled();
+            });
+
+            it('should set a proper error message with a invalid file', () => {
+                const mockContentlet = NEW_FILE_MOCK.entity;
+                uploadService.uploadDotAsset.mockReturnValue(of(mockContentlet));
+
+                const spySetUIMessage = jest.spyOn(store, 'setUIMessage');
+
+                const mockEvent: DropZoneFileEvent = {
+                    file: new File([''], 'filename', { type: 'text/html' }),
+                    validity: {
+                        fileTypeMismatch: true,
+                        maxFileSizeExceeded: false,
+                        multipleFilesDropped: false,
+                        errorsType: [DropZoneErrorType.MAX_FILE_SIZE_EXCEEDED],
+                        valid: false
+                    }
+                };
+                spectator.detectChanges();
+
+                spectator.triggerEventHandler(DotDropZoneComponent, 'fileDropped', mockEvent);
+
+                expect(spySetUIMessage).toHaveBeenCalled();
+            });
+        });
+
+        describe('fileSelected event', () => {
+            it('should call to fileSelected with proper file', () => {
+                const mockContentlet = NEW_FILE_MOCK.entity;
+                uploadService.uploadDotAsset.mockReturnValue(of(mockContentlet));
+
+                const spyHandleUploadFile = jest.spyOn(store, 'handleUploadFile');
+
+                const file = new File([''], 'filename', { type: 'text/html' });
+                spectator.component.fileSelected([file] as unknown as FileList);
+
+                expect(spyHandleUploadFile).toHaveBeenCalledTimes(1);
+                expect(spyHandleUploadFile).toHaveBeenCalledWith(file);
+            });
+
+            it('should not call to fileSelected when a null file', () => {
+                const mockContentlet = NEW_FILE_MOCK.entity;
+                uploadService.uploadDotAsset.mockReturnValue(of(mockContentlet));
+
+                const spyHandleUploadFile = jest.spyOn(store, 'handleUploadFile');
+                spectator.component.fileSelected([] as unknown as FileList);
+
+                expect(spyHandleUploadFile).not.toHaveBeenCalled();
+            });
+        });
     });
 
     describe('ImageField', () => {

core-web/libs/edit-content/src/lib/fields/dot-edit-content-file-field/dot-edit-content-file-field.component.ts

@@ -72,6 +72,10 @@ export class DotEditContentFileFieldComponent implements ControlValueAccessor, O
 
     constructor() {
         effect(() => {
+            if (!this.onChange && !this.onTouched) {
+                return;
+            }
+
             const value = this.store.value();
             this.onChange(value);
             this.onTouched();