[AAE-12065] add tests

lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.spec.ts

@@ -39,7 +39,8 @@ import {
     mockRestDropdownOptions,
     mockSecondRestDropdownOptions,
     mockVariablesWithDefaultJson,
-    mockProcessVariablesWithJson
+    mockProcessVariablesWithJson,
+    fakeFormOptionEntries
 } from '../../../mocks/dropdown.mock';
 import { OverlayContainer } from '@angular/cdk/overlay';
 import { TaskVariableCloud } from '../../../models/task-variable-cloud.model';
@@ -778,6 +779,32 @@ describe('DropdownCloudWidgetComponent', () => {
             });
         });
 
+        describe('Default option', () => {
+            it('should not get default option from list of options which do not have any id matching the DEFAULT_OPTION id', () => {
+                const call = widget.getDefaultOption(fakeFormOptionEntries[0]);
+
+                expect(call).toEqual(undefined);
+            });
+
+            it('should get default option from list of options which have any id matching the DEFAULT_OPTION id, while not having an isDefault flag set to true', () => {
+                const call = widget.getDefaultOption(fakeFormOptionEntries[1]);
+
+                expect(call).toEqual(fakeFormOptionEntries[1][0]);
+            });
+
+            it('should get default option from list of options which have any id matching the DEFAULT_OPTION id while also having an isDefault flag set to true', () => {
+                const call = widget.getDefaultOption(fakeFormOptionEntries[2]);
+
+                expect(call).toEqual(fakeFormOptionEntries[2][0]);
+            });
+
+            it('should get default option from list of options which has an isDefault flag set to true, despite the option id', () => {
+                const call = widget.getDefaultOption(fakeFormOptionEntries[3]);
+
+                expect(call).toEqual(fakeFormOptionEntries[3][0]);
+            });
+        });
+
         describe('Load selection for linked dropdown (i.e. saved, completed forms)', () => {
 
             it('should load the selection of a manual type linked dropdown', () => {

lib/process-services-cloud/src/lib/form/components/widgets/dropdown/dropdown-cloud.widget.ts

@@ -435,6 +435,6 @@ export class DropdownCloudWidgetComponent extends WidgetComponent implements OnI
     }
 
     getDefaultOption(options: FormFieldOption[]): FormFieldOption {
-        return options.find((option: FormFieldOption) => option.isDefault === undefined ? option.id === DEFAULT_OPTION.id : option.isDefault);
+        return options.find((option: FormFieldOption) => option.isDefault ?? option.id === DEFAULT_OPTION.id);
     }
 }

lib/process-services-cloud/src/lib/form/mocks/dropdown.mock.ts

@@ -168,6 +168,71 @@ export const mockCountriesResponse = {
     ]
 };
 
+export const fakeFormOptionEntries = [
+    [
+        {
+            id: 'id_1',
+            name: 'name_1'
+        },
+        {
+            id: 'id_1',
+            name: 'name_2'
+        },
+        {
+            id: 'id_3',
+            name: 'name_3'
+        }
+    ],
+    [
+        {
+            id: 'empty',
+            name: 'name_1'
+        },
+        {
+            id: 'id_1',
+            name: 'name_2'
+        },
+        {
+            id: 'id_3',
+            name: 'name_3'
+        }
+    ],
+    [
+        {
+            id: 'empty',
+            name: 'name_1',
+            isDefault: true
+        },
+        {
+            id: 'id_1',
+            name: 'name_2',
+            isDefault: false
+        },
+        {
+            id: 'id_3',
+            name: 'name_3',
+            isDefault: false
+        }
+    ],
+    [
+        {
+            id: 'id_1',
+            name: 'name_1',
+            isDefault: true
+        },
+        {
+            id: 'id_1',
+            name: 'name_2',
+            isDefault: false
+        },
+        {
+            id: 'id_3',
+            name: 'name_3',
+            isDefault: false
+        }
+    ]
+];
+
 export const mockFormVariableWithJson = [
     new TaskVariableCloud({ name: 'json-form-variable', value: mockCountriesResponse, type: 'json', id: 'fake-id-1' })
 ];