test(select): ensure initial falsy value is selected

akveo · Aug 28, 2019 · bddc0b8 · bddc0b8
1 parent 1408988
commit bddc0b8
Showing 1 changed file with 16 additions and 1 deletion.
diff --git a/src/framework/theme/components/select/select.spec.ts b/src/framework/theme/components/select/select.spec.ts
@@ -183,7 +183,7 @@ export class NbNgModelSelectComponent {
     <nb-layout>
       <nb-layout-column>
 
-        <nb-select>
+        <nb-select [selected]="selectedValue">
           <nb-option>No value option</nb-option>
           <nb-option [value]="null">undefined value</nb-option>
           <nb-option [value]="undefined">undefined value</nb-option>
@@ -199,6 +199,8 @@ export class NbNgModelSelectComponent {
   `,
 })
 export class NbSelectWithFalsyOptionValuesComponent {
+  selectedValue;
+
   nanValue = NaN;
 
   @ViewChildren(NbOptionComponent) options: QueryList<NbOptionComponent<any>>;
@@ -813,6 +815,19 @@ describe('NbSelectComponent - falsy values', () => {
       expect(testComponent.truthyOptionElement.nativeElement.querySelector('nb-checkbox')).not.toEqual(null);
     });
   });
+
+  it('should select initial falsy value', fakeAsync(() => {
+    fixture = TestBed.createComponent(NbSelectWithFalsyOptionValuesComponent);
+    testComponent = fixture.componentInstance;
+    select = fixture.debugElement.query(By.directive(NbSelectComponent)).componentInstance;
+
+    select.selected = '';
+    fixture.detectChanges();
+    flush();
+
+    expect(select.selectionModel[0]).toEqual(testComponent.emptyStringOption);
+    expect(testComponent.emptyStringOption.selected).toEqual(true);
+  }));
 });
 
 describe('NbSelectComponent - Triggers', () => {