fix: complete loading review coverage (#18)

frontend/src/app/components/apartment-form/apartment-form.spec.ts

@@ -64,4 +64,25 @@ describe('ApartmentForm', () => {
       'Impossible d’enregistrer cet appartement.',
     );
   });
+
+  it('preserves entered values after a save fails', async () => {
+    const fixture = TestBed.createComponent(ApartmentForm);
+    fixture.detectChanges();
+    await fixture.whenStable();
+    const form = fixture.componentInstance;
+    form.name.set('T2 rénové');
+    form.address.set('45 rue des Entrepreneurs');
+    form.purchasePrice.set(265000);
+    fixture.componentRef.setInput('saveError', 'Impossible d’enregistrer cet appartement.');
+    fixture.detectChanges();
+    await fixture.whenStable();
+
+    expect(fixture.nativeElement.querySelector('input[name=name]').value).toBe('T2 rénové');
+    expect(fixture.nativeElement.querySelector('input[name=address]').value).toBe(
+      '45 rue des Entrepreneurs',
+    );
+    expect(fixture.nativeElement.textContent).toContain(
+      'Impossible d’enregistrer cet appartement.',
+    );
+  });
 });