[5.3] DELETE should return 204 if item don't exist (joomla#45589)

Author: alikon

libraries/src/MVC/Controller/ApiController.php

@@ -301,8 +301,6 @@ public function delete($id = null)
             if ($model->getError() !== false) {
                 throw new \RuntimeException($model->getError(), 500);
             }
-
-            throw new \RuntimeException(Text::_('JLIB_APPLICATION_ERROR_DELETE'), 500);
         }
 
         $this->app->setHeader('status', 204);

tests/System/integration/api/com_contact/Contacts.cy.js

@@ -42,7 +42,13 @@ describe('Test that contacts API endpoint', () => {
 
   it('can delete a contact', () => {
     cy.db_createContact({ name: 'automated test contact', published: -2 })
-      .then((contact) => cy.api_delete(`/contacts/${contact.id}`));
+      .then((contact) => cy.api_delete(`/contacts/${contact.id}`))
+      .then((result) => expect(result.status).to.eq(204));
+  });
+
+  it('check correct response for delete a not existent contact', () => {
+    cy.api_delete('/contacts/9999')
+      .then((result) => expect(result.status).to.eq(204));
   });
 
   it('can submit a contact form', () => {