How to Test Delete Api In Laravel?

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To test delete API in Laravel, you can use PHPUnit to create a test case that sends a DELETE request to the API endpoint you want to test.

First, create a test method in your PHPUnit test class that makes a DELETE request using the Laravel HTTP client. You can specify the API endpoint and any parameters you want to send in the request.

Next, assert that the response from the DELETE request has the expected status code (usually 200 for a successful delete operation) and any other data you want to validate, such as a success message in the response body.

You can also use Laravel's model factories to create test data for the API endpoint before sending the DELETE request, ensuring that there is data to delete in the database.

Overall, testing delete API in Laravel involves creating a test case that sends a DELETE request to the API endpoint, validating the response from the request, and using model factories to set up test data for the delete operation.

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How to test delete API with different edge cases in Laravel?

To test the delete API with different edge cases in Laravel, you can use PHPUnit testing framework. Here is an example of how to write test cases for the delete API with different edge cases:

  1. Consider the delete API route is /api/users/{id} where {id} is the user id to be deleted.
  2. Create a new test class in the tests directory by running the following command:
php artisan make:test UserDeleteApiTest

  1. Write test cases to cover different edge cases such as:
  • Deleting a user that exists in the database
  • Deleting a user that does not exist in the database

Here is an example of how you can write test cases for the delete API:

use Tests\TestCase;
use App\Models\User;

class UserDeleteApiTest extends TestCase
    public function test_delete_existing_user()
        $user = User::factory()->create();

        $response = $this->json('DELETE', '/api/users/' . $user->id);

        $this->assertDatabaseMissing('users', ['id' => $user->id]);

    public function test_delete_non_existing_user()
        $response = $this->json('DELETE', '/api/users/1000');


  1. Run the test cases using the following command:
php artisan test

This will run the test cases and show the results of each test case. Make sure to also validate other edge cases like authentication, permissions, and validation errors in your delete API test cases.

What are the benefits of writing tests for delete API in Laravel?

  1. Ensure code stability: By writing tests for the delete API in Laravel, you can ensure that the functionality works as expected and does not introduce bugs or errors into the system. This helps in maintaining code stability and reliability.
  2. Identify regression issues: Tests help in identifying any regression issues that might occur when making changes to the codebase. By running tests before and after making changes, you can ensure that the delete API continues to function correctly.
  3. Improve code quality: Writing tests for the delete API can help in improving the overall code quality by ensuring that it follows best practices and standards. This can make the codebase more maintainable and easier to work with in the long run.
  4. Facilitate collaboration: Writing tests for the delete API can help in facilitating collaboration among team members. By having a set of tests that validate the functionality of the delete API, team members can work on different parts of the codebase with confidence that their changes will not break existing functionality.
  5. Save time in the long run: While writing tests may take some additional time upfront, it can save time in the long run by preventing bugs and issues from occurring. This can reduce the amount of time spent on debugging and troubleshooting issues that may arise later on.

How to create a test case for testing delete API in Laravel?

To create a test case for testing the delete API in Laravel, you can follow these steps:

  1. Create a new test file: Start by creating a new test file in the tests directory of your Laravel application. You can create a new test case file specifically for testing the delete API endpoint, such as DeleteAPITest.php.
  2. Define the test case class: Inside the test file, define a new test case class that extends the TestCase class provided by Laravel. This class will contain the test methods for testing the delete API endpoint.
  3. Define the test method: Create a new test method within the test case class to test the delete functionality of the API endpoint. In the test method, you can make a DELETE request to the delete API endpoint using Laravel's testing tools, such as the delete method provided by the TestResponse class.
  4. Assert the response: After making the delete request to the API endpoint, assert the response returned by the API. You can use Laravel's testing tools, such as the assertStatus and assertJson methods, to verify that the API response is correct.
  5. Set up the database: Before running the test case, you may need to set up the database with some dummy data that you can delete using the delete API endpoint. You can use Laravel's database seeding or factories to create the necessary data for testing.
  6. Run the test case: Finally, run the test case using Laravel's testing tools, such as PHPUnit or the php artisan test command. Make sure the test case passes successfully, indicating that the delete API endpoint is functioning correctly.

By following these steps, you can create a test case for testing the delete API in Laravel and ensure that the API endpoint is working as expected.

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