Making sure a action is being called

To ensure that LeaveAccount calls DeleteAccount::run() instead of directly deleting the account, you can use a mocking approach in your tests. This way, you can verify that the DeleteAccount::run() method is indeed being called. Here's how you can achieve this using PHPUnit and Laravel's built-in testing capabilities:

1. Mock the DeleteAccount action: You can use Laravel's Mockery to create a mock of the DeleteAccount class and set expectations on it.

2. Set expectations: Ensure that the run method is called with the correct parameters.

Here's an example of how you might write a test for this:

use App\Actions\Account\DeleteAccount;
use App\Actions\Account\LeaveAccount;
use App\Models\Account;
use Illuminate\Support\Facades\Auth;
use Mockery;
use Tests\TestCase;

class LeaveAccountTest extends TestCase
{
    public function testLeaveAccountCallsDeleteAccount()
    {
        // Create a mock for the DeleteAccount action
        $deleteAccountMock = Mockery::mock(DeleteAccount::class);
        
        // Set the expectation that the run method will be called once
        $deleteAccountMock->shouldReceive('run')
            ->once()
            ->with(Mockery::type(Account::class));

        // Bind the mock to the service container
        $this->app->instance(DeleteAccount::class, $deleteAccountMock);

        // Create a test account and user
        $account = Account::factory()->create();
        $user = User::factory()->create();

        // Attach the user to the account
        $account->users()->attach($user);

        // Simulate the user being authenticated
        Auth::shouldReceive('user')->andReturn($user);

        // Detach the user from the account
        $account->users()->detach($user);

        // Call the LeaveAccount action
        (new LeaveAccount())->handle($account);

        // Verify that the mock's expectations were met
        Mockery::close();
    }
}

Explanation:

• Mockery: We use Mockery to create a mock of the DeleteAccount class. This allows us to set expectations on the run method.

• Expectation: We expect the run method to be called exactly once with an instance of Account.

• Binding the Mock: We bind the mock to the Laravel service container, so when DeleteAccount::run() is called, it uses our mock instead of the actual class.

• Test Execution: We simulate the scenario where a user leaves an account, and we verify that DeleteAccount::run() is called when the account has no users left.

This approach ensures that your test will fail if LeaveAccount does not call DeleteAccount::run(), thus enforcing the desired behavior.