Laravel File Upload API Test

SubscribersTest.php

<?php

use Illuminate\Http\UploadedFile;
use Illuminate\Foundation\Testing\WithoutMiddleware;
use Illuminate\Foundation\Testing\DatabaseMigrations;

class SubscribersTest extends TestCase
{
    use DatabaseMigrations, WithoutMiddleware;

    /**
     * @test
     *
     * POST: /api/subscribers/csv/import
     */
    public function it_should_import_subscribers_from_csv_file()
    {
        $file = $this->getUploadableFile(base_path("tests/fixtures/subscribers/dummySubscribers.csv"));

        $response = $this->actingAs($this->user)
            ->call('POST', '/api/subscribers/csv/import', [], [], ['csv' => $file], []);


        $responseData = json_decode($response->getContent());

        $this->assertEquals($responseData->message, 'Subscribers has been imported successfully');

        $this->assertEquals($responseData->status_code, 200);

        $this->assertResponseOk();

        $this->seeInDatabase('subscribers', [
            'email' => '[email protected]'
        ]);

        $this->seeInDatabase('subscribers', [
            'email' => '[email protected]'
        ]);
    }
    
     /**
     * Get uploadable file.
     *
     * @return UploadedFile
     */
    protected function getUploadableFile($file)
    {
        $dummy = file_get_contents($file);

        file_put_contents(base_path("tests/" . basename($file)), $dummy);

        $path = base_path("tests/" . basename($file));
        $original_name = 'subscribers.csv';
        $mime_type = 'text/csv';
        $size = 111;
        $error = null;
        $test = true;

        $file = new UploadedFile($path, $original_name, $mime_type, $size, $error, $test);

        return $file;
    }
}

Great job