RedisDataProviderTestInitial.php

<?php
namespace Trovit\B2B\AdClick\Tests\integration\Infrastructure;

use PHPUnit\Framework\TestCase;
// some other imports

class RedisDataProviderTest extends TestCase
{
    // some fields...

    /** * @test */
    public function data_expire_after_some_time()
    {
        $currentTimestamp = '2019-06-01 10:00:00';
        $this->clock->now()->willReturn($currentTimestamp);
        $dataProvider = new RedisDataProvider(
            new PhpRedisClient(), 
            $this->clock->reveal(),
            $this->tts
        );

        $data = $dataProvider->registerData($this->keyData, 1);

        $expectedData = [
            'data' => 1,
            'timestamp' => $currentTimestamp
        ];
        $this->assertEquals($expectedData, $data);
        $this->assertEquals($expectedData, $this->redis->hGetAll($this->key));
        sleep(5.0); // <- waiting for the data to expire
        $this->assertTrue(empty($this->redis->hGetAll($this->key)));
    }
    
    // other tests...
    
    public function setUp()
    {
        $this->keyData = 'some data';
        $this->key = 'data:' . $this->keyData;
        $this->tts = 1;
        $this->clock = $this->prophesize(Clock::class);
        $this->connectToRedis();
    }
}