<?php
declare(strict_types=1);

namespace IQParts\CacheTest\Unit\Adapter;

use IQParts\Cache\Adapter\PredisAdapter;
use IQParts\Cache\Serializer\JsonSerializer;
use IQParts\CacheTest\AbstractTestCase;
use Predis\ClientInterface;

final class PredisAdapterTest extends AbstractTestCase
{
    public function testGet()
    {
        $client = $this->createMock(ClientInterface::class);
        $client
            ->expects($this->at(0))
            ->method('__call')
            ->with('get', ['a'])
            ->willReturn(null);

        /** @var ClientInterface $client */
        $cache = new PredisAdapter($client, new JsonSerializer());
        $this->assertNull($cache->get('a'));
    }

    public function testSet()
    {
        $client = $this->createMock(ClientInterface::class);
        $client
            ->expects($this->at(0))
            ->method('__call')
            ->with('set', ['a', 'b']);
        $client
            ->expects($this->at(1))
            ->method('__call')
            ->with('get', ['a'])
            ->willReturn('b');

        /** @var ClientInterface $client */
        $cache = new PredisAdapter($client, new JsonSerializer());
        $cache->set('a', 'b');
        $this->assertEquals('b', $cache->get('a'));
    }

    public function testDelete()
    {
        $client = $this->createMock(ClientInterface::class);
        $client
            ->expects($this->at(0))
            ->method('__call')
            ->with('set', ['a', 'b']);
        $client
            ->expects($this->at(1))
            ->method('__call')
            ->with('del', [['a']])
            ->willReturn(1);
        $client
            ->expects($this->at(2))
            ->method('__call')
            ->with('get', ['a'])
            ->willReturn(null);

        /** @var ClientInterface $client */
        $cache = new PredisAdapter($client, new JsonSerializer());
        $cache->set('a', 'b');
        $cache->delete('a');
        $this->assertNull($cache->get('a'));
    }

    public function testTtl()
    {
        $client = $this->createMock(ClientInterface::class);
        $client
            ->expects($this->at(0))
            ->method('__call')
            ->with('setex', ['a', 200, 'b']);
        $client
            ->expects($this->at(1))
            ->method('__call')
            ->with('ttl', ['a'])
            ->willReturn(200);

        /** @var ClientInterface $client */
        $cache = new PredisAdapter($client, new JsonSerializer());
        $cache->set('a', 'b', 200);
        $this->assertEquals(200, $cache->ttl('a'));
    }

    public function testKeys()
    {
        $client = $this->createMock(ClientInterface::class);
        $client
            ->expects($this->at(0))
            ->method('__call')
            ->with('set', ['a-keys', '1']);
        $client
            ->expects($this->at(1))
            ->method('__call')
            ->with('set', ['b-keys', '1']);
        $client
            ->expects($this->at(2))
            ->method('__call')
            ->with('keys', ['a*'])
            ->willReturn(['a-keys']);

        /** @var ClientInterface $client */
        $cache = new PredisAdapter($client, new JsonSerializer());
        $cache->set('a-keys', '1');
        $cache->set('b-keys', '1');
        $this->assertEquals(['a-keys'], $cache->keys('a*'));

    }
}