<?php

/** DomFramework - Tests
  * @package domframework
  * @author Dominique Fournier <dominique@fournier38.fr>
  * @license BSD
  */

namespace Domframework\Tests;

use Domframework\Cachefile;

/** Test the Cachefile.php file */
class CachefileTest extends \PHPUnit_Framework_TestCase
{
    public function testInit()
    {
      // Removing the cache file if it previously exists
        exec("rm -rf /tmp/cache");
    }

  // Unknown cache file : return FALSE
    public function testRead1()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->read("id");
        $this->assertFalse($res);
    }

  // Write in cache file
    public function testWrite1()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->write("id", "DATA_TO_STORE", 3);
        $this->assertTrue($res);
    }

  // Previous cache file : return DATA_TO_STORE
    public function testRead2()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->read("id");
        $this->assertSame("DATA_TO_STORE", $res);
    }

  // Sleep 4s to expire the cache
    public function testWait1()
    {
        sleep(4);
    }

  // Previous cache file but expired : return false
    public function testRead3()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->read("id");
        $this->assertFalse($res);
    }

  // Write in cache file
    public function testWrite2()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->write("id", "DATA_TO_STORE", 30);
        $this->assertTrue($res);
    }

  // Create stale lock
    public function testLock1()
    {
        touch("/tmp/cache/" . sha1("id") . ".lock");
    }

  // Previous cache in time file but lock : return content after lock timeout
  // This test takes 10s to wait the lock which will never be released
    public function testRead4()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->read("id");
        $this->assertSame("DATA_TO_STORE", $res);
    }

    public function testDel1()
    {
        $c = new Cachefile();
        $c->directory = "/tmp/cache";
        $res = $c->delete("id");
    }
}