DomFramework/Tests/cachefileTest.php

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

/** Test the cache.php file */
class test_cachefile extends PHPUnit_Framework_TestCase
{
  public function __construct ()
  {
    // Removing the cache file if it previously exists
    $c = new cachefile ();
    $c->directory = "/tmp/cache";
    $res = $c->delete ("id");
  }

  // 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 3s 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
  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");
  }
}