/**
* Test setting a value if it does not exists yet
*/
public function testSetNx()
{
$this->redis->del('testSetNx');
$isSet = $this->redis->setnx('testSetNx', 'someValue');
$this->assertTrue($isSet, 'First time setting a key with setnx should be successful');
$this->assertInternalType('bool', $isSet);
$isSet = $this->redis->setnx('testSetNx', 'anotherValue');
$this->assertFalse($isSet, 'Second time setting a key with setnx should not be successful');
$this->assertInternalType('bool', $isSet);
$this->assertEquals('someValue', $this->redis->get('testSetNx'), 'The second set should not have changed the value');
}
