public function testAddNamespace()
{
$data = array('field1' => 'abc', 'field2' => '123', 'field3' => '123');
$validators = array('field1' => 'MyDigits', 'field2' => 'MyDigits', 'field3' => 'digits');
$options = array(Zend_Filter_Input::NAMESPACE => 'TestNamespace');
$ip = get_include_path();
$dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . '_files';
$newIp = $dir . PATH_SEPARATOR . $ip;
set_include_path($newIp);
$input = new Zend_Filter_Input(null, $validators, $data);
$input->addNamespace('TestNamespace');
$this->assertFalse($input->hasMissing(), 'Expected hasMissing() to return false');
$this->assertTrue($input->hasInvalid(), 'Expected hasInvalid() to return true');
$this->assertFalse($input->hasUnknown(), 'Expected hasUnknown() to return false');
$this->assertTrue($input->hasValid(), 'Expected hasValid() to return true');
set_include_path($ip);
$this->assertEquals('123', (string) $input->field2);
$this->assertEquals('123', (string) $input->field3);
$messages = $input->getMessages();
$this->assertType('array', $messages);
$this->assertThat($messages, $this->arrayHasKey('field1'));
$this->assertEquals("'abc' contains not only digit characters", $messages['field1'][0]);
}
