function test_verify_referrer() { $form = new Form(); $_SERVER['HTTP_HOST'] = 'www.test.com'; $_SERVER['HTTP_REFERER'] = 'http://www.test.com/app/foo'; $this->assertTrue($form->verify_referrer()); $_SERVER['HTTP_REFERER'] = 'http://www.other.com/foo.bar'; $this->assertFalse($form->verify_referrer()); }