public function testValid()
{
$_GET = array('timestamp' => 1397911023, 'nonce' => 2056994866, 'signature' => 'f97c166a920dc3196fadb9e668ed91ed8a593bfe');
$request = new Wechat\Request('token');
$this->assertTrue($request->valid());
$request = new Wechat\Request('error');
$this->assertFalse($request->valid());
}
public function testCreateUrl()
{
$client = new Wechat\Client('http://example.com', 'token');
$url = parse_url($client->createUrl());
parse_str($url['query'], $url['query']);
$this->assertEquals(Wechat\Request::createSignature($client->token, $url['query']['timestamp'], $url['query']['nonce']), $url['query']['signature']);
}