public async Task Test()
{
//设置返回响应
var response = @"<xml>
<return_code><![CDATA[SUCCESS]]></return_code>
<return_msg><![CDATA[OK]]></return_msg>
<appid><![CDATA[wx9b90e1788b39fec6]]></appid>
<mch_id><![CDATA[1985518532]]></mch_id>
<nonce_str><![CDATA[wrKodsjUFk34qYno]]></nonce_str>
<sign><![CDATA[5F721ADF22DD2C60B4E171228F8DA36E]]></sign>
<result_code><![CDATA[SUCCESS]]></result_code>
<prepay_id><![CDATA[wx141217433636466fe2c3b2a10139084028]]></prepay_id>
<trade_type><![CDATA[APP]]></trade_type>
</xml>";
//操作
var result = new WechatpayResult(new TestConfigProvider(), response);
//验证
Assert.Equal("SUCCESS", result.GetReturnCode());
Assert.Equal("OK", result.GetReturnMessage());
Assert.Equal("wx9b90e1788b39fec6", result.GetAppId());
Assert.Equal("1985518532", result.GetMerchantId());
Assert.Equal("wrKodsjUFk34qYno", result.GetNonce());
Assert.Equal("5F721ADF22DD2C60B4E171228F8DA36E", result.GetSign());
Assert.Equal("SUCCESS", result.GetResultCode());
Assert.Equal("wx141217433636466fe2c3b2a10139084028", result.GetPrepayId());
Assert.Equal("APP", result.GetTradeType());
var isValid = (await result.ValidateAsync()).IsValid;
Assert.True(isValid);
}