public async Task LaunchASimpleRequestWithQarantainValuesMustSuccess()
{
FakeHTTPHandler handler = new FakeHTTPHandler();
handler.ReturnMessage = "responseSuccess";
handler.ReturnStatusCodeList = new List <HttpStatusCode>()
{
HttpStatusCode.InternalServerError, HttpStatusCode.InternalServerError, HttpStatusCode.InternalServerError, HttpStatusCode.Accepted
};
IDnsServiceExtractor extract = new DnsServiceExtractorFirstLabelConvention(ProtocolType.Tcp);
FakeDnsSrvQuerier querier = new FakeDnsSrvQuerier();
var dnsHandler = new DnsServiceBalancingMessageHandler(extract.FromUri(new Uri("https://api.qarnot.com")), new DnsServiceTargetSelectorReal(querier, new DnsSrvSortResult(), 10), new TargetQuarantinePolicyServerUnavailable(), null);
// add the fake handle
dnsHandler.InnerHandler = handler;
// wrapper used to send the chosen request
using HandlerWrapper handlerWrapper = new HandlerWrapper();
handlerWrapper.InnerHandler = dnsHandler;
// create the request
using var requestMessage = new HttpRequestMessage(new HttpMethod("Get"), "https://hello.world.com");
// get the result
var result = await handlerWrapper.Send(requestMessage, default(CancellationToken));
var content = await result.Content.ReadAsStringAsync();
Assert.AreEqual("responseSuccess", content);
Assert.AreEqual(HttpStatusCode.Accepted, result.StatusCode);
Assert.AreEqual(querier.DnsSrvResultEntryList[3].HostName, handler.UrlCall.Host);
}
public async Task LaunchErrorUseTheOriginalUriIfNoDnsServerWork()
{
var logger = CreateLoggers.CreateILoggerFromNLog();
FakeHTTPHandler handler = new FakeHTTPHandler();
handler.ReturnMessage = "responseSuccess";
handler.ReturnStatusCodeList = new List <HttpStatusCode>()
{
HttpStatusCode.InternalServerError
};
IDnsServiceExtractor extract = new DnsServiceExtractorFirstLabelConvention(ProtocolType.Tcp);
FakeDnsSrvQuerier querier = new FakeDnsSrvQuerier();
var dnsHandler = new DnsServiceBalancingMessageHandler(extract.FromUri(new Uri("https://api.qarnot.com")), new DnsServiceTargetSelectorReal(querier, new DnsSrvSortResult(), 10, logger), new TargetQuarantinePolicyServerUnavailable(new TimeSpan(0, 0, 10)), logger);
// add the fake handle
dnsHandler.InnerHandler = handler;
// wrapper used to send the chosen request
using HandlerWrapper handlerWrapper = new HandlerWrapper();
handlerWrapper.InnerHandler = dnsHandler;
// create the request
using var requestMessage1 = new HttpRequestMessage(new HttpMethod("Get"), "https://hello.world.com");
// get the result
var result = await handlerWrapper.Send(requestMessage1, default(CancellationToken));
var content = await result.Content.ReadAsStringAsync();
Assert.AreEqual(result.StatusCode, HttpStatusCode.InternalServerError);
Assert.AreEqual("hello.world.com", handler.UrlCall.Host);
handler.ReturnStatusCodeList = new List <HttpStatusCode>()
{
HttpStatusCode.Accepted
};
using var requestMessage2 = new HttpRequestMessage(new HttpMethod("Get"), "https://hello.world.com");
result = await handlerWrapper.Send(requestMessage2, default(CancellationToken));
content = await result.Content.ReadAsStringAsync();
Assert.AreEqual("responseSuccess", content);
Assert.AreEqual(result.StatusCode, HttpStatusCode.Accepted);
Assert.AreEqual("hello.world.com", handler.UrlCall.Host);
}
public HandlerWrapper WrapDnsHandler(DelegatingHandler dnsHandler, string successResponse)
{
if (dnsHandler == null)
{
throw new ArgumentNullException(nameof(dnsHandler));
}
FakeHTTPHandler handler = new FakeHTTPHandler();
handler.ReturnMessage = successResponse;
// add the fake handle
dnsHandler.InnerHandler = handler;
// wrapper used to send the chosen request
HandlerWrapper handlerWrapper = new HandlerWrapper();
handlerWrapper.InnerHandler = dnsHandler;
return(handlerWrapper);
}