// virtual to allow mocking
public virtual Task <NegotiationResponse> GetNegotiationResponse(IHttpClient httpClient, IConnection connection, string connectionData)
{
if (httpClient == null)
{
throw new ArgumentNullException("httpClient");
}
if (connection == null)
{
throw new ArgumentNullException("connection");
}
var negotiateUrl = UrlBuilder.BuildNegotiate(connection, connectionData);
// httpClient.Initialize(connection);
return(httpClient.Get(negotiateUrl, connection.PrepareRequest, isLongRunning: false)
.Then(response => response.ReadAsString())
.Then(raw =>
{
if (String.IsNullOrEmpty(raw))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, "Resources.Error_ServerNegotiationFailed"));
}
return NegotiationResponse.FromJson(JSON.Parse(raw));
}));
}
