public async Task <QnAMakerResults> QueryServiceAsync(Uri uri, QnAMakerRequestBody postBody, string authKey)
{
//Extremely simplified for the sake of the workshop.
//Note in a production application, you would not want to continually create and dispose of HttpClient in this way!
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("Authorization", authKey);
var response = await client.PostAsync(uri, new StringContent(JsonConvert.SerializeObject(postBody), Encoding.UTF8, "application/json"));
var json = await response.Content.ReadAsStringAsync();
try
{
var jObject = JObject.Parse(json);
var answers = jObject["answers"];
if (answers == null)
{
return(new QnAMakerResults());
}
return(new QnAMakerResults(JsonConvert.DeserializeObject <List <QnAMakerResult> >(answers.ToString())));
}
catch (JsonException ex)
{
throw new ArgumentException("Unable to deserialize the QnA service response.", ex);
}
}
}
public async Task QnATests()
{
string text = "asd";
Uri uri = new Uri("http://test");
QnAMakerRequestBody postBody = new QnAMakerRequestBody();
string subscriptionKey;
QnAMakerResults qnaResults1 =
JsonConvert.DeserializeObject <QnAMakerResults>(
"{\"answers\":[{\"answer\":\"Test answer 1.1\",\"questions\":[\"Test question 1.1\",\"Test alternate phrase 1.1\"],\"score\":88.5},{\"answer\":\"Test answer 1.2\",\"questions\":[\"Test question 1.2\",\"Test alternate phrase 1.2\"],\"score\":58.3},{\"answer\":\"Test answer 1.3\",\"questions\":[\"Test question 1.3\",\"Test alternate phrase 1.3\"],\"score\":42.7}]}");
string expectedResponse1 =
"Test answer 1.1";
Mock <IQnAService> qnaServiceMock1 = new Mock <IQnAService>();
qnaServiceMock1.Setup(x => x.QueryServiceAsync(It.IsAny <Uri>(), It.IsAny <QnAMakerRequestBody>(), It.IsAny <string>())).ReturnsAsync(qnaResults1);
QnAMakerResults qnaResults2 =
JsonConvert.DeserializeObject <QnAMakerResults>(
"{\"answers\":[{\"answer\":\"Test answer 2.1\",\"questions\":[\"Test question 2.1\",\"Test alternate phrase 2.1\"],\"score\":98.5},{\"answer\":\"Test answer 2.2\",\"questions\":[\"Test question 2.2\",\"Test alternate phrase 2.2\"],\"score\":78.3},{\"answer\":\"Test answer 2.3\",\"questions\":[\"Test question 2.3\",\"Test alternate phrase 2.3\"],\"score\":40.5}]}");
string expectedResponse2 =
"Test answer 2.1";
Mock <IQnAService> qnaServiceMock2 = new Mock <IQnAService>();
qnaServiceMock2.Setup(x => x.QueryServiceAsync(It.IsAny <Uri>(), It.IsAny <QnAMakerRequestBody>(), It.IsAny <string>())).ReturnsAsync(qnaResults2);
var qnaDialog1 = new QnADialog(qnaServiceMock1.Object);
await this.TestQnADialogResponse(qnaDialog1, expectedResponse1);
var qnaDialog2 = new QnADialog(qnaServiceMock1.Object, qnaServiceMock2.Object);
await this.TestQnADialogResponse(qnaDialog2, expectedResponse2);
return;
}
public Uri BuildRequest(string queryText, out QnAMakerRequestBody postBody, out string authKey)
{
var builder = new UriBuilder($"{_qnaHost}/knowledgebases/{_qnAMakerAttribute.KnowledgebaseId}/generateAnswer");
postBody = new QnAMakerRequestBody {
question = queryText, top = _qnAMakerAttribute.Top
};
authKey = _qnAMakerAttribute.AuthKey;
return(builder.Uri);
}
