public async Task <IDictionary <string, SentimentResult> > GetBatchSentimentAsync(Dictionary <string, string> textBatch)
{
this.ValidateBatchRequest(textBatch);
if (!textBatch.Any())
{
return(new Dictionary <string, SentimentResult>());
}
string content;
using (var response = await this._requestor.PostAsync(Constants.SentimentBatchRequest, BuildInputString(textBatch)))
{
content = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
return(textBatch.ToDictionary(r => r.Key, r => SentimentResult.Build(this._errorMessageGenerator.GenerateError(response.StatusCode, content))));
}
}
var result = JsonConvert.DeserializeObject <AzureSentimentBatchResult>(content);
var parsedResults = result.SentimentBatch.ToDictionary(sr => sr.Id, sr => SentimentResult.Build(sr.Score));
foreach (var error in result.Errors)
{
parsedResults.Add(error.Id, SentimentResult.Build(error.Message));
}
return(parsedResults);
}
public async Task DecodeResponse()
{
var expected = SentimentResult.Build(1M);
var sut = TextAnalyticsTestHelper.BuildSut(GetMessage());
var result = await sut.GetSentimentAsync(Input);
Assert.AreEqual(expected, result);
}
public async Task ReturnBadRequestIfEmptyInput()
{
var expected = SentimentResult.Build(Constants.SentimentNullInputErrorText);
var sut = TextAnalyticsTestHelper.BuildSut(GetMessage());
var result = await sut.GetSentimentAsync(null);
Assert.AreEqual(expected, result);
}
public async Task GetResultFromAzure()
{
var expected = SentimentResult.Build(0.9742637M);
const string Input = "This is very positive text because I love this service";
var sut = ServiceFactory.Build();
var result = await sut.GetSentimentAsync(Input);
Assert.AreEqual(expected, result);
}
public async Task ReturnFailureOnBadResult()
{
var error = new ErrorMessageGenerator().GenerateError(HttpStatusCode.BadRequest, Error);
var expected = SentimentResult.Build(error);
var sut = TextAnalyticsTestHelper.BuildSut(TextAnalyticsTestHelper.GetErrorMessage(Error));
var result = await sut.GetSentimentAsync(Input);
Assert.AreEqual(expected, result);
}
public async Task DecodeResponse()
{
var expected = new Dictionary <string, SentimentResult>
{
{ "1", SentimentResult.Build(0.9549767M) },
{ "2", SentimentResult.Build(0.7767222M) },
{ "3", SentimentResult.Build(0.8988889M) },
{ "4", SentimentResult.Build("Record cannot be null/empty") }
};
var sut = TextAnalyticsTestHelper.BuildSut(GetMessage());
var result = await sut.GetBatchSentimentAsync(this._input);
CollectionAssert.AreEquivalent(expected, result.ToList());
}
public async Task ReturnAllFailureOnBadResult()
{
var err = new ErrorMessageGenerator().GenerateError(HttpStatusCode.BadRequest, Error);
var expected = new Dictionary <string, SentimentResult>
{
{ "1", SentimentResult.Build(err) },
{ "2", SentimentResult.Build(err) },
{ "3", SentimentResult.Build(err) },
{ "4", SentimentResult.Build(err) }
};
var sut = TextAnalyticsTestHelper.BuildSut(TextAnalyticsTestHelper.GetErrorMessage(Error));
var result = await sut.GetBatchSentimentAsync(this._input);
CollectionAssert.AreEqual(expected, result.ToList());
}
public async Task GetResultFromAzure()
{
var input = new Dictionary <string, string>
{
{ "1", "This is very positive text because I love this service" },
{ "2", "Test is very bad because I hate this service" },
{ "3", "The service was OK, nothing special, I've had better" },
{ "4", "" }
};
var expected = new Dictionary <string, SentimentResult>
{
{ "1", SentimentResult.Build(0.9742637M) },
{ "2", SentimentResult.Build(0.03089833M) },
{ "3", SentimentResult.Build(0.4267564M) },
{ "4", SentimentResult.Build("Record cannot be null/empty") }
};
var sut = ServiceFactory.Build();
var result = await sut.GetBatchSentimentAsync(input);
CollectionAssert.AreEquivalent(expected, result.ToList());
}
public async Task <SentimentResult> GetSentimentAsync(string text)
{
if (string.IsNullOrWhiteSpace(text))
{
return(SentimentResult.Build(Constants.SentimentNullInputErrorText));
}
var request = $"{Constants.SentimentRequest}{HttpUtility.UrlEncode(text)}";
string content;
using (var response = await this._requestor.GetAsync(request))
{
content = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
return(SentimentResult.Build(this._errorMessageGenerator.GenerateError(response.StatusCode, content)));
}
}
var result = JsonConvert.DeserializeObject <AzureSentimentResult>(content);
return(SentimentResult.Build(result.Score));
}
