public void ToQueryString_WhenToIsInvalid_ExpectException(params string[] data)
{
var rp = new RequestParameter();
rp.To = data;
Assert.Throws <Exception>(() => rp.ToQueryString());
}
public void ToQueryString_WhenToIsValid_ExpectCorrectQueryString(string expected, params string[] data)
{
var rp = new RequestParameter();
rp.To = data;
var qs = rp.ToQueryString();
Assert.Equal(expected, qs);
}
/// <summary>
/// Translates the content.
/// </summary>
/// <param name="content">The content. (Max.: 25 items)</param>
/// <param name="options">The options.</param>
/// <returns>
/// The translated content
/// </returns>
public async Task <IList <ResponseBody> > TranslateAsync(IEnumerable <RequestContent> content, RequestParameter options)
{
if (content.Count() > MaxNumberOfRequestContent)
{
throw new Exception($"Maximum amount of text to be translated have been reached (Max: {MaxNumberOfRequestContent})");
}
else if (string.Join(string.Empty, content).Length > MaxNumberOfCharacterPerRequest)
{
throw new Exception($"Maximum length of all the text to be translated is {MaxNumberOfCharacterPerRequest} characters.");
}
var qs = options.ToQueryString();
using (var request = new HttpRequestMessage(HttpMethod.Post, $"{UriExtensionPath}?{qs}"))
{
var requestBody = JsonConvert.SerializeObject(content.ToList());
// For the request, don't forget the request header stuff.
request.Content = new StringContent(requestBody, Encoding.UTF8, Constants.RequestMediaType);
// Todo We should be alternating between the subscription key. When we detect it's not working.
request.Headers.Add(Constants.RequestHeaderSubscriptionKey, _cognitiveServiceConfig.SubscriptionKey);
request.Headers.Add(Constants.RequestHeaderSubscriptionRegion, _cognitiveServiceConfig.SubscriptionRegion);
using (var response = await _httpClient.SendAsync(request).ConfigureAwait(false))
{
if (response.IsSuccessStatusCode)
{
var responseBody = await response.Content.ReadAsStringAsync();
var result = JsonConvert.DeserializeObject <List <ResponseBody> >(responseBody);
return(result);
}
else
{
var message = $"Problem happened during translation. " +
$"Status code: {response.StatusCode}, " +
$"Reason: {response.ReasonPhrase}";
var exception = new TranslateException(message);
exception.ParseResponseError(response);
throw exception;
}
}
}
}