public void AnalyzeImageTest()
{
using (MockContext context = MockContext.Start(this.GetType().FullName))
{
HttpMockServer.Initialize(this.GetType().FullName, "AnalyzeImageTest");
using (IComputerVisionClient client = GetComputerVisionClient(HttpMockServer.CreateInstance()))
{
ImageAnalysis result = client.AnalyzeImageAsync(
GetTestImageUrl("house.jpg"),
new List <VisualFeatureTypes>()
{
VisualFeatureTypes.Adult,
VisualFeatureTypes.Categories,
VisualFeatureTypes.Color,
VisualFeatureTypes.Faces,
VisualFeatureTypes.ImageType,
VisualFeatureTypes.Tags
})
.Result;
Assert.Equal("grass", result.Tags[0].Name);
Assert.True(result.Tags[0].Confidence > 0.9);
Assert.Equal("Jpeg", result.Metadata.Format);
Assert.False(result.Adult.IsAdultContent);
Assert.False(result.Adult.IsRacyContent);
Assert.True(result.Adult.AdultScore < 0.1);
Assert.True(result.Adult.RacyScore < 0.1);
Assert.Equal("building_", result.Categories[0].Name);
Assert.True(result.Categories[0].Score > 0.5);
Assert.Equal("Green", result.Color.DominantColorBackground);
Assert.Equal("Green", result.Color.DominantColorForeground);
}
}
}
public void AnalyzeImageInvalidUrlTest()
{
using (MockContext context = MockContext.Start(this.GetType()))
{
HttpMockServer.Initialize(this.GetType(), "AnalyzeImageInvalidUrlTest");
using (IComputerVisionClient client = GetComputerVisionClient(HttpMockServer.CreateInstance()))
{
try
{
ImageAnalysis result = client.AnalyzeImageAsync(
"https://invalidurl",
new List <VisualFeatureTypes?>()
{
VisualFeatureTypes.Categories
})
.Result;
}
catch (Exception ex) when(ex.InnerException is ComputerVisionErrorResponseException cverex)
{
Assert.Equal("InvalidImageUrl", cverex.Body.Error.Innererror.Code);
}
}
}
}
public void AnalyzeImageNullImageTest()
{
using (MockContext context = MockContext.Start(this.GetType()))
{
HttpMockServer.Initialize(this.GetType(), "AnalyzeImageNullImageTest");
using (IComputerVisionClient client = GetComputerVisionClient(HttpMockServer.CreateInstance()))
{
Assert.ThrowsAsync <ValidationException>(() => client.AnalyzeImageAsync(null));
}
}
}
public async Task <Result <ImageAnalysis, Error> > AnalyzeFaces(string imageUrl, List <VisualFeatureTypes> features)
{
if (!Uri.IsWellFormedUriString(imageUrl, UriKind.Absolute))
{
return(Error(UnknownError("Badly formed url")));
}
var analysis = await ImageAnalysisClient.AnalyzeImageAsync(imageUrl, features);
Logger.LogWarning("Response: {@analysis}", analysis);
return(Ok(analysis));
}
private static async Task <ImageAnalysis> AnalyzeAsync(IComputerVisionClient computerVision, string imageUrl, ILogger log)
{
if (!Uri.IsWellFormedUriString(imageUrl, UriKind.Absolute))
{
log.LogError(
"Invalid remoteImageUrl: {0}", imageUrl);
return(null);
}
ImageAnalysis analysis =
await computerVision.AnalyzeImageAsync(imageUrl, Features);
return(analysis);
}
public async Task <ImageAnalysis> AnalyzePhoto(string imageUrl)
{
var uri = new Uri(imageUrl);
if (PhotoNeedsToBeDownloaded(uri))
{
return(await DownloadAndAnalyzePhoto(uri));
}
else
{
var analysis = await _computerVisionClient.AnalyzeImageAsync(
imageUrl, AnalysisFeatures);
return(analysis);
}
}
public async Task <ImageAnalysis> AnalyzeImageFromUrlAsync(string url)
{
return(await _computerVisionClient.AnalyzeImageAsync(url, VisualFeatures));
}