public void ThrowOnAnyError_MultipleErrors()
{
var response = new BatchAnnotateImagesResponse
{
Responses =
{
new AnnotateImageResponse {
Error = new Rpc.Status{
Message = "Boom"
}
},
new AnnotateImageResponse {
TextAnnotations = { new EntityAnnotation{
Description = "X"
} }
},
new AnnotateImageResponse {
Error = new Rpc.Status{
Message = "Bang"
}
}
}
};
var exception = Assert.Throws <AggregateException>(() => response.ThrowOnAnyError());
var nestedExceptions = exception.InnerExceptions.Cast <AnnotateImageException>().ToList();
Assert.Equal(2, nestedExceptions.Count);
Assert.Equal("Boom", nestedExceptions[0].Message);
Assert.Equal("Bang", nestedExceptions[1].Message);
Assert.Same(response.Responses[0], nestedExceptions[0].Response);
// response.Responses[1] is skipped as it had no error.
Assert.Same(response.Responses[2], nestedExceptions[1].Response);
}
public void ThrowOnAnyError()
{
// Snippet: ThrowOnAnyError
Image image = new Image(); // No content or source!
// Just a single request in this example, but usually BatchAnnotateImages would be
// used with multiple requests.
var request = new AnnotateImageRequest
{
Image = image,
Features = { new Feature {
Type = Feature.Types.Type.SafeSearchDetection
} }
};
ImageAnnotatorClient client = ImageAnnotatorClient.Create();
try
{
BatchAnnotateImagesResponse response = client.BatchAnnotateImages(new[] { request });
// ThrowOnAnyError will throw if any individual response in response.Responses
// contains an error. Other responses may still have useful results.
// Errors can be detected manually by checking the Error property in each
// individual response.
response.ThrowOnAnyError();
}
catch (AggregateException e)
{
// Because a batch can have multiple errors, the exception thrown is AggregateException.
// Each inner exception is an AnnotateImageException
foreach (AnnotateImageException innerException in e.InnerExceptions)
{
Console.WriteLine(innerException.Response.Error);
}
}
// End snippet
}
public void ThrowOnAnyError_NoErrors()
{
var response = new BatchAnnotateImagesResponse
{
Responses =
{
new AnnotateImageResponse {
TextAnnotations = { new EntityAnnotation {
Description = "X"
} }
},
new AnnotateImageResponse {
LandmarkAnnotations = { new EntityAnnotation {
Description = "Y"
} }
},
}
};
Assert.Same(response, response.ThrowOnAnyError());
}
public void ThrowOnAnyError_OneError()
{
var response = new BatchAnnotateImagesResponse
{
Responses =
{
new AnnotateImageResponse {
TextAnnotations = { new EntityAnnotation{
Description = "X"
} }
},
new AnnotateImageResponse {
Error = new Rpc.Status{
Message = "Bang"
}
}
}
};
var exception = Assert.Throws <AggregateException>(() => response.ThrowOnAnyError());
var nestedException = (AnnotateImageException)exception.InnerExceptions[0];
Assert.Equal("Bang", nestedException.Message);
Assert.Same(response.Responses[1], nestedException.Response);
}