public void S3Service_AmazonClient_IsPassed_Correct_Request()
{
// Arrange
var mockAmazonClient = Substitute.For <IAmazonS3>();
var s3Service = new S3Service(mockAmazonClient);
mockAmazonClient.GetObjectAsync(Arg.Any <GetObjectRequest>()).Returns(new GetObjectResponse());
var expectedRequest = new GetObjectRequest
{
BucketName = "webapp-images-bucket",
Key = "DenverCP.jpg"
};
// Act
// only testing what's passed to the client and not making actual request
// so doesn't need to be awaited
s3Service.GetImageFromS3(_configuration, "DenverImage");
// Assert
mockAmazonClient
.Received(1)
.GetObjectAsync(Arg.Is <GetObjectRequest>(request => RequestDataPropertiesMatch(request, expectedRequest)));
}