public void GetBlobSasUrl_CloudBlobName_SasUrlReturned()
{
string blobName = NewRandomString();
string sharedAccessKey = NewRandomString();
string uri = NewRandomUrl();
_blobContainerRepository.Setup(_ => _.GetBlockBlobReference(blobName, It.IsAny <string>()))
.Returns(_cloudBlob.Object);
_cloudBlob.Setup(_ => _.GetSharedAccessSignature(It.IsAny <SharedAccessBlobPolicy>()))
.Returns(sharedAccessKey);
_cloudBlob.Setup(_ => _.Uri).Returns(new Uri(uri));
string sasUrl = _blobClient.GetBlobSasUrl(blobName, new DateTimeOffset(), new SharedAccessBlobPermissions());
sasUrl.Should()
.Be($"{uri}{sharedAccessKey}");
}