public async Task GetProviderFundingVersionsBody_GivenGetBlobReferenceCausesException_LogsAndReturnsInternalServerError()
{
//Arrange
ILogger logger = CreateLogger();
IBlobClient blobClient = CreateBlobClient();
blobClient
.BlobExistsAsync(blobName)
.Returns(true);
blobClient
.GetBlobReferenceFromServerAsync(blobName)
.Throws(new Exception());
string errorMessage = $"Failed to fetch blob '{blobName}' from azure storage";
ProviderFundingVersionService service = CreateProviderFundingVersionService(logger, blobClient);
//Act
IActionResult result = await service.GetProviderFundingVersion(providerFundingVersion);
//Assert
result
.Should()
.BeAssignableTo <InternalServerErrorResult>()
.Which
.Value
.Should()
.Be(errorMessage);
logger
.Received(1)
.Error(Arg.Any <Exception>(), Arg.Is(errorMessage));
}
public async Task GetProviderFundingVersionsBody_GivenNullOrEmptyId_ReturnsBadRequest()
{
//Arrange
string id = "";
ProviderFundingVersionService service = CreateProviderFundingVersionService();
//Act
IActionResult result = await service.GetProviderFundingVersion(id);
//Assert
result
.Should()
.BeAssignableTo <BadRequestObjectResult>()
.Which
.Value
.Should()
.Be("Null or empty id provided.");
}
public async Task GetProviderFundingVersionsBody_GivenBlobDoesNotExists_ReturnsNotFound()
{
//Arrange
ILogger logger = CreateLogger();
IBlobClient blobClient = CreateBlobClient();
ProviderFundingVersionService service = CreateProviderFundingVersionService(logger, blobClient);
//Act
IActionResult result = await service.GetProviderFundingVersion(providerFundingVersion);
//Assert
result
.Should()
.BeAssignableTo <NotFoundResult>();
logger
.Received(1)
.Error(Arg.Is($"Blob '{blobName}' does not exist."));
}
public async Task GetProviderFundingVersionsBody_GivenReturnsFromBlobStorage_ReturnsOK(bool isFileSystemCacheEnabled,
int expectedCacheAddCount)
{
//Arrange
string template = "just a string";
byte[] bytes = Encoding.UTF8.GetBytes(template);
Stream memoryStream = new MemoryStream(bytes);
ILogger logger = CreateLogger();
ICloudBlob cloudBlob = CreateBlob();
IFileSystemCache fileSystemCache = CreateFileSystemCache();
IExternalApiFileSystemCacheSettings cacheSettings = Substitute.For <IExternalApiFileSystemCacheSettings>();
cacheSettings.IsEnabled.Returns(isFileSystemCacheEnabled);
IBlobClient blobClient = CreateBlobClient();
blobClient
.BlobExistsAsync(blobName)
.Returns(true);
blobClient
.GetBlobReferenceFromServerAsync(blobName)
.Returns(cloudBlob);
blobClient
.DownloadToStreamAsync(cloudBlob)
.Returns(memoryStream);
ProviderFundingVersionService service = CreateProviderFundingVersionService(logger, blobClient, fileSystemCache, cacheSettings);
//Act
IActionResult result = await service.GetProviderFundingVersion(providerFundingVersion);
//Assert
result
.Should()
.BeOfType <ContentResult>();
ContentResult contentResult = result as ContentResult;
contentResult
.ContentType
.Should()
.Be("application/json");
contentResult
.StatusCode
.Should()
.Be((int)HttpStatusCode.OK);
contentResult
.Content
.Should()
.Be(template);
fileSystemCache
.Received(expectedCacheAddCount)
.Add(Arg.Is <ProviderFundingFileSystemCacheKey>(_ => _.Key == providerFundingVersion),
memoryStream,
CancellationToken.None);
}
public async Task GetProviderFundingVersionsBody_GivenReturnsFromFileSystemCacheAndSkipBlobClientFetch_ReturnsOK()
{
//Arrange
string template = "just a string";
byte[] bytes = Encoding.UTF8.GetBytes(template);
Stream memoryStream = new MemoryStream(bytes);
ILogger logger = CreateLogger();
IFileSystemCache fileSystemCache = CreateFileSystemCache();
IBlobClient blobClient = CreateBlobClient();
fileSystemCache.Exists(Arg.Is <ProviderFundingFileSystemCacheKey>(
_ => _.Key == providerFundingVersion))
.Returns(true);
fileSystemCache.Get(Arg.Is <ProviderFundingFileSystemCacheKey>(
_ => _.Key == providerFundingVersion))
.Returns(memoryStream);
ProviderFundingVersionService service = CreateProviderFundingVersionService(logger, blobClient, fileSystemCache);
//Act
IActionResult result = await service.GetProviderFundingVersion(providerFundingVersion);
//Assert
result
.Should()
.BeOfType <ContentResult>();
ContentResult contentResult = result as ContentResult;
contentResult
.ContentType
.Should()
.Be("application/json");
contentResult
.StatusCode
.Should()
.Be((int)HttpStatusCode.OK);
contentResult
.Content
.Should()
.Be(template);
await blobClient
.Received(0)
.BlobExistsAsync(providerFundingVersion);
await blobClient
.Received(0)
.GetAsync(Arg.Any <string>());
fileSystemCache
.Received(0)
.Add(Arg.Is <ProviderFundingFileSystemCacheKey>(_ => _.Key == providerFundingVersion),
memoryStream,
CancellationToken.None);
}