public async Task DownloadAsync_ReturnsFileStreamResult()
{
const string expectedContentType = "test/content-type";
using var expectedStream = new MemoryStream(Encoding.UTF8.GetBytes("Hello world!"));
var azureBlobStorageSettings = new AzureBlobStorageSettings();
azureBlobStorageSettings.DocumentDirectory = "non-solution";
var downloadInfo = new Mock <IDocument>();
downloadInfo.Setup(d => d.Content).Returns(expectedStream);
downloadInfo.Setup(d => d.ContentType).Returns(expectedContentType);
var mockStorage = new Mock <IDocumentRepository>();
mockStorage.Setup(s => s.DownloadAsync(It.IsAny <string>()))
.ReturnsAsync(downloadInfo.Object);
var controller = new DocumentsController(mockStorage.Object, Mock.Of <ILogger <DocumentsController> >());
var result = await controller.DownloadAsync("directory") as FileStreamResult;
Assert.NotNull(result);
result.FileStream.IsSameOrEqualTo(expectedStream);
result.ContentType.Should().Be(expectedContentType);
}
public static async Task DownloadAsync_DocumentRepositoryException_IsLogged()
{
var expectedException = new DocumentRepositoryException(
new InvalidOperationException(),
StatusCodes.Status502BadGateway);
var mockStorage = new Mock <IDocumentRepository>();
mockStorage.Setup(s => s.DownloadAsync(It.IsAny <string>())).Throws(expectedException);
var mockLogger = new Mock <ILogger <DocumentsController> >();
var controller = new DocumentsController(mockStorage.Object, mockLogger.Object);
await controller.DownloadAsync("directory");
Expression <Action <ILogger <DocumentsController> > > expression = l => l.Log(
It.Is <LogLevel>(l => l == LogLevel.Error),
It.IsAny <EventId>(),
It.Is <It.IsAnyType>((v, t) => true),
It.Is <Exception>(e => e == expectedException),
It.Is <Func <It.IsAnyType, Exception, string> >((v, t) => true));
mockLogger.Verify(expression);
}
public async Task DownloadAsync_DocumentRepositoryException_IsLogged()
{
var exception = new DocumentRepositoryException(
new InvalidOperationException(),
StatusCodes.Status502BadGateway);
var mockStorage = new Mock <IDocumentRepository>();
mockStorage.Setup(s => s.DownloadAsync(It.IsAny <string>())).Throws(exception);
var logLevel = LogLevel.None;
Exception actualException = null;
void Callback(LogLevel l, Exception e)
{
logLevel = l;
actualException = e;
}
var mockLogger = new MockLogger <DocumentsController>(Callback);
var controller = new DocumentsController(mockStorage.Object, mockLogger);
await controller.DownloadAsync("directory");
logLevel.Should().Be(LogLevel.Error);
actualException.Should().Be(exception);
}
public static void DownloadAsync_Exception_DoesNotSwallow()
{
var exception = new InvalidOperationException();
var mockStorage = new Mock <IDocumentRepository>();
mockStorage.Setup(s => s.DownloadAsync(It.IsAny <string>())).Throws(exception);
var controller = new DocumentsController(mockStorage.Object, Mock.Of <ILogger <DocumentsController> >());
Assert.ThrowsAsync <InvalidOperationException>(() => controller.DownloadAsync("directory"));
}
public static async Task DownloadAsync_DocumentRepositoryException_ReturnsStatusCodeResult()
{
var exception = new DocumentRepositoryException(
new InvalidOperationException(),
StatusCodes.Status502BadGateway);
var mockStorage = new Mock <IDocumentRepository>();
mockStorage.Setup(s => s.DownloadAsync(It.IsAny <string>())).Throws(exception);
var controller = new DocumentsController(mockStorage.Object, Mock.Of <ILogger <DocumentsController> >());
var result = await controller.DownloadAsync("directory") as StatusCodeResult;
Assert.NotNull(result);
result.StatusCode.Should().Be(exception.HttpStatusCode);
}