private HttpClient CreateClient(
DownloadJob.JobId newDownloadId,
DownloadJobsDictionary downloadJobsDictionary,
IFileSystem fileSystem,
DelegatingHandler downloadsHttpClient,
IHubContext <NotificationsHub, NotificationsHub.IClient> notificationsHubContext)
{
return
(_factory
.WithSettings(
("DownloadDirectories:Incomplete", "/incomplete"),
("DownloadDirectories:Completed", "/completed"),
/* One millisecond interval to give ProgressNotificationsBackgroundService a chance to iterate
* through dictionary while the test is executing - this can potentially cause a flaky test.
* See SignalRMessagesShouldBeSent() verification for SendProgress in the Assert block below. */
("PushNotifications:ProgressIntervalInMilliseconds", "1"))
.WithServices(services =>
services
.ReplaceAllWithSingleton(new DownloadManager.DownloadIdGenerator(() => newDownloadId))
.ReplaceAllWithSingleton(new DownloadManager.DateTimeUtcNowTicks(() => 42))
.ReplaceAllWithSingleton(downloadJobsDictionary)
.ReplaceAllWithSingleton(fileSystem)
.ReplaceAllWithSingleton(notificationsHubContext)
.ReplaceHttpMessageHandlerFor <DownloadStarter>(downloadsHttpClient))
.CreateDefaultClient());
}
/// <summary>
/// Async event handlers are not awaited so any exceptions thrown are lost. There's nothing more we can do
/// but to log them.
/// </summary>
private void LogError <TMessage>(
Exception exception,
DownloadJob.JobId id)
{
_logger.LogError(
exception,
"Failed to send {messageType} for job {id}",
typeof(TMessage).Name, id);
}
private static Mock <IFileSystem> CreateAndSetupFileSystemMock(
ISpecimenBuilder fixture,
DownloadJob.JobId newDownloadId)
{
var fileSystemMock = fixture.Create <Mock <IFileSystem> >();
fileSystemMock
.SetupGet(fs =>
fs.FileStream.Create($"/incomplete/{newDownloadId}", FileMode.CreateNew).CanWrite)
.Returns(true);
fileSystemMock
/* Simulate saveAsFile.iso already existing to test name incrementing logic */
.Setup(fs =>
fs.File.Move(
$"/incomplete/{newDownloadId}",
"/completed/saveAsFile.iso",
false))
.Throws <IOException>();
return(fileSystemMock);
}
