public void AttemptsFiveTimesOnError()
{
var packageId = "FakePackageId";
var version = new NuGetVersion(1, 2, 3);
var feedUri = new Uri("http://www.myget.org");
var feedCredentials = new CredentialCache();
var targetFilePath = "FakeTargetFilePath";
var calledCount = 0;
Assert.Throws <Exception>(() =>
{
//total attempts is initial attempt + 4 retries
var retryTracker = new RetryTracker(maxRetries: 4,
timeLimit: null,
retryInterval: new RetryInterval(100, 150, 1));
var downloader = new NuGetPackageDownloader(retryTracker);
downloader.DownloadPackage(packageId, version, feedUri, feedCredentials, targetFilePath,
(arg1, arg2, arg3, arg4, arg5) =>
{
calledCount++;
throw new ApplicationException("Expected exception from test");
});
});
Assert.That(calledCount, Is.EqualTo(5));
}
public void AttemptsOnlyOnceIfSuccessful()
{
var packageId = "FakePackageId";
var version = new NuGetVersion(1, 2, 3);
var feedUri = new Uri("http://www.myget.org");
var feedCredentials = new CredentialCache();
var targetFilePath = "FakeTargetFilePath";
var calledCount = 0;
var downloader = new NuGetPackageDownloader();
downloader.DownloadPackage(packageId, version, feedUri, feedCredentials, targetFilePath, (arg1, arg2, arg3, arg4, arg5) =>
{
calledCount++;
});
Assert.That(calledCount, Is.EqualTo(1));
}
public void AttemptsOnlyOnceIfSuccessful()
{
var packageId = "FakePackageId";
var version = VersionFactory.CreateSemanticVersion(1, 2, 3);
var feedUri = new Uri("http://www.myget.org");
var feedCredentials = new CredentialCache();
var targetFilePath = "FakeTargetFilePath";
var filesystem = Substitute.For <ICalamariFileSystem>();
var calledCount = 0;
var downloader = new NuGetPackageDownloader(filesystem);
downloader.DownloadPackage(packageId, version, feedUri, feedCredentials, targetFilePath, maxDownloadAttempts: 5, downloadAttemptBackoff: TimeSpan.Zero, action: (arg1, arg2, arg3, arg4, arg5) =>
{
calledCount++;
});
Assert.That(calledCount, Is.EqualTo(1));
}
public int AttemptsTheRightNumberOfTimesOnError(int maxDownloadAttempts)
{
var packageId = "FakePackageId";
var version = new NuGetVersion(1, 2, 3);
var feedUri = new Uri("http://www.myget.org");
var feedCredentials = new CredentialCache();
var targetFilePath = "FakeTargetFilePath";
var calledCount = 0;
Assert.Throws <Exception>(() =>
{
var downloader = new NuGetPackageDownloader();
downloader.DownloadPackage(packageId, version, feedUri, feedCredentials, targetFilePath, maxDownloadAttempts: maxDownloadAttempts, downloadAttemptBackoff: TimeSpan.Zero,
action: (arg1, arg2, arg3, arg4, arg5) =>
{
calledCount++;
throw new Exception("Expected exception from test: simulate download failing");
});
});
return(calledCount);
}