public async Task DownloadLatest()
{
// This will download the new version and add it to "Versions" map
log.LogInformation("Checking for new youtube-dl version...");
await ytdlManager.DownloadLatestVersion();
// Critical section - replace ytdl when nobody uses it
var latest = ytdlManager.Versions.Keys.Max();
if (CurrentVersion != latest)
{
log.LogInformation("New version found {0}!", CurrentVersion);
using (var @lock = await ytdlLock.WriterLockAsync())
{
// replace ytdl
CurrentVersion = ytdlManager.Versions.Keys.Max();
ytdl = ytdlManager.Versions[CurrentVersion];
log.LogInformation("Update to {0} completed.", CurrentVersion);
}
}
else
{
log.LogInformation("No new version found!");
}
// Delete old versions which are no longer required
log.LogInformation("Cleaning up old youtube-dl versions...");
await ytdlManager.CleanupOldVersions(2);
}
public async Task DownloadTest()
{
var manager = new YoutubeDLManager(loggerFactory)
{
StorePath = TestContext.TestDir
};
await manager.Initialize();
Assert.AreEqual(0, manager.Versions.Count);
// Download latest version, we don't have any version
Assert.AreEqual(true, await manager.DownloadLatestVersion());
Assert.AreEqual(1, manager.Versions.Count);
// We already have the latest version, this should not do anything
Assert.AreEqual(false, await manager.DownloadLatestVersion());
Assert.AreEqual(1, manager.Versions.Count);
await manager.CleanupOldVersions();
Assert.AreEqual(1, manager.Versions.Count);
}
public async Task MultipleVersionsTest()
{
TestUtils.DeployEmbeddedResource("youtube-dl-2000", TestContext.TestRunDirectory);
TestUtils.DeployEmbeddedResource("youtube-dl-2001", TestContext.TestRunDirectory);
TestUtils.DeployEmbeddedResource("youtube-dl-2002", TestContext.TestRunDirectory);
var manager = new YoutubeDLManager(loggerFactory)
{
StorePath = TestContext.TestRunDirectory
};
await manager.Initialize();
Assert.AreEqual(3, manager.Versions.Count);
Assert.AreEqual(true, await manager.DownloadLatestVersion());
Assert.AreEqual(4, manager.Versions.Count);
await manager.CleanupOldVersions();
Assert.AreEqual(1, manager.Versions.Count);
Assert.IsTrue(manager.Versions.First().Key.Major > 2002);
}
