public void Parallel_CreateWriteReadFile_Async()
{
using (new NFX.ApplicationModel.ServiceBaseApplication(null, LACONF.AsLaconicConfig()))
{
var fs = FS.FileSystem.Instances[NFX_S3];
var tasks = new List <Task>();
System.Threading.Tasks.Parallel.For(PARALLEL_FROM, PARALLEL_TO,
(i) =>
{
var fn = FN_PARALLEL_MASK.Args(i);
var session = fs.StartSession();
FileSystemDirectory dir = null;
FileSystemFile file = null;
var t = session.GetItemAsync(S3_ROOT_FS)
.OnOk(item =>
{
dir = item as FileSystemDirectory;
return(dir.CreateFileAsync(fn));
}).OnOk(f => {
Console.WriteLine("file '{0}' created", f.Name);
file = f;
return(file.WriteAllTextAsync("Hello, {0}".Args(i)));
})
.OnOkOrError(_ => {
Console.WriteLine("text written into '{0}'", file.Name);
if (file != null && !file.Disposed)
{
file.Dispose();
Console.WriteLine("file '{0}' disposed", file.Name);
}
})
.OnOk(() => session.GetItemAsync(fs.CombinePaths(S3_ROOT_FS, fn)))
.OnOk(item => {
file = item as FileSystemFile;
Console.WriteLine("file {0} got", file.Name);
return(file.ReadAllTextAsync());
})
.OnOk(txt => {
Console.WriteLine("file '{0}' red {1}", file.Name, txt);
Assert.AreEqual("Hello, {0}".Args(i), txt);
return(file.DeleteAsync());
})
.OnOkOrError(_ => {
Console.WriteLine("file '{0}' deleted", file.Name);
if (file != null && !file.Disposed)
{
file.Dispose();
Console.WriteLine("file '{0}' disposed", file.Name);
}
})
.OnOk(() => session.GetItemAsync(fs.CombinePaths(S3_ROOT_FS, fn)))
.OnOk(item => { Assert.IsNull(item); })
.OnOkOrError(_ => { if (!session.Disposed)
{
session.Dispose();
}
});
tasks.Add(t);
});//Parallel.For
Console.WriteLine("all tasks created");
Task.WaitAll(tasks.ToArray());
Assert.AreEqual(0, fs.Sessions.Count());//checking item registation via .ctor/.dctor
Console.WriteLine("done");
}
}
