public async Task TestGetContentWaitTillCreated()
{
LOG.Info("--- testGetContentWaitTillCreated");
Holder <string> contentHolder = new Holder <string>();
Task task = new Task(() =>
{
ContentWatcher <string> watcher = new ContentWatcher <string>(_zkClient, FILE_NAME);
try
{
watcher.Start();
contentHolder.value = watcher.GetContent();
watcher.Stop();
}
catch (Exception)
{
}
});
task.Start();
// create content after 200ms
await Task.Delay(200);
await _zkClient.CreatePersistentAsync(FILE_NAME, "aaa");
// we give the thread some time to pick up the change
await Task.Delay(1000);
Assert.True("aaa" == contentHolder.value);
}
public virtual ContentWatcher Watcher(params string[] name) {
if (_watchers == null) {
_watchers = new Dictionary<string, ContentWatcher>();
}
string key;
string local;
if (name.Length == 0) {
key = "";
local = null;
} else {
key = Path.Combine(name);
local = key;
}
ContentWatcher result;
if (_watchers.TryGetValue(key, out result)) return result;
var directory = GetSubdirectoryFilename(local);
if (!Directory.Exists(directory)) {
Directory.CreateDirectory(directory);
}
_watchers[key] = new ContentWatcher(directory);
return _watchers[key];
}
public void TestHandlingNullContent()
{
LOG.Info("--- testHandlingNullContent");
ContentWatcher <string> watcher = new ContentWatcher <string>(_zkClient, FILE_NAME);
watcher.Start();
_zkClient.CreatePersistent(FILE_NAME, null);
Assert.True(string.IsNullOrEmpty(watcher.GetContent()));
watcher.Stop();
}
protected ContentWatcher GetWatcher(string directory)
{
var key = FileUtils.NormalizePath(directory);
if (Watchers.TryGetValue(key, out var result))
{
return(result);
}
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
_watchers[key] = new ContentWatcher(directory);
return(_watchers[key]);
}
public void TestGetContent()
{
LOG.Info("--- testGetContent");
ContentWatcher <string> watcher = new ContentWatcher <string>(_zkClient, FILE_NAME);
watcher.Start();
_zkClient.CreatePersistent(FILE_NAME, "a");
Assert.True("a" == watcher.GetContent());
// update the content
_zkClient.WriteData(FILE_NAME, "b");
string contentFromWatcher = TestUtil.WaitUntil("b", () => { return(watcher.GetContent()); }, new TimeSpan(0, 0, 0, 5));
Assert.True("b" == contentFromWatcher);
watcher.Stop();
}
public async Task TestGetContent()
{
LOG.Info("--- testGetContent");
ContentWatcher <string> watcher = new ContentWatcher <string>(_zkClient, FILE_NAME);
watcher.Start();
await _zkClient.CreatePersistentAsync(FILE_NAME, "a");
Assert.True("a" == watcher.GetContent());
// update the content
await _zkClient.SetDataAsync(FILE_NAME, "b");
string contentFromWatcher = TestUtil.WaitUntil(
"b",
() => { return(watcher.GetContent()); },
TimeSpan.FromSeconds(5));
Assert.True("b" == contentFromWatcher);
watcher.Stop();
}
public virtual ContentWatcher Watcher(params string[] name) {
if (_watchers == null) {
_watchers = new Dictionary<string, ContentWatcher>();
}
var nameCombined = Path.Combine(name);
if (_watchers.ContainsKey(nameCombined)) return _watchers[nameCombined];
var directory = GetSubdirectoryFilename(nameCombined);
if (!Directory.Exists(directory)) {
Directory.CreateDirectory(directory);
}
_watchers[nameCombined] = new ContentWatcher(directory);
return _watchers[nameCombined];
}
