public void BatchMultipleEvents()
{
List <string> events = new List <string>();
FakeDirectoryWatcher inner = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Queue <TaskCompletionSource <bool> > pending = new Queue <TaskCompletionSource <bool> >();
IDirectoryWatcher watcher = new DirectoryWatcherWithBatching(
inner,
@"X:\root",
new BatchedEvents <FileInfo>(() => pending.Dequeue().Task));
TaskCompletionSource <bool> pending1 = new TaskCompletionSource <bool>();
TaskCompletionSource <bool> pending2 = new TaskCompletionSource <bool>();
pending.Enqueue(pending1);
pending.Enqueue(pending2);
IDisposable sub1 = watcher.Subscribe("file1.txt", f => events.Add("(Updated1) " + f.FullName));
watcher.Subscribe("file2.txt", f => events.Add("(Updated2) " + f.FullName));
inner.Update(@"X:\root\file1.txt");
inner.Update(@"X:\root\file2.txt");
sub1.Dispose();
inner.Update(@"X:\root\file1.txt");
pending1.SetResult(true);
events.Should().BeEmpty();
inner.Update(@"X:\root\file2.txt");
pending2.SetResult(true);
inner.Update(@"X:\root\file1.txt");
watcher.Dispose();
inner.Update(@"X:\root\file2.txt");
events.Should().ContainSingle().Which.Should().Be(@"(Updated2) X:\root\file2.txt");
}
protected override IDirectoryWatcher Create(DirectoryInfo path)
{
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(path);
this.Watchers.Add(watcher);
return(watcher);
}
public void CreateAndDispose()
{
DirectoryWatcherBase watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action act = () => watcher.Dispose();
act.Should().NotThrow();
}
public void UpdateZeroSubscriptions()
{
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action act = () => watcher.Update(@"X:\root\file1.txt");
act.Should().NotThrow();
}
public void SubscribeNullCallback()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = null;
Action act = () => watcherBase.Subscribe("file1.txt", onUpdate);
act.Should().Throw <ArgumentNullException>().Which.ParamName.Should().Be("onUpdate");
}
public void SubscribeFileRootedPath()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = f => { };
Action act = () => watcherBase.Subscribe(@"D:\path.txt", onUpdate);
ArgumentException ae = act.Should().Throw <ArgumentException>().Which;
ae.Message.Should().Contain(@"Invalid file name 'D:\path.txt'");
ae.ParamName.Should().Be("file");
}
public void SubscribeDotFileName()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = f => { };
Action act = () => watcherBase.Subscribe(".", onUpdate);
ArgumentException ae = act.Should().Throw <ArgumentException>().Which;
ae.Message.Should().Contain(@"The file '.' is not directly within directory 'X:\root'");
ae.ParamName.Should().Be("file");
}
public void SubscribeEmptyFileName()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = f => { };
Action act = () => watcherBase.Subscribe(string.Empty, onUpdate);
ArgumentException ae = act.Should().Throw <ArgumentException>().Which;
ae.Message.Should().Contain("File name cannot be empty");
ae.ParamName.Should().Be("file");
}
public void UpdateIrrelevantFileOneSubscription()
{
List <string> updates = new List <string>();
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
DirectoryWatcherBase watcherBase = watcher;
watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName));
watcher.Update(@"X:\root\not-relevant.txt");
updates.Should().BeEmpty();
}
public void SubscribeSameFileTwiceDifferentCase()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = f => { };
watcherBase.Subscribe("file1.txt", onUpdate);
Action act = () => watcherBase.Subscribe("FILE1.txt", onUpdate);
act.Should().Throw <InvalidOperationException>()
.WithMessage(@"A subscription for 'X:\root\FILE1.txt' already exists.");
}
public void UpdateRelevantFileOneSubscriptionDifferentCase()
{
List <string> updates = new List <string>();
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
DirectoryWatcherBase watcherBase = watcher;
watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName));
watcher.Update(@"X:\root\FILE1.txt");
updates.Should().ContainSingle().Which.Should().Be(@"X:\root\file1.txt");
}
public void SubscribeBadFileName()
{
DirectoryWatcherBase watcherBase = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
Action <FileInfo> onUpdate = f => { };
Action act = () => watcherBase.Subscribe("**BADNAME??", onUpdate);
ArgumentException ae = act.Should().Throw <ArgumentException>().Which;
ae.Message.Should().Contain("Invalid file name '**BADNAME??'");
ae.ParamName.Should().Be("file");
}
public void UpdateAfterDispose()
{
List <string> updates = new List <string>();
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
using (DirectoryWatcherBase watcherBase = watcher)
{
watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName));
}
watcher.Update(@"X:\root\file1.txt");
updates.Should().BeEmpty();
}
public void UpdateTwoAfterOneSubscriptionDispose()
{
List <string> updates = new List <string>();
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
DirectoryWatcherBase watcherBase = watcher;
using (watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName)))
{
}
watcherBase.Subscribe("file2.txt", f => updates.Add(f.FullName));
watcher.Update(@"X:\root\file1.txt");
watcher.Update(@"X:\root\file2.txt");
updates.Should().ContainSingle().Which.Should().Be(@"X:\root\file2.txt");
}
public void UpdateTwoFilesTwoSubscriptions()
{
List <string> updates = new List <string>();
FakeDirectoryWatcher watcher = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
DirectoryWatcherBase watcherBase = watcher;
watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName));
watcherBase.Subscribe("file2.txt", f => updates.Add(f.FullName));
watcher.Update(@"X:\root\file2.txt");
watcher.Update(@"X:\root\file1.txt");
updates.Should().HaveCount(2).And.ContainInOrder(
@"X:\root\file2.txt",
@"X:\root\file1.txt");
}
public void UpdateTwoFilesTwoSubscriptionsSameDirDifferentCase()
{
List <string> updates = new List <string>();
FakeDirectoryTreeWatcher watcher = new FakeDirectoryTreeWatcher(new DirectoryInfo(@"X:\root"));
DirectoryTreeWatcherBase watcherBase = watcher;
watcherBase.Subscribe(@"inner\file1.txt", f => updates.Add(f.FullName));
watcherBase.Subscribe(@"INNER\file2.txt", f => updates.Add(f.FullName));
FakeDirectoryWatcher innerWatcher = watcher.Watchers.Should().ContainSingle().Which;
innerWatcher.Update(@"X:\root\inner\file2.txt");
innerWatcher.Update(@"X:\root\inner\file1.txt");
updates.Should().HaveCount(2).And.ContainInOrder(
@"X:\root\inner\file2.txt",
@"X:\root\inner\file1.txt");
}
public void AfterSubscriptionDisposeSubscribeAgainAndUpdate()
{
List <string> updates = new List <string>();
FakeDirectoryTreeWatcher watcher = new FakeDirectoryTreeWatcher(new DirectoryInfo(@"X:\root"));
DirectoryTreeWatcherBase watcherBase = watcher;
using (watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName)))
{
}
watcherBase.Subscribe("file1.txt", f => updates.Add(f.FullName));
watcherBase.Subscribe("file2.txt", f => updates.Add(f.FullName));
FakeDirectoryWatcher innerWatcher = watcher.Watchers.Should().ContainSingle().Which;
innerWatcher.Update(@"X:\root\file1.txt");
innerWatcher.Update(@"X:\root\file2.txt");
updates.Should().HaveCount(2).And.ContainInOrder(
@"X:\root\file1.txt",
@"X:\root\file2.txt");
}
public void LogOnSubscribeUnsubscribeDispose()
{
List <string> logLines = new List <string>();
FakeDirectoryWatcher inner = new FakeDirectoryWatcher(new DirectoryInfo(@"X:\root"));
IDirectoryWatcher watcher = new DirectoryWatcherWithLogging(inner, "[\\Path]", new FakeLogger(logLines));
IDisposable sub1 = watcher.Subscribe("file1.txt", f => logLines.Add("(Updated1) " + f.FullName));
watcher.Subscribe("file2.txt", f => logLines.Add("(Updated2) " + f.FullName));
inner.Update(@"X:\root\file1.txt");
sub1.Dispose();
inner.Update(@"X:\root\file1.txt");
inner.Update(@"X:\root\file2.txt");
watcher.Dispose();
inner.Update(@"X:\root\file2.txt");
logLines.Should().HaveCount(6).And.ContainInOrder(
@"Information: Subscribing '[\Path]\file1.txt' watcher",
@"Information: Subscribing '[\Path]\file2.txt' watcher",
@"(Updated1) X:\root\file1.txt",
@"Information: Disposing '[\Path]\file1.txt' watcher",
@"(Updated2) X:\root\file2.txt",
@"Information: Disposing '[\Path]' watcher");
}