public void TestReadWriteLock()
{
var testDir = new DirectoryInfo(Path.Combine(tempDir.FullName, Guid.NewGuid().ToString()));
testDir.Create();
var locker = new DirectoryLocker(testDir.FullName);
locker.ReadWriteLock();
Assert.AreEqual(1, testDir.GetFiles("readwrite.lock").Count());
}
public void TestStaticWriteUnlock()
{
var testDir = new DirectoryInfo(Path.Combine(tempDir.FullName, Guid.NewGuid().ToString()));
testDir.Create();
var locker = new DirectoryLocker(testDir.FullName);
locker.WriteLock();
Assert.AreEqual(1, testDir.GetFiles("write*.lock").Count());
DirectoryLocker.WriteUnlock(locker.LockerId, testDir.FullName);
Assert.AreEqual(0, testDir.GetFiles("write*.lock").Count());
}
public void TestIsReadWriteLocked()
{
var testDir = new DirectoryInfo(Path.Combine(tempDir.FullName, Guid.NewGuid().ToString()));
testDir.Create();
using (var lockFile = File.Create(Path.Combine(testDir.FullName, "readwrite.lock"))) { }
var locker = new DirectoryLocker(testDir.FullName);
Assert.IsTrue(locker.IsReadWriteLocked);
}
private void WriteUnLock(DirectoryLocker locker, int waitSeconds)
{
Thread.Sleep(waitSeconds * 1000);
locker.WriteUnlock();
}
public void TestWaitWriteUnlock()
{
var testDir = new DirectoryInfo(Path.Combine(tempDir.FullName, Guid.NewGuid().ToString()));
testDir.Create();
var testLocker = new DirectoryLocker(testDir.FullName);
testLocker.WriteLock();
Task.Factory.StartNew(() =>
{
WriteUnLock(testLocker, 10);
});
var start = DateTime.Now;
testLocker.WaitWriteUnlock(100, 1000);
var finish = DateTime.Now;
var delta = finish - start;
Assert.IsTrue(delta.TotalSeconds > 7);
}