Example #1
0
        public void TestDirectory()
        {
            var tempDirectory = new DirectoryInfo("Temp." + typeof(TestWatcher).Assembly.GetName().Name);

            RemoveDirectory(tempDirectory);
            if (!tempDirectory.Exists)
            {
                tempDirectory.Create();
            }

            var pa0 = GetDirectoryPath(tempDirectory, @"a0");
            var pb0 = GetDirectoryPath(tempDirectory, @"a0\b0");
            var p1  = CreateDirectoryPath(tempDirectory, @"a0\b0\c0");
            var p2  = CreateDirectoryPath(tempDirectory, @"a0\b0\c1");
            var p3  = CreateDirectoryPath(tempDirectory, @"a0\b0\c2");

            var watcher = new DirectoryWatcher();

            watcher.Track(p1);
            var list = watcher.GetTrackedDirectories();

            Assert.Single(list);
            Assert.Equal(p1, list[0]);

            watcher.Track(p2);
            list = watcher.GetTrackedDirectories();
            Assert.Equal(2, list.Count);
            Assert.Equal(p1, list[0]);
            Assert.Equal(p2, list[1]);

            // Adding p3 should set the track on the parent directory
            watcher.Track(p3);
            list = watcher.GetTrackedDirectories();
            Assert.Single(list);
            Assert.Equal(pb0, list[0]);

            // Tracking again a child should not add a new track as the parent is already tracking
            watcher.Track(p1);
            list = watcher.GetTrackedDirectories();
            Assert.Single(list);
            Assert.Equal(pb0, list[0]);

            watcher.Track(pb0);
            list = watcher.GetTrackedDirectories();
            Assert.Single(list);
            Assert.Equal(pb0, list[0]);

            var events = new List <FileEvent>();
            EventHandler <FileEvent> fileEventHandler = (sender, args) => events.Add(args);

            watcher.Modified += fileEventHandler;
            var p4 = CreateDirectoryPath(tempDirectory, @"a0\b0\c3");

            Thread.Sleep(20);
            watcher.Modified -= fileEventHandler;

            Assert.Single(events);
            Assert.Equal(p4, events[0].FullPath.ToLowerInvariant());

            events.Clear();
            watcher.Modified += fileEventHandler;
            RemoveDirectory(new DirectoryInfo(pb0));
            Thread.Sleep(400);
            watcher.Modified -= fileEventHandler;

            Assert.True(events.All(args => args.ChangeType == FileEventChangeType.Deleted)); // c0, c1, c2, c3 removed

            //// We should not track any directory
            //list = watcher.GetTrackedDirectories();
            //Assert.Equal(0, list.Count);

            RemoveDirectory(tempDirectory);
        }