public static void FileSystemWatcher_Deleted_FileDeletedInNestedDirectory()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
// Wait for the created event
Utility.ExpectEvent(createOccurred, "create");
using (var secondDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir2")))
{
// Wait for the created event
Utility.ExpectEvent(createOccurred, "create");
using (var nestedDir = new TemporaryTestFile(Path.Combine(secondDir.Path, "nestedFile"))) { }
Utility.ExpectEvent(eventOccurred, "deleted");
}
Utility.ExpectEvent(eventOccurred, "deleted");
}
Utility.ExpectEvent(eventOccurred, "deleted");
}
}
public static void FileSystemWatcher_Created_MoveDirectory()
{
// create two test directories
using (TemporaryTestDirectory dir = Utility.CreateTestDirectory(),
targetDir = new TemporaryTestDirectory(dir.Path + "_target"))
using (var watcher = new FileSystemWatcher("."))
{
string testFileName = "testFile.txt";
// watch the target dir
watcher.Path = Path.GetFullPath(targetDir.Path);
watcher.Filter = testFileName;
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
string sourceFile = Path.Combine(dir.Path, testFileName);
string targetFile = Path.Combine(targetDir.Path, testFileName);
// create a test file in source
File.WriteAllText(sourceFile, "test content");
watcher.EnableRaisingEvents = true;
// move the test file from source to target directory
File.Move(sourceFile, targetFile);
Utility.ExpectEvent(eventOccured, "created");
}
}
public static void TestNestedDirectoriesHelper(
WatcherChangeTypes change,
Action <AutoResetEvent, TemporaryTestDirectory> action,
NotifyFilters changeFilers = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName)
{
using (var dir = Utility.CreateTestDirectory(Guid.NewGuid().ToString()))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createdOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, change);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.NotifyFilter = changeFilers;
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccured, "dir1 created");
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "nested")))
{
Utility.ExpectEvent(createdOccured, "nested created");
action(eventOccured, nestedDir);
}
}
}
}
static IToposProducer CreateProducer(TemporaryTestDirectory temporaryTestDirectory)
{
return(Configure
.Producer(p => p.UseFileSystem(temporaryTestDirectory))
.Serialization(s => s.UseNewtonsoftJson())
.Create());
}
public static void FileSystemWatcher_Created_MoveDirectory()
{
// create two test directories
using (TemporaryTestDirectory dir = Utility.CreateTestDirectory(),
targetDir = new TemporaryTestDirectory(dir.Path + "_target"))
using (var watcher = new FileSystemWatcher("."))
{
string testFileName = "testFile.txt";
// watch the target dir
watcher.Path = Path.GetFullPath(targetDir.Path);
watcher.Filter = testFileName;
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
string sourceFile = Path.Combine(dir.Path, testFileName);
string targetFile = Path.Combine(targetDir.Path, testFileName);
// create a test file in source
File.WriteAllText(sourceFile, "test content");
watcher.EnableRaisingEvents = true;
// move the test file from source to target directory
File.Move(sourceFile, targetFile);
Utility.ExpectEvent(eventOccured, "created");
}
}
public static void TestNestedDirectoriesHelper(
WatcherChangeTypes change,
Action <AutoResetEvent, TemporaryTestDirectory> action,
NotifyFilters changeFilers = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName)
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
using (AutoResetEvent createdOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created))
using (AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, change))
{
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.NotifyFilter = changeFilers;
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccured, "dir1 created", WaitForCreationTimeoutInMs);
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "nested")))
{
Utility.ExpectEvent(createdOccured, "nested created", WaitForCreationTimeoutInMs);
action(eventOccured, nestedDir);
}
}
}
}
public static void FileSystemWatcher_Renamed_Negative()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Renamed);
watcher.EnableRaisingEvents = true;
// run all scenarios together to avoid unnecessary waits,
// assert information is verbose enough to trace to failure cause
// create a file
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
using (var testDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir")))
{
// change a file
testFile.WriteByte(0xFF);
testFile.Flush();
// deleting a file & directory by leaving the using block
}
Utility.ExpectNoEvent(eventOccured, "created");
}
}
/// <summary>
/// Sets up watchers for the type given before performing a File.Move operation and checking for
/// events. If moveRaisesEvent is true, we make sure that the given event type is observed. If false,
/// we ensure that it is not observed.
///
/// This test checks for when the file being moved has a destination directory that is outside of
/// the path of the FileSystemWatcher.
/// </summary>
private static void MoveAndCheck_DifferentDirectory(WatcherChangeTypes eventType, bool moveRaisesEvent)
{
using (var dir = Utility.CreateTestDirectory(Guid.NewGuid().ToString()))
using (var dir_unwatched = new TemporaryTestDirectory(Path.GetRandomFileName()))
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
// create a file
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
{
watcher.EnableRaisingEvents = true;
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, eventType);
// Move the testFile to a different name in the same directory
testFile.Move(Path.Combine(dir_unwatched.Path, testFile.Name + "_" + eventType.ToString()));
// Test which events are thrown
if (moveRaisesEvent)
{
Utility.ExpectEvent(eventOccured, eventType.ToString());
}
else
{
Utility.ExpectNoEvent(eventOccured, eventType.ToString());
}
}
}
}
public static void FileSystemWatcher_Renamed_Negative()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Renamed);
watcher.EnableRaisingEvents = true;
// run all scenarios together to avoid unnecessary waits,
// assert information is verbose enough to trace to failure cause
// create a file
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
using (var testDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir")))
{
// change a file
testFile.WriteByte(0xFF);
testFile.Flush();
// deleting a file & directory by leaving the using block
}
Utility.ExpectNoEvent(eventOccured, "created");
}
}
static IDisposable StartConsumer(TemporaryTestDirectory testDirectory, ManualResetEvent gotTheEvent)
{
return(Configure
.Consumer("whatever", c => c.UseFileSystem(testDirectory))
.Serialization(s => s.UseNewtonsoftJson())
.Topics(t => t.Subscribe("test-topic"))
.Positions(p => p.StoreInMemory())
.Handle(async(messages, context, token) => gotTheEvent.Set())
.Start());
}
static IToposProducer CreateProducer(TemporaryTestDirectory temporaryTestDirectory)
{
return(Configure
.Producer(p =>
{
p.UseFileSystem(temporaryTestDirectory).SetMaxAge("test-topic", TimeSpan.FromSeconds(5));
ChangeCompactionIntervalTo(p, TimeSpan.FromSeconds(1));
})
.Serialization(s => s.UseNewtonsoftJson())
.Create());
}
static IDisposable StartConsumer(TemporaryTestDirectory testDirectory, Action <Timestamp> handle)
{
return(Configure
.Consumer("whatever", c => c.UseFileSystem(testDirectory))
.Serialization(s => s.UseNewtonsoftJson())
.Topics(t => t.Subscribe("test-topic"))
.Positions(p => p.StoreInMemory())
.Handle(async(messages, context, token) =>
{
foreach (var message in messages.Select(m => m.Body).OfType <Timestamp>())
{
handle(message);
}
})
.Start());
}
public static void FileSystemWatcher_Created_Directory()
{
using (var watcher = new FileSystemWatcher("."))
{
string dirName = Guid.NewGuid().ToString();
watcher.Filter = dirName;
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
watcher.EnableRaisingEvents = true;
using (var dir = new TemporaryTestDirectory(dirName))
{
Utility.ExpectEvent(eventOccured, "created");
}
}
}
public static void FileSystemWatcher_Deleted_Directory()
{
using (var watcher = new FileSystemWatcher("."))
{
string dirName = Guid.NewGuid().ToString();
watcher.Filter = dirName;
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
using (var dir = new TemporaryTestDirectory(dirName))
{
watcher.EnableRaisingEvents = true;
}
Utility.ExpectEvent(eventOccured, "deleted");
}
}
public static void FileSystemWatcher_Created_DeepDirectoryStructure()
{
// List of created directories
List <TemporaryTestDirectory> lst = new List <TemporaryTestDirectory>();
try
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
// Priming directory
TemporaryTestDirectory priming = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir"));
lst.Add(priming);
Utility.ExpectEvent(eventOccurred, "priming create");
// Create a deep directory structure and expect things to work
for (int i = 1; i < 20; i++)
{
lst.Add(new TemporaryTestDirectory(Path.Combine(lst[i - 1].Path, String.Format("dir{0}", i))));
Utility.ExpectEvent(eventOccurred, lst[i].Path + " create");
}
// Put a file at the very bottom and expect it to raise an event
using (var file = new TemporaryTestFile(Path.Combine(lst[lst.Count - 1].Path, "temp file")))
{
Utility.ExpectEvent(eventOccurred, "temp file create");
}
}
}
finally
{
// Cleanup
foreach (TemporaryTestDirectory d in lst)
{
d.Dispose();
}
}
}
// Note: Can't use the TestNestedDirectoriesHelper since we need access to the root
public static void FileSystemWatcher_Moved_NestedDirectoryTreeMoveFileAndFolder()
{
using (var root = Utility.CreateTestDirectory())
using (var dir = Utility.CreateTestDirectory(Path.Combine(root.Path, "test_root")))
using (var temp = Utility.CreateTestDirectory(Path.Combine(root.Path, "temp")))
using (var dir1 = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created | WatcherChangeTypes.Deleted | WatcherChangeTypes.Changed);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
string filePath = Path.Combine(dir1.Path, "test_file");
using (var file = File.Create(filePath))
{
// Wait for the file to be created then make a change to validate that we get a change
Utility.ExpectEvent(eventOccured, "test file created");
byte[] buffer = new byte[4096];
file.Write(buffer, 0, buffer.Length);
file.Flush();
}
Utility.ExpectEvent(eventOccured, "test file changed");
// Move the nested dir out of scope and validate that we get a single deleted event
string original = dir1.Path;
string target = Path.Combine(temp.Path, "dir1");
dir1.Move(target);
Utility.ExpectEvent(eventOccured, "nested dir deleted");
// Move the dir (and child file) back into scope and validate that we get a created event
dir1.Move(original);
Utility.ExpectEvent(eventOccured, "nested dir created");
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Write))
{
byte[] buffer = new byte[4096];
fs.Write(buffer, 0, buffer.Length);
fs.Flush();
}
Utility.ExpectEvent(eventOccured, "test file changed");
}
}
// Note: Can't use the TestNestedDirectoriesHelper since we need access to the root
public static void FileSystemWatcher_Moved_NestedDirectoryRoot()
{
// Create a test root with our watch dir and a temp directory since, on the default Ubuntu install, the system
// temp directory is on a different mount point and Directory.Move does not work across mount points.
using (var root = Utility.CreateTestDirectory())
using (var dir = Utility.CreateTestDirectory(Path.Combine(root.Path, "test_root")))
using (var temp = Utility.CreateTestDirectory(Path.Combine(root.Path, "temp")))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createdOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent deletedOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var dir1 = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccured, "dir1 created");
using (var dir2 = new TemporaryTestDirectory(Path.Combine(dir1.Path, "dir2")))
{
Utility.ExpectEvent(createdOccured, "dir2 created");
using (var file = Utility.CreateTestFile(Path.Combine(dir2.Path, "test file"))) { };
// Move the directory out of the watched folder and expect that we get a deleted event
string original = dir1.Path;
string target = Path.Combine(temp.Path, Path.GetFileName(dir1.Path));
dir1.Move(target);
Utility.ExpectEvent(deletedOccured, "dir1 moved out");
// Move the directory back and expect a created event
dir1.Move(original);
Utility.ExpectEvent(createdOccured, "dir1 moved back");
}
}
}
}
public static void FileSystemWatcher_Created_Negative()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
// run all scenarios together to avoid unnecessary waits,
// assert information is verbose enough to trace to failure cause
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
using (var testDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir")))
{
// start listening after we've created these
watcher.EnableRaisingEvents = true;
// change a file
testFile.WriteByte(0xFF);
testFile.Flush();
// renaming a directory
//
// We don't do this on Linux because depending on the timing of MOVED_FROM and MOVED_TO events,
// a rename can trigger delete + create as a deliberate handling of an edge case, and this
// test is checking that no create events are raised.
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
testDir.Move(testDir.Path + "_rename");
}
// deleting a file & directory by leaving the using block
}
Utility.ExpectNoEvent(eventOccurred, "created");
}
}
public static void FileSystemWatcher_Deleted_NestedDirectories()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
using (AutoResetEvent createOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created))
using (AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted))
{
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
using (var secondDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "dir2")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(secondDir.Path, "nested")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
}
Utility.ExpectEvent(eventOccured, "deleted");
}
Utility.ExpectEvent(eventOccured, "deleted");
}
Utility.ExpectEvent(eventOccured, "deleted");
}
}
public static void FileSystemWatcher_Deleted_Negative()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
// run all scenarios together to avoid unnecessary waits,
// assert information is verbose enough to trace to failure cause
watcher.EnableRaisingEvents = true;
// create a file
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
using (var testDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir")))
{
// change a file
testFile.WriteByte(0xFF);
testFile.Flush();
// renaming a directory
//
// We don't do this on Linux because depending on the timing of MOVED_FROM and MOVED_TO events,
// a rename can trigger delete + create as a deliberate handling of an edge case, and this
// test is checking that no delete events are raised.
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
testDir.Move(testDir.Path + "_rename");
}
Utility.ExpectNoEvent(eventOccured, "deleted");
}
}
}
public static void TestNestedDirectoriesHelper(
WatcherChangeTypes change,
Action<AutoResetEvent, TemporaryTestDirectory> action,
NotifyFilters changeFilers = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName)
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
using (AutoResetEvent createdOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created))
using (AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, change))
{
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.NotifyFilter = changeFilers;
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccured, "dir1 created", WaitForCreationTimeoutInMs);
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "nested")))
{
Utility.ExpectEvent(createdOccured, "nested created", WaitForCreationTimeoutInMs);
action(eventOccured, nestedDir);
}
}
}
}
/// <summary>
/// Sets up watchers for the type given before performing a File.Move operation and checking for
/// events. If moveRaisesEvent is true, we make sure that the given event type is observed. If false,
/// we ensure that it is not observed.
///
/// This test checks for when the file being moved has a destination directory that is outside of
/// the path of the FileSystemWatcher.
/// </summary>
private static void MoveAndCheck_DifferentDirectory(WatcherChangeTypes eventType, bool moveRaisesEvent)
{
using (var dir = Utility.CreateTestDirectory(Guid.NewGuid().ToString()))
using (var dir_unwatched = new TemporaryTestDirectory(Path.GetRandomFileName()))
using (var watcher = new FileSystemWatcher())
{
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
// create a file
using (var testFile = new TemporaryTestFile(Path.Combine(dir.Path, "file")))
{
watcher.EnableRaisingEvents = true;
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, eventType);
// Move the testFile to a different name in the same directory
testFile.Move(Path.Combine(dir_unwatched.Path, testFile.Name + "_" + eventType.ToString()));
// Test which events are thrown
if (moveRaisesEvent)
Utility.ExpectEvent(eventOccurred, eventType.ToString());
else
Utility.ExpectNoEvent(eventOccurred, eventType.ToString());
}
}
}
// Note: Can't use the TestNestedDirectoriesHelper since we need access to the root
public static void FileSystemWatcher_Moved_NestedDirectoryRoot()
{
// Create a test root with our watch dir and a temp directory since, on the default Ubuntu install, the system
// temp directory is on a different mount point and Directory.Move does not work across mount points.
using (var root = Utility.CreateTestDirectory())
using (var dir = Utility.CreateTestDirectory(Path.Combine(root.Path, "test_root")))
using (var temp = Utility.CreateTestDirectory(Path.Combine(root.Path, "temp")))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createdOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent deletedOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var dir1 = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccurred, "dir1 created");
using (var dir2 = new TemporaryTestDirectory(Path.Combine(dir1.Path, "dir2")))
{
Utility.ExpectEvent(createdOccurred, "dir2 created");
using (var file = Utility.CreateTestFile(Path.Combine(dir2.Path, "test file"))) { };
// Move the directory out of the watched folder and expect that we get a deleted event
string original = dir1.Path;
string target = Path.Combine(temp.Path, Path.GetFileName(dir1.Path));
dir1.Move(target);
Utility.ExpectEvent(deletedOccurred, "dir1 moved out");
// Move the directory back and expect a created event
dir1.Move(original);
Utility.ExpectEvent(createdOccurred, "dir1 moved back");
}
}
}
}
// Note: Can't use the TestNestedDirectoriesHelper since we need access to the root
public static void FileSystemWatcher_Moved_NestedDirectoryTreeMoveFileAndFolder()
{
using (var root = Utility.CreateTestDirectory())
using (var dir = Utility.CreateTestDirectory(Path.Combine(root.Path, "test_root")))
using (var temp = Utility.CreateTestDirectory(Path.Combine(root.Path, "temp")))
using (var dir1 = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created | WatcherChangeTypes.Deleted | WatcherChangeTypes.Changed);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
string filePath = Path.Combine(dir1.Path, "test_file");
using (var file = File.Create(filePath))
{
// Wait for the file to be created then make a change to validate that we get a change
Utility.ExpectEvent(eventOccurred, "test file created");
byte[] buffer = new byte[4096];
file.Write(buffer, 0, buffer.Length);
file.Flush();
}
Utility.ExpectEvent(eventOccurred, "test file changed");
// Move the nested dir out of scope and validate that we get a single deleted event
string original = dir1.Path;
string target = Path.Combine(temp.Path, "dir1");
dir1.Move(target);
Utility.ExpectEvent(eventOccurred, "nested dir deleted");
// Move the dir (and child file) back into scope and validate that we get a created event
dir1.Move(original);
Utility.ExpectEvent(eventOccurred, "nested dir created");
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Write))
{
byte[] buffer = new byte[4096];
fs.Write(buffer, 0, buffer.Length);
fs.Flush();
}
Utility.ExpectEvent(eventOccurred, "test file changed");
}
}
public static void FileSystemWatcher_Deleted_NestedDirectories()
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent eventOccured = Utility.WatchForEvents(watcher, WatcherChangeTypes.Deleted);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
using (var secondDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "dir2")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(secondDir.Path, "nested")))
{
// Wait for the created event
Utility.ExpectEvent(createOccured, "create", 1000 * 30);
}
Utility.ExpectEvent(eventOccured, "deleted");
}
Utility.ExpectEvent(eventOccured, "deleted");
}
Utility.ExpectEvent(eventOccured, "deleted");
}
}
public static void TestNestedDirectoriesHelper(
WatcherChangeTypes change,
Action<AutoResetEvent, TemporaryTestDirectory> action,
NotifyFilters changeFilers = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName)
{
using (var dir = Utility.CreateTestDirectory(Guid.NewGuid().ToString()))
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent createdOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created); // not "using" to avoid race conditions with FSW callbacks
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, change);
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*";
watcher.NotifyFilter = changeFilers;
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
using (var firstDir = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir1")))
{
Utility.ExpectEvent(createdOccurred, "dir1 created");
using (var nestedDir = new TemporaryTestDirectory(Path.Combine(firstDir.Path, "nested")))
{
Utility.ExpectEvent(createdOccurred, "nested created");
action(eventOccurred, nestedDir);
}
}
}
}
public static void FileSystemWatcher_Created_DeepDirectoryStructure()
{
// List of created directories
List<TemporaryTestDirectory> lst = new List<TemporaryTestDirectory>();
try
{
using (var dir = Utility.CreateTestDirectory())
using (var watcher = new FileSystemWatcher())
{
AutoResetEvent eventOccurred = Utility.WatchForEvents(watcher, WatcherChangeTypes.Created);
// put everything in our own directory to avoid collisions
watcher.Path = Path.GetFullPath(dir.Path);
watcher.Filter = "*.*";
watcher.IncludeSubdirectories = true;
watcher.EnableRaisingEvents = true;
// Priming directory
TemporaryTestDirectory priming = new TemporaryTestDirectory(Path.Combine(dir.Path, "dir"));
lst.Add(priming);
Utility.ExpectEvent(eventOccurred, "priming create");
// Create a deep directory structure and expect things to work
for (int i = 1; i < 20; i++)
{
lst.Add(new TemporaryTestDirectory(Path.Combine(lst[i - 1].Path, String.Format("dir{0}", i))));
Utility.ExpectEvent(eventOccurred, lst[i].Path + " create");
}
// Put a file at the very bottom and expect it to raise an event
using (var file = new TemporaryTestFile(Path.Combine(lst[lst.Count - 1].Path, "temp file")))
{
Utility.ExpectEvent(eventOccurred, "temp file create");
}
}
}
finally
{
// Cleanup
foreach (TemporaryTestDirectory d in lst)
d.Dispose();
}
}
static void PrintDirectoryDetails(TemporaryTestDirectory testDirectory)
{
