public static void FileSystemWatcher_Changed_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.Changed);
// 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")))
{
// rename a file in the same directory
testFile.Move(testFile.Path + "_rename");
// renaming a directory
testDir.Move(testDir.Path + "_rename");
// deleting a file & directory by leaving the using block
}
Utility.ExpectNoEvent(eventOccured, "changed");
}
}
/// <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 will move the source file to a destination file in the same directory i.e. rename it
/// </summary>
private static void MoveAndCheck_SameDirectory(WatcherChangeTypes eventType, bool moveRaisesEvent)
{
using (var dir = Utility.CreateTestDirectory(Guid.NewGuid().ToString()))
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(testFile.Path + "_" + eventType.ToString());
// Test that the event is observed or not observed
if (moveRaisesEvent)
{
Utility.ExpectEvent(eventOccurred, eventType.ToString());
}
else
{
Utility.ExpectNoEvent(eventOccurred, eventType.ToString());
}
}
}
}
public static void FileSystemWatcher_Changed_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.Changed);
// 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")))
{
// rename a file in the same directory
testFile.Move(testFile.Path + "_rename");
// renaming a directory
testDir.Move(testDir.Path + "_rename");
// deleting a file & directory by leaving the using block
}
Utility.ExpectNoEvent(eventOccurred, "changed");
}
}
public static void FileSystemWatcher_Renamed_FileInNestedDirectory()
{
Utility.TestNestedDirectoriesHelper(WatcherChangeTypes.Renamed, (AutoResetEvent are, TemporaryTestDirectory ttd) =>
{
using (var nestedFile = new TemporaryTestFile(Path.Combine(ttd.Path, "nestedFile")))
{
nestedFile.Move(nestedFile.Path + "_2");
Utility.ExpectEvent(are, "renamed");
}
});
}
public static void FileSystemWatcher_Renamed_FileInNestedDirectory()
{
Utility.TestNestedDirectoriesHelper(WatcherChangeTypes.Renamed | WatcherChangeTypes.Created, (AutoResetEvent are, TemporaryTestDirectory ttd) =>
{
using (var nestedFile = new TemporaryTestFile(Path.Combine(ttd.Path, "nestedFile")))
{
Utility.ExpectEvent(are, "file created");
nestedFile.Move(nestedFile.Path + "_2");
Utility.ExpectEvent(are, "renamed");
}
});
}
/// <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 will move the source file of a file within a nested directory
/// </summary>
private static void MoveAndCheck_NestedDirectory(WatcherChangeTypes eventType, bool moveRaisesEvent)
{
Utility.TestNestedDirectoriesHelper(eventType, (AutoResetEvent eventOccured, TemporaryTestDirectory ttd) =>
{
using (var nestedFile = new TemporaryTestFile(Path.Combine(ttd.Path, "nestedFile" + eventType.ToString())))
{
nestedFile.Move(nestedFile.Path + "_2");
if (moveRaisesEvent)
{
Utility.ExpectEvent(eventOccured, eventType.ToString());
}
else
{
Utility.ExpectNoEvent(eventOccured, eventType.ToString());
}
}
});
}
/// <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 will move the source file of a file within a nested directory
/// </summary>
private static void MoveAndCheck_NestedDirectory(WatcherChangeTypes eventType, bool moveRaisesEvent)
{
Utility.TestNestedDirectoriesHelper(eventType, (AutoResetEvent eventOccurred, TemporaryTestDirectory ttd) =>
{
using (var nestedFile = new TemporaryTestFile(Path.Combine(ttd.Path, "nestedFile" + eventType.ToString())))
{
nestedFile.Move(nestedFile.Path + "_2");
if (moveRaisesEvent)
Utility.ExpectEvent(eventOccurred, eventType.ToString());
else
Utility.ExpectNoEvent(eventOccurred, eventType.ToString());
}
});
}
/// <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());
}
}
}
