public void Can_Watch_Directory_For_Updated_Items()
{
// Arrange
IDirectory directory = new InMemoryDirectory();
directory.AddFile("/some/dir/folder/", new StringFileInfo("hi", "newfile.txt"));
var watcher = new DirectoryWatcher(directory);
var watchPattern = "/some/dir/folder/new*.txt";
watcher.AddFilter(watchPattern);
//
bool notified = false;
watcher.ItemUpdated += (sender, e) =>
{
DirectoryItemUpdatedEventArgs args = e.DirectoryItemEventArgs;
var matchedFilters = e.MatchedFilters;
Assert.Equal("newfile.txt", args.OldItem.Name);
Assert.Equal("newfile.csv", args.NewItem.Name);
notified = true;
};
// now update the file
var existingItem = directory.GetFile("/some/dir/folder/newfile.txt");
existingItem.Update(new StringFileInfo("changed", "newfile.csv"));
Assert.True(notified);
notified = false;
existingItem.Update(new StringFileInfo("changed again", "newfile.csv"));
// second update shouldnt trigger as our watch pattern is only watching newfile*.txt files.
Assert.False(notified);
}
public void Can_Watch_Directory_For_Moved_Items()
{
// Arrange
// Prepare our in memory directory.
IDirectory directory = new InMemoryDirectory();
directory.AddFile("/some/dir/folder/", new StringFileInfo("hi", "newfile.txt"));
directory.AddFile("/some/dir/another/", new StringFileInfo("hi", "newfile.txt"));
directory.AddFile("/some/dir/hello/", new StringFileInfo("hi", "newfile.txt"));
// Watch the directory using a pattern as a filter.
var watcher = new DirectoryWatcher(directory);
var watchPattern = "/some/dir/**/new*.txt";
watcher.AddFilter(watchPattern);
// Register for the watchers ItemUpdated event, this is how it should notify us of updated
// files.
int notifyCount = 0;
watcher.ItemUpdated += (sender, e) =>
{
DirectoryItemUpdatedEventArgs args = e.DirectoryItemEventArgs;
var matchedFilters = e.MatchedFilters; // contains the patterns that were matched (the reason we are being notified)
// we aren't renaming the file so the file should have the same name.
// We are renaming a parent folder, so only the items full path should be different.
Assert.Equal("newfile.txt", args.OldItem.Name);
Assert.Equal("newfile.txt", args.NewItem.Name);
Assert.StartsWith("/some/dir/", args.OldItem.Path); // the old folder path.
Assert.StartsWith("/newfoldername/dir/", args.NewItem.Path); // the new folder path.
//Assert.Equal("/changed/dir/folder/newfile.txt", args.NewItem.Path);
notifyCount = notifyCount + 1;
};
// Act
// Rename the root folder /some too be /newfoldername
// this should cause the watcher to notifiy us of effected items we are interested in.
var folder = directory.GetFolder("/some");
folder.Rename("newfoldername");
// Watcher should have notified us on of 3 items we were watching (matched by the pattern)
Assert.Equal(3, notifyCount);
// now rename the file again - this time the watcher should not notify us, as the items live in a directory
// that no longer match out pattern - i.e the previous rename operation has moved them outside of our filter pattern.
notifyCount = 0;
var existingItem = directory.GetFile("/newfoldername/dir/folder/newfile.txt");
existingItem.Update(new StringFileInfo("changed", "newfile.csv"));
Assert.Equal(0, notifyCount);
}
public void Can_Rename_A_Folder_With_Child_Items()
{
// arrange
// build a directory /root/child/grandchild
var rootFolder = new FolderDirectoryItem("root", null);
var childFolder = rootFolder.GetOrAddFolder("child");
var grandChildFolder = childFolder.GetOrAddFolder("grandchild");
// add a file /root/child/foo.txt
var fileInfo = new StringFileInfo("contents", "foo.txt");
var someOtherFile = childFolder.AddFile(fileInfo);
// add a file /root/child/grandchild/bar.txt
var barFile = grandChildFolder.AddFile(new StringFileInfo("should trigger", "bar.txt"));
// Subscribe to event handlers as we want to test if we are notified appropriately when
// a folder is renamed.
bool notified = false;
bool fileNotified = false;
// We are going to rename this folder, so we should see if we get notified that it is
// updated.
grandChildFolder.Updated += (sender, e) =>
{
DirectoryItemUpdatedEventArgs args = e;
IDirectoryItem oldItem = e.OldItem;
IDirectoryItem newItem = e.NewItem;
Assert.Equal("grandchild", oldItem.Name);
Assert.Equal("grandchild-renamed", newItem.Name);
notified = true;
};
// We are going to rename the folder which this file lives in, which means this files
// path will have changed. We should register to see if we get notified that it was updated.
barFile.Updated += (sender, e) =>
{
DirectoryItemUpdatedEventArgs args = e;
IDirectoryItem oldItem = e.OldItem;
IDirectoryItem newItem = e.NewItem;
Assert.Equal("bar.txt", oldItem.Name);
Assert.Equal("bar.txt", newItem.Name);
Assert.Equal("root/child/grandchild/bar.txt", oldItem.Path);
Assert.Equal("root/child/grandchild-renamed/bar.txt", newItem.Path);
fileNotified = true;
};
grandChildFolder.Rename("grandchild-renamed");
Assert.True(notified);
Assert.True(fileNotified);
}
public void Can_Rename_A_Folder()
{
var rootFolder = new FolderDirectoryItem("root", null);
var childFolder = rootFolder.GetOrAddFolder("child");
var fileInfo = new StringFileInfo("contents", "foo.txt");
var someOtherFile = childFolder.AddFile(fileInfo);
bool notified = false;
childFolder.Updated += (sender, e) =>
{
DirectoryItemUpdatedEventArgs args = e;
IDirectoryItem oldItem = e.OldItem;
IDirectoryItem newItem = e.NewItem;
Assert.Equal("child", oldItem.Name);
Assert.Equal("child-renamed", newItem.Name);
notified = true;
};
childFolder.Rename("child-renamed");
Assert.True(notified);
Assert.Equal("root/child-renamed/foo.txt", someOtherFile.Path);
}