public async Task TestCreatedAndRenamedEvents()
{
var fileSystemWatcherWrapperMock = new Mock<IFileSystemWatcher>();
var pathServiceMock = new Mock<IPathService>();
pathServiceMock
.Setup(m => m.GetParentDirectory(It.IsAny<string>()))
.Returns(DirectoryPath);
var configuration = GetConfiguration();
var decorator = new AggregatingFileSystemWatcherDecorator(pathServiceMock.Object,
fileSystemWatcherWrapperMock.Object, configuration);
var actualCallsCount = 0;
var isCallbackCalled = false;
decorator.Created += (sender, args) =>
{
Assert.Equal(WatcherChangeTypes.Created, args.ChangeType);
Assert.Equal(NewFileName, args.Name);
actualCallsCount++;
};
decorator.Renamed += (sender, args) => isCallbackCalled = false;
var createdArgs = new FileSystemEventArgs(WatcherChangeTypes.Created, DirectoryPath, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Created += null, createdArgs);
var renamedArgs = new RenamedEventArgs(WatcherChangeTypes.Renamed, DirectoryPath, NewFileName, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Renamed += null, renamedArgs);
await Task.Delay(DelayIntervalMs);
Assert.Equal(1, actualCallsCount);
Assert.False(isCallbackCalled);
}
public async Task TestChangedEvents()
{
var fileSystemWatcherWrapperMock = new Mock<IFileSystemWatcher>();
var pathServiceMock = new Mock<IPathService>();
var configuration = GetConfiguration();
var decorator = new AggregatingFileSystemWatcherDecorator(pathServiceMock.Object,
fileSystemWatcherWrapperMock.Object, configuration);
var actualCallsCount = 0;
decorator.Changed += (sender, args) =>
{
Assert.Equal(WatcherChangeTypes.Changed, args.ChangeType);
Assert.Equal(FileName, args.Name);
actualCallsCount++;
};
for (var i = 0; i < 10; i++)
{
var changedArgs = new FileSystemEventArgs(WatcherChangeTypes.Changed, DirectoryPath, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Changed += null, changedArgs);
}
await Task.Delay(DelayIntervalMs);
Assert.Equal(1, actualCallsCount);
}
public async Task TestCreatedAndDeletedEvents()
{
var fileSystemWatcherWrapperMock = new Mock <IFileSystemWatcher>();
var pathServiceMock = new Mock <IPathService>();
var configuration = GetConfiguration();
var decorator = new AggregatingFileSystemWatcherDecorator(pathServiceMock.Object,
fileSystemWatcherWrapperMock.Object, configuration);
var isCallbackCalled = false;
decorator.Created += (sender, args) => isCallbackCalled = true;
decorator.Deleted += (sender, args) => isCallbackCalled = true;
var createdArgs = new FileSystemEventArgs(WatcherChangeTypes.Created, DirectoryPath, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Created += null, createdArgs);
var changedArgs = new FileSystemEventArgs(WatcherChangeTypes.Deleted, DirectoryPath, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Deleted += null, changedArgs);
await Task.Delay(DelayIntervalMs);
Assert.False(isCallbackCalled);
}
public async Task TestCleanup()
{
var fileSystemWatcherWrapperMock = new Mock <IFileSystemWatcher>();
fileSystemWatcherWrapperMock
.Setup(m => m.Dispose())
.Verifiable();
fileSystemWatcherWrapperMock
.Setup(m => m.StopRaisingEvents())
.Verifiable();
var pathServiceMock = new Mock <IPathService>();
var configuration = GetConfiguration();
var decorator = new AggregatingFileSystemWatcherDecorator(pathServiceMock.Object,
fileSystemWatcherWrapperMock.Object, configuration);
var isCallbackCalled = false;
decorator.Changed += (sender, args) => isCallbackCalled = true;
decorator.StopRaisingEvents();
decorator.Dispose();
for (var i = 0; i < 10; i++)
{
var changedArgs = new FileSystemEventArgs(WatcherChangeTypes.Changed, DirectoryPath, FileName);
fileSystemWatcherWrapperMock.Raise(m => m.Changed += null, changedArgs);
}
await Task.Delay(DelayIntervalMs);
Assert.False(isCallbackCalled);
fileSystemWatcherWrapperMock.Verify(m => m.StopRaisingEvents(), Times.Once);
fileSystemWatcherWrapperMock.Verify(m => m.Dispose(), Times.Once);
}