public void GivenResource_WhenFileRemoved_ThenResourceDeleted()
{
// Arrange
var directory = Directory.CreateDirectory(Guid.NewGuid().ToString());
var resource = new Resource
{
Name = Guid.NewGuid().ToString(),
Path = directory.FullName,
Hash = Guid.NewGuid().ToString(),
Size = 200
};
var context = DbContextFactory.CreateImMemory();
context.Resources.Add(resource);
context.SaveChanges();
// Act
using (var monitor = new FolderMonitor(context, scanFrequencySeconds: 20))
{
monitor.StartMonitoring(
new[] { directory.FullName });
Thread.Sleep((int)TimeSpan.FromSeconds(10).TotalMilliseconds);
}
// Assert
Assert.Empty(context.Resources);
directory.Delete();
}
public void GivenFolder_WhenFolderEmpty_ThenFolderScanned()
{
// Arrange
var directory = Directory.CreateDirectory(Guid.NewGuid().ToString());
var context = DbContextFactory.CreateImMemory();
var monitor = new FolderMonitor(context, scanFrequencySeconds: 20);
// Act
var recorded = Record.Exception(
() => Assert.Raises <ResourceAddedEventArgs>(
handler => monitor.ResourceAdded += handler,
handler => monitor.ResourceAdded -= handler,
() =>
{
using (monitor)
{
monitor.StartMonitoring(new[] { directory.FullName });
Thread.Sleep((int)TimeSpan.FromSeconds(5).TotalMilliseconds);
}
}));
// Assert
Assert.IsType <RaisesException>(recorded);
Assert.Empty(context.Resources);
directory.Delete();
}
public void GivenTrackedFile_WhenFileChanged_ThenFileUpdated()
{
// Arrange
var directory = Directory.CreateDirectory(Guid.NewGuid().ToString());
var fileName = Guid.NewGuid().ToString();
using (var writer = File.CreateText(Path.Combine(directory.FullName, fileName)))
{
writer.WriteLine("Hello world!");
}
var resource = new Resource
{
Name = fileName,
Path = directory.FullName,
Hash = Guid.NewGuid().ToString(),
Size = 0
};
var context = DbContextFactory.CreateImMemory();
context.Resources.Add(resource);
context.SaveChanges();
// Act
var monitor = new FolderMonitor(context, scanFrequencySeconds: 20);
var raised = Assert.Raises <ResourceChangedEventArgs>(
handler => monitor.ResourceChanged += handler,
handler => monitor.ResourceChanged -= handler,
() =>
{
using (monitor)
{
monitor.StartMonitoring(
new[] { directory.FullName });
Thread.Sleep((int)TimeSpan.FromSeconds(5).TotalMilliseconds);
}
});
// Assert
Assert.NotNull(raised);
Assert.Equal(monitor, raised.Sender);
var fileInfo = new FileInfo(Path.Combine(directory.FullName, fileName));
AssertEventArgs(fileInfo, raised.Arguments);
resource = context.Resources.FirstOrDefault(r => r.Name == fileInfo.Name);
Assert.NotNull(resource);
AssertResource(fileInfo, resource);
fileInfo.Delete();
directory.Delete();
}
public void GivenFolders_WhenOneFolderNotEmpty_ThenNewResourcesAdded()
{
// Arrange
var emptyDir = Directory.CreateDirectory(Guid.NewGuid().ToString());
var notEmptyDir = Directory.CreateDirectory(Guid.NewGuid().ToString());
var filePath = Path.Combine(notEmptyDir.FullName, Guid.NewGuid().ToString());
using (var writer = File.CreateText(filePath))
{
writer.WriteLine("Hello world!");
}
// Act
var context = DbContextFactory.CreateImMemory();
var monitor = new FolderMonitor(context, scanFrequencySeconds: 20);
var raised = Assert.Raises <ResourceAddedEventArgs>(
handler => monitor.ResourceAdded += handler,
handler => monitor.ResourceAdded -= handler,
() =>
{
using (monitor)
{
monitor.StartMonitoring(
new[] { emptyDir.FullName, notEmptyDir.FullName });
Thread.Sleep((int)TimeSpan.FromSeconds(5).TotalMilliseconds);
}
});
// Assert
Assert.NotNull(raised);
Assert.Equal(monitor, raised.Sender);
var fileInfo = new FileInfo(filePath);
AssertEventArgs(fileInfo, raised.Arguments);
var resource = context.Resources.FirstOrDefault(r => r.Name == fileInfo.Name);
Assert.NotNull(resource);
AssertResource(fileInfo, resource);
fileInfo.Delete();
notEmptyDir.Delete();
emptyDir.Delete();
}