public void GetOrAddFilePathChangeToken_DoesNotAddsPollingChangeTokenWhenCallbackIsDisabled()
{
using (var root = new DisposableFileSystem())
using (var fileSystemWatcher = new MockFileSystemWatcher(root.RootPath))
using (var physicalFilesWatcher = new PhysicalFilesWatcher(root.RootPath + Path.DirectorySeparatorChar, fileSystemWatcher, pollForChanges: false))
{
var changeToken = physicalFilesWatcher.GetOrAddFilePathChangeToken("some-path");
Assert.IsType <CancellationChangeToken>(changeToken);
Assert.Empty(physicalFilesWatcher.PollingChangeTokens);
}
}
public void GetOrAddFilePathChangeToken_AddsPollingChangeTokenWhenPollingIsEnabled()
{
using (var root = new DisposableFileSystem())
using (var fileSystemWatcher = new MockFileSystemWatcher(root.RootPath))
using (var physicalFilesWatcher = new PhysicalFilesWatcher(root.RootPath + Path.DirectorySeparatorChar, fileSystemWatcher, pollForChanges: true))
{
var changeToken = physicalFilesWatcher.GetOrAddFilePathChangeToken("some-path");
var compositeChangeToken = Assert.IsType <CompositeChangeToken>(changeToken);
Assert.Collection(
compositeChangeToken.ChangeTokens,
token => Assert.IsType <CancellationChangeToken>(token),
token =>
{
var pollingChangeToken = Assert.IsType <PollingFileChangeToken>(token);
Assert.Null(pollingChangeToken.CancellationTokenSource);
Assert.False(pollingChangeToken.ActiveChangeCallbacks);
});
Assert.Empty(physicalFilesWatcher.PollingChangeTokens);
}
}
public void GetOrAddFilePathChangeToken_AddsPollingChangeTokenWithCancellationToken_WhenActiveCallbackIsTrue()
{
using (var root = new TempDirectory(GetTestFilePath()))
using (var fileSystemWatcher = new MockFileSystemWatcher(root.Path))
using (var physicalFilesWatcher = new PhysicalFilesWatcher(root.Path + Path.DirectorySeparatorChar, fileSystemWatcher, pollForChanges: true))
{
physicalFilesWatcher.UseActivePolling = true;
var changeToken = physicalFilesWatcher.GetOrAddFilePathChangeToken("some-path");
var compositeChangeToken = Assert.IsType <CompositeChangeToken>(changeToken);
Assert.Collection(
compositeChangeToken.ChangeTokens,
token => Assert.IsType <CancellationChangeToken>(token),
token =>
{
var pollingChangeToken = Assert.IsType <PollingFileChangeToken>(token);
Assert.NotNull(pollingChangeToken.CancellationTokenSource);
Assert.True(pollingChangeToken.ActiveChangeCallbacks);
});
Assert.NotEmpty(physicalFilesWatcher.PollingChangeTokens);
}
}
