public void FolderDataSourceFactory_MakeDataSource()
{
IDataSource source = FolderDataSourceTests.CreateFolderDataSource().Source;
try
{
CollectionAssert.AreEquivalent(
FolderDataSourceTests.SuppliedFiles.Select(x => x.Path).ToArray(),
source.Select(x => x.Name).ToArray());
CollectionAssert.AreEquivalent(
FolderDataSourceTests.SuppliedDirectories.Select(x => x.Path).ToArray(),
source.GetSubDataSources().Select(x => x.Name).ToArray());
}
finally
{
source.Dispose();
}
}
public void FolderDataSource_OnChange()
{
const int expectedAdded = 3;
const int expectedChanged = 5;
const int expectedRemoved = 12;
const string addedPathFormatString = @"C:\Just\Got\Added{0}.txt";
const string changedPathFormatString = @"C:\Just\Got\Changed{0}.txt";
const string removedPathFormatString = @"C:\Just\Got\Removed{0}.txt";
DataSourceTuple tuple = FolderDataSourceTests.CreateFolderDataSource();
try
{
int actualAdded = 0;
int actualChanged = 0;
int actualRemoved = 0;
tuple.Source.OnChange += (obj, e) =>
{
if (e.EventType == DataSourceChangeEventType.Added)
{
actualAdded++;
}
else if (e.EventType == DataSourceChangeEventType.Changed)
{
actualChanged++;
}
else if (e.EventType == DataSourceChangeEventType.Removed)
{
actualRemoved++;
}
else
{
throw new InternalTestFailureException("Encountered unexpected `DataSourceChangeEventType`.");
}
};
for (int counter = 0; counter < expectedAdded; counter++)
{
tuple.InvokeAdded.Invoke(
null,
new MockFolderDataChangeEventArgs(
new FilePath(
string.Format(
CultureInfo.InvariantCulture,
addedPathFormatString,
counter)),
DataSourceChangeEventType.Added,
null));
}
for (int counter = 0; counter < expectedChanged; counter++)
{
tuple.InvokeChanged.Invoke(
null,
new MockFolderDataChangeEventArgs(
new FilePath(
string.Format(
CultureInfo.InvariantCulture,
changedPathFormatString,
counter)),
DataSourceChangeEventType.Changed,
null));
}
for (int counter = 0; counter < expectedRemoved; counter++)
{
tuple.InvokeRemoved.Invoke(
null,
new MockFolderDataChangeEventArgs(
new FilePath(
string.Format(
CultureInfo.InvariantCulture,
removedPathFormatString,
counter)),
DataSourceChangeEventType.Removed,
null));
}
Assert.AreEqual(expectedAdded, actualAdded);
Assert.AreEqual(expectedChanged, actualChanged);
Assert.AreEqual(expectedRemoved, actualRemoved);
}
finally
{
tuple.Source.Dispose();
}
}