private void SerializeChanges()
{
//Serialize changes even if the cache is not up to date to preserve as actual version as possible.
_fileSystemChanges.LastFullScanTime = _cacheUpToDate ? DateTime.Now : _lastFullScanTime;
_cacheSerializer.SerializeCacheChanges(_fileSystemChanges);
_fileSystemChanges = new FileSystemChanges();
}
public void DeserializeCache_WithExistingCacheAndChanges_CacheIsCorrect()
{
//Arrange
List <FileSystemItem> cacheItems = new List <FileSystemItem>
{
new FileSystemItem("name1", "folder1"),
new FileSystemItem("name1", "folder2"),
new FileSystemItem("C:\\")
};
FileSystemCache cache = new FileSystemCache(cacheItems, DateTime.Now.AddDays(-2));
_serializer.SerializeCache(cache);
List <FileSystemChangeEventArgs> changeItems = new List <FileSystemChangeEventArgs>
{
new FileSystemChangeEventArgs("folder1", null),
new FileSystemChangeEventArgs(null, "folder3"),
new FileSystemChangeEventArgs("folder2", "folder4")
};
DateTime dateTime = DateTime.Now;
FileSystemChanges changes = new FileSystemChanges {
Changes = changeItems, LastFullScanTime = dateTime
};
_serializer.SerializeCacheChanges(changes);
//Act
FileSystemCache actualCache = _serializer.DeserializeCache();
//Assert
//Serialization does not preserve milliseconds, so we use epsilon check.
Assert.That(dateTime - actualCache.LastFullScanTime, Is.LessThan(new TimeSpan(0, 0, 1)));
Assert.That(actualCache.Items.Count, Is.EqualTo(3));
Assert.That(actualCache.Items[0].FullPath, Is.EqualTo(Path.GetFullPath("C:\\")));
Assert.That(actualCache.Items[0].Name, Is.EqualTo(""));
Assert.That(actualCache.Items[1].FullPath, Is.EqualTo(Path.GetFullPath("folder3")));
Assert.That(actualCache.Items[1].Name, Is.EqualTo("folder3"));
Assert.That(actualCache.Items[2].FullPath, Is.EqualTo(Path.GetFullPath("folder4")));
Assert.That(actualCache.Items[2].Name, Is.EqualTo("folder4"));
}
