public void Folder_Path_Is_Null_For_Check_Existence()
{
string path = null;
var mockFileSystem = new MockFileSystem();
var sut = new FolderManager(mockFileSystem);
Assert.That(() => sut.IsFolderExists(path), Throws.TypeOf <ArgumentNullException>());
}
public void Folder_Exists_By_Path()
{
string path = @"C:\\TargetFolder\Target";
var mockFileSystem = new MockFileSystem();
mockFileSystem.AddDirectory(path);
var sut = new FolderManager(mockFileSystem);
Assert.That(sut.IsFolderExists(path), Is.True);
}