public void TestChangeOnFile_InvokesProcessor(int index, string filePath)
{
const string input = @"{
""file"": [ ""test1.html"", ""test2.html"" ],
""template"": [""templates/**.html""]
}
";
var fileSystem = new InMemoryFileSystem(new[]
{
"test1.html", "test2.html", "templates/tmpl1.html", "templates/tmpl2.html"
});
var result = Project.FromFile(input, fileSystem);
var item = result.GetItems().ToList()[index];
var processor = new Mock<IProjectObserver>(MockBehavior.Strict);
processor.Setup(f => f.NotifyItemChanged(result, item));
result.AddObserver(processor.Object);
fileSystem.Touch(filePath);
processor.VerifyAll();
}