public async Task CompileAsync_InvalidatesCache_IfChangeTokenExpires()
{
// Arrange
var path = "/Views/Home/Index.cshtml";
var fileProvider = new TestFileProvider();
var fileNode = fileProvider.AddFile(path, "some content");
var viewCompiler = GetViewCompiler(fileProvider);
// Act 1
var result1 = await viewCompiler.CompileAsync(path);
// Assert 1
Assert.NotNull(result1.Item);
// Act 2
// Simulate deleting the file
fileProvider.GetChangeToken(path).HasChanged = true;
fileProvider.DeleteFile(path);
viewCompiler.Compile = _ => throw new Exception("Can't call me");
var result2 = await viewCompiler.CompileAsync(path);
// Assert 2
Assert.NotSame(result1, result2);
Assert.Null(result2.Item);
}
