public async Task Enumerate_should_go_through_all_records()
{
var pager = new Pager(30);
var list = await pager.Enumerate(page => _client.GetResponse(page.Number, page.MaxSize));
list.Should().BeEquivalentTo(_expectedList);
await _client.Received(4).GetResponse(Arg.Any <int>(), Arg.Any <int>());
}
public PagerTests()
{
_expectedList = Enumerable.Range(0, 100);
_client = Substitute.For <IResponseClient>();
_client.GetResponse(Arg.Any <int>(), Arg.Any <int>())
.Returns(ci => _expectedList.Skip(((int)ci[0] - 1) * (int)ci[1]).Take((int)ci[1]).ToList().AsResponse());
}