public async Task NextPage_ReturnsFirstPageAsync()
{
// arrange
var proxyIterator = new TwitterIteratorProxy <IUserIdentifier[], long, string>(_source, _transform);
// act
var page = await proxyIterator.NextPageAsync();
// assert
Assert.False(page.IsLastPage);
Assert.False(proxyIterator.Completed);
Assert.Equal("cursor_for_page_2", page.NextCursor);
Assert.Equal("cursor_for_page_2", proxyIterator.NextCursor);
Assert.Equal(_page1UserIds, page.ToArray());
}
public async Task NextPageSecondTimes_ReturnsSecondPageAsync()
{
// arrange
var proxyIterator = new TwitterIteratorProxy <IUserIdentifier[], long, string>(_source, _transform);
// 1st iteration
await proxyIterator.NextPageAsync();
// act
var page = await proxyIterator.NextPageAsync();
// assert
Assert.True(page.IsLastPage);
Assert.True(proxyIterator.Completed);
Assert.Equal("0", page.NextCursor);
Assert.Equal("0", proxyIterator.NextCursor);
Assert.Equal(_page2UserIds, page.ToArray());
}