public void DownloadsCommentPagesCorrectly()
{
int source = 4;
int total = 10;
ILJClient clientMock = MockRepository.GenerateMock <ILJClient>();
ILayerParser parserMock = MockRepository.GenerateMock <ILayerParser>();
// Creates a comment pages object by page index.
Func <int, CommentPages> createCpByPage = cpi =>
{
CommentPages c = new CommentPages();
c.Current = cpi;
c.Total = total;
if (c.Current != 1)
{
c.FirstUrl = new LiveJournalTarget("galkovsky", 1, page: 1).ToString();
c.PrevUrl = new LiveJournalTarget("galkovsky", 1, page: c.Current - 1).ToString();
}
if (c.Current != total)
{
c.LastUrl = new LiveJournalTarget("galkovsky", 1, page: total).ToString();
c.NextUrl = new LiveJournalTarget("galkovsky", 1, page: c.Current + 1).ToString();
}
return(c);
};
clientMock.Expect(z => z.GetContent(Arg <LiveJournalTarget> .Is.NotNull, Arg <ILJClientData> .Is.Null))
.Return(null)
.WhenCalled(
_ =>
{
LiveJournalTarget t = (LiveJournalTarget)_.Arguments[0];
int page = t.Page.Value;
_.ReturnValue = page.ToString();
}
);
parserMock.Expect(z => z.ParseAsAnEntryPage(Arg <string> .Is.Anything))
.Return(null)
.WhenCalled(
_ =>
{
string req = (string)_.Arguments[0];
EntryPage ep = new EntryPage();
ep.CommentPages = createCpByPage(int.Parse(req));
_.ReturnValue = ep;
}
);
OtherPagesLoader opl = new OtherPagesLoader(parserMock, clientMock);
// This is the source object we get from an entry page.
CommentPages cp = createCpByPage(source);
EntryPage[] others = opl.LoadOtherCommentPages(cp, null);
Assert.AreEqual(total - 1, others.Length);
IEnumerable <int> numbersWeExpect = Enumerable.Range(1, total)
.Where(z => z != source);
IEnumerable <int> numbersWeHave = others.Select(z => z.CommentPages.Current);
CollectionAssert.AreEqual(numbersWeExpect, numbersWeHave);
}
