public static void CommonGetListStartReferenceTestBody <T>(this BaseTest test,
Func <int> maxLimitSelector,
Func <int, List <T> > fullListSelector,
Func <int?, int?, string, T[]> listSelector,
Func <T, string> tokenSelector,
Action <IEnumerable <T>, IEnumerable <T>, string, string> listComparisonAction,
Func <T, T, StringBuilder, bool> itemComparison,
string itemName,
RunStepDelegate runStepDelegate,
AssertDelegate assert)
{
int maxLimit = maxLimitSelector();
List <T> infos = fullListSelector(maxLimit);
if (infos == null || infos.Count == 0)
{
return;
}
test.ValidateTokensInList(infos, tokenSelector, assert);
int count = infos.Count;
// one last item
if (count > 1)
{
T[] shortList = listSelector(maxLimit, count - 1, string.Format("Get {0} list with offset = {1}", itemName, count - 1));
test.CheckRequestedInfo <T>(shortList, infos[count - 1], tokenSelector, itemComparison, itemName, assert);
}
// first "maxLimit" items
{
List <T> expected = infos.Take(maxLimit).ToList();
T[] actual = listSelector(maxLimit, 0, string.Format("Get {0} list with offset = 0", itemName));
test.ValidateTokensInList(actual, tokenSelector, assert);
listComparisonAction(expected, actual, string.Format("of first {0} {1}", maxLimit, itemName),
"received when passing offset=0");
}
if (count > 2)
{
int offset = count / 2; // 3 => 1, 4 => 2, 5 => 2, 6 => 3
System.Diagnostics.Debug.WriteLine(string.Format("Get {0} with offset = {1}", itemName, offset));
// expected list
T[] infosArray = infos.ToArray();
int cnt = Math.Min(maxLimit, count - offset);
T[] expected = new T[cnt];
Array.Copy(infosArray, offset, expected, 0, cnt);
T[] actual = listSelector(maxLimit, offset, string.Format("Get {0} list with offset = {1}", itemName, offset));
test.ValidateTokensInList(actual, tokenSelector, assert);
test.ValidateSubset(actual, expected, itemName, tokenSelector, itemComparison, assert);
}
}
