public void Search_FilteringBySiteRankingSearchTopDomainByComOrgNet_ShouldBeEquivalentToLinq()
{
var topLevelDomains = new[] { "com", "net", "org " };
const int topLevelDomainRank = 1000;
var expected = _rows.Where(x => topLevelDomains.Contains(x.TopLevelDomain) && x.TopLevelDomainRank <= topLevelDomainRank).ToList();
var search = new SiteRankingSearch
{
TopLevelDomain = topLevelDomains,
TopLevelDomainRank = SearchCriteria.ByRange(1, topLevelDomainRank)
};
var actual = _table.Search(search);
var indexScores = _table.EvaluateIndexes(search);
CollectionAssert.AreEquivalent(expected, actual);
var searchWithPredicate = new SiteRankingSearch
{
TopLevelDomain = topLevelDomains,
TopLevelDomainRank = SearchCriteria.ByPredicate((int x) => x <= topLevelDomainRank)
};
var actualWithPredicate = _table.Search(searchWithPredicate);
var indexScoreWithPredicate = _table.EvaluateIndexes(searchWithPredicate);
CollectionAssert.AreEquivalent(expected, actualWithPredicate);
Assert.IsTrue(indexScores[0].Score < indexScoreWithPredicate[0].Score, "Search without predicate should have a better score");
}
public void GetScore_CriteriaEmpty_ShouldReturnScoreOf_1()
{
var rows = SiteRankingCollections.FirstTenRows;
var search = new SiteRankingSearch();
var expectedScore = new TableCriteriaScore(1, false);
TestGetScores(rows, search, expectedScore);
}
public void GetScore_CriteriaByRange_ShouldReturnScoreOf_Ratio()
{
var rows = SiteRankingCollections.FirstTenRows;
var search = new SiteRankingSearch {
TopLevelDomain = SearchCriteria.ByRange("ca", "com")
};
var expectedScore = new TableCriteriaScore(0.5f, true);
TestGetScores(rows, search, expectedScore);
}
public void GetScore_CriteriaByPredicate_ShouldReturnScoreOf_1()
{
var rows = SiteRankingCollections.First10000Rows;
var search = new SiteRankingSearch {
TopLevelDomain = SearchCriteria.ByPredicate((string x) => x.StartsWith("c"))
};
var expectedScore = new TableCriteriaScore(1, false);
TestGetScores(rows, search, expectedScore);
}
public void Reduce_CriteriaByPredicate_ShouldReturnNull()
{
var rows = SiteRankingCollections.First10000Rows;
var search = new SiteRankingSearch {
TopLevelDomain = SearchCriteria.ByPredicate((string x) => x == "ca")
};
var criteria = BuildCriteria(rows, search);
var actual = criteria.Reduce(new BinarySearchTable <SiteRanking>(rows));
Assert.IsNull(actual);
}
public void Reduce_CriteriaByValues_ShouldReturnSubset()
{
var rows = SiteRankingCollections.First10000Rows.OrderBy(x => x.TopLevelDomain).ToArray();
var search = new SiteRankingSearch {
TopLevelDomain = SearchCriteria.ByValues("ca", "com")
};
var criteria = BuildCriteria(rows, search);
var expected = rows.Where(x => x.TopLevelDomain == "ca" || x.TopLevelDomain == "com");
var actual = criteria.Reduce(new BinarySearchTable <SiteRanking>(rows));
CollectionAssert.AreEquivalent(expected.ToList(), actual.Materialize());
}
public void Reduce_CriteriaByRange_ShouldReturnSubset()
{
var rows = SiteRankingCollections.First10000Rows.OrderBy(x => x.TopLevelDomain).ToArray();
var search = new SiteRankingSearch {
TopLevelDomain = SearchCriteria.ByRange("com", "net")
};
var criteria = BuildCriteria(rows, search);
var expected = rows.Where(x => StringComparer.OrdinalIgnoreCase.Compare(x.TopLevelDomain, "com") >= 0 && StringComparer.OrdinalIgnoreCase.Compare(x.TopLevelDomain, "net") <= 0);
var actual = criteria.Reduce(new BinarySearchTable <SiteRanking>(rows));
CollectionAssert.AreEquivalent(expected.ToList(), actual.Materialize());
}
public void Search_FilteringByCanadianSitesInTop1000_ShouldBeEquivalentToLinqs()
{
const string topLevelDomain = "ca";
const int globalRank = 1000;
var expected = _rows.Where(x => x.TopLevelDomain == topLevelDomain && x.GlobalRank <= globalRank).ToList();
var search = new SiteRankingSearch
{
TopLevelDomain = topLevelDomain,
GlobalRank = SearchCriteria.ByRange(1, globalRank)
};
var actual = _table.Search(search);
CollectionAssert.AreEquivalent(expected, actual);
var actualWithGlobalIndex = _table.Search(search, _table.IndexGlobalRank);
CollectionAssert.AreEquivalent(expected, actualWithGlobalIndex);
}
private static void TestGetScores(SiteRanking[] rows, SiteRankingSearch search, TableCriteriaScore expectedScore)
{
var actualScore = BuildCriteria(rows, search)?.Score ?? TableCriteriaScore.NotOptimizable;
Assert.AreEqual(expectedScore, actualScore);
}
private static ITableCriteriaForMapping <SiteRanking, SiteRankingSearch> BuildCriteria(SiteRanking[] rows, SiteRankingSearch search)
{
TableMappingByValue <SiteRanking, SiteRankingSearch, string, SearchCriteria <string> > mapping = new TableMappingByValue <SiteRanking, SiteRankingSearch, string, SearchCriteria <string> >(rows, x => x.TopLevelDomain, x => x.TopLevelDomain, StringComparer.OrdinalIgnoreCase, StringComparer.OrdinalIgnoreCase);
return(mapping.ExtractCriteria(search));
}
