/// <summary>
/// Test that queries based on reverse/ordFieldScore returns docs with expected score.
/// </summary>
/// <param name="field"></param>
/// <param name="inOrder"></param>
private void DoTestExactScore(string field, bool inOrder)
{
IndexReader r = DirectoryReader.Open(dir);
IndexSearcher s = NewSearcher(r);
ValueSource vs;
if (inOrder)
{
vs = new OrdFieldSource(field);
}
else
{
vs = new ReverseOrdFieldSource(field);
}
Query q = new FunctionQuery(vs);
TopDocs td = s.Search(q, null, 1000);
assertEquals("All docs should be matched!", N_DOCS, td.TotalHits);
ScoreDoc[] sd = td.ScoreDocs;
for (int i = 0; i < sd.Length; i++)
{
float score = sd[i].Score;
string id = s.IndexReader.Document(sd[i].Doc).Get(ID_FIELD);
Log("-------- " + i + ". Explain doc " + id);
Log(s.Explain(q, sd[i].Doc));
float expectedScore = N_DOCS - i - 1;
assertEquals("score of result " + i + " shuould be " + expectedScore + " != " + score, expectedScore, score, TEST_SCORE_TOLERANCE_DELTA);
string expectedId = inOrder ? Id2String(N_DOCS - i) : Id2String(i + 1); // reverse ==> smaller values first - in-order ==> larger values first
assertTrue("id of result " + i + " shuould be " + expectedId + " != " + score, expectedId.Equals(id, StringComparison.Ordinal));
}
r.Dispose();
}
public void TestEqualsNull()
{
OrdFieldSource ofs = new OrdFieldSource("f");
assertFalse(ofs.Equals(null));
ReverseOrdFieldSource rofs = new ReverseOrdFieldSource("f");
assertFalse(rofs.Equals(null));
}
/// <summary>
/// Test that queries based on reverse/ordFieldScore scores correctly
/// </summary>
/// <param name="field"></param>
/// <param name="inOrder"></param>
private void DoTestRank(string field, bool inOrder)
{
IndexReader r = DirectoryReader.Open(dir);
IndexSearcher s = NewSearcher(r);
ValueSource vs;
if (inOrder)
{
vs = new OrdFieldSource(field);
}
else
{
vs = new ReverseOrdFieldSource(field);
}
Query q = new FunctionQuery(vs);
Log("test: " + q);
QueryUtils.Check(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
Random, q, s);
ScoreDoc[] h = s.Search(q, null, 1000).ScoreDocs;
assertEquals("All docs should be matched!", N_DOCS, h.Length);
string prevID = inOrder
? "IE" // greater than all ids of docs in this test ("ID0001", etc.)
: "IC"; // smaller than all ids of docs in this test ("ID0001", etc.)
for (int i = 0; i < h.Length; i++)
{
string resID = s.Doc(h[i].Doc).Get(ID_FIELD);
Log(i + ". score=" + h[i].Score + " - " + resID);
Log(s.Explain(q, h[i].Doc));
if (inOrder)
{
assertTrue("res id " + resID + " should be < prev res id " + prevID, resID.CompareToOrdinal(prevID) < 0);
}
else
{
assertTrue("res id " + resID + " should be > prev res id " + prevID, resID.CompareToOrdinal(prevID) > 0);
}
prevID = resID;
}
r.Dispose();
}
