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LUCENE-6585: add some tests that coord is applied properly for nested conjunctions 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1687404 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2015-06-25 01:43:15 +00:00
parent 9dd97ffc42
commit 5a0a7728dc
1 changed files with 66 additions and 0 deletions
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66
lucene/core/src/test/org/apache/lucene/search/TestBooleanCoord.java
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@ -744,6 +744,72 @@ public class TestBooleanCoord extends LuceneTestCase {
assertScore(3, bq.build());
}
// nested cases, make sure conjunctions propagate scoring
public void testConjunctionNested() throws Exception {
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.add(term("A"), BooleanClause.Occur.MUST);
inner.add(term("B"), BooleanClause.Occur.MUST);
BooleanQuery.Builder outer = new BooleanQuery.Builder();
outer.add(inner.build(), BooleanClause.Occur.MUST);
outer.add(term("C"), BooleanClause.Occur.MUST);
float innerScore = (1 + 1) * 2/(2f+1);
float outerScore = (innerScore + 1) * 2/(2f+1);
assertScore(outerScore, outer.build());
}
public void testConjunctionNestedOuterCoordDisabled() throws Exception {
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.add(term("A"), BooleanClause.Occur.MUST);
inner.add(term("B"), BooleanClause.Occur.MUST);
BooleanQuery.Builder outer = new BooleanQuery.Builder();
outer.setDisableCoord(true);
outer.add(inner.build(), BooleanClause.Occur.MUST);
outer.add(term("C"), BooleanClause.Occur.MUST);
float innerScore = (1 + 1) * 2/(2f+1);
float outerScore = (innerScore + 1);
assertScore(outerScore, outer.build());
}
public void testConjunctionNestedInnerCoordDisabled() throws Exception {
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.setDisableCoord(true);
inner.add(term("A"), BooleanClause.Occur.MUST);
inner.add(term("B"), BooleanClause.Occur.MUST);
BooleanQuery.Builder outer = new BooleanQuery.Builder();
outer.add(inner.build(), BooleanClause.Occur.MUST);
outer.add(term("C"), BooleanClause.Occur.MUST);
float innerScore = (1 + 1);
float outerScore = (innerScore + 1) * 2/(2f+1);
assertScore(outerScore, outer.build());
}
public void testConjunctionNestedCoordDisabledEverywhere() throws Exception {
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.setDisableCoord(true);
inner.add(term("A"), BooleanClause.Occur.MUST);
inner.add(term("B"), BooleanClause.Occur.MUST);
BooleanQuery.Builder outer = new BooleanQuery.Builder();
outer.setDisableCoord(true);
outer.add(inner.build(), BooleanClause.Occur.MUST);
outer.add(term("C"), BooleanClause.Occur.MUST);
float innerScore = (1 + 1);
float outerScore = (innerScore + 1);
assertScore(outerScore, outer.build());
}
public void testConjunctionNestedSingle() throws Exception {
BooleanQuery.Builder inner = new BooleanQuery.Builder();
inner.add(term("A"), BooleanClause.Occur.MUST);
inner.add(term("B"), BooleanClause.Occur.MUST);
BooleanQuery.Builder outer = new BooleanQuery.Builder();
outer.add(inner.build(), BooleanClause.Occur.MUST);
float innerScore = (1 + 1) * 2/(2f+1);
// LUCENE-4300: coord(1,1) is always treated as 1
float outerScore = innerScore * 1;
assertScore(outerScore, outer.build());
}
/** asserts score for our single matching good doc */
private void assertScore(final float expected, Query query) throws Exception {
// test in-order