Examples with IDFValueSource org.apache.lucene.queries.function.valuesource.IDFValueSource used on opensource projects

Example 1 with IDFValueSource

use of org.apache.lucene.queries.function.valuesource.IDFValueSource in project lucene-solr by apache.

the class TestValueSources method testIDF.

public void testIDF() throws Exception {
    Similarity saved = searcher.getSimilarity(true);
    try {
        searcher.setSimilarity(new ClassicSimilarity());
        ValueSource vs = new IDFValueSource("bogus", "bogus", "text", new BytesRef("test"));
        assertHits(new FunctionQuery(vs), new float[] { 1.0f, 1.0f });
        assertAllExist(vs);
    } finally {
        searcher.setSimilarity(saved);
    }
}