Examples with Similarity org.apache.lucene.search.similarities.Similarity used on opensource projects

Example 31 with Similarity

use of org.apache.lucene.search.similarities.Similarity in project lucene-solr by apache.

the class ChangedSchemaMergeTest method testSanityOfSchemaSimilarityFactoryInform.

public void testSanityOfSchemaSimilarityFactoryInform() {
    // sanity check that SchemaSimilarityFactory will throw an Exception if you
    // try to use it w/o inform(SolrCoreAware) otherwise assertSimilarity is useless
    SchemaSimilarityFactory broken = new SchemaSimilarityFactory();
    broken.init(new ModifiableSolrParams());
    // NO INFORM
    try {
        Similarity bogus = broken.getSimilarity();
        fail("SchemaSimilarityFactory should have thrown IllegalStateException b/c inform not used");
    } catch (IllegalStateException expected) {
        assertTrue("GOT: " + expected.getMessage(), expected.getMessage().contains("SolrCoreAware.inform"));
    }
}

Example 32 with Similarity

use of org.apache.lucene.search.similarities.Similarity in project lucene-solr by apache.

the class TestPerFieldSimilarity method testFactory.

/** test a field where a configurable sim factory is defined */
public void testFactory() throws Exception {
    Similarity sim = getSimilarity("sim2text");
    assertEquals(MockConfigurableSimilarity.class, sim.getClass());
    assertEquals("is there an echo?", ((MockConfigurableSimilarity) sim).getPassthrough());
}

Example 33 with Similarity

use of org.apache.lucene.search.similarities.Similarity in project lucene-solr by apache.

the class TestPerFieldSimilarity method testDefaultsDynamic.

/** ... and for a dynamic field */
public void testDefaultsDynamic() throws Exception {
    Similarity sim = getSimilarity("text_sim3");
    assertEquals(BM25Similarity.class, sim.getClass());
}

Example 34 with Similarity

use of org.apache.lucene.search.similarities.Similarity in project lucene-solr by apache.

the class TestSweetSpotSimilarityFactory method computeNorm.

private static float computeNorm(Similarity sim, int length) throws IOException {
    String value = IntStream.range(0, length).mapToObj(i -> "a").collect(Collectors.joining(" "));
    Directory dir = newDirectory();
    IndexWriter w = new IndexWriter(dir, newIndexWriterConfig().setSimilarity(sim));
    w.addDocument(Collections.singleton(newTextField("foo", value, Store.NO)));
    DirectoryReader reader = DirectoryReader.open(w);
    w.close();
    IndexSearcher searcher = new IndexSearcher(reader);
    searcher.setSimilarity(sim);
    Explanation expl = searcher.explain(new TermQuery(new Term("foo", "a")), 0);
    reader.close();
    dir.close();
    Explanation norm = findExplanation(expl, "fieldNorm");
    assertNotNull(norm);
    return norm.getValue();
}

Example 35 with Similarity

use of org.apache.lucene.search.similarities.Similarity in project lucene-solr by apache.

the class TestDFRSimilarityFactory method test.

/** dfr with default parameters */
public void test() throws Exception {
    Similarity sim = getSimilarity("text");
    assertEquals(DFRSimilarity.class, sim.getClass());
    DFRSimilarity dfr = (DFRSimilarity) sim;
    assertEquals(BasicModelIF.class, dfr.getBasicModel().getClass());
    assertEquals(AfterEffectB.class, dfr.getAfterEffect().getClass());
    assertEquals(NormalizationH2.class, dfr.getNormalization().getClass());
}