Examples with DisjunctionMaxQueryParser org.apache.solr.util.SolrPluginUtils.DisjunctionMaxQueryParser used on opensource projects

Example 1 with DisjunctionMaxQueryParser

use of org.apache.solr.util.SolrPluginUtils.DisjunctionMaxQueryParser in project lucene-solr by apache.

the class SolrPluginUtilsTest method testDisjunctionMaxQueryParser.

@Test
public void testDisjunctionMaxQueryParser() throws Exception {
    Query out;
    String t;
    SolrQueryRequest req = req("df", "text");
    QParser qparser = QParser.getParser("hi", "dismax", req);
    DisjunctionMaxQueryParser qp = new SolrPluginUtils.DisjunctionMaxQueryParser(qparser, req.getParams().get("df"));
    qp.addAlias("hoss", 0.01f, SolrPluginUtils.parseFieldBoosts("title^2.0 title_stemmed name^1.2 subject^0.5"));
    qp.addAlias("test", 0.01f, SolrPluginUtils.parseFieldBoosts("text^2.0"));
    qp.addAlias("unused", 1.0f, SolrPluginUtils.parseFieldBoosts("subject^0.5 sind^1.5"));
    /* first some sanity tests that don't use aliasing at all */
    t = "XXXXXXXX";
    out = qp.parse(t);
    assertNotNull(t + " sanity test gave back null", out);
    assertTrue(t + " sanity test isn't TermQuery: " + out.getClass(), out instanceof TermQuery);
    assertEquals(t + " sanity test is wrong field", qp.getDefaultField(), ((TermQuery) out).getTerm().field());
    t = "subject:XXXXXXXX";
    out = qp.parse(t);
    assertNotNull(t + " sanity test gave back null", out);
    assertTrue(t + " sanity test isn't TermQuery: " + out.getClass(), out instanceof TermQuery);
    assertEquals(t + " sanity test is wrong field", "subject", ((TermQuery) out).getTerm().field());
    /* field has untokenzied type, so this should be a term anyway */
    t = "sind:\"simple phrase\"";
    out = qp.parse(t);
    assertNotNull(t + " sanity test gave back null", out);
    assertTrue(t + " sanity test isn't TermQuery: " + out.getClass(), out instanceof TermQuery);
    assertEquals(t + " sanity test is wrong field", "sind", ((TermQuery) out).getTerm().field());
    t = "subject:\"simple phrase\"";
    out = qp.parse(t);
    assertNotNull(t + " sanity test gave back null", out);
    assertTrue(t + " sanity test isn't PhraseQuery: " + out.getClass(), out instanceof PhraseQuery);
    assertEquals(t + " sanity test is wrong field", "subject", ((PhraseQuery) out).getTerms()[0].field());
    /* now some tests that use aliasing */
    /* basic usage of single "term" */
    t = "hoss:XXXXXXXX";
    out = qp.parse(t);
    assertNotNull(t + " was null", out);
    assertTrue(t + " wasn't a DMQ:" + out.getClass(), out instanceof DisjunctionMaxQuery);
    assertEquals(t + " wrong number of clauses", 4, countItems(((DisjunctionMaxQuery) out).iterator()));
    /* odd case, but should still work, DMQ of one clause */
    t = "test:YYYYY";
    out = qp.parse(t);
    assertNotNull(t + " was null", out);
    assertTrue(t + " wasn't a DMQ:" + out.getClass(), out instanceof DisjunctionMaxQuery);
    assertEquals(t + " wrong number of clauses", 1, countItems(((DisjunctionMaxQuery) out).iterator()));
    /* basic usage of multiple "terms" */
    t = "hoss:XXXXXXXX test:YYYYY";
    out = qp.parse(t);
    assertNotNull(t + " was null", out);
    assertTrue(t + " wasn't a boolean:" + out.getClass(), out instanceof BooleanQuery);
    {
        BooleanQuery bq = (BooleanQuery) out;
        List<BooleanClause> clauses = new ArrayList<>(bq.clauses());
        assertEquals(t + " wrong number of clauses", 2, clauses.size());
        Query sub = clauses.get(0).getQuery();
        assertTrue(t + " first wasn't a DMQ:" + sub.getClass(), sub instanceof DisjunctionMaxQuery);
        assertEquals(t + " first had wrong number of clauses", 4, countItems(((DisjunctionMaxQuery) sub).iterator()));
        sub = clauses.get(1).getQuery();
        assertTrue(t + " second wasn't a DMQ:" + sub.getClass(), sub instanceof DisjunctionMaxQuery);
        assertEquals(t + " second had wrong number of clauses", 1, countItems(((DisjunctionMaxQuery) sub).iterator()));
    }
    /* a phrase, and a term that is a stop word for some fields */
    t = "hoss:\"XXXXXX YYYYY\" hoss:the";
    out = qp.parse(t);
    assertNotNull(t + " was null", out);
    assertTrue(t + " wasn't a boolean:" + out.getClass(), out instanceof BooleanQuery);
    {
        BooleanQuery bq = (BooleanQuery) out;
        List<BooleanClause> clauses = new ArrayList<>(bq.clauses());
        assertEquals(t + " wrong number of clauses", 2, clauses.size());
        Query sub = clauses.get(0).getQuery();
        assertTrue(t + " first wasn't a DMQ:" + sub.getClass(), sub instanceof DisjunctionMaxQuery);
        assertEquals(t + " first had wrong number of clauses", 4, countItems(((DisjunctionMaxQuery) sub).iterator()));
        sub = clauses.get(1).getQuery();
        assertTrue(t + " second wasn't a DMQ:" + sub.getClass(), sub instanceof DisjunctionMaxQuery);
        assertEquals(t + " second had wrong number of clauses (stop words)", 2, countItems(((DisjunctionMaxQuery) sub).iterator()));
    }
}