@Test public void testRewriteEmptyClauses() throws IOException { final TwigQuery tq = new TwigQuery(2); tq.addRoot(new NodeTermQuery(new Term("field", "value"))); tq.setBoost(0.5f); // it must be rewritten into the root query final NodeQuery q = (NodeQuery) tq.rewrite(null); assertTrue(q instanceof NodeTermQuery); assertEquals(2, q.getLevelConstraint()); assertEquals(tq.getBoost(), q.getBoost(), 0); assertSame(tq.ancestor, q.ancestor); }
@Test public void testRewriteTwigQueryRoot() throws IOException { // if the root node of a twig query is another twig query, then they must // be merged final TwigQuery tq2 = new TwigQuery(2); tq2.addRoot(new NodeTermQuery(new Term("root2", "root2"))); tq2.addChild(new NodeTermQuery(new Term("child2", "child2")), Occur.MUST); tq2.setBoost(0.5f); final TwigQuery tq1 = new TwigQuery(); tq1.addRoot(tq2); tq1.addChild(new NodeTermQuery(new Term("child1", "child1")), Occur.MUST); tq1.setBoost(0.5f); final NodeQuery q = (NodeQuery) tq1.rewrite(null); assertTrue(q instanceof TwigQuery); final TwigQuery tq = (TwigQuery) q; // level and boosst must be the same than for tq1 assertEquals(1, tq.getLevelConstraint()); assertEquals(tq.getBoost(), tq1.getBoost(), 0); // root must not be the same than for tq2 (it has been cloned) assertNotSame(tq.getRoot(), tq2.getRoot()); // root must be equal to the root of tq2 assertEquals(tq.getRoot(), tq2.getRoot()); // clauses must be merged assertEquals(2, tq.clauses().size()); for (final NodeBooleanClause clause : tq.clauses()) { assertEquals(2, clause.getQuery().getLevelConstraint()); assertSame(tq.getRoot(), clause.getQuery().ancestor); } }
@Test public void testRewriteEmptyRoot() throws IOException { TwigQuery tq = new TwigQuery(2); tq.setBoost(0.5f);
query.setBoost(this.getBoost());