@Test
public void selectDistance() throws RecognitionException {
String queryString = "select * where a contains 'foo'";
ANTLRStringStream in = new ANTLRStringStream(queryString);
QueryFilterLexer lexer = new QueryFilterLexer(in);
TokenRewriteStream tokens = new TokenRewriteStream(lexer);
QueryFilterParser parser = new QueryFilterParser(tokens);
Query query = parser.ql().query;
ContainsOperand operand = (ContainsOperand) query.getRootOperand();
assertEquals("a", operand.getProperty().getValue());
assertEquals("foo", operand.getString().getValue());
}
@Test
public void containsOr() throws Exception {
String queryString = "select * where keywords contains 'hot' or title contains 'hot'";
ANTLRStringStream in = new ANTLRStringStream(queryString);
QueryFilterLexer lexer = new QueryFilterLexer(in);
TokenRewriteStream tokens = new TokenRewriteStream(lexer);
QueryFilterParser parser = new QueryFilterParser(tokens);
Query query = parser.ql().query;
OrOperand rootNode = (OrOperand) query.getRootOperand();
assertNotNull(rootNode);
ContainsOperand left = (ContainsOperand) rootNode.getLeft();
assertEquals("keywords", left.getProperty().getValue());
assertEquals("hot", left.getString().getValue());
assertEquals("hot", left.getString().getEndValue());
ContainsOperand right = (ContainsOperand) rootNode.getRight();
assertEquals("title", right.getProperty().getValue());
assertEquals("hot", right.getString().getValue());
assertEquals("hot", right.getString().getEndValue());
}