LingualQueryCreatorTest.java 文件源码

@Test
public void itShouldGenerateLingualQueryWithMultipleCondition() {

    remoteFilterJson.setCondition("f1 = 'or maybe' AND f1 <> 'or mat' and f3 between 10 and 20");

    ANTLRInputStream stream = new ANTLRInputStream(remoteFilterJson.getCondition());
    QueryParserLexer lexer = new QueryParserLexer(stream);
    CommonTokenStream tokenStream = new CommonTokenStream(lexer);
    QueryParserParser parser = new QueryParserParser(tokenStream);
    parser.removeErrorListeners();
    LingualQueryCreator customVisitor = new LingualQueryCreator(remoteFilterJson.getSchema());
    String lingualExpression = customVisitor.visit(parser.eval());
    Assert.assertEquals(
            "\"f1\" = 'or maybe'  AND  \"f1\" <> 'or mat'  and  \"f3\" between  cast(10 as float)  and  cast(20 as float)",
            lingualExpression);
}