/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.jsonpath;
import java.io.File;
import java.util.List;
import org.apache.camel.Exchange;
import org.apache.camel.Expression;
import org.apache.camel.Predicate;
import org.apache.camel.impl.DefaultExchange;
import org.apache.camel.spi.Language;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
public class JsonPathLanguageTest extends CamelTestSupport {
@Override
public boolean isUseRouteBuilder() {
return false;
}
@Test
public void testExpression() throws Exception {
Exchange exchange = new DefaultExchange(context);
exchange.getIn().setBody(new File("src/test/resources/books.json"));
Language lan = context.resolveLanguage("jsonpath");
Expression exp = lan.createExpression("$.store.book[*].author");
List<?> authors = exp.evaluate(exchange, List.class);
log.info("Authors {}", authors);
assertNotNull(authors);
assertEquals(2, authors.size());
assertEquals("Nigel Rees", authors.get(0));
assertEquals("Evelyn Waugh", authors.get(1));
}
@Test
public void testPredicate() throws Exception {
Exchange exchange = new DefaultExchange(context);
exchange.getIn().setBody(new File("src/test/resources/books.json"));
Language lan = context.resolveLanguage("jsonpath");
Predicate pre = lan.createPredicate("$.store.book[?(@.price < 10)]");
boolean cheap = pre.matches(exchange);
assertTrue("Should have cheap books", cheap);
pre = lan.createPredicate("$.store.book[?(@.price > 30)]");
boolean expensive = pre.matches(exchange);
assertFalse("Should not have expensive books", expensive);
}
}