/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.elasticsearch.common.xcontent.builder;
import org.elasticsearch.common.collect.Lists;
import org.elasticsearch.common.io.FastByteArrayOutputStream;
import org.elasticsearch.common.io.FastCharArrayWriter;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentGenerator;
import org.elasticsearch.common.xcontent.XContentType;
import org.testng.annotations.Test;
import static org.elasticsearch.common.xcontent.XContentBuilder.FieldCaseConversion.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
/**
* @author kimchy (shay.banon)
*/
@Test
public class XContentBuilderTests {
@Test public void verifyReuseJsonGenerator() throws Exception {
FastCharArrayWriter writer = new FastCharArrayWriter();
XContentGenerator generator = XContentFactory.xContent(XContentType.JSON).createGenerator(writer);
generator.writeStartObject();
generator.writeStringField("test", "value");
generator.writeEndObject();
generator.flush();
assertThat(writer.toStringTrim(), equalTo("{\"test\":\"value\"}"));
// try again...
writer.reset();
generator.writeStartObject();
generator.writeStringField("test", "value");
generator.writeEndObject();
generator.flush();
// we get a space at the start here since it thinks we are not in the root object (fine, we will ignore it in the real code we use)
assertThat(writer.toStringTrim(), equalTo("{\"test\":\"value\"}"));
}
@Test public void testSimpleGenerator() throws Exception {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.startObject().field("test", "value").endObject();
assertThat(builder.string(), equalTo("{\"test\":\"value\"}"));
builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.startObject().field("test", "value").endObject();
assertThat(builder.string(), equalTo("{\"test\":\"value\"}"));
}
@Test public void testOverloadedList() throws Exception {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.startObject().field("test", Lists.newArrayList("1", "2")).endObject();
assertThat(builder.string(), equalTo("{\"test\":[\"1\",\"2\"]}"));
}
@Test public void testWritingBinaryToStream() throws Exception {
FastByteArrayOutputStream bos = new FastByteArrayOutputStream();
XContentGenerator gen = XContentFactory.xContent(XContentType.JSON).createGenerator(bos);
gen.writeStartObject();
gen.writeStringField("name", "something");
gen.flush();
bos.write(", source : { test : \"value\" }".getBytes("UTF8"));
gen.writeStringField("name2", "something2");
gen.writeEndObject();
gen.close();
byte[] data = bos.copiedByteArray();
String sData = new String(data, "UTF8");
System.out.println("DATA: " + sData);
}
@Test public void testFieldCaseConversion() throws Exception {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON).fieldCaseConversion(CAMELCASE);
builder.startObject().field("test_name", "value").endObject();
assertThat(builder.string(), equalTo("{\"testName\":\"value\"}"));
builder = XContentFactory.contentBuilder(XContentType.JSON).fieldCaseConversion(UNDERSCORE);
builder.startObject().field("testName", "value").endObject();
assertThat(builder.string(), equalTo("{\"test_name\":\"value\"}"));
}
}