com.cedarsoft.serialization.test.performance.JacksonTest.java Source code

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Here is the source code for com.cedarsoft.serialization.test.performance.JacksonTest.java

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/**
 * Copyright (C) cedarsoft GmbH.
 *
 * Licensed under the GNU General Public License version 3 (the "License")
 * with Classpath Exception; you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *         http://www.cedarsoft.org/gpl3ce
 *         (GPL 3 with Classpath Exception)
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3 only, as
 * published by the Free Software Foundation. cedarsoft GmbH designates this
 * particular file as subject to the "Classpath" exception as provided
 * by cedarsoft GmbH in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 3 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 3 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
 * or visit www.cedarsoft.com if you need additional information or
 * have any questions.
 */

package com.cedarsoft.serialization.test.performance;

import com.cedarsoft.test.utils.JsonUtils;
import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.*;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import static org.junit.Assert.*;

/**
 * @author Johannes Schneider (<a href="mailto:js@cedarsoft.com">js@cedarsoft.com</a>)
 */
public class JacksonTest {

    public static final String JSON = "{\"id\":\"Canon Raw\",\"dependent\":false,\"extension\":{\"extension\":\"cr2\",\"default\":true,\"delimiter\":\".\"}}";
    private JsonFactory jsonFactory;

    @Before
    public void setUp() throws Exception {
        jsonFactory = new JsonFactory();
    }

    @Test
    public void testMapper() throws Exception {
        ObjectMapper mapper = new ObjectMapper();

        com.cedarsoft.serialization.test.performance.jaxb.FileType fileType = new com.cedarsoft.serialization.test.performance.jaxb.FileType(
                "Canon Raw", new com.cedarsoft.serialization.test.performance.jaxb.Extension(".", "cr2", true),
                false);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        mapper.writeValue(out, fileType);

        JsonUtils.assertJsonEquals(JSON, out.toString());
    }

    @Test
    public void testIt() throws IOException {
        FileType fileType = new FileType("Canon Raw", new Extension(".", "cr2", true), false);

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        JsonGenerator generator = jsonFactory.createGenerator(out, JsonEncoding.UTF8);

        generator.writeStartObject();
        generator.writeStringField("id", fileType.getId());
        generator.writeBooleanField("dependent", fileType.isDependent());

        generator.writeFieldName("extension");
        generator.writeStartObject();

        generator.writeStringField("extension", fileType.getExtension().getExtension());
        generator.writeBooleanField("default", fileType.getExtension().isDefault());
        generator.writeStringField("delimiter", fileType.getExtension().getDelimiter());

        generator.writeEndObject();

        //    generator.writeFieldName( "id" );
        //    generator.writeString( fileType.getId() );

        generator.writeEndObject();

        generator.close();
        assertEquals(JSON, out.toString());
    }

    @Test
    public void testParse() throws Exception {
        JsonParser parser = jsonFactory.createJsonParser(JSON);

        assertEquals(JsonToken.START_OBJECT, parser.nextToken());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("id", parser.getCurrentName());
        assertEquals(JsonToken.VALUE_STRING, parser.nextToken());
        assertEquals("Canon Raw", parser.getText());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("dependent", parser.getCurrentName());
        assertEquals(JsonToken.VALUE_FALSE, parser.nextToken());
        assertFalse(parser.getBooleanValue());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("extension", parser.getCurrentName());
        assertEquals(JsonToken.START_OBJECT, parser.nextToken());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("extension", parser.getCurrentName());
        assertEquals(JsonToken.VALUE_STRING, parser.nextToken());
        assertEquals("cr2", parser.getText());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("default", parser.getCurrentName());
        assertEquals(JsonToken.VALUE_TRUE, parser.nextToken());
        assertTrue(parser.getBooleanValue());

        assertEquals(JsonToken.FIELD_NAME, parser.nextToken());
        assertEquals("delimiter", parser.getCurrentName());
        assertEquals(JsonToken.VALUE_STRING, parser.nextToken());
        assertEquals(".", parser.getText());

        assertEquals(JsonToken.END_OBJECT, parser.nextToken());
        assertEquals(JsonToken.END_OBJECT, parser.nextToken());
        assertNull(parser.nextToken());
    }
}