kirchnerei.glatteis.json.JsonConvertServiceTest.java Source code

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Here is the source code for kirchnerei.glatteis.json.JsonConvertServiceTest.java

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/*
 * Copyright 2012 Kirchnerei
 *
 * Licensed 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 kirchnerei.glatteis.json;

import com.fasterxml.jackson.core.type.TypeReference;
import org.junit.Test;

import java.util.*;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;

public class JsonConvertServiceTest {

    private static JsonConvertService service = new JsonConvertService();

    private static final Date TEST_DATE;

    static {
        Calendar cal = Calendar.getInstance();
        cal.set(2012, Calendar.JULY, 4);
        TEST_DATE = cal.getTime();
    }

    @Test
    public void testBeanToString() {
        Bean bean = new Bean(10, "Test", TEST_DATE);
        beanToString(bean);
    }

    @Test
    public void testStringToBean() {
        Bean b1 = new Bean(10, "Test", TEST_DATE);
        String text = beanToString(b1);
        Bean b2 = service.fromString(text, Bean.class);
        assertNotNull(b2);
        assertNotSame(b1, b2);
    }

    @Test
    public void testBeanListToString() {
        beanToString(new Bean(1, "Bean 1", TEST_DATE), new Bean(2, "Bean 2", TEST_DATE));
    }

    @Test
    public void testStringToBeanList() {
        String text = beanToString(new Bean(1, "Bean 1", TEST_DATE), new Bean(2, "Bean 2", TEST_DATE));
        List<Bean> items = service.fromString(text, new TypeReference<List<Bean>>() {
        });
        assertNotNull(items);
        assertEquals(2, items.size());
    }

    private String beanToString(Bean bean) {
        String text = service.toString(bean);
        assertNotNull(text);
        return text;
    }

    private String beanToString(Bean... beans) {
        List<Bean> items = Arrays.asList(beans);
        String text = service.toString(items);
        assertNotNull(text);
        return text;
    }

    public static class Bean {

        private int id;

        private String name;

        private Date date;

        public Bean() {
        }

        public Bean(int id, String name, Date date) {
            this.id = id;
            this.name = name;
            this.date = date;
        }

        public int getId() {
            return id;
        }

        public void setId(int id) {
            this.id = id;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public Date getDate() {
            return date;
        }

        public void setDate(Date date) {
            this.date = date;
        }
    }
}