org.soulwing.prospecto.jackson.RoundTripTest.java Source code

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Here is the source code for org.soulwing.prospecto.jackson.RoundTripTest.java

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/*
 * File created on Apr 27, 2016
 *
 * Copyright (c) 2016 Carl Harris, Jr
 * and others as noted
 *
 * 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 org.soulwing.prospecto.jackson;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.nullValue;
import static org.soulwing.prospecto.testing.matcher.ViewMatchers.eventOfType;
import static org.soulwing.prospecto.testing.matcher.ViewMatchers.hasEventSequence;
import static org.soulwing.prospecto.testing.matcher.ViewMatchers.whereValue;
import static org.soulwing.prospecto.testing.matcher.ViewMatchers.withName;
import static org.soulwing.prospecto.testing.matcher.ViewMatchers.withNoName;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import org.junit.Test;
import org.soulwing.prospecto.api.View;
import org.soulwing.prospecto.runtime.view.ViewBuilder;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

/**
 * Tests of the serializer and deserializer.
 *
 * @author Carl Harris
 */
public class RoundTripTest {

    @Test
    public void test() throws Exception {
        final View view = ViewBuilder.begin().type(View.Event.Type.BEGIN_OBJECT).name("myView")
                .type(View.Event.Type.VALUE).name("myValue").value("This is a test")
                .type(View.Event.Type.END_OBJECT).name("myView").end();

        final AdaptedModel model = new AdaptedModel();
        model.setView(view);

        final ObjectMapper mapper = new ObjectMapper();
        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        mapper.writeValue(bos, model);

        final byte[] buf = bos.toByteArray();

        System.out.write(buf);
        System.out.println();

        final ByteArrayInputStream bis = new ByteArrayInputStream(buf);
        final AdaptedModel result = mapper.readValue(bis, AdaptedModel.class);

        assertThat(result.getView(), is(not(nullValue())));

        assertThat(result.getView(),
                hasEventSequence(
                        eventOfType(View.Event.Type.BEGIN_OBJECT, withNoName(), whereValue(is(nullValue()))),
                        eventOfType(View.Event.Type.VALUE, withName("myValue"),
                                whereValue(is(equalTo("This is a test")))),
                        eventOfType(View.Event.Type.END_OBJECT, withNoName(), whereValue(is(nullValue())))));
    }

    public static class AdaptedModel {

        @JsonProperty("myView")
        @JsonSerialize(using = ViewSerializer.class)
        @JsonDeserialize(using = ViewDeserializer.class)
        private View view;

        public View getView() {
            return view;
        }

        public void setView(View view) {
            this.view = view;
        }
    }

}