JsonAirplaneBuilderTest.java

package airportsimulation.airplane;

import java.util.ArrayList;
import java.util.List;
import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import org.junit.Test;

/**
 *
 * @author tmate
 */
public class JsonAirplaneBuilderTest {

    @Test
    public void shouldBuildExpressionFromJsonFile() {

        AirplaneBuilder builder =
                new JsonAirplaneBuilder(createListOfAirplaneObject());

        assertThat(builder.hasNext(), is(true));
        assertThat(builder.getNext(), is(not(nullValue())));

        assertThat(builder.hasNext(), is(false));
        assertThat(builder.getNext(), is(nullValue()));
    }



    private JsonObject createAirplaneObject(String id, Double fuelCapacity) {

        JsonObjectBuilder airplaneBuilder = Json.createObjectBuilder();
        JsonObjectBuilder airplaneObjectBuilder = Json.createObjectBuilder();

        airplaneObjectBuilder.add("id", id);
        airplaneObjectBuilder.add("actFuelLevel", fuelCapacity.toString());

        airplaneBuilder.add("Airplane", airplaneObjectBuilder);

        JsonObject obj = airplaneBuilder.build();

        return obj;
    }

    private List<JsonObject> createListOfAirplaneObject() {

        List<JsonObject> objectList = new ArrayList<>();

        objectList.add(createAirplaneObject("airplane1", 1000.0));
        objectList.add(createAirplaneObject("airplane2", 1500.0));

        return objectList;
    }

}