TestItem.java

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package edu.wpi.rail.jinteractiveworld.ros.msgs.interactiveworldmsgs;

import static org.junit.Assert.*;

import javax.json.Json;
import javax.json.JsonObject;

import org.junit.Before;
import org.junit.Test;

import edu.wpi.rail.jrosbridge.messages.Message;

public class TestItem {

        private Item empty, o1;

        @Before
        public void setUp() {
                empty = new Item();
                o1 = new Item("name", 1.5, 3.0);
        }

        @Test
        public void testConstructor() {
                assertEquals("", empty.getName());
                assertEquals(0.0, empty.getWidth(), 0);
                assertEquals(0.0, empty.getHeight(), 0);

                assertEquals("{\"name\":\"\",\"width\":0.0,\"height\":0.0}",
                                empty.toString());

                assertEquals(3, empty.toJsonObject().size());
                assertEquals("", empty.toJsonObject().getString(Item.FIELD_NAME));
                assertEquals(0.0, empty.toJsonObject().getJsonNumber(Item.FIELD_WIDTH)
                                .doubleValue(), 0);
                assertEquals(0.0, empty.toJsonObject().getJsonNumber(Item.FIELD_HEIGHT)
                                .doubleValue(), 0);

                assertEquals(Item.TYPE, empty.getMessageType());
        }

        @Test
        public void testStringDoubleAndDoubleConstructor() {
                assertEquals("name", o1.getName());
                assertEquals(1.5, o1.getWidth(), 0);
                assertEquals(3.0, o1.getHeight(), 0);

                assertEquals("{\"name\":\"name\",\"width\":1.5,\"height\":3.0}",
                                o1.toString());

                assertEquals(3, o1.toJsonObject().size());
                assertEquals("name", o1.toJsonObject().getString(Item.FIELD_NAME));
                assertEquals(1.5, o1.toJsonObject().getJsonNumber(Item.FIELD_WIDTH)
                                .doubleValue(), 0);
                assertEquals(3.0, o1.toJsonObject().getJsonNumber(Item.FIELD_HEIGHT)
                                .doubleValue(), 0);

                assertEquals(Item.TYPE, o1.getMessageType());
        }

        @Test
        public void testSetMessageType() {
                empty.setMessageType("test");
                assertEquals("test", empty.getMessageType());
        }

        @Test
        public void testHashCode() {
                assertEquals(empty.toString().hashCode(), empty.hashCode());
                assertEquals(o1.toString().hashCode(), o1.hashCode());
        }

        @Test
        public void testEquals() {
                assertFalse(empty.equals(o1));
                assertFalse(o1.equals(empty));

                assertTrue(o1.equals(o1));
                assertTrue(empty.equals(empty));
        }

        @Test
        public void testEqualsWrongObject() {
                assertFalse(o1.equals(new String(o1.toString())));
        }

        @Test
        public void testClone() {
                Item clone = o1.clone();
                assertEquals(o1.toString(), clone.toString());
                assertEquals(o1.toJsonObject(), clone.toJsonObject());
                assertEquals(o1.getMessageType(), clone.getMessageType());
                assertEquals(o1.getName(), clone.getName());
                assertEquals(o1.getWidth(), clone.getWidth(), 0);
                assertEquals(o1.getHeight(), clone.getHeight(), 0);
                assertNotSame(o1, clone);
                assertNotSame(o1.toString(), clone.toString());
                assertNotSame(o1.toJsonObject(), clone.toJsonObject());
        }

        @Test
        public void testFromJsonString() {
                Item p = Item.fromJsonString(o1.toString());
                assertEquals(o1.toString(), p.toString());
                assertEquals(o1.toJsonObject(), p.toJsonObject());
                assertEquals(o1.getMessageType(), p.getMessageType());
                assertEquals(o1.getName(), p.getName());
                assertEquals(o1.getWidth(), p.getWidth(), 0);
                assertEquals(o1.getHeight(), p.getHeight(), 0);
                assertNotSame(o1, p);
                assertNotSame(o1.toString(), p.toString());
                assertNotSame(o1.toJsonObject(), p.toJsonObject());
        }

        @Test
        public void testFromMessage() {
                Message m = new Message(o1.toString());
                Item p = Item.fromMessage(m);
                assertEquals(o1.toString(), p.toString());
                assertEquals(o1.toJsonObject(), p.toJsonObject());
                assertEquals(o1.getMessageType(), p.getMessageType());
                assertEquals(o1.getName(), p.getName());
                assertEquals(o1.getWidth(), p.getWidth(), 0);
                assertEquals(o1.getHeight(), p.getHeight(), 0);
                assertNotSame(o1, p);
                assertNotSame(o1.toString(), p.toString());
                assertNotSame(o1.toJsonObject(), p.toJsonObject());
        }

        @Test
        public void testFromJsonObject() {
                JsonObject jsonObject = Json.createObjectBuilder()
                                .add(Item.FIELD_NAME, o1.getName())
                                .add(Item.FIELD_WIDTH, o1.getWidth())
                                .add(Item.FIELD_HEIGHT, o1.getHeight()).build();
                Item p = Item.fromJsonObject(jsonObject);
                assertEquals(o1.toString(), p.toString());
                assertEquals(o1.toJsonObject(), p.toJsonObject());
                assertEquals(o1.getMessageType(), p.getMessageType());
                assertEquals(o1.getName(), p.getName());
                assertEquals(o1.getWidth(), p.getWidth(), 0);
                assertEquals(o1.getHeight(), p.getHeight(), 0);
                assertNotSame(o1, p);
                assertNotSame(o1.toString(), p.toString());
                assertNotSame(o1.toJsonObject(), p.toJsonObject());
        }

        @Test
        public void testFromJsonObjectNoName() {
                JsonObject jsonObject = Json.createObjectBuilder()
                                .add(Item.FIELD_WIDTH, o1.getWidth())
                                .add(Item.FIELD_HEIGHT, o1.getHeight()).build();
                Item p = Item.fromJsonObject(jsonObject);
                assertEquals("", p.getName());
                assertEquals(o1.getWidth(), p.getWidth(), 0);
                assertEquals(o1.getHeight(), p.getHeight(), 0);
        }

        @Test
        public void testFromJsonObjectNoWidth() {
                JsonObject jsonObject = Json.createObjectBuilder()
                                .add(Item.FIELD_NAME, o1.getName())
                                .add(Item.FIELD_HEIGHT, o1.getHeight()).build();
                Item p = Item.fromJsonObject(jsonObject);
                assertEquals(o1.getName(), p.getName());
                assertEquals(0.0, p.getWidth(), 0);
                assertEquals(o1.getHeight(), p.getHeight(), 0);
        }

        @Test
        public void testFromJsonObjectNoHeight() {
                JsonObject jsonObject = Json.createObjectBuilder()
                                .add(Item.FIELD_NAME, o1.getName())
                                .add(Item.FIELD_WIDTH, o1.getWidth()).build();
                Item p = Item.fromJsonObject(jsonObject);
                assertEquals(o1.getName(), p.getName());
                assertEquals(o1.getWidth(), p.getWidth(), 0);
                assertEquals(0.0, p.getHeight(), 0);
        }
}