PizzaParserTest.java

package com.captaindebug.xml.sax;

import static org.junit.Assert.assertEquals;

import java.io.ByteArrayInputStream;
import java.util.List;

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

import com.captaindebug.xml.sax.PizzaParser.PizzaOrder;

public class PizzaParserTest {

	private static final String ORDER_XML = //
	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + //
			"<pizza>\n" + // 8
			"    <name>Capricciosa</name>\n" + //
			"    <base>thin</base>\n" + //
			"    <quantity>2</quantity>\n" + //
			"</pizza>\n";

	private static final String ORDER_XML_2 = //
	"<?xml version=\"1.0\" encoding=\"UTF-8\"?><pizza><name>Capricciosa</name><base>thin</base><quantity>2</quantity></pizza>";

	private static final String ORDER_XML_3 = //
	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + //
			"<pizzas>\n" + //
			"    <pizza>\n" + //
			"        <name>Capricciosa</name>\n" + //
			"        <base>thin</base>\n" + //
			"        <quantity>2</quantity>\n" + //
			"    </pizza>\n" + //
			"    <pizza>\n" + //
			"        <name>Margherita</name>\n" + //
			"        <base>thin</base>\n" + //
			"        <quantity>1</quantity>\n" + //
			"    </pizza>\n" + //
			"</pizzas>";

	private PizzaParser instance;

	@Before
	public void setUp() {
		instance = new PizzaParser();
	}

	@Test
	public void readOrderFromXML() {

		List<PizzaOrder> results = instance.order(new ByteArrayInputStream(ORDER_XML.getBytes()));

		assertEquals(1, results.size());

		PizzaOrder result = results.get(0);
		assertEquals("Capricciosa", result.getPizzaName());
		assertEquals("thin", result.getBase());
		assertEquals("2", result.getQuantity());
	}

	@Test
	public void readOrderFromModifiedXML() {

		List<PizzaOrder> results = instance.order(new ByteArrayInputStream(ORDER_XML_2.getBytes()));

		assertEquals(1, results.size());

		PizzaOrder result = results.get(0);
		assertEquals("Capricciosa", result.getPizzaName());
		assertEquals("thin", result.getBase());
		assertEquals("2", result.getQuantity());
	}

	@Test
	public void readOrderForMultiplePizza() {

		List<PizzaOrder> results = instance.order(new ByteArrayInputStream(ORDER_XML_3.getBytes()));

		PizzaOrder result = results.get(0);
		assertEquals("Capricciosa", result.getPizzaName());
		assertEquals("thin", result.getBase());
		assertEquals("2", result.getQuantity());

		result = results.get(1);
		assertEquals("Margherita", result.getPizzaName());
		assertEquals("thin", result.getBase());
		assertEquals("1", result.getQuantity());
	}
}