CartBeanTest.java

package org.javaee7.ejb.stateful;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Test;
import org.junit.runner.RunWith;

import javax.inject.Inject;

import java.util.Arrays;
import java.util.List;

import static org.hamcrest.CoreMatchers.hasItem;
import static org.hamcrest.CoreMatchers.hasItems;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.MatcherAssert.assertThat;

/**
 * @author Rafał Roppel
 */
@RunWith(Arquillian.class)
public class CartBeanTest {

	@Inject
	private CartBean sut;

	@Deployment
	public static Archive<?> deployment() {
		return ShrinkWrap.create(JavaArchive.class)
				.addClass(CartBean.class)
				.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
	}

	/**
	 * Test of addItem method, of class CartBean
	 *
	 * @throws Exception
	 */
	@Test
	public void shouldAddOneItem() throws Exception {
		// given

		// when
		sut.addItem("apple");

		// then
		assertThat(sut.getItems(), hasItem("apple"));
	}

	/**
	 * Test of addItem method, of class CartBean
	 *
	 * @throws Exception
	 */
	@Test
	public void shouldAddManyItems() throws Exception {
		// given
		final List<String> items = Arrays.asList("apple", "banana", "mango", "kiwi", "passion fruit");

		// when
		for (final String item : items) {
			sut.addItem(item);
		}

		// then
		assertThat(sut.getItems(), is(items));
	}

	/**
	 * Test of removeItem method, of class CartBean
	 *
	 * @throws Exception
	 */
	@Test
	public void shouldRemoveOneItem() throws Exception {
		// given
		final List<String> items = Arrays.asList("apple", "banana", "mango", "kiwi", "passion fruit");
		for (final String item : items) {
			sut.addItem(item);
		}

		// when
		sut.removeItem("banana");

		// then
		assertThat(sut.getItems(), not(hasItem("banana")));
	}

	/**
	 * Test of getItems method, of class CartBean
	 *
	 * @throws Exception
	 */
	@Test
	public void shouldBeEmpty() throws Exception {
		// given

		// when
		final List<String> actual = sut.getItems();

		// then
		assertThat(actual.isEmpty(), is(true));
	}
}