GuestTest.java

package org.wahlzeit.model;

import com.googlecode.objectify.ObjectifyService;
import com.googlecode.objectify.Work;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.RuleChain;
import org.wahlzeit.testEnvironmentProvider.LocalDatastoreServiceTestConfigProvider;
import org.wahlzeit.testEnvironmentProvider.RegisteredOfyEnvironmentProvider;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

/**
 * Test class for {@link Guest}.
 */
public class GuestTest {

	@ClassRule
	public static RuleChain ruleChain = RuleChain.
			outerRule(new LocalDatastoreServiceTestConfigProvider()).
			around(new RegisteredOfyEnvironmentProvider());


	@Test
	public void testNameGeneration() {
		int clientId = ClientManager.lastClientId.intValue();
		assertNewGuestHasId(++clientId);
		assertNewGuestHasId(++clientId);
		// creation of user should not consume a next id
		ObjectifyService.run(new Work<Void>() {
			@Override
			public Void run() {
				new User("1337", "han", "star@wa.rs");
				return null;
			}
		});
		assertNewGuestHasId(++clientId);

		clientId -= 3;
		// test if GUEST_PREFIX == guest#
		testGetGuestFromUserManager("guest#" + ++clientId);
		testGetGuestFromUserManager(Guest.GUEST_PREFIX + ++clientId);
		testGetGuestFromUserManager(Guest.GUEST_PREFIX + ++clientId);
	}

	protected void assertNewGuestHasId(int id) {
		Guest testGuest = ObjectifyService.run(new Work<Guest>() {
			@Override
			public Guest run() {
				return new Guest();
			}
		});
		String userName = testGuest.getId();
		String expectedUserName = Guest.GUEST_PREFIX + id;
		assertEquals(expectedUserName, userName);
	}

	protected void testGetGuestFromUserManager(String name) {
		assertNotNull(UserManager.getInstance().getClientById(name));
	}
}