ConstructorInjectionTest.java

package org.needle4j.injection.constuctor;

import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.needle4j.annotation.ObjectUnderTest;
import org.needle4j.db.User;
import org.needle4j.injection.CurrentUser;
import org.needle4j.injection.InjectionProvider;
import org.needle4j.injection.InjectionTargetInformation;
import org.needle4j.injection.method.UserDao;
import org.needle4j.junit.NeedleRule;

public class ConstructorInjectionTest {

    private final User currentUser = new User();

    private final InjectionProvider<User> currentUserprovider = new InjectionProvider<User>() {
        @Override
        public boolean verify(final InjectionTargetInformation information) {
            return information.getAnnotation(CurrentUser.class) != null;
        }

        @Override
        public Object getKey(final InjectionTargetInformation information) {
            return CurrentUser.class;
        }

        @Override
        public User getInjectedObject(final Class<?> type) {
            return currentUser;
        }
    };

    @Rule
    public NeedleRule needleRule = new NeedleRule(currentUserprovider);

    @ObjectUnderTest
    private UserDao userDao;

    @Test
    public void testSetterInjection() throws Exception {
        Assert.assertNotNull(userDao.getUser());
    }

    @Test
    public void testSetterInjection_Qualifyer() throws Exception {
        User currentUser2 = userDao.getCurrentUser();

        Assert.assertSame(currentUser, currentUser2);
    }

    @Test
    public void testMultipleMethodInjection() throws Exception {
        Assert.assertNotNull(userDao.getQueue1());
        Assert.assertNotNull(userDao.getQueue2());
    }

}