AnObjectFactory.java

package com.googlecode.furnace.analyse.blast;

import static com.googlecode.instinct.expect.Expect.expect;
import com.googlecode.instinct.integrate.junit4.InstinctRunner;
import com.googlecode.instinct.internal.util.instance.ObjectFactory;
import com.googlecode.instinct.marker.annotate.BeforeSpecification;
import com.googlecode.instinct.marker.annotate.Dummy;
import com.googlecode.instinct.marker.annotate.Mock;
import com.googlecode.instinct.marker.annotate.Specification;
import com.googlecode.instinct.marker.annotate.Subject;
import java.util.ArrayList;
import java.util.List;
import org.jmock.Expectations;
import org.junit.runner.RunWith;

@RunWith(InstinctRunner.class)
public final class AnObjectFactory {
  @Subject ListUserAdaptor listUserAdaptor;
  @Mock ObjectFactory factory;
  @Mock ListUser mockListUser;
  @Dummy private List<?> list;

  @BeforeSpecification
  public void before() {
    listUserAdaptor = new ListUserAdaptor(factory, mockListUser);
  }

  @Specification
  public void shouldUseArrayListsOnListUser() {
    expect.that(new Expectations() {{
      one(factory).create(ArrayList.class); will(returnValue(list));
      one(mockListUser).useAList(list);
    }});
    listUserAdaptor.useAList();
  }

  private class ListUserAdaptor {
    private final ObjectFactory factory;
    private final ListUser listUser;

    public ListUserAdaptor(ObjectFactory factory, AnObjectFactory.ListUser listUser) {
      this.factory = factory;
      this.listUser = listUser;
    }

    public void useAList() {
      final List<?> list = factory.create(ArrayList.class);
      listUser.useAList(list);
    }
  }

  private class ListUser {
    public void useAList(List list) {
    }
  }
}