content: /**
   * Copyright (C) 2015 Fernando Cejas Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.fernandocejas.android10.sample.domain.interactor;
  
  import com.fernandocejas.android10.sample.domain.executor.PostExecutionThread;
  import com.fernandocejas.android10.sample.domain.executor.ThreadExecutor;
  import com.fernandocejas.android10.sample.domain.interactor.GetUserDetails.Params;
  import com.fernandocejas.android10.sample.domain.repository.UserRepository;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.mockito.Mock;
  import org.mockito.runners.MockitoJUnitRunner;
  
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import static org.mockito.Mockito.verifyZeroInteractions;
  
  @RunWith(MockitoJUnitRunner.class)
  public class GetUserDetailsTest {
  
    private static final int USER_ID = 123;
  
    private GetUserDetails getUserDetails;
  
    @Mock private UserRepository mockUserRepository;
    @Mock private ThreadExecutor mockThreadExecutor;
    @Mock private PostExecutionThread mockPostExecutionThread;
  
    @Rule public ExpectedException expectedException = ExpectedException.none();
  
    @Before
    public void setUp() {
      getUserDetails = new GetUserDetails(mockUserRepository, mockThreadExecutor,
          mockPostExecutionThread);
    }
  
    @Test
    public void testGetUserDetailsUseCaseObservableHappyCase() {
      getUserDetails.buildUseCaseObservable(Params.forUser(USER_ID));
  
      verify(mockUserRepository).user(USER_ID);
      verifyNoMoreInteractions(mockUserRepository);
      verifyZeroInteractions(mockPostExecutionThread);
      verifyZeroInteractions(mockThreadExecutor);
    }
  
    @Test
    public void testShouldFailWhenNoOrEmptyParameters() {
      expectedException.expect(NullPointerException.class);
      getUserDetails.buildUseCaseObservable(null);
    }
  }
  