模拟测试方法中的断言错误添加了DAO

Question

我有DAO类和测试方法。但它有断言错误，我认为测试方法addGroup中的原因，但不确定。

对象返回：1个名称！！！ 2015年7月16日星期四00:00:00策展人！！！

但是当我尝试获取值时它有null

预期：1

实际：0

@RunWith(MockitoJUnitRunner.Silent.class)
public class GroupDAOTest {

    @Mock
    private DataSource mockDataSource;
    @Mock
    private Connection connectionMock;
    @Mock
    private PreparedStatement mockPreparedStatement;
    @Mock
    private ResultSet mockResultSet;
    @Mock
    private Group groupMock;
    @Mock
    private DataSource dataSourceMock;

    private GroupDao groupDao;

    public GroupDAOTest() {
    }

    @Test
    public void addGroup() {
        // GIVEN:
        try {
            when(dataSourceMock.getConnection()).thenReturn(connectionMock);
            groupDao = new GroupDao(dataSourceMock);
            SimpleDateFormat format = new SimpleDateFormat();
            format.applyPattern("dd-MM-yyyy");
            Date date = format.parse("16-07-2015");
            Timestamp timestamp = new Timestamp(date.getTime());
            int id = 1;
            String name = "name!!!";
            String curator = "curator!!!";
            when(groupMock.getId()).thenReturn(id);
            when(groupMock.getName()).thenReturn(name);
            when(groupMock.getStartDate()).thenReturn(date);
            when(groupMock.getCurator()).thenReturn(curator);
            when(connectionMock.prepareStatement(anyString())).thenReturn(mockPreparedStatement);

            // WHEN:
            groupDao.add(groupMock);

            // THEN
//            Assert.assertEquals(connectionMock, verify(dataSourceMock, times(2)).getConnection());
            verify(connectionMock, times(1)).prepareStatement(anyString());
            verify(connectionMock, times(1)).close();
            Assert.assertEquals(id, verify(groupMock, times(1)).getId());
            Assert.assertEquals(name, verify(groupMock, times(1)).getName());
            Assert.assertEquals(date, verify(groupMock, times(1)).getStartDate());
            Assert.assertEquals(curator, verify(groupMock, times(1)).getCurator());
            verify(mockPreparedStatement, times(1)).setInt(1, id);
            verify(mockPreparedStatement, times(1)).setString(2, name);
            verify(mockPreparedStatement, times(1)).setTimestamp(3, timestamp);
            verify(mockPreparedStatement, times(1)).setString(4, curator);
            verify(mockPreparedStatement, times(1)).executeUpdate();
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        }
    }
}