@Test
public void getChannelDtoByNameShouldReturnNullChannelDtoWhenChannelNameIsNonExistent() {
// Given
given(channelRepository.findByName(CHANNEL_NAME_NON_EXISTENT)).willReturn(null);
// When
ChannelDTO channelDTO = channelService.getChannelDtoByName(CHANNEL_NAME_NON_EXISTENT);
// Then
assertThat(channelDTO, nullValue());
then(channelRepository).should().findByName(CHANNEL_NAME_NON_EXISTENT);
verifyZeroInteractions(converterService);
}
@Test
public void getChannelDtoByNameShouldReturnExistingChannelDtoWhenChannelNameIsExisting() {
// Given
given(channelRepository.findByName(CHANNEL_NAME_FACEBOOK)).willReturn(facebookEntity);
given(converterService.convert(facebookEntity, ChannelDTO.class)).willReturn(facebookDto);
// When
ChannelDTO channelDTO = channelService.getChannelDtoByName(CHANNEL_NAME_FACEBOOK);
// Then
assertThat(channelDTO, notNullValue());
assertThat(channelDTO, equalTo(facebookDto));
then(channelRepository).should().findByName(CHANNEL_NAME_FACEBOOK);
then(converterService).should().convert(facebookEntity, ChannelDTO.class);
}
