@Test
@TestDescription("이벤트를 정상적으로 수정하기")
public void updateEvent() throws Exception {
	Event event = this.generateEvent(200);
	EventDto eventDto = this.modelMapper.map(event, EventDto.class);
	String eventName = "수정한 이벤트";
	eventDto.setName(eventName);

	this.mockMvc.perform(put("/api/events/{id}", event.getId())
				.contentType(MediaType.APPLICATION_JSON_UTF8)
				.content(this.objectMapper.writeValueAsString(eventDto)))
			.andDo(print())
			.andExpect(status().isOk())
			.andExpect(jsonPath("name").value(eventName))
			.andExpect(jsonPath("_links.self").exists());
}

@Test
@TestDescription("입력값이 비어있는 경우의 수정 요청실패")
public void updateEvent400empty() throws Exception {
	Event event = this.generateEvent(200);
	EventDto eventDto = new EventDto();

	this.mockMvc.perform(put("/api/events/{id}", event.getId())
			.contentType(MediaType.APPLICATION_JSON_UTF8)
			.content(this.objectMapper.writeValueAsString(eventDto)))
			.andDo(print())
			.andExpect(status().isBadRequest());
}

@Test
@TestDescription("입력값이 잘못된 경우 수정 요청실패")
public void updateEvent400wrong() throws Exception {
	Event event = this.generateEvent(200);
	EventDto eventDto = new EventDto();
	eventDto.setBasePrice(20000);
	eventDto.setMaxPrice(1000);

	this.mockMvc.perform(put("/api/events/{id}", event.getId())
			.contentType(MediaType.APPLICATION_JSON_UTF8)
			.content(this.objectMapper.writeValueAsString(eventDto)))
			.andDo(print())
			.andExpect(status().isBadRequest());
}

@Test
@TestDescription("존재하지 않는 이벤트 수정 실패")
public void updateEvent404() throws Exception {
	Event event = this.generateEvent(200);
	EventDto eventDto = this.modelMapper.map(event, EventDto.class);

	this.mockMvc.perform(put("/api/events/41223")
			.contentType(MediaType.APPLICATION_JSON_UTF8)
			.content(this.objectMapper.writeValueAsString(eventDto)))
			.andDo(print())
			.andExpect(status().isNotFound());
}

@PutMapping("/{id}")
public ResponseEntity updateEvent(@PathVariable Integer id,
                                  @RequestBody @Valid EventDto eventDto,
                                  Errors errors) {
	Optional<Event> event = this.eventRepository.findById(id);
	if (!event.isPresent()) {
		return ResponseEntity.notFound().build();
	}

	if (errors.hasErrors()) {
		return badRequest(errors);
	}

	this.eventValidator.validate(eventDto, errors);
	if (errors.hasErrors()) {
		return badRequest(errors);
	}

	Event existingEvent = event.get();
	this.modelMapper.map(eventDto, existingEvent);
	Event savedEvent = this.eventRepository.save(existingEvent);

	EventResource eventResource = new EventResource(savedEvent);
	eventResource.add(new Link("/docs/index.html#resources-events-get").withRel("profile"));

	return ResponseEntity.ok(eventResource);
}