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test: TableGroupRestController, TableGroupService 에 대한 테스트 코드 작성
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‎src/test/java/kitchenpos/application/TableGroupServiceTest.java‎

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package kitchenpos.application;
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import kitchenpos.dao.OrderDao;
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import kitchenpos.dao.OrderTableDao;
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import kitchenpos.dao.TableGroupDao;
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import kitchenpos.domain.OrderTable;
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import kitchenpos.domain.TableGroup;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Nested;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.InjectMocks;
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import org.mockito.Mock;
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import org.mockito.Mockito;
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import org.mockito.junit.jupiter.MockitoExtension;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.junit.jupiter.api.Assertions.*;
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@ExtendWith(MockitoExtension.class)
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@DisplayName("TableGroupService 클래스 테스트")
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public class TableGroupServiceTest {
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@Mock
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private OrderDao orderDao;
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@Mock
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private OrderTableDao orderTableDao;
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@Mock
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private TableGroupDao tableGroupDao;
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@InjectMocks
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private TableGroupService tableGroupService;
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@Nested
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@DisplayName("create 메서드 테스트")
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public class CreateMethod {
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@Nested
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@DisplayName("테이블 그룹 생성 성공")
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public class Success {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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// when
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final TableGroup createdTableGroup = tableGroupService.create(tableGroup);
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// then
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assertAll(
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() -> assertThat(createdTableGroup.getId()).isPositive(),
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() -> assertThat(createdTableGroup.getOrderTables()).isEqualTo(tableGroup.getOrderTables())
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);
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<Long> orderTableIds = Stream.of(1, 2).map(Long::new).collect(Collectors.toList());
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final List<OrderTable> orderTables = orderTableIds
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.stream()
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.map(id -> {
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final OrderTable orderTable = new OrderTable();
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orderTable.setId(id);
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orderTable.setEmpty(true);
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return orderTable;
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})
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.collect(Collectors.toList());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(orderTableDao.findAllByIdIn(Mockito.anyList())).thenReturn(orderTables);
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Mockito.when(tableGroupDao.save(Mockito.any())).thenReturn(tableGroup);
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Mockito.when(orderTableDao.save(Mockito.any())).thenReturn(orderTables.get(0), orderTables.get(1));
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return tableGroup;
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}
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}
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@Nested
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@DisplayName("주문 테이블이 하나도 없으면 테이블 그룹 생성 실패")
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public class ErrorOrderTableIsEmpty {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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// when - then
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assertThrows(IllegalArgumentException.class, () -> tableGroupService.create(tableGroup));
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setOrderTables(new ArrayList<>());
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return tableGroup;
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}
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}
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@Nested
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@DisplayName("주문 테이블이 한 개 뿐이면 테이블 그룹 생성 실패")
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public class ErrorOnlyOneInOrderTables {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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// when - then
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assertThrows(IllegalArgumentException.class, () -> tableGroupService.create(tableGroup));
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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final List<OrderTable> orderTables = Arrays.asList(new OrderTable());
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tableGroup.setOrderTables(orderTables);
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return tableGroup;
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}
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}
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@Nested
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@DisplayName("주문 테이블 id 로 실제 주문 테이블을 하나라도 찾을 수 없으면 테이블 그룹 생성 실패")
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public class ErrorsOrderTablesMissingWhenTryToFindById {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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// when - then
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assertThrows(IllegalArgumentException.class, () -> tableGroupService.create(tableGroup));
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<Long> orderTableIds = Stream.of(1, 2).map(Long::new).collect(Collectors.toList());
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final List<OrderTable> orderTables = orderTableIds
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.stream()
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.map(id -> {
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final OrderTable orderTable = new OrderTable();
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orderTable.setId(id);
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orderTable.setEmpty(true);
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return orderTable;
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})
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.collect(Collectors.toList());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(orderTableDao.findAllByIdIn(Mockito.anyList())).thenReturn(orderTables.subList(0, 1));
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return tableGroup;
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}
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}
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}
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@Nested
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@DisplayName("ungroup 메서드 테스트")
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public class UngroupMethod {
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@Nested
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@DisplayName("그룹 해제 성공")
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public class Success {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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final TableGroup createdTableGroup = tableGroupService.create(tableGroup);
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// when - then
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assertDoesNotThrow(() -> tableGroupService.ungroup(createdTableGroup.getId()));
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<Long> orderTableIds = Stream.of(1, 2).map(Long::new).collect(Collectors.toList());
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final List<OrderTable> orderTables = orderTableIds
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.stream()
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.map(id -> {
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final OrderTable orderTable = new OrderTable();
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orderTable.setId(id);
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orderTable.setEmpty(true);
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return orderTable;
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})
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.collect(Collectors.toList());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(orderTableDao.findAllByIdIn(Mockito.anyList())).thenReturn(orderTables);
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Mockito.when(tableGroupDao.save(Mockito.any())).thenReturn(tableGroup);
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Mockito.when(orderTableDao.save(Mockito.any())).thenReturn(orderTables.get(0), orderTables.get(1));
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Mockito.when(orderDao.existsByOrderTableIdInAndOrderStatusIn(Mockito.anyList(), Mockito.anyList()))
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.thenReturn(false);
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return tableGroup;
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}
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}
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@Nested
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@DisplayName("그룹 해제 성공")
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public class ErrorOrderStillCookingOrMeal {
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@Test
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public void testCase() {
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// given
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final TableGroup tableGroup = setup();
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final TableGroup createdTableGroup = tableGroupService.create(tableGroup);
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// when - then
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assertThrows(IllegalArgumentException.class,
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() -> tableGroupService.ungroup(createdTableGroup.getId()));
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}
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private TableGroup setup() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<Long> orderTableIds = Stream.of(1, 2).map(Long::new).collect(Collectors.toList());
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final List<OrderTable> orderTables = orderTableIds
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.stream()
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.map(id -> {
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final OrderTable orderTable = new OrderTable();
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orderTable.setId(id);
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orderTable.setEmpty(true);
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return orderTable;
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})
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.collect(Collectors.toList());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(orderTableDao.findAllByIdIn(Mockito.anyList())).thenReturn(orderTables);
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Mockito.when(tableGroupDao.save(Mockito.any())).thenReturn(tableGroup);
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Mockito.when(orderTableDao.save(Mockito.any())).thenReturn(orderTables.get(0), orderTables.get(1));
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Mockito.when(orderDao.existsByOrderTableIdInAndOrderStatusIn(Mockito.anyList(), Mockito.anyList()))
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.thenReturn(true);
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return tableGroup;
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}
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}
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}
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}

‎src/test/java/kitchenpos/ui/TableGroupRestControllerTest.java‎

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package kitchenpos.ui;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import kitchenpos.domain.OrderTable;
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import kitchenpos.domain.TableGroup;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Nested;
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import org.junit.jupiter.api.Test;
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import org.mockito.Mockito;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
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import org.springframework.boot.test.mock.mockito.MockBean;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.mock.web.MockHttpServletResponse;
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import org.springframework.test.web.servlet.MockMvc;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
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@WebMvcTest(TableGroupRestController.class)
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@DisplayName("TableGroupRestController 클래스 테스트")
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public class TableGroupRestControllerTest {
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@Autowired
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private MockMvc mockMvc;
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@Autowired
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private ObjectMapper objectMapper;
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@MockBean
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private TableGroupRestController tableGroupRestController;
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@Nested
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@DisplayName("POST /api/table-groups")
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public class PostMethod {
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@Test
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@DisplayName("성공적으로 테이블 그룹을 생성하면 200 상태 코드를 응답받는다")
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public void success() throws Exception {
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// given
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final TableGroup tableGroup = setupSuccess();
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// when
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MockHttpServletResponse response = mockMvc.perform(post("/api/table-groups")
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.contentType(MediaType.APPLICATION_JSON)
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.content(objectMapper.writeValueAsString(tableGroup))
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.accept(MediaType.APPLICATION_JSON))
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.andReturn().getResponse();
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// then
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assertThat(response.getStatus()).isEqualTo(HttpStatus.OK.value());
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// then
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final TableGroup tableGroupResponse =
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objectMapper.readValue(response.getContentAsString(), TableGroup.class);
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assertThat(tableGroupResponse.getOrderTables()).hasSize(tableGroup.getOrderTables().size());
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}
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private TableGroup setupSuccess() {
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final TableGroup tableGroup = new TableGroup();
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final List<OrderTable> orderTables = Arrays.asList(new OrderTable(), new OrderTable());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(tableGroupRestController.create(Mockito.any())).thenReturn(ResponseEntity.ok(tableGroup));
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return tableGroup;
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}
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@Test
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@DisplayName("테이블 그룹을 생성하는데 실패하면 400 상태 코드를 응답받는다")
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public void errorBadRequest() throws Exception {
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// given
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final TableGroup tableGroup = setupErrorBadRequest();
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// when
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MockHttpServletResponse response = mockMvc.perform(post("/api/table-groups")
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.contentType(MediaType.APPLICATION_JSON)
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.content(objectMapper.writeValueAsString(tableGroup))
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.accept(MediaType.APPLICATION_JSON))
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.andReturn().getResponse();
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// then
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assertThat(response.getStatus()).isEqualTo(HttpStatus.BAD_REQUEST.value());
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}
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private TableGroup setupErrorBadRequest() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setOrderTables(new ArrayList<>());
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Mockito.when(tableGroupRestController.create(Mockito.any())).thenReturn(ResponseEntity.badRequest().build());
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return tableGroup;
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}
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}
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@Nested
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@DisplayName("DELETE /api/table-groups/{tableGroupId}")
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public class DeleteMethod {
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@Test
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@DisplayName("성공적으로 테이블 그룹을 해제하면 204 상태 코드를 응답받는다")
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public void success() throws Exception {
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// given
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final TableGroup tableGroup = setupSuccess();
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// when
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MockHttpServletResponse response = mockMvc
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.perform(delete("/api/table-groups/" + tableGroup.getId())
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.accept(MediaType.APPLICATION_JSON))
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.andReturn().getResponse();
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// then
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assertThat(response.getStatus()).isEqualTo(HttpStatus.NO_CONTENT.value());
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}
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private TableGroup setupSuccess() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<OrderTable> orderTables = Arrays.asList(new OrderTable(), new OrderTable());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(tableGroupRestController.ungroup(Mockito.anyLong()))
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.thenReturn(ResponseEntity.noContent().build());
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return tableGroup;
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}
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@Test
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@DisplayName("테이블 그룹을 해제하는데 실패하면 400 상태 코드를 응답받는다")
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public void errorBadRequest() throws Exception {
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// given
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final TableGroup tableGroup = setupErrorBadRequest();
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// when
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MockHttpServletResponse response = mockMvc
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.perform(delete("/api/table-groups/" + tableGroup.getId())
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.accept(MediaType.APPLICATION_JSON))
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.andReturn().getResponse();
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// then
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assertThat(response.getStatus()).isEqualTo(HttpStatus.BAD_REQUEST.value());
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}
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private TableGroup setupErrorBadRequest() {
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final TableGroup tableGroup = new TableGroup();
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tableGroup.setId(1L);
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final List<OrderTable> orderTables = Arrays.asList(new OrderTable(), new OrderTable());
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tableGroup.setOrderTables(orderTables);
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Mockito.when(tableGroupRestController.ungroup(Mockito.anyLong()))
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.thenReturn(ResponseEntity.badRequest().build());
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return tableGroup;
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}
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}
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}

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