feat: 타이머 등록하는 API 추가

src/main/java/org/idiot/yesslave/worktimer/ui/WorkTimerController.java

@@ -1,12 +1,31 @@
 package org.idiot.yesslave.worktimer.ui;
 
 import lombok.RequiredArgsConstructor;
+import org.idiot.yesslave.worktimer.application.WorkTimerService;
+import org.idiot.yesslave.worktimer.domain.RandomCodeGenerator;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
 
+import java.time.LocalDateTime;
+
+@RequestMapping("/timer")
 @RestController
 @RequiredArgsConstructor
 class WorkTimerController {
+    private final WorkTimerService workTimerService;
 
+    @PostMapping
+    public ResponseEntity<Void> timerCreate() {
+        Long response = workTimerService.registerTimer(LocalDateTime.now(), new RandomCodeGenerator());
 
-
+        return ResponseEntity.created(ServletUriComponentsBuilder
+                        .fromCurrentRequest()
+                        .path("/{id}")
+                        .buildAndExpand(response)
+                        .toUri())
+                .build();
+    }
 }

src/test/java/org/idiot/yesslave/worktimer/ui/WorkTimerControllerTest.java

@@ -0,0 +1,75 @@
+package org.idiot.yesslave.worktimer.ui;
+
+import org.idiot.yesslave.worktimer.application.WorkTimerService;
+import org.idiot.yesslave.worktimer.domain.RandomCodeGenerator;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.filter.CharacterEncodingFilter;
+
+import java.time.LocalDateTime;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.any;
+import static org.mockito.BDDMockito.given;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+
+@AutoConfigureMockMvc
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK)
+class WorkTimerControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Autowired
+    private WebApplicationContext ctx;
+
+    @MockBean
+    private WorkTimerService workTimerService;
+
+    final String baseUrl = "/timer";
+
+    @BeforeEach
+    void init() {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(ctx)
+                .addFilters(new CharacterEncodingFilter("UTF-8", true))
+                .alwaysDo(print())
+                .build();
+    }
+
+    @Nested
+    @DisplayName("타이머 등록(출근) 할 때,")
+    class timerCreate {
+        @Test
+        @DisplayName("성공적으로 저장합니다.")
+        void success() throws Exception {
+            //given
+            final Long expectedId = 1L;
+
+            given(workTimerService.registerTimer(any(LocalDateTime.class), any(RandomCodeGenerator.class)))
+                    .willReturn(expectedId);
+
+            //when
+            MvcResult mvcResult = mockMvc.perform(MockMvcRequestBuilders.post(baseUrl))
+                    .andExpect(MockMvcResultMatchers.status().isCreated())
+                    .andReturn();
+
+            //TODO: 조회 기능 생성 되면 값 검증 필요
+            assertThat(mvcResult.getResponse().getHeader("Location")).isNotNull();
+        }
+    }
+}