feat: Write Integration test for Create Project Route and ensure using Snake Case in JSON Format (SCRUM-7) (!14)

Co-authored-by: Phan Huy Tran <p.tran@neusta.de>
Reviewed-on: #14
Reviewed-by: Jan Gleytenhoover <krisellp9@gmail.com>

requests/createProject.http

@@ -8,8 +8,8 @@ Content-Type: application/json
   "leading_employee": 1,
   "employees": [2, 3],
   "contractor": 4,
-  "contractorName": "Peter File",
+  "contractor_name": "Peter File",
   "comment": "goal of project",
-  "startDate": "01.01.2000",
+  "start_date": "01.01.2000",
-  "plannedEndDate": "01.01.2001"
+  "planned_end_date": "01.01.2001"
 }

src/main/java/de/szut/lf8_starter/project/CreateProjectAction.java

@@ -8,10 +8,8 @@ import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import jakarta.validation.Valid;
-import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.http.HttpStatus;
-import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @RequestMapping(value = "/projects")
@@ -30,6 +28,7 @@ public class CreateProjectAction {
             @ApiResponse(responseCode = "400", description = "invalid JSON posted", content = @Content),
             @ApiResponse(responseCode = "401", description = "not authorized", content = @Content)})
     @PostMapping
+    @ResponseStatus(code = HttpStatus.CREATED)
     public GetProjectDto create(@RequestBody @Valid CreateProjectDto createProjectDto) {
         ProjectEntity projectEntity = this.projectMapper.mapCreateDtoToEntity(createProjectDto);
 

src/main/java/de/szut/lf8_starter/project/dto/CreateProjectDto.java

@@ -1,6 +1,8 @@
 package de.szut.lf8_starter.project.dto;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
@@ -11,6 +13,7 @@ import java.util.List;
 
 @Getter
 @Setter
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
 public class CreateProjectDto {
     @NotBlank
     private String name;

src/main/java/de/szut/lf8_starter/project/dto/GetProjectDto.java

@@ -1,6 +1,8 @@
 package de.szut.lf8_starter.project.dto;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
@@ -11,35 +13,22 @@ import java.util.List;
 
 @Getter
 @Setter
+@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
 public class GetProjectDto {
     private long id;
-
-    @NotBlank
     private String name;
-
-    @NotNull
     private long leadingEmployee;
-
     private List<Long> employees;
-
-    @NotNull
     private long contractor;
-
-    @NotBlank
     private String contractorName;
-
-    @NotBlank
     private String comment;
 
-    @NotNull
     @JsonFormat(pattern = "dd.MM.yyyy")
     private LocalDate startDate;
 
-    @NotNull
     @JsonFormat(pattern = "dd.MM.yyyy")
     private LocalDate plannedEndDate;
 
-    @NotNull
     @JsonFormat(pattern = "dd.MM.yyyy")
     private LocalDate endDate;
 }

src/test/java/de/szut/lf8_starter/integration/project/CreateProjectActionTest.java

@@ -0,0 +1,71 @@
+package de.szut.lf8_starter.integration.project;
+
+import de.szut.lf8_starter.project.ProjectRepository;
+import org.json.JSONObject;
+import org.junit.jupiter.api.Test;
+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.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+import java.time.LocalDate;
+import java.util.Arrays;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.hamcrest.Matchers.is;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc(addFilters = false)
+public class CreateProjectActionTest {
+    @Autowired
+    private MockMvc mockMvc;
+    @Autowired
+    private ProjectRepository projectRepository;
+
+    @Test
+    void createProjectTest() throws Exception {
+        String content = """
+                {
+                    "name": "name",
+                    "leading_employee": 1,
+                    "employees": [2, 3],
+                    "contractor": 4,
+                    "contractor_name": "Peter File",
+                    "comment": "goal of project",
+                    "start_date": "01.01.2000",
+                    "planned_end_date": "01.01.2001"
+                  }
+                """;
+
+        final var contentAsString = this.mockMvc.perform(
+                post("/projects").content(content).contentType(MediaType.APPLICATION_JSON)
+        )
+                .andExpect(status().isCreated())
+                .andExpect(jsonPath("name", is("name")))
+                .andExpect(jsonPath("leading_employee", is(1)))
+                .andExpect(jsonPath("employees", is(Arrays.asList(2, 3))))
+                .andExpect(jsonPath("contractor", is(4)))
+                .andExpect(jsonPath("contractor_name", is("Peter File")))
+                .andExpect(jsonPath("comment", is("goal of project")))
+                .andExpect(jsonPath("start_date", is("01.01.2000")))
+                .andExpect(jsonPath("planned_end_date", is("01.01.2001")))
+                .andReturn()
+                .getResponse()
+                .getContentAsString();
+
+            final var id = Long.parseLong(new JSONObject(contentAsString).get("id").toString());
+
+            final var project = this.projectRepository.findById(id);
+            assertThat(project.get().getName()).isEqualTo("name");
+            assertThat(project.get().getLeadingEmployee()).isEqualTo(1);
+            assertThat(project.get().getContractor()).isEqualTo(4);
+            assertThat(project.get().getContractorName()).isEqualTo("Peter File");
+            assertThat(project.get().getComment()).isEqualTo("goal of project");
+            assertThat(project.get().getStartDate()).isEqualTo(LocalDate.of(2000, 1, 1));
+            assertThat(project.get().getPlannedEndDate()).isEqualTo(LocalDate.of(2001, 1, 1));
+    }
+}

src/test/java/de/szut/lf8_starter/integration/project/ProjectFindAllSuccessTest.java

@@ -6,7 +6,6 @@ import org.junit.jupiter.api.Test;
 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.web.client.TestRestTemplate;
 import org.springframework.test.web.servlet.MockMvc;
 
 import java.time.LocalDate;
@@ -19,18 +18,15 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @AutoConfigureMockMvc(addFilters = false)
-public class ProjectFindAllSuccess {
+public class ProjectFindAllSuccessTest {
     @Autowired
     private ProjectRepository projectRepository;
 
     @Autowired
     private MockMvc mockMvc;
 
-    @Autowired
-    private TestRestTemplate restTemplate;
-
     @Test
-    void findAllProjects() throws Exception {
+    void findAllProjectsTest() throws Exception {
         var project = new ProjectEntity();
         project.setId(1);
         project.setComment("comment");
@@ -49,11 +45,11 @@ public class ProjectFindAllSuccess {
                 .andExpect(jsonPath("$[0].id").value(1))
                 .andExpect(jsonPath("$[0].comment").value("comment"))
                 .andExpect(jsonPath("$[0].contractor").value(1))
-                .andExpect(jsonPath("$[0].contractorName").value("contractorName"))
+                .andExpect(jsonPath("$[0].contractor_name").value("contractorName"))
-                .andExpect(jsonPath("$[0].endDate").value("01.01.2024"))
+                .andExpect(jsonPath("$[0].end_date").value("01.01.2024"))
-                .andExpect(jsonPath("$[0].leadingEmployee").value(1))
+                .andExpect(jsonPath("$[0].leading_employee").value(1))
                 .andExpect(jsonPath("$[0].name").value("name"))
-                .andExpect(jsonPath("$[0].startDate").value("01.01.2021"))
+                .andExpect(jsonPath("$[0].start_date").value("01.01.2021"))
                 .andExpect(jsonPath("$[0].employees").isArray())
                 .andExpect(jsonPath("$[0].employees", hasSize(3)));
     }