src/main/java/de/szut/lf8_starter/project/action/UpdateProjectAction.java

@@ -5,6 +5,11 @@ import de.szut.lf8_starter.project.ProjectMapper;
 import de.szut.lf8_starter.project.ProjectService;
 import de.szut.lf8_starter.project.dto.GetProjectDto;
 import de.szut.lf8_starter.project.dto.UpdateProjectDto;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+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.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -23,6 +28,12 @@ public class UpdateProjectAction {
         this.projectMapper = mappingService;
     }
 
+    @Operation(summary = "Update a project by ID")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "Project updated successfully",
+                    content = @Content(mediaType = "application/json", schema = @Schema(implementation = GetProjectDto.class))),
+            @ApiResponse(responseCode = "404", description = "Project not found", content = @Content)
+    })
     @PutMapping("/{id}")
     public ResponseEntity<GetProjectDto> updateSupplier(@PathVariable Long id, @Valid @RequestBody UpdateProjectDto updateProjectDto) {
         Optional<ProjectEntity> project = this.projectService.findById(id);

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

@@ -0,0 +1,87 @@
+package de.szut.lf8_starter.integration.project;
+
+import de.szut.lf8_starter.project.ProjectEntity;
+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 java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.put;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc(addFilters = false)
+class UpdateProjectActionTest {
+    @Autowired
+    private MockMvc mockMvc;
+    @Autowired
+    private ProjectRepository projectRepository;
+
+    @Test
+    void updateProjectTest() throws Exception {
+        ProjectEntity project = new ProjectEntity();
+        project.setId(1);
+        project.setComment("comment");
+        project.setContractor(1);
+        project.setContractorName("contractorName");
+        project.setEndDate(LocalDate.of(2024, 1, 1));
+        project.setLeadingEmployee(1);
+        project.setName("name");
+        project.setStartDate(LocalDate.of(2021, 1, 1));
+        project.setEmployees(List.of(1L, 2L, 3L));
+        this.projectRepository.save(project);
+
+        String content = """
+                {
+                    "name": "updatedName",
+                    "leading_employee": 2,
+                    "employees": [3, 4, 5],
+                    "contractor": 6,
+                    "contractor_name": "Updated Contractor name",
+                    "comment": "new goal of project",
+                    "start_date": "01.01.2021",
+                    "planned_end_date": "01.01.2022"
+                  }
+                """;
+
+        final var contentAsString = this.mockMvc.perform(
+                        put("/projects/1").content(content).contentType(MediaType.APPLICATION_JSON)
+                )
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("name", is("updatedName")))
+                .andExpect(jsonPath("leading_employee", is(2)))
+                .andExpect(jsonPath("employees", is(Arrays.asList(3, 4, 5))))
+                .andExpect(jsonPath("contractor", is(6)))
+                .andExpect(jsonPath("contractor_name", is("Updated Contractor name")))
+                .andExpect(jsonPath("comment", is("new goal of project")))
+                .andExpect(jsonPath("start_date", is("01.01.2021")))
+                .andExpect(jsonPath("planned_end_date", is("01.01.2022")))
+                .andReturn()
+                .getResponse()
+                .getContentAsString();
+
+        final var id = Long.parseLong(new JSONObject(contentAsString).get("id").toString());
+
+        final var existingProject = this.projectRepository.findById(id);
+        assertThat(existingProject.get().getName()).isEqualTo("updatedName");
+        assertThat(existingProject.get().getLeadingEmployee()).isEqualTo(2);
+        assertThat(existingProject.get().getContractor()).isEqualTo(6);
+        assertThat(existingProject.get().getContractorName()).isEqualTo("Updated Contractor name");
+        assertThat(existingProject.get().getComment()).isEqualTo("new goal of project");
+        assertThat(existingProject.get().getStartDate()).isEqualTo(LocalDate.of(2021, 1, 1));
+        assertThat(existingProject.get().getPlannedEndDate()).isEqualTo(LocalDate.of(2022, 1, 1));
+
+    }
+}