IWA/project-back/src/test/java/com/example/projectback/controllers/StudentControllerTest.java

package com.example.projectback.controllers;

import com.example.projectback.model.Student;
import com.example.projectback.repository.StudentRepository;
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.WebMvcTest;
import org.springframework.boot.test.mock.mockito.MockBean;
import org.springframework.http.MediaType;
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.RequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.web.context.WebApplicationContext;

import java.util.List;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.when;

@ExtendWith(SpringExtension.class)
@WebMvcTest(StudentController.class)
class StudentControllerTest {

    @MockBean
    private StudentRepository studentRepository;

    @Autowired
    private WebApplicationContext webApplicationContext;

    @Autowired
    private MockMvc mvc;

    @Test
    void addStudent() throws Exception {
        mvc.perform(MockMvcRequestBuilders.post("/students").contentType(MediaType.APPLICATION_JSON)
                .content("{\"firstname\": \"John\", \"lastname\": \"Smith\", \"email\": \"john.smith@example.com\", \"telephone\": \"600345624\"}")).andExpect(MockMvcResultMatchers.status().isCreated());
    }

    @Test
    void getAllStudents() throws Exception {
        Student testStudent = new Student();
        testStudent.setFirstname("John");
        testStudent.setLastname("Smith");
        testStudent.setEmail("john.smith@example.com");
        testStudent.setTelephone("600345624");

        when(studentRepository.findAll()).thenReturn(List.of(testStudent));

        RequestBuilder request = MockMvcRequestBuilders.get("/students");
        mvc.perform(request).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.jsonPath("$[0].firstname").value("John"));
    }

}