import org.junit.Test;

import org.junit.runner.RunWith;

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.context.junit4.SpringRunner;

import org.springframework.test.web.servlet.MockMvc;

import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;

import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;

import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

@RunWith(SpringRunner.class)

@SpringBootTest

@AutoConfigureMockMvc

public class HelloControllerTest {

    @Autowired

    private MockMvc mockMvc;

    @Test

    public void testHello() throws Exception {

        mockMvc.perform(MockMvcRequestBuilders.get("/hi").accept(MediaType.APPLICATION_JSON))

                .andExpect(status().isOk())

                .andExpect(content().string("Hello world"));

    }

}