きーた 初投稿

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.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;

@SpringBootTest
@AutoConfigureMockMvc
public class MyControllerIntegrationTest {

@Autowired
private MockMvc mockMvc;

@Test
public void testProcessInput() throws Exception {
    String userInput = "Test Input";

    mockMvc.perform(MockMvcRequestBuilders.post("/processInput")
            .param("userInput", userInput))
            .andExpect(MockMvcResultMatchers.status().isOk())
            .andExpect(MockMvcResultMatchers.view().name("result"))
            .andExpect(MockMvcResultMatchers.model().attribute("userInput", userInput));
}

}