spring-boot-rest/spring-thymeleaf-3/src/test/java/com/baeldung/thymeleaf/cssandjs/CssAndJsControllerIntegrationTest.java

package com.baeldung.thymeleaf.cssandjs;

import static org.hamcrest.CoreMatchers.containsString;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = CssAndJsApplication.class)
public class CssAndJsControllerIntegrationTest {
    @Autowired
    private WebApplicationContext context;

    private MockMvc mockMvc;

    @Before
    public void setup() {
        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.context).build();
    }
    
    @Test
    public void whenCalledGetStyledPage_thenReturnContent() throws Exception {
        this.mockMvc.perform(MockMvcRequestBuilders.get("/styled-page"))
            .andExpect(status().isOk())
            .andExpect(view().name("cssandjs/styledPage"))
            .andExpect(content().string(containsString("Carefully Styled Heading")));
    }
}