1. The idea creates a new Spring Boot project and selects the Web type
2. Add the HelloController class, the code is as follows
<pre class="prettyprint linenums" >
package com.example.demo;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockServletContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.mock.web.MockBodyContent;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import static org.hamcrest.Matchers.equalTo;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = MockServletContext.class)
//@WebAppConfiguration
public class Chapter1ApplicationTests {
private MockMvc mvc;
@Before
public void setUp() throws Exception {
mvc = MockMvcBuilders.standaloneSetup(new HelloController()).build();
}
@Test
public void getHello() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/hello").accept(MediaType.APPLICATION_JSON))
.andExpect(status().isOk())
.andExpect(content().string(equalTo("Hello World")));
}
}
</pre>
3. Start the project to visit hello, and output the page content hello world. I have to say that the technology is changing very fast now, which is much easier than before.
4. Write the test unit and create the Chapter1ApplicationTests test class, the code is as follows
<pre class="prettyprint linenums" >
package com.example.demo;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockServletContext;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.mock.web.MockBodyContent;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import static org.hamcrest.Matchers.equalTo;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringBootTest(classes = MockServletContext.class)
//@WebAppConfiguration
public class Chapter1ApplicationTests {
private MockMvc mvc;
@Before
public void setUp() throws Exception {
mvc = MockMvcBuilders.standaloneSetup(new HelloController()).build();
}
@Test
public void getHello() throws Exception {
mvc.perform(MockMvcRequestBuilders.get("/hello").accept(MediaType.APPLICATION_JSON))
.andExpect(status().isOk())
.andExpect(content().string(equalTo("Hello World")));
}
}
</pre>
5. Run the test getHello class to view the test results
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