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springboot之使用junit測試

專案結構

application.properties

user.username=tom
user.password=123

User.java

package com.fengqing.qqspringboot.bean;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties(prefix = "user")
public class User {

    private String username;

    private String password;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
}

ApplicationContextUtil.java

package com.fengqing.qqspringboot.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class ApplicationContextUtil implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (ApplicationContextUtil.applicationContext == null) {
            ApplicationContextUtil.applicationContext = applicationContext;
        }
    }

    public static Object getBean(String beanName) {
        return applicationContext.getBean(beanName);
    }
}
QqspringbootApplicationTests.java
package com.fengqing.qqspringboot;

import com.fengqing.qqspringboot.bean.User;
import com.fengqing.qqspringboot.util.ApplicationContextUtil;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
public class QqspringbootApplicationTests {

	@Test
	public void contextLoads() {
        User user = (User)ApplicationContextUtil.getBean("user");
        System.out.println(user.getUsername());
	}

}