PowerMockito可以用来mock静态方法
目录结构:
pom文件:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.da</groupId>
<artifactId>java-test</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>java-test</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.17.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<mockito.version>2.8.9</mockito.version>
<powermock.version>1.7.4</powermock.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!-- powermock 的依赖 -->
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-module-junit4</artifactId>
<version>${powermock.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-api-mockito2</artifactId>
<version>${powermock.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
测试类:
package com.da.javatest;
import java.util.Date;
import com.da.javatest.demo.OvertimeUtil;
import com.da.javatest.service.MySecondService;
import com.da.javatest.service.MyService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.powermock.modules.junit4.PowerMockRunnerDelegate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(PowerMockRunner.class)
@PowerMockRunnerDelegate(SpringRunner.class)
// 这里 Ignore的类都会通过spring的ClassLoader来加载,尽量要让类都从spring的ClassLoader来加载,否则有问题
@PowerMockIgnore({ "com.*", "io.*", "org.*", "ch.*", "javax.validation.*" })
@PrepareForTest({OvertimeUtil.class})
@SpringBootTest(classes = { Application.class }, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class JavaTestApplicationTests {
@Autowired
private MyService myService;
@Mock
private MySecondService mySecondService;
@Test
public void contextLoads() {
PowerMockito.mockStatic(OvertimeUtil.class);
Mockito.when(OvertimeUtil.calculationTime(Mockito.any(), Mockito.any())).thenReturn("4d");
System.out.println(OvertimeUtil.calculationTime(new Date(), new Date()));
System.out.println(myService.sayHello("Da."));
Mockito.when(mySecondService.show(Mockito.anyString())).thenReturn("show test!");
System.out.println(mySecondService.show("asd"));
}
}
启动类:
package com.da.javatest;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
接口1:
package com.da.javatest.service;
import org.springframework.stereotype.Service;
@Service
public class MyService {
public String sayHello(String name) {
return "hello " + name;
}
}
接口2:
package com.da.javatest.service;
import org.springframework.stereotype.Service;
@Service
public class MySecondService {
public String show(String text) {
return text;
}
}