單元測試—— Spring @Scheduled

系列文章

《單元測試—— Mock 對象行爲之 Mockito》

《單元測試—— Spring 環境下測試之 SpringJUnit4ClassRunner》

《單元測試—— 強大的 PowerMock》

Maven依賴

    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.3.2.RELEASE</version>
      <scope>test</scope>
    </dependency>

測試代碼

package com.zhaoxj_2017.service;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.text.SimpleDateFormat;
import java.util.Date;

@RunWith( SpringJUnit4ClassRunner.class )
@SpringBootTest( classes = {ScheduleThreadTest.class, ScheduleThreadTest.TestConfig.class} )
public class ScheduleThreadTest {
    @Test
    public void testCron() {
        try {
            Thread.sleep(30000L);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    @Configuration
    @EnableScheduling
    public static class TestConfig {
        @Bean
        public ScheduleTask getScheduleTask() {
            return new ScheduleTask();
        }
    }
}

@Component
class ScheduleTask {
    @Scheduled(fixedRateString="1000")
    public void execute() {
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        System.out.println(formatter.format(new Date().getTime()));

        try {
            Thread.sleep(2000L);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}