<dependency>

            <groupId>org.mockito</groupId>

            <artifactId>mockito-all</artifactId>

            <version>1.9.5</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.11</version>

            <scope>test</scope>

        </dependency>

   <build>

        <plugins>

            <plugin>

                <artifactId>maven-assembly-plugin</artifactId>

                <configuration>

                    <appendAssemblyId>false</appendAssemblyId>

                    <descriptorRefs>

                        <descriptorRef>jar-with-dependencies</descriptorRef>

                    </descriptorRefs>

                    <archive>

                        <manifest>

                            <mainClass>RunJob</mainClass>

                        </manifest>

                    </archive>

                </configuration>

                <executions>

                    <execution>

                        <id>make-assembly</id>

                        <phase>package</phase>

                        <goals>

                            <goal>assembly</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-surefire-plugin</artifactId>

                <version>2.5</version>

            </plugin>

        </plugins>

    </build>

public class SimpleTest {

    @Test

    public void test() {

        Assert.assertTrue("a".equals("a"));

    }

    @Test

    public void testMock() {

        List m = mock(List.class);

        m.add(1);

        m.clear();

        verify(m).add(1);//验证执行过add(1)操作

        verify(m).clear();//验证执行过clear操作

    }

    @Test

    public void when_thenReturn() {

        //mock一个Iterator类

        Iterator iterator = mock(Iterator.class);

        //预设当iterator调用next()时第一次返回hello，第n次都返回world

        when(iterator.next()).thenReturn("hello").thenReturn("world");

        //使用mock的对象

        String result = iterator.next() + " " + iterator.next() + " " + iterator.next();

        //验证结果

        assertEquals("hello world world", result);

    }

}