我正在使用 PowerMock 轻松模拟来模拟类的静态方法。我编写了两个测试用例,如果我独立运行,它们运行良好,但同时运行时给我一个错误。
汽车测试:
@RunWith(PowerMockRunner.class)
@PrepareForTest({ ServiceCaller.class })
public class CarTest {
ServiceCaller mockServiceCallerObjectToReturn;
public CarTest() {
PowerMock.mockStaticPartial(ServiceCaller.class, "getInstance");
mockServiceCallerObjectToReturn = PowerMock.createMock(ServiceCaller.class);
EasyMock.expect(ServiceCaller.getInstance()).andReturn(mockServiceCallerObjectToReturn);
}
@Test
public void test1() throws IOException {
PowerMock.reset(mockServiceCallerObjectToReturn);
PowerMock.reset(ServiceCaller.class);
EasyMock.expect(ServiceCaller.getInstance()).andReturn(mockServiceCallerObjectToReturn);
EasyMock.expect(mockServiceCallerObjectToReturn.checkValidity("testDriver")).andReturn(false);
PowerMock.replay(mockServiceCallerObjectToReturn);
PowerMock.replay(ServiceCaller.class);
Car car = CarFactory.getInstance().getCar();
boolean canDrive = car.drive("testDriver");
Assert.assertEquals(canDrive, false);
PowerMock.verify(mockServiceCallerObjectToReturn);
PowerMock.verify(ServiceCaller.class);
}
@Test
public void test2() throws IOException {
PowerMock.reset(mockServiceCallerObjectToReturn);
PowerMock.reset(ServiceCaller.class);
EasyMock.expect(ServiceCaller.getInstance()).andReturn(mockServiceCallerObjectToReturn);
EasyMock.expect(mockServiceCallerObjectToReturn.checkValidity("testDriver")).andReturn(false);
PowerMock.replay(mockServiceCallerObjectToReturn);
PowerMock.replay(ServiceCaller.class);
Car car = CarFactory.getInstance().getCar();
boolean canDrive = car.drive("testDriver");
Assert.assertEquals(canDrive, false);
PowerMock.verify(mockServiceCallerObjectToReturn);
PowerMock.verify(ServiceCaller.class);
}
}
汽车厂:
public class CarFactory {
private static final String CAR_SPRING_CONTEXT_XML = "/com/archit/mock/spring-config/CarSpringContext.xml";
protected static final ApplicationContext CONTEXT = new ClassPathXmlApplicationContext(new String[] { CAR_SPRING_CONTEXT_XML });
private static final CarFactory INSTANCE = new CarFactory();
public static CarFactory getInstance() {
return INSTANCE;
}
public Car getCar() {
return CONTEXT.getBean("car", Car.class);
}
}
车:
package com.archit.mock;
public class Car {
private final ServiceCaller serviceCaller;
public Car(final ServiceCallerFactory serviceCallerFactory) {
this.serviceCaller = serviceCallerFactory.getServiceCaller();
}
public boolean drive(final String driver) {
return (serviceCaller.checkValidity(driver));
}
}
服务调用者:
package com.archit.mock;
public class ServiceCaller {
private static class ServiceCallerHolder {
private static ServiceCaller INSTANCE = new ServiceCaller();
}
public static ServiceCaller getInstance() {
return ServiceCallerHolder.INSTANCE;
}
public boolean checkValidity(final String x) {
// Do some call
throw new IllegalStateException("This should have been mocked");
}
}
服务调用者工厂:
package com.archit.mock;
public class ServiceCallerFactory {
public ServiceCaller getServiceCaller() {
return ServiceCaller.getInstance();
}
}
弹簧配置:
<bean name="car" class="com.archit.mock.Car">
<constructor-arg>
<ref bean="serviceCallerFactory" />
</constructor-arg>
</bean>
<bean name="serviceCallerFactory" class="com.archit.mock.ServiceCallerFactory" />
错误:
java.lang.AssertionError:
Unexpected method call ServiceCaller.checkValidity("testDriver"):
ServiceCaller.checkValidity("testDriver"): expected: 1, actual: 2
at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:44)
at org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethodsFilter.java:85)
at org.easymock.internal.ClassProxyFactory$MockMethodInterceptor.intercept(ClassProxyFactory.java:94)
at com.archit.mock.ServiceCaller$$EnhancerByCGLIB$$9848ad9e.checkValidity(<generated>)
at com.archit.mock.Car.drive(Car.java:12)
at com.archit.mock.CarTest.test2(CarTest.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:66)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:312)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:86)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:94)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:296)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:284)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:84)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:49)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:209)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:148)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:122)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:120)
at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:102)
at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)
at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:42)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
其他观察:
- 在spring config中将对象范围作为原型工作正常。
- 单独运行时,这两个测试都可以正常工作。
- 基于以上2,重新设置模拟似乎是一个问题。