我正在使用
PowerMock开发
Test
类,因为我所有的 Legacy
代码都是使用 Private Static 方法()编写的。
运行测试类时,出现以下错误:
org.powermock.reflect.exceptions.MethodNotFoundException: No method found with name 'insertPaytmBilling' with parameter types: [ java.util.LinkedList ] in class com.xyz.PaytmBilling.
at org.powermock.reflect.internal.WhiteboxImpl.throwExceptionIfMethodWasNotFound(WhiteboxImpl.java:1122)
at org.powermock.reflect.internal.WhiteboxImpl.findMethodOrThrowException(WhiteboxImpl.java:913)
at org.powermock.reflect.internal.WhiteboxImpl.doInvokeMethod(WhiteboxImpl.java:807)
at org.powermock.reflect.internal.WhiteboxImpl.invokeMethod(WhiteboxImpl.java:675)
at org.powermock.reflect.Whitebox.invokeMethod(Whitebox.java:401)
at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.when(PowerMockitoStubberImpl.java:94)
at safe.billing.MemberBillingTest.testMemberBilling(MemberBillingTest.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:68)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:326)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:89)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:310)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:131)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.access$100(PowerMockJUnit47RunnerDelegateImpl.java:59)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner$TestExecutorStatement.evaluate(PowerMockJUnit47RunnerDelegateImpl.java:147)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.evaluateStatement(PowerMockJUnit47RunnerDelegateImpl.java:107)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:298)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:218)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:160)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:134)
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:136)
at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:121)
at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:57)
at org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
方法:
private static void insertpaytmBilling(ArrayList allPaytmBill) throws Exception{
Connection conn = getConnection(userId, passwd, url);
PreparedStatement pStatement = conn.prepareStatement(DATA_SQL);
for (int i=0; i<allPaytmBill.size(); i++){
MemberBill mBill = (MemberBill) allPaytmBill.get(i);
pStatement.setString(1, mBill.getMemberId());
......
......
..........
pStatement.execute();
//pStatement.addBatch();
}
pStatement.close();
conn.close();
}
测试班:
@RunWith(PowerMockRunner.class)
@PrepareForTest({ DriverManager.class, ABCHandler.class })
@PowerMockIgnore("javax.management.*")
public class PaytmBillingTest {
@Mock
private static Connection conn;
List<paytmBill> paytmBillings = null;
@Before
public void beforeTest() {
paytmBillings = new ArrayList<>();
paytmBill m = new paytmBill();
....
....
paytmBillings.add(m);
}
@Test
public void testpaytmBilling() throws Exception {
// Setup
Connection conn = PowerMockito.mock(Connection.class);
PowerMockito.mockStatic(DriverManager.class);
PowerMockito.mockStatic(ABCHandler.class);
PowerMockito.mockStatic(PreparedStatement.class);
// Create Spy
paytmBilling spy = PowerMockito.spy(new paytmBilling());
BDDMockito.given(ABCHandler.getConnection(anyString(), anyString(), anyString())).willReturn(conn);
PowerMockito.doReturn(true).when(spy, "insertpaytmBilling", anyList());
}
}
Edit-1:
org.mockito.exceptions.misusing.InvalidUseOfMatchersException:
Invalid use of argument matchers!
3 matchers expected, 1 recorded:
-> at safe.billing.MemberBillingTest.testMemberBilling(MemberBillingTest.java:76)
This exception may occur if matchers are combined with raw values:
//incorrect:
someMethod(anyObject(), "raw String");
When using matchers, all arguments have to be provided by matchers.
For example:
//correct:
someMethod(anyObject(), eq("String by matcher"));
您在
paytmBilling
注释中缺少 PrepareForTest
类以监视:
@PrepareForTest({ DriverManager.class, ABCHandler.class , paytmBilling.class)
有两个问题。首先是参数类型。评论中提出了修复建议:
更具体一点,将 anyList() 替换为 any(ArrayList.class)
当您使用如下结构时:
PowerMockito.doReturn(true).when(spy, "insertpaytmBilling", anyList())
PowerMock 正在间谍类中寻找名称为“insertpaytmBilling”的方法,其中包含可分配给给定参数列表的参数列表。在您的情况下,看起来像
anyList()
默认情况下返回 LinkedList
的实例,该实例不可分配给方法 ArrayList
的实际参数。
第二个问题(Edit-1)是Mockito不支持也不能支持同时使用匹配和原始参数进行模拟。您应该始终使用像
anyString()
这样的匹配器或参数Some string
。正如我从代码片段和堆栈跟踪中看到的,异常是在测试的另一部分抛出的。