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I'm having an issue with mockito and powermock, I can mock an abstract class with a final static method with no problems. When trying to mock an Interface as with WebIServerSession I'm getting the stacktrace below. I've had a look at other issues in powermock github repo and it seems to be related with the jvm version. I've already upgraded to the latest 1.8 java version as stated in https://github.com/mockito/mockito/issues/636 and I'm still getting the same error. Might it be related with Powermock compatibility with Mockito 2?
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.testng.PowerMockTestCase;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.doReturn;
import static org.powermock.api.mockito.PowerMockito.mock;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
import static org.powermock.api.mockito.PowerMockito.spy;
import static org.powermock.api.mockito.PowerMockito.verifyPrivate;
import static org.powermock.api.mockito.PowerMockito.whenNew;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
@BeforeMethod
public void setup() throws Exception {
mockStatic(ResourceBundle.class);
mockStatic(WebObjectsFactory.class);
WebObjectsFactory webObjectsFactory = mock(WebObjectsFactory.class);
WebIServerSession webIServerSession = mock(WebIServerSession.class);
PowerMockito.when(WebObjectsFactory.getInstance()).thenReturn(webObjectsFactory);
PowerMockito.when(webObjectsFactory.getIServerSession()).thenReturn(webIServerSession);
whenNew(ThreadLocal.class).withNoArguments().thenReturn(errorContainer);
MockitoAnnotations.initMocks(this);
}
@Test
public void shouldBeTrue() {
assertTrue(true);
}
Maven dependencies:
<dependencies>
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>6.14.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>2.8.9</version>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-core</artifactId>
<version>1.7.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-module-testng</artifactId>
<version>1.7.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-api-mockito2</artifactId>
<version>1.7.4</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.powermock</groupId>
<artifactId>powermock-reflect</artifactId>
<version>1.7.4</version>
<scope>test</scope>
</dependency>
</dependencies>
Stacktrace:
org.mockito.exceptions.base.MockitoException:
Mockito cannot mock this class: interface com.microstrategy.web.objects.WebIServerSession.
Mockito can only mock non-private & non-final classes.
If you're not sure why you're getting this error, please report to the mailing list.
Java : 1.8
JVM vendor name : Oracle Corporation
JVM vendor version : 25.191-b12
JVM name : Java HotSpot(TM) 64-Bit Server VM
JVM version : 1.8.0_191-b12
JVM info : mixed mode
OS name : Mac OS X
OS version : 10.14.1
Underlying exception : java.lang.IllegalArgumentException: Could not create type
at com.myproject.SSOESMTest.setup(SSOESMTest.java:63)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:59)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:458)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:222)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:523)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
at org.testng.TestRunner.privateRun(TestRunner.java:648)
at org.testng.TestRunner.run(TestRunner.java:505)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:455)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:450)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:415)
at org.testng.SuiteRunner.run(SuiteRunner.java:364)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:84)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1208)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1137)
at org.testng.TestNG.runSuites(TestNG.java:1049)
at org.testng.TestNG.run(TestNG.java:1017)
at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:72)
at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)
Caused by: java.lang.IllegalArgumentException: Could not create type
at net.bytebuddy.TypeCache.findOrInsert(TypeCache.java:154)
at net.bytebuddy.TypeCache$WithInlineExpunction.findOrInsert(TypeCache.java:365)
at net.bytebuddy.TypeCache.findOrInsert(TypeCache.java:174)
at net.bytebuddy.TypeCache$WithInlineExpunction.findOrInsert(TypeCache.java:376)
at org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator.mockClass(TypeCachingBytecodeGenerator.java:32)
at org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker.createMockType(SubclassByteBuddyMockMaker.java:71)
at org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker.createMock(SubclassByteBuddyMockMaker.java:42)
at org.powermock.api.mockito.mockmaker.PowerMockMaker.createMock(PowerMockMaker.java:50)
at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.createMethodInvocationControl(DefaultMockCreator.java:116)
at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.createMock(DefaultMockCreator.java:69)
at org.powermock.api.mockito.internal.mockcreation.DefaultMockCreator.mock(DefaultMockCreator.java:46)
at org.powermock.api.mockito.PowerMockito.mock(PowerMockito.java:138)
... 28 more
Caused by: java.lang.NoClassDefFoundError: com/microstrategy/utils/xml/SAXSupport
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at net.bytebuddy.description.method.MethodList$ForLoadedMethods.<init>(MethodList.java:109)
at net.bytebuddy.description.type.TypeDescription$ForLoadedType.getDeclaredMethods(TypeDescription.java:8426)
at net.bytebuddy.description.type.TypeDescription$Generic$OfNonGenericType.getDeclaredMethods(TypeDescription.java:3654)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.doAnalyze(MethodGraph.java:634)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.analyze(MethodGraph.java:596)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.doAnalyze(MethodGraph.java:632)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.analyze(MethodGraph.java:596)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.doAnalyze(MethodGraph.java:632)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.analyze(MethodGraph.java:596)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.doAnalyze(MethodGraph.java:632)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$Default.compile(MethodGraph.java:567)
at net.bytebuddy.dynamic.scaffold.MethodGraph$Compiler$AbstractBase.compile(MethodGraph.java:465)
at net.bytebuddy.dynamic.scaffold.MethodRegistry$Default.prepare(MethodRegistry.java:463)
at net.bytebuddy.dynamic.scaffold.subclass.SubclassDynamicTypeBuilder.make(SubclassDynamicTypeBuilder.java:198)
at net.bytebuddy.dynamic.scaffold.subclass.SubclassDynamicTypeBuilder.make(SubclassDynamicTypeBuilder.java:189)
at net.bytebuddy.dynamic.DynamicType$Builder$AbstractBase.make(DynamicType.java:3394)
at net.bytebuddy.dynamic.DynamicType$Builder$AbstractBase$Delegator.make(DynamicType.java:3583)
at org.mockito.internal.creation.bytebuddy.SubclassBytecodeGenerator.mockClass(SubclassBytecodeGenerator.java:94)
at org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator$1.call(TypeCachingBytecodeGenerator.java:37)
at org.mockito.internal.creation.bytebuddy.TypeCachingBytecodeGenerator$1.call(TypeCachingBytecodeGenerator.java:34)
at net.bytebuddy.TypeCache.findOrInsert(TypeCache.java:152)
... 39 more
Caused by: java.lang.ClassNotFoundException: com.microstrategy.utils.xml.SAXSupport
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:202)
at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass1(DeferSupportingClassLoader.java:89)
at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:79)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 63 more
Test ignored.
===============================================
Default Suite
Total tests run: 1, Failures: 0, Skips: 1
Configuration Failures: 1, Skips: 2
===============================================
Process finished with exit code 0
535
mock() method allows us to create a mock object of a class or an interface. We can then use the mock to stub return values for its methods and verify if they were called. We don't need to do anything else to this method before we can use it. We can use it to create mock class fields, as well as local mocks in a method.
initMocks. Deprecated. Use openMocks(Object) instead. This method is equivalent to openMocks(testClass).
Option 2: Adding a file to enable the Mock maker inlineCreate a resources directory in your test directory if you do not have one. In resources create the directory mockito-extensions and in that directory the file org. mockito. plugins.
The latest version of Mockito can be found via https://search.maven.org/artifact/org.mockito/mockito-core. To use Mockito in your Maven project, add the following dependency to your pom file. It assumes that you already added the dependencies for your test framework, e.g. JUnit 5. Use 3.12.
The exception is most likely to occur due to the version of Mockito used.
Try by replacing the current version of mockito-core with below dependency.
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>2.22.0</version>
<scope>test</scope>
</dependency>
Ignore the warning of overriding managed version in pom.xml
94
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