KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use Whitebox class of org.powermock.reflect package

Best Powermock code snippet using org.powermock.reflect.Whitebox

Source:UpgradeServiceTest.java

...26import org.junit.Assert;27import org.junit.Before;28import org.junit.Test;29import org.mockito.Mockito;30import org.mockito.internal.util.reflection.Whitebox;31import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.*;32import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.action.identifiers.ActionIdentifiers;33import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.common.header.CommonHeader;34import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.status.Status;35import org.onap.appc.executor.objects.LCMCommandStatus;36import static org.mockito.Mockito.mock;37import static org.mockito.Mockito.spy;38public class UpgradeServiceTest {39    private CommonHeader mockCommonHeader = mock(CommonHeader.class);40    private ActionIdentifiers mockAI = mock(ActionIdentifiers.class);41    private Payload mockPayload = mock(Payload.class);42    private UpgradeService upgradePreAction;43    private UpgradeService upgradePostAction;44    private UpgradeService upgradeSoftAction;45    private UpgradeService upgradeBackupAction;46    private UpgradeService upgradeBackoutAction;47    @Before48    public void setUp() throws Exception {49        upgradePreAction = spy(new UpgradeService("upgradePre"));50        upgradePostAction = spy(new UpgradeService("upgradePost"));51        upgradeSoftAction = spy(new UpgradeService("upgradeSoft"));52        upgradeBackupAction = spy(new UpgradeService("upgradeBackup"));53        upgradeBackoutAction = spy(new UpgradeService("upgradeBackout"));54    }55    @Test56    public void testConstructor() throws Exception {57        Action expectedAction = Action.UpgradePreCheck;58        Assert.assertEquals("Should have proper ACTION", expectedAction,59            (Action) org.powermock.reflect.Whitebox.getInternalState(upgradePreAction, "expectedAction"));60        Assert.assertEquals("Should have upgrade-precheck RPC name", "upgrade-pre-check",61            (org.powermock.reflect.Whitebox.getInternalState(upgradePreAction, "rpcName")).toString());62        expectedAction = Action.UpgradePostCheck;63        Assert.assertEquals("Should have proper ACTION", expectedAction,64            (Action) org.powermock.reflect.Whitebox.getInternalState(upgradePostAction, "expectedAction"));65        Assert.assertEquals("Should have upgrade-postcheck RPC name","upgrade-post-check",66            (org.powermock.reflect.Whitebox.getInternalState(upgradePostAction, "rpcName")).toString());67         expectedAction = Action.UpgradeSoftware;68        Assert.assertEquals("Should have proper ACTION", expectedAction,69                (Action) org.powermock.reflect.Whitebox.getInternalState(upgradeSoftAction, "expectedAction"));70        Assert.assertEquals("Should have upgrade-software RPC name", "upgrade-software",71                (org.powermock.reflect.Whitebox.getInternalState(upgradeSoftAction, "rpcName")).toString());72        expectedAction = Action.UpgradeBackup;73        Assert.assertEquals("Should have proper ACTION", expectedAction,74                (Action) org.powermock.reflect.Whitebox.getInternalState(upgradeBackupAction, "expectedAction"));75        Assert.assertEquals("Should have upgrade-backup RPC name","upgrade-backup",76                (org.powermock.reflect.Whitebox.getInternalState(upgradeBackupAction, "rpcName")).toString());77        expectedAction = Action.UpgradeBackout;78        Assert.assertEquals("Should have proper ACTION", expectedAction,79                (Action) org.powermock.reflect.Whitebox.getInternalState(upgradeBackoutAction, "expectedAction"));80        Assert.assertEquals("Should have upgrade-backout RPC name","upgrade-backout",81                (org.powermock.reflect.Whitebox.getInternalState(upgradeBackoutAction, "rpcName")).toString());82    }83    @Test84    public void testValidateForPreCheckAction() throws Exception {85        // test commonHeader error86        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);87        Status status = (Status) Whitebox.getInternalState(upgradePreAction, "status");88        Assert.assertEquals("should return missing parameter",89            Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());90        ZULU mockTimeStamp = mock(ZULU.class);91        Mockito.doReturn(mockTimeStamp).when(mockCommonHeader).getTimestamp();92        Mockito.doReturn("api ver").when(mockCommonHeader).getApiVer();93        Mockito.doReturn("orignator Id").when(mockCommonHeader).getOriginatorId();94        Mockito.doReturn("request Id").when(mockCommonHeader).getRequestId();95        // test Invalid action96        Mockito.doReturn(null).when(upgradePreAction).validateVnfId(Mockito.any(CommonHeader.class), 97                Mockito.any(Action.class), Mockito.any(ActionIdentifiers.class));98        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);99        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");100        Assert.assertEquals("Should return invalid parameter for action",101            Integer.valueOf(302), status.getCode());102        // test empty ActionIdentifier103        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);104        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");105        Assert.assertEquals("should return missing parameter",106            Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());107        // test empty VSERVER_ID108        Mockito.doReturn("").when(mockAI).getVnfId();109        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);110        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");111        Assert.assertEquals("should return invalid parameter",112            Integer.valueOf(302), status.getCode());113        Mockito.doReturn("vnfId").when(mockAI).getVnfId();114        // test null payload115        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, null);116        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");117        Assert.assertEquals("should return missing parameter",118            Integer.valueOf(LCMCommandStatus.MISSING_MANDATORY_PARAMETER.getResponseCode()), status.getCode());119        // test empty payload120        Mockito.doReturn("").when(mockPayload).getValue();121        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);122        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");123        Assert.assertEquals("should return invalid parameter",124            Integer.valueOf(301), status.getCode());125        // test space payload126        Mockito.doReturn(null).when(upgradePreAction).validateMustHaveParamValue(Mockito.anyString(),127                Mockito.anyString());128        Mockito.doReturn(" ").when(mockPayload).getValue();129        upgradePreAction.validate(mockCommonHeader, Action.UpgradePreCheck, mockAI, mockPayload);130        status = (Status) Whitebox.getInternalState(upgradePreAction, "status");131        Assert.assertEquals("should return invalid parameter",132                Integer.valueOf(LCMCommandStatus.UNEXPECTED_ERROR.getResponseCode()), status.getCode());133    }134}...

Source:AbstractAmazonJobExecutorTest.java

...26import org.junit.Rule;27import org.junit.Test;28import org.junit.rules.TemporaryFolder;29import org.junit.runner.RunWith;30import org.mockito.internal.util.reflection.Whitebox;31import org.pentaho.amazon.hive.job.AmazonHiveJobExecutor;32import org.pentaho.di.core.vfs.KettleVFS;33import org.powermock.api.mockito.PowerMockito;34import org.powermock.core.classloader.annotations.PowerMockIgnore;35import org.powermock.core.classloader.annotations.PrepareForTest;36import org.powermock.modules.junit4.PowerMockRunner;37import java.io.File;38import static org.junit.Assert.assertEquals;39import static org.mockito.Mockito.mock;40import static org.mockito.Mockito.when;41/**42 * Created by Aliaksandr_Zhuk on 2/7/2018.43 */44@RunWith( PowerMockRunner.class )45@PrepareForTest( AmazonHiveJobExecutor.class )46@PowerMockIgnore( "jdk.internal.reflect.*" )47public class AbstractAmazonJobExecutorTest {48  @Rule49  public TemporaryFolder temporaryFolder = new TemporaryFolder();50  private File stagingFile;51  private File stagingFolder;52  private AbstractAmazonJobExecutor jobExecutor;53  @Before54  public void setUp() throws Exception {55    jobExecutor = PowerMockito.spy( new AmazonHiveJobExecutor() );56    stagingFolder = temporaryFolder.newFolder( "emr" );57    stagingFile = temporaryFolder.newFile( stagingFolder.getName() + "/hive.q" );58  }59  @Test60  public void testGetS3FileObjectPath_validPath() throws Exception {61    String stagingDirWithScheme = "s3://s3/emr/hive";62    String expectedStagingDirPath = "/s3/emr/hive";63    AWSCredentials credentials = mock( AWSCredentials.class );64    when( credentials.getAWSAccessKeyId() ).thenReturn( null );65    when( credentials.getAWSSecretKey() ).thenReturn( null );66    Whitebox.setInternalState( jobExecutor, "stagingDir", stagingDirWithScheme );67    String stagingDirPath = org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "getS3FileObjectPath" );68    assertEquals( expectedStagingDirPath, stagingDirPath );69  }70  @Test71  public void testGetKeyFromS3StagingDir_getNullKey() throws Exception {72    PowerMockito.doReturn( "/test" ).when( jobExecutor, "getS3FileObjectPath" );73    String bucketKey = org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "getKeyFromS3StagingDir" );74    assertEquals( null, bucketKey );75  }76  @Test77  public void testGetKeyFromS3StagingDir_getNotNullKey() throws Exception {78    PowerMockito.doReturn( "/bucket/key" ).when( jobExecutor, "getS3FileObjectPath" );79    String bucketKey = org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "getKeyFromS3StagingDir" );80    assertEquals( "key", bucketKey );81  }82  @Test83  public void testSetS3BucketKey_keyNotNull() throws Exception {84    String bucketKey = "key/subkey";85    String expectedKey = bucketKey + "/" + stagingFile.getName();86    FileObject stagingFileObject = KettleVFS.getFileObject( stagingFile.getPath() );87    PowerMockito.doReturn( bucketKey ).when( jobExecutor, "getKeyFromS3StagingDir" );88    org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "setS3BucketKey", stagingFileObject );89    String bucketKeyWithFileName = (String) Whitebox.getInternalState( jobExecutor, "key" );90    assertEquals( expectedKey, bucketKeyWithFileName );91  }92  @Test93  public void testSetS3BucketKey_keyNull() throws Exception {94    String bucketKey = null;95    String expectedKey = stagingFile.getName();96    FileObject stagingFileObject = KettleVFS.getFileObject( stagingFile.getPath() );97    PowerMockito.doReturn( bucketKey ).when( jobExecutor, "getKeyFromS3StagingDir" );98    org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "setS3BucketKey", stagingFileObject );99    String bucketKeyWithFileName = (String) Whitebox.getInternalState( jobExecutor, "key" );100    assertEquals( expectedKey, bucketKeyWithFileName );101  }102  @Test103  public void testSetS3BucketKey_keyEmptyString() throws Exception {104    String bucketKey = "";105    String expectedKey = stagingFile.getName();106    FileObject stagingFileObject = KettleVFS.getFileObject( stagingFile.getPath() );107    PowerMockito.doReturn( bucketKey ).when( jobExecutor, "getKeyFromS3StagingDir" );108    org.powermock.reflect.Whitebox.invokeMethod( jobExecutor, "setS3BucketKey", stagingFileObject );109    String bucketKeyWithFileName = (String) Whitebox.getInternalState( jobExecutor, "key" );110    assertEquals( expectedKey, bucketKeyWithFileName );111  }112  @Test113  public void testGetStagingBucketName_OneFolder() throws Exception {114    String expectedBucketName = "test";115    PowerMockito.doReturn( "/test" ).when( jobExecutor, "getS3FileObjectPath" );116    String bucketName = jobExecutor.getStagingBucketName();117    assertEquals( expectedBucketName, bucketName );118  }119  @Test120  public void testGetStagingBucketName_withSubfolder() throws Exception {121    String expectedBucketName = "test";122    PowerMockito.doReturn( "/test/hive" ).when( jobExecutor, "getS3FileObjectPath" );123    String bucketName = jobExecutor.getStagingBucketName();...

Source:package-info.java

2 * Regression: MethodNotFoundException3 * https://github.com/powermock/powermock/issues/7174 *5 * org.powermock.reflect.exceptions.MethodNotFoundException: No methods matching the name(s) accept were found in the class hierarchy of class java.lang.Object.6 at org.powermock.reflect.internal.WhiteboxImpl.getMethods(WhiteboxImpl.java:1720)7 at org.powermock.reflect.internal.WhiteboxImpl.getMethods(WhiteboxImpl.java:1745)8 at org.powermock.reflect.internal.WhiteboxImpl.getBestMethodCandidate(WhiteboxImpl.java:983)9 at org.powermock.core.MockGateway$MockInvocation.findMethodToInvoke(MockGateway.java:317)10 at org.powermock.core.MockGateway$MockInvocation.init(MockGateway.java:356)11 at org.powermock.core.MockGateway$MockInvocation.<init>(MockGateway.java:307)12 at org.powermock.core.MockGateway.doMethodCall(MockGateway.java:142)13 at org.powermock.core.MockGateway.methodCall(MockGateway.java:125)14 at InstanceFacadeImplTest.pendingInstanceStatusProcessorShouldDoNothing(InstanceFacadeI15 *16 */...

Whitebox

Using AI Code Generation

1import org.powermock.reflect.Whitebox;2import java.lang.reflect.Method;3import java.lang.reflect.InvocationTargetException;4public class 4 {5    public static void main(String[] args) {6        try {7            Class<?> cls = Class.forName("4");8            Method m = cls.getDeclaredMethod("test");9            m.invoke(null);10        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {11            e.printStackTrace();12        }13    }14    public static void test() {15        System.out.println("test");16    }17}18import org.junit.Test;19import static org.junit.Assert.*;20import org.powermock.reflect.Whitebox;21public class 4Test {22    public void test() {23        Whitebox.invokeMethod(4.class, "test");24    }25}26import org.powermock.reflect.Whitebox;27import java.lang.reflect.Method;28import java.lang.reflect.InvocationTargetException;29public class 4 {30    public static void main(String[] args) {31        try {32            Class<?> cls = Class.forName("4");33            Method m = cls.getDeclaredMethod("test");34            m.invoke(null);35        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {36            e.printStackTrace();37        }38    }39    public static void test() {40        System.out.println("test");41    }42}43import org.junit.Test;44import static org.junit.Assert.*;45import org.powermock.reflect.Whitebox;46public class 4Test {47    public void test() {48        Whitebox.invokeMethod(4.class, "test");49    }50}51import org.powermock.reflect.Whitebox;52import java.lang.reflect.Method;53import java.lang.reflect.InvocationTargetException;54public class 4 {55    public static void main(String[] args) {56        try {57            Class<?> cls = Class.forName("4");58            Method m = cls.getDeclaredMethod("test");59            m.invoke(null);60        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {61            e.printStackTrace();62        }63    }64    public static void test() {65        System.out.println("test");66    }67}68import org.junit.Test;69import static org.junit.Assert.*;

Whitebox

Using AI Code Generation

1package com.powermock;2import static org.powermock.api.mockito.PowerMockito.mockStatic;3import org.junit.Test;4import org.powermock.reflect.Whitebox;5public class TestWhitebox {6	public void test() throws Exception {7		mockStatic(Whitebox.class);8		Whitebox.invokeMethod(Whitebox.class, "getInternalState", new Object[] { this, "field" });9	}10}11package com.powermock;12import static org.powermock.api.mockito.PowerMockito.mockStatic;13import org.junit.Test;14import org.powermock.reflect.Whitebox;15public class TestWhitebox {16	public void test() throws Exception {17		mockStatic(Whitebox.class);18		Whitebox.setInternalState(Whitebox.class, "field", "value");19	}20}21package com.powermock;22import static org.powermock.api.mockito.PowerMockito.mockStatic;23import org.junit.Test;24import org.powermock.reflect.Whitebox;25public class TestWhitebox {26	public void test() throws Exception {27		mockStatic(Whitebox.class);28		Whitebox.setInternalState(Whitebox.class, "field", "value");29	}30}31package com.powermock;32import static org.powermock.api.mockito.PowerMockito.mockStatic;33import org.junit.Test;34import org.powermock.reflect.Whitebox;35public class TestWhitebox {36	public void test() throws Exception {37		mockStatic(Whitebox.class);38		Whitebox.setInternalState(Whitebox.class, "field", "value");39	}40}41package com.powermock;42import static org.powermock.api.mockito.PowerMockito.mockStatic;43import org.junit.Test;44import org.powermock.reflect.Whitebox;45public class TestWhitebox {46	public void test() throws Exception {47		mockStatic(Whitebox.class);48		Whitebox.setInternalState(Whitebox.class, "field", "value");49	}50}51package com.powermock;

Whitebox

Using AI Code Generation

1package com.powermock;2import java.io.File;3import java.io.IOException;4import java.util.ArrayList;5import java.util.List;6import org.powermock.reflect.Whitebox;7public class Path {

Whitebox

Using AI Code Generation

1import org.powermock.reflect.Whitebox;2import java.lang.reflect.Method;3public class 4 {4    public static void main(String[] args) throws Exception {5        int a = 5;6        int b = 10;7        int result = Whitebox.invokeMethod(new Calculator(), "add", a, b);8        System.out.println("Result of add method: " + result);9    }10}11public class Calculator {12    private int add(int a, int b) {13        return a + b;14    }15}16import org.powermock.reflect.Whitebox;17import java.lang.reflect.Method;18public class 5 {19    public static void main(String[] args) throws Exception {20        int a = 5;21        int b = 10;22        int result = Whitebox.invokeMethod(null, "add", a, b);23        System.out.println("Result of add method: " + result);24    }25}26public class Calculator {27    private static int add(int a, int b) {28        return a + b;29    }30}31import org.powermock.reflect.Whitebox;32import java.lang.reflect.Method;33public class 6 {34    public static void main(String[] args) throws Exception {35        int a = 5;36        int b = 10;37        int result = Whitebox.invokeMethod(null, Calculator.class, "add", a, b);38        System.out.println("Result of add method: " + result);39    }40}41public class Calculator {42    private static int add(int a, int b) {43        return a + b;44    }45}46import org.powermock.reflect.Whitebox;47import

Whitebox

Using AI Code Generation

1import org.powermock.reflect.Whitebox;2public class 4 {3    public static void main(String[] args) {4        ClassToBeTested c = new ClassToBeTested();5        Whitebox.invokeMethod(c, "privateMethod");6        Whitebox.setInternalState(c, "privateField", "newValue");7        Whitebox.newInstance(ClassToBeTested.class);8    }9}

Whitebox

Using AI Code Generation

1import java.lang.reflect.Field;2import org.powermock.reflect.Whitebox;3public class 4 {4	public static void main(String[] args) throws Exception {5		Example e = new Example();6		Whitebox.setInternalState(e, "privateField", "privateFieldValue");7		String fieldValue = Whitebox.getInternalState(e, "privateField");

Whitebox

Using AI Code Generation

1import org.powermock.reflect.Whitebox; 2public class WhiteboxClass {3    public static void main(String[] args) {4        WhiteboxClass whiteboxClass = new WhiteboxClass();5        whiteboxClass.print();6    }7    private void print() {8        System.out.println("Hello World!");9    }10}11javac -cp powermock-api-mockito-1.6.4.jar;powermock-core-1.6.4.jar;powermock-reflect-1.6.4.jar;mockito-all-1.9.5.jar;objenesis-1.2.jar 4.java12java -cp powermock-api-mockito-1.6.4.jar;powermock-core-1.6.4.jar;powermock-reflect-1.6.4.jar;mockito-all-1.9.5.jar;objenesis-1.2.jar; 413import org.powermock.reflect.Whitebox; 14public class WhiteboxClass {15    public static void main(String[] args) {16        WhiteboxClass whiteboxClass = new WhiteboxClass();17        whiteboxClass.print();18    }19    private void print() {20        System.out.println("Hello World!");21    }22}23javac -cp powermock-api-mockito-1.6.4.jar;powermock-core-1.6.4.jar;powermock-reflect-1.6.4.jar;mockito-all-1.9.5.jar;objenesis-1.2.jar 5.java24java -cp powermock-api-mockito-1.6.4.jar;powermock-core-1.6.4.jar;powermock-reflect-1.6.4.jar;mockito-all-1.9.5.jar;objenesis-1.2.jar; 525import org.powermock.reflect.Whitebox; 26public class WhiteboxClass {27    public static void main(String[] args) {

Whitebox

Using AI Code Generation

1public class Test {2    private String name;3    public String getName() {4        return name;5    }6    public void setName(String name) {7        this.name = name;8    }9}10public class TestTest {11    public void testSetName() {12        Test test = new Test();13        Whitebox.setInternalState(test, "name", "test");14        assertEquals("test", test.getName());15    }16}17at org.powermock.reflect.internal.WhiteboxImpl.getField(WhiteboxImpl.java:142)18at org.powermock.reflect.internal.WhiteboxImpl.setInternalState(WhiteboxImpl.java:203)19at org.powermock.reflect.Whitebox.setInternalState(Whitebox.java:87)20at TestTest.testSetName(TestTest.java:15)21at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)22at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)23at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)24at java.lang.reflect.Method.invoke(Method.java:498)25at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)26at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)27at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)28at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)29at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)30at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)31at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)32at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)33at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)34at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)35at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)36at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)37at org.junit.runners.ParentRunner.run(ParentRunner.java:363)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.