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How to use SystemClassUserCases class of powermock.modules.test.mockito.junit4.delegate package

Best Powermock code snippet using powermock.modules.test.mockito.junit4.delegate.SystemClassUserCases

Source:SystemClassUserTest.java

...23import org.junit.runners.model.Statement;24import org.powermock.core.classloader.annotations.PrepareForTest;25import org.powermock.modules.junit4.PowerMockRunner;26import org.powermock.modules.junit4.PowerMockRunnerDelegate;27import powermock.modules.test.mockito.junit4.delegate.SystemClassUserCases;28import powermock.modules.test.mockito.junit4.delegate.SystemClassUserMethod;29import samples.system.SystemClassUser;30/**31 * Demonstrates PowerMockito's ability to mock non-final and final system32 * classes. To mock a system class you need to prepare the calling class for33 * testing. I.e. let's say you're testing class A which interacts with34 * URLEncoder then you would do:35 *36 * <pre>37 *38 * &#064;PrepareForTest({A.class})39 *40 * </pre>41 */42@RunWith(PowerMockRunner.class)43@PowerMockRunnerDelegate(Parameterized.class)44@PrepareForTest({SystemClassUserCases.class, SystemClassUser.class})45public class SystemClassUserTest {46    final Statement test;47    public SystemClassUserTest(final SystemClassUserMethod testCase) {48        test = new Statement() {49            @Override50            public void evaluate() throws Throwable {51                try {52                    testCase.getMethod().invoke(new SystemClassUserCases());53                } catch (InvocationTargetException ex) {54                    throw ex.getTargetException();55                }56            }57        };58    }59    @Parameterized.Parameters(name = "{0}")60    public static List<?> paramValues() {61        List<Object[]> values = new ArrayList<Object[]>();62        for (SystemClassUserMethod tstCase : SystemClassUserMethod.values()) {63            values.add(new Object[]{tstCase});64        }65        return values;66    }...

SystemClassUserCases

Using AI Code Generation

1package powermock.modules.test.mockito.junit4.delegate;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.api.mockito.PowerMockito;5import org.powermock.core.classloader.annotations.PrepareForTest;6import org.powermock.modules.junit4.PowerMockRunner;7@RunWith(PowerMockRunner.class)8@PrepareForTest(SystemClassUserCases.class)9public class SystemClassUserCasesTest {10    public void testSystemClassMocking() throws Exception {11        PowerMockito.mockStatic(System.class);12        PowerMockito.when(System.currentTimeMillis()).thenReturn(1000L);13        SystemClassUserCases systemClassUserCases = new SystemClassUserCases();14        systemClassUserCases.doSomething();15        PowerMockito.verifyStatic();16        System.currentTimeMillis();17    }18}19package powermock.modules.test.mockito.junit4.delegate;20public class SystemClassUserCases {21    public void doSomething() {22        System.out.println("The current time is: " + System.currentTimeMillis());23    }24}25package powermock.modules.test.mockito.junit4.finalmocking;26import org.junit.Test;27import org.junit.runner.RunWith;28import org.powermock.api.mockito.PowerMockito;29import org.powermock.core.classloader.annotations.PrepareForTest;30import org.powermock.modules.junit4.PowerMockRunner;31import static org.junit.Assert.assertEquals;32@RunWith(PowerMockRunner.class)33@PrepareForTest({ FinalClass.class })34public class FinalClassTest {35    public void testFinalClassMocking() throws Exception {36        FinalClass finalClass = PowerMockito.mock(FinalClass.class);37        PowerMockito.when(finalClass.doSomething()).thenReturn("Hello Mock");38        assertEquals("Hello Mock", finalClass.doSomething());39    }40}

SystemClassUserCases

Using AI Code Generation

1package powermock.modules.test.mockito.junit4.delegate;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.api.mockito.PowerMockito;5import org.powermock.core.classloader.annotations.PowerMockIgnore;6import org.powermock.core.classloader.annotations.PrepareForTest;7import org.powermock.modules.junit4.PowerMockRunner;8import org.powermock.reflect.Whitebox;9import org.powermock.reflect.exceptions.FieldNotFoundException;10import org.powermock.reflect.exceptions.MethodNotFoundException;11import org.powermock.reflect.exceptions.TooManyMethodsFoundException;12import org.powermock.reflect.exceptions.TooManyFieldsFoundException;13import static org.junit.Assert.assertEquals;14import static org.junit.Assert.assertTrue;15import static org.junit.Assert.fail;16import java.lang.reflect.Field;17import java.lang.reflect.Method;18import java.lang.reflect.Modifier;19import java.util.ArrayList;20import java.util.Arrays;21import java.util.List;22import java.util.logging.Level;23import java.util.logging.Logger;24import static org.junit.Assert.assertFalse;25import static org.powermock.api.mockito.PowerMockito.mock;26import static org.powermock.api.mockito.PowerMockito.when;27import static org.powermock.api.mockito.PowerMockito.whenNew;28import org.powermock.api.support.membermodification.MemberMatcher;29import org.powermock.api.support.membermodification.MemberModifier;30import org.powermock.core.classloader.annotations.PrepareOnlyThisForTest;31import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;32import org.powermock.modules.test.mockito.junit4.delegate.SystemClassUserCases;33import org.powermock.reflect.internal.WhiteboxImpl;34import org.powermock.reflect.testclasses.ClassWithFinalMethod;35import org.powermock.reflect.testclasses.ClassWithFinalMethods;36import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFields;37import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinalInnerClasses;38import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinalInnerClassesAndFinalStaticMethods;39import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinalInnerClassesAndFinalStaticMethodsAndFinalStaticFields;40import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinalInnerClassesAndFinalStaticMethodsAndFinalStaticFieldsAndFinalInnerStaticClasses;41import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinalInnerClassesAndFinalStaticMethodsAndFinalStaticFieldsAndFinalInnerStaticClassesAndFinalInnerInnerClasses;42import org.powermock.reflect.testclasses.ClassWithFinalMethodsAndFinalFieldsAndFinal

SystemClassUserCases

Using AI Code Generation

1import java.io.BufferedReader;2import java.io.IOException;3import java.io.InputStreamReader;4import java.util.ArrayList;5import java.util.List;6import org.junit.Test;7import org.junit.runner.RunWith;8import org.powermock.api.mockito.PowerMockito;9import org.powermock.core.classloader.annotations.PrepareForTest;10import org.powermock.modules.junit4.PowerMockRunner;11import powermock.modules.test.mockito.junit4.delegate.SystemClassUserCases;12import static org.junit.Assert.assertEquals;13import static org.junit.Assert.assertFalse;14import static org.junit.Assert.assertTrue;15import static org.mockito.Matchers.anyString;16import static org.mockito.Mockito.mock;17import static org.mockito.Mockito.when;18@RunWith(PowerMockRunner.class)19@PrepareForTest({ SystemClassUserCases.class })20public class SystemClassUserCasesTest {21    public void testGetSystemProperties() throws Exception {22        String[] expectedProperties = { "java.version", "java.vendor", "java.vendor.url", "java.home", "java.vm.specification.version", "java.vm.specification.vendor", "java.vm.specification.name", "java.vm.version", "java.vm.vendor", "java.vm.name", "java.specification.version", "java.specification.vendor", "java.specification.name", "java.class.version", "java.class.path", "java.library.path", "java.io.tmpdir", "java.compiler", "java.ext.dirs", "os.name", "os.arch", "os.version", "file.separator", "path.separator", "line.separator", "user.name", "user.home", "user.dir" };23        String[] systemProperties = SystemClassUserCases.getSystemProperties();24        assertEquals(expectedProperties.length, systemProperties.length);25        for (int i = 0; i < systemProperties.length; i++) {26            assertEquals(expectedProperties[i], systemProperties[i]);27        }28    }29    public void testGetSystemProperty() throws Exception {30        String expectedProperty = "java.version";31        String systemProperty = SystemClassUserCases.getSystemProperty();32        assertEquals(expectedProperty, systemProperty);33    }34    public void testGetSystemPropertyWithDefaultValue() throws Exception {35        String expectedProperty = "java.version";36        String systemProperty = SystemClassUserCases.getSystemPropertyWithDefaultValue();37        assertEquals(expectedProperty, systemProperty);38    }

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