Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use PowerMockRule method of samples.powermockito.junit4.agent.SystemClassUserTest class

Best Powermock code snippet using samples.powermockito.junit4.agent.SystemClassUserTest.PowerMockRule

Source:SystemClassUserTest.java

...16package samples.powermockito.junit4.agent;17import org.junit.Rule;18import org.junit.Test;19import org.powermock.core.classloader.annotations.PrepareForTest;20import org.powermock.modules.junit4.rule.PowerMockRule;21import samples.system.SystemClassUser;22import java.net.URLEncoder;23import java.util.Collections;24import java.util.LinkedList;25import java.util.List;26import static org.junit.Assert.assertEquals;27import static org.junit.Assert.assertSame;28import static org.mockito.Mockito.times;29import static org.powermock.api.mockito.PowerMockito.mock;30import static org.powermock.api.mockito.PowerMockito.mockStatic;31import static org.powermock.api.mockito.PowerMockito.spy;32import static org.powermock.api.mockito.PowerMockito.verifyStatic;33import static org.powermock.api.mockito.PowerMockito.when;34/**35 * Demonstrates PowerMockito's ability to mock non-final and final system36 * classes. To mock a system class you need to prepare the calling class for37 * testing. I.e. let's say you're testing class A which interacts with38 * URLEncoder then you would do:39 * 40 * <pre>41 * 42 * &#064;PrepareForTest({A.class})43 * 44 * </pre>45 */46@SuppressWarnings("MalformedFormatString")47@PrepareForTest( { SystemClassUser.class })48public class SystemClassUserTest {49    @Rule50    public PowerMockRule powerMockRule = new PowerMockRule();51    @Test52    public void assertThatMockingOfNonFinalSystemClassesWorks() throws Exception {53        mockStatic(URLEncoder.class);54        when(URLEncoder.encode("string", "enc")).thenReturn("something");55        assertEquals("something", new SystemClassUser().performEncode());56    }57    @Test58    public void assertThatMockingOfTheRuntimeSystemClassWorks() throws Exception {59        mockStatic(Runtime.class);60        Runtime runtimeMock = mock(Runtime.class);61        Process processMock = mock(Process.class);62        when(Runtime.getRuntime()).thenReturn(runtimeMock);63        when(runtimeMock.exec("command")).thenReturn(processMock);64        assertSame(processMock, new SystemClassUser().executeCommand());...

PowerMockRule

Using AI Code Generation

1public class SystemClassUserTest {2    public PowerMockRule rule = new PowerMockRule();3    public void testSystemClassMethod() {4        SystemClassUser systemClassUser = new SystemClassUser();5        systemClassUser.systemClassMethod();6    }7}8@RunWith(PowerMockRunner.class)9@PrepareForTest(SystemClassUser.class)10public class SystemClassUserTest {11    public void testSystemClassMethod() {12        SystemClassUser systemClassUser = new SystemClassUser();13        systemClassUser.systemClassMethod();14    }15}16@RunWith(PowerMockRunner.class)17@PrepareForTest(SystemClassUser.class)18public class SystemClassUserTest {19    public void testSystemClassMethod() {20        SystemClassUser systemClassUser = new SystemClassUser();21        systemClassUser.systemClassMethod();22    }23}

PowerMockRule

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.modules.junit4.PowerMockRunner;6import org.powermock.modules.junit4.rule.PowerMockRule;7import samples.powermockito.junit4.agent.SystemClassUser;8import static org.junit.Assert.assertEquals;9import static org.powermock.api.mockito.PowerMockito.whenNew;10@RunWith(PowerMockRunner.class)11@PrepareForTest(SystemClassUser.class)12public class SystemClassUserTest {13    public PowerMockRule rule = new PowerMockRule();14    public void testSystemClass() throws Exception {15        whenNew(System.class).withNoArguments().thenReturn(null);16        assertEquals("null", new SystemClassUser().getSystem());17    }18}19import org.junit.Rule;20import org.junit.Test;21import org.junit.runner.RunWith;22import org.powermock.core.classloader.annotations.PrepareForTest;23import org.powermock.modules.junit4.PowerMockRunner;24import org.powermock.modules.junit4.rule.PowerMockRule;25import org.powermock.modules.junit4.rule.PowerMockRunnerDelegate;26import samples.powermockito.junit4.agent.SystemClassUser;27import static org.junit.Assert.assertEquals;28import static org.powermock.api.mockito.PowerMockito.whenNew;29@RunWith(PowerMockRunner.class)30@PowerMockRunnerDelegate(PowerMockRunner.class)31@PrepareForTest(SystemClassUser.class)32public class SystemClassUserTest {33    public PowerMockRule rule = new PowerMockRule();34    public void testSystemClass() throws Exception {35        whenNew(System.class).withNoArguments().thenReturn(null);36        assertEquals("null", new SystemClassUser().getSystem());37    }38}

PowerMockRule

Using AI Code Generation

1public class SystemClassUserTest {2    public PowerMockRule rule = new PowerMockRule();3    public void testSystemClassUsage() {4        SystemClassUser.doSomething();5    }6}7@RunWith(PowerMockRunner.class)8@PrepareForTest(SystemClassUser.class)9public class SystemClassUserTest {10    public void testSystemClassUsage() {11        SystemClassUser.doSomething();12    }13}14@RunWith(PowerMockRunner.class)15@PrepareForTest(SystemClassUser.class)16public class SystemClassUserTest {17    public void testSystemClassUsage() {18        SystemClassUser.doSomething();19    }20}21@RunWith(PowerMockRunner.class)22@PrepareForTest(SystemClassUser.class)23public class SystemClassUserTest {24    public void testSystemClassUsage() {25        SystemClassUser.doSomething();26    }27}28@RunWith(PowerMockRunner.class)29@PrepareForTest(SystemClassUser.class)30public class SystemClassUserTest {31    public void testSystemClassUsage() {32        SystemClassUser.doSomething();33    }34}35@RunWith(PowerMockRunner.class)36@PrepareForTest(SystemClassUser.class)37public class SystemClassUserTest {38    public void testSystemClassUsage() {39        SystemClassUser.doSomething();40    }41}42@RunWith(PowerMockRunner.class)43@PrepareForTest(SystemClassUser.class)44public class SystemClassUserTest {45    public void testSystemClassUsage() {46        SystemClassUser.doSomething();47    }48}49@RunWith(PowerMockRunner.class)50@PrepareForTest(SystemClassUser.class)

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.