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

Copied to Clipboard!

How to use PowerMockRunner class of org.powermock.modules.junit4 package

Best Powermock code snippet using org.powermock.modules.junit4.PowerMockRunner

Source:RealmTestUtils.java

...20 */21public class RealmTestUtils {22    /**23     *24     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}25     * Test classes should be annotated {@link org.powermock.core.classloader.annotations.PrepareForTest}26     * : RealmQuery.class27     *28     * Initialize a mock realm when perform a query. This mock realm will turn a mock {@link RealmQuery}29     * when perform {@link Realm#where(Class)}, and the mock query will return itself when perform {@link RealmQuery#equalTo(String, Long)}30     *31     * @param realm mock realm, should be mocked by {@link PowerMockito#mock(Class)}32     * @param tClass class of realm model33     * @param <T>34     * @return mocked realm query, see {@link #mockRealmQuery()}35     */36    public static <T extends RealmObject> RealmQuery<T> initRealmQuery(Realm realm, Class<T> tClass) {37        RealmQuery<T> query = mockRealmQuery();38        when(realm.where(tClass)).thenReturn(query);39        when(query.equalTo(anyString(), anyLong())).thenReturn(query);40        return query;41    }42    /**43     * see {@link #initFindAllSorted(RealmQuery, List)}44     */45    public static <T extends RealmObject> RealmResults<T> initFindAllSorted(RealmQuery<T> query) throws Exception {46        return initFindAllSorted(query, null);47    }48    /**49     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}50     * Test classes should be annotated {@link org.powermock.core.classloader.annotations.PrepareForTest}51     * : RealmResults.class52     *53     * Initialize findAll and findAllSorted for given {@link RealmQuery}54     *55     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}56     * Test classes should be annotate {@link org.powermock.core.classloader.annotations.PrepareForTest}57     * RealmResults.class, RealmQuery.class58     *59     * @param query mocked query, should be mocked by {@link PowerMockito#mock}, see {@link #mockRealmQuery()}60     * @param returnValue This value will be returned when the query 's RealmResults call {@link RealmResults#iterator()}61     * @param <T> type of object62     * @return mocked {@link RealmResults}63     * @throws Exception64     */65    public static <T extends RealmObject> RealmResults<T> initFindAllSorted(RealmQuery<T> query, @Nullable List<T> returnValue) throws Exception {66        RealmResults<T> realmResults = mockRealmResults();67        initLiveRealmResults(realmResults);68        when(query.findAll()).thenReturn(realmResults);69        when(query.findAllSorted(anyString(), any())).thenReturn(realmResults);70        if (returnValue != null) {71            // The for(...) loop in Java needs an iterator, so we're giving it one that has items,72            // since the mock RealmResults does not provide an implementation. Therefore, anytime73            // anyone asks for the RealmResults Iterator, give them a functioning iterator from the74            // ArrayList of Persons we created above. This will allow the loop to execute.75            when(realmResults.size()).thenReturn(returnValue.size());76            when(realmResults.iterator()).thenReturn(returnValue.iterator());77        }78        return realmResults;79    }80    /**81     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}82     * Test classes should be annotated {@link org.powermock.core.classloader.annotations.PrepareForTest}83     * : RealmResults.class84     *85     * Initialize data for a mock {@link LiveRealmResults} by given RealmResults. This mock liveRealmResults will return given86     * results when perform {@link LiveRealmResults#getData()}87     *88     *89     * @param results mock realm result, should be mocked by {@link PowerMockito#mock}, see {@link #mockRealmResults()}90     * @param <T> type of realm object91     * @return mocked {@link LiveRealmResults}92     * @throws Exception93     */94    public static <T extends RealmObject> LiveRealmResults<T> initLiveRealmResults(RealmResults<T> results) throws Exception {95        // noinspection unchecked96        LiveRealmResultPair<T> pair = mock(LiveRealmResultPair.class);97        PowerMockito.whenNew(LiveRealmResultPair.class).withAnyArguments().thenReturn(pair);98        when(pair.getData()).thenReturn(results);99        return LiveRealmResults.asLiveData(results);100    }101    /**102     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}103     *104     * Initialize data for a mock {@link LiveRealmObject} by given object105     *106     * @param object the object which will be returned when call {@link LiveRealmObject#getData()}107     * @param <T>108     * @return mocked {@link LiveRealmObject}109     * @throws Exception110     */111    public static <T extends RealmObject>LiveRealmObject<T> initLiveRealmObject(T object) throws Exception {112        // noinspection unchecked113        LiveRealmObject<T> liveRealmObject = mock(LiveRealmObject.class);114        when(liveRealmObject.getData()).thenReturn(object);115        return liveRealmObject;116    }117    /**118     *119     * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}120     * Test classes should be annotated {@link org.powermock.core.classloader.annotations.PrepareForTest}121     * : RealmQuery.class122     *123     * @param <T>124     * @return mocked {@link RealmQuery}125     */126    @SuppressWarnings("unchecked")127    public  static <T extends RealmObject> RealmQuery<T> mockRealmQuery() {128        return mock(RealmQuery.class);129    }130    /**131     * * Must be run with {@link org.powermock.modules.junit4.PowerMockRunner} or {@link org.robolectric.RobolectricTestRunner}132     * Test classes should be annotated {@link org.powermock.core.classloader.annotations.PrepareForTest}133     * : RealmResults.class134     *135     * @param <T>136     * @return mocked {@link RealmResults}137     */138    @SuppressWarnings("unchecked")139    public static <T extends RealmObject> RealmResults<T> mockRealmResults() {140        return mock(RealmResults.class);141    }142}...

Source:DemoApplicationTests.java

1package com.huanghe.springcloud.service;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.core.classloader.annotations.PowerMockIgnore;5import org.powermock.modules.junit4.PowerMockRunner;6import org.powermock.modules.junit4.PowerMockRunnerDelegate;7import org.springframework.beans.factory.annotation.Autowired;8import org.springframework.beans.factory.annotation.Value;9import org.springframework.boot.test.context.SpringBootTest;10import org.springframework.test.context.ContextConfiguration;11import org.springframework.test.context.junit4.SpringRunner;12import com.huanghe.springcloud.service.service.TestService;13@SpringBootTest(classes = TestApplication.class)14@RunWith(PowerMockRunner.class)15@PowerMockRunnerDelegate(SpringRunner.class)16@PowerMockIgnore({17        "javax.management.*", "javax.net.ssl.*", "javax.crypto.*", "javax.xml.*", "org.xml.*", "org.w3c.dom.*",18        "org.apache.*"19})20@ContextConfiguration(classes = PropertySourceConfig.class)21public class DemoApplicationTests {22    @Autowired23    TestService testService;24    @Value("${my}")25    private String port;26    @Test27    public void testDemo() {28        System.out.println("application port is " + port);29    }...

Source:PowerMockRunnerTest.java

...4import org.junit.Test;5import org.junit.runner.notification.RunNotifier;6import org.powermock.api.mockito.PowerMockito;7import org.powermock.core.classloader.annotations.PrepareForTest;8import org.powermock.modules.junit4.PowerMockRunner;910import com.github.docteurdux.test.AbstractTest;1112public class PowerMockRunnerTest extends AbstractTest {1314	@PrepareForTest(value = M.class)15	public static class T {16		@Test17		public void test() {18			M m = PowerMockito.mock(M.class);19		}20	}2122	public static class M {2324	}2526	@Before27	public void before() {28		requireSources("powermock-module-junit4-1.6.4", PowerMockRunner.class);29	}3031	@Test32	public void test() throws Exception {33		PowerMockRunner runner = new PowerMockRunner(T.class);34		runner.run(new RunNotifier());35	}3637}
...

PowerMockRunner

Using AI Code Generation

1@RunWith(PowerMockRunner.class)2@PrepareForTest({4.class})3public class 4 {4    public static void main(String[] args) {5        PowerMockito.mockStatic(4.class);6        when(4.method()).thenReturn(1);7        System.out.println(4.method());8    }9    private static int method() {10        return 0;11    }12}

PowerMockRunner

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.powermock.api.mockito.PowerMockito;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.modules.junit4.PowerMockRunner;6import static org.junit.Assert.assertEquals;7import static org.powermock.api.mockito.PowerMockito.whenNew;8@RunWith(PowerMockRunner.class)9@PrepareForTest(Demo.class)10public class DemoTest {11	public void testPrivateMethod() throws Exception {12		String expected = "Hello World";13		Demo mock = PowerMockito.mock(Demo.class);14		whenNew(Demo.class).withNoArguments().thenReturn(mock);15		when(mock.sayHello()).thenReturn(expected);16		Demo demo = new Demo();17		String actual = demo.sayHello();18		assertEquals(expected, actual);19	}20}21import org.junit.Test;22import org.junit.runner.RunWith;23import org.powermock.api.mockito.PowerMockito;24import org.powermock.core.classloader.annotations.PrepareForTest;25import org.powermock.modules.junit4.PowerMockRunner;26import static org.junit.Assert.assertEquals;27import static org.powermock.api.mockito.PowerMockito.whenNew;28@RunWith(PowerMockRunner.class)29@PrepareForTest(Demo.class)30public class DemoTest {31	public void testPrivateMethod() throws Exception {32		String expected = "Hello World";33		Demo mock = PowerMockito.mock(Demo.class);34		whenNew(Demo.class).withNoArguments().thenReturn(mock);35		when(mock.sayHello()).thenReturn(expected);36		Demo demo = new Demo();37		String actual = demo.sayHello();38		assertEquals(expected, actual);39	}40}41import org.junit.Test;42import org.junit.runner.RunWith;43import org.powermock.api.mockito.PowerMockito;44import org.powermock.core.classloader.annotations.PrepareForTest;45import org.powermock.modules.junit4.PowerMockRunner;46import static org.junit.Assert.assertEquals;47import static org.powermock.api.mockito.PowerMockito.whenNew;48@RunWith(PowerMockRunner.class)49@PrepareForTest(Demo.class)50public class DemoTest {

PowerMockRunner

Using AI Code Generation

1@RunWith(PowerMockRunner.class)2@PrepareForTest({Student.class})3public class StudentTest {4    public void testStudent() {5        PowerMockito.mockStatic(Student.class);6        PowerMockito.when(Student.getStudentName(1)).thenReturn("John");7        PowerMockito.verifyStatic();8        Student.getStudentName(1);9        PowerMockito.verifyStatic();10        Student.getStudentName(2);11    }12}13Student.getStudentName(2);14-> at xyz.StudentTest.testStudent(StudentTest.java:22)15at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:308)16at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:296)17at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:292)18at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:287)19at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:283)20at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:279)21at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:275)22at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:271)23at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:267)24at org.powermock.api.mockito.internal.expectation.PowerMockitoStubberImpl.verify(PowerMockitoStubberImpl.java:263)

PowerMockRunner

Using AI Code Generation

1@RunWith(PowerMockRunner.class)2@PrepareForTest({4.class})3public class 4 {4    public static void main(String[] args) {5        Integer i = 10;6        System.out.println(i);7    }8}9@RunWith(PowerMockRunner.class)10@PrepareForTest({5.class})11public class 5 {12    public static void main(String[] args) {13        Integer i = 10;14        System.out.println(i);15    }16}17@RunWith(PowerMockRunner.class)18@PrepareForTest({6.class})19public class 6 {20    public static void main(String[] args) {21        Integer i = 10;22        System.out.println(i);23    }24}25@RunWith(PowerMockRunner.class)26@PrepareForTest({7.class})27public class 7 {28    public static void main(String[] args) {29        Integer i = 10;30        System.out.println(i);31    }32}33@RunWith(PowerMockRunner.class)34@PrepareForTest({8.class})35public class 8 {36    public static void main(String[] args) {37        Integer i = 10;38        System.out.println(i);39    }40}41@RunWith(PowerMockRunner.class)42@PrepareForTest({9.class})43public class 9 {44    public static void main(String[] args) {45        Integer i = 10;46        System.out.println(i);47    }48}49@RunWith(PowerMockRunner.class)50@PrepareForTest({10.class})51public class 10 {52    public static void main(String[] args) {53        Integer i = 10;54        System.out.println(i);55    }56}57@RunWith(PowerMockRunner.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.