How to use SystemClassUser class of samples.system package

Best Powermock code snippet using samples.system.SystemClassUser

Source:SystemClassUserTest.java

...16package samples.testng;1718import org.powermock.core.classloader.annotations.PrepareForTest;19import org.testng.annotations.Test;20import samples.system.SystemClassUser;2122import java.net.InetAddress;23import java.net.URL;24import java.net.URLConnection;25import java.net.URLEncoder;26import java.util.Collections;27import java.util.LinkedList;28import java.util.List;2930import static org.easymock.EasyMock.anyLong;31import static org.easymock.EasyMock.expect;32import static org.powermock.api.easymock.PowerMock.*;33import static org.testng.Assert.assertSame;34import static org.testng.Assert.assertTrue;35import static org.testng.AssertJUnit.assertEquals;3637/**38 * Demonstrates PowerMock's ability to mock non-final and final system classes.39 * To mock a system class you need to prepare the calling class for testing.40 * I.e. let's say you're testing class A which interacts with URLEncoder then41 * you would do:42 *43 * <pre>44 *45 * &#064;PrepareForTest({A.class})46 *47 * </pre>48 */49@PrepareForTest( { SystemClassUser.class })50public class SystemClassUserTest {5152    @Test53    public void assertThatMockingOfNonFinalSystemClassesWorks() throws Exception {54        mockStatic(URLEncoder.class);5556        expect(URLEncoder.encode("string", "enc")).andReturn("something");57        replayAll();5859        assertEquals("something", new SystemClassUser().performEncode());6061        verifyAll();62    }6364    @Test65    public void assertThatMockingOfTheRuntimeSystemClassWorks() throws Exception {66        mockStatic(Runtime.class);6768        Runtime runtimeMock = createMock(Runtime.class);69        Process processMock = createMock(Process.class);7071        expect(Runtime.getRuntime()).andReturn(runtimeMock);72        expect(runtimeMock.exec("command")).andReturn(processMock);7374        replayAll();7576        assertSame(processMock, new SystemClassUser().executeCommand());7778        verifyAll();79    }8081    @Test82    public void assertThatMockingOfFinalSystemClassesWorks() throws Exception {83        mockStatic(System.class);8485        expect(System.getProperty("property")).andReturn("my property");8687        replayAll();8889        assertEquals("my property", new SystemClassUser().getSystemProperty());9091        verifyAll();92    }9394    @Test95    public void assertThatPartialMockingOfFinalSystemClassesWorks() throws Exception {96        mockStaticPartial(System.class, "nanoTime");9798        expect(System.nanoTime()).andReturn(2L);99100        replayAll();101102        new SystemClassUser().doMoreComplicatedStuff();103104        assertEquals("2", System.getProperty("nanoTime"));105106        verifyAll();107    }108109    @Test110    public void assertThatMockingOfCollectionsWork() throws Exception {111        List<?> list = new LinkedList<Object>();112        mockStatic(Collections.class);113114        Collections.shuffle(list);115        expectLastCall().once();116117        replayAll();118119        new SystemClassUser().shuffleCollection(list);120121        verifyAll();122    }123124    @Test125    public void assertThatPartialMockingOfFinalSystemClassesWorksForNonVoidMethods() throws Exception {126        mockStaticPartial(System.class, "getProperty");127128        expect(System.getProperty("property")).andReturn("my property");129130        replayAll();131132        final SystemClassUser systemClassUser = new SystemClassUser();133        systemClassUser.copyProperty("to", "property");134135        verifyAll();136    }137138    @Test139    public void assertThatMockingStringWorks() throws Exception {140        mockStatic(String.class);141        final String string = "string";142        final String args = "args";143        final String returnValue = "returnValue";144145        expect(String.format(string, args)).andReturn(returnValue);146147        replayAll();148149        final SystemClassUser systemClassUser = new SystemClassUser();150        assertEquals(systemClassUser.format(string, args), returnValue);151152        verifyAll();153    }154155    @Test156    public void mockingStaticVoidMethodWorks() throws Exception {157        mockStatic(Thread.class);158159        Thread.sleep(anyLong());160        expectLastCall().once();161162        replayAll();163164        long startTime = System.currentTimeMillis();165        final SystemClassUser systemClassUser = new SystemClassUser();166        systemClassUser.threadSleep();167        long endTime = System.currentTimeMillis();168        assertTrue(endTime - startTime < 5000);169170        verifyAll();171    }172173    @Test174    public void mockingInstanceMethodOfFinalSystemClassWorks() throws Exception {175        URL url = createMock(URL.class);176        URLConnection urlConnection = createMock(URLConnection.class);177178        expect(url.openConnection()).andStubReturn(urlConnection);179180        replayAll();181        final SystemClassUser systemClassUser = new SystemClassUser();182        assertSame(urlConnection, systemClassUser.useURL(url));183        verifyAll();184    }185186    @Test187    public void mockingURLWorks() throws Exception {188        URL url = createMock(URL.class);189        URLConnection urlConnectionMock = createMock(URLConnection.class);190191        expect(url.openConnection()).andReturn(urlConnectionMock);192193        replayAll();194195        assertSame(url.openConnection(), urlConnectionMock);196197        verifyAll();198    }199200    @Test201    public void mockingInetAddressWorks() throws Exception {202        final InetAddress mock = createMock(InetAddress.class);203        mockStatic(InetAddress.class);204205        expect(InetAddress.getLocalHost()).andReturn(mock);206207        replayAll();208209        final SystemClassUser systemClassUser = new SystemClassUser();210        assertSame(mock, systemClassUser.getLocalHost());211212        verifyAll();213    }
...

SystemClassUser

Using AI Code Generation

1import samples.system.SystemClassUser;2public class SystemClassUserTest {3    public static void main(String[] args) {4        SystemClassUser user = new SystemClassUser();5        user.run();6    }7}8import samples.system.SystemClassUser;9public class SystemClassUserTest {10    public static void main(String[] args) {11        SystemClassUser user = new SystemClassUser();12        user.run();13    }14}15import samples.system.SystemClassUser;16public class SystemClassUserTest {17    public static void main(String[] args) {18        SystemClassUser user = new SystemClassUser();19        user.run();20    }21}22import samples.system.SystemClassUser;23public class SystemClassUserTest {24    public static void main(String[] args) {25        SystemClassUser user = new SystemClassUser();26        user.run();27    }28}29import samples.system.SystemClassUser;30public class SystemClassUserTest {31    public static void main(String[] args) {32        SystemClassUser user = new SystemClassUser();33        user.run();34    }35}36import samples.system.SystemClassUser;37public class SystemClassUserTest {38    public static void main(String[] args) {39        SystemClassUser user = new SystemClassUser();40        user.run();41    }42}43import samples.system.SystemClassUser;44public class SystemClassUserTest {45    public static void main(String[] args) {46        SystemClassUser user = new SystemClassUser();47        user.run();48    }49}50import samples.system.SystemClassUser;51public class SystemClassUserTest {52    public static void main(String[] args) {53        SystemClassUser user = new SystemClassUser();54        user.run();55    }56}57import samples.system.SystemClassUser;58public class SystemClassUserTest {59    public static void main(String[] args) {60        SystemClassUser user = new SystemClassUser();61        user.run();62    }63}64import samples.system

SystemClassUser

Using AI Code Generation

1import samples.system.SystemClassUser;2import samples.system.SystemClassUser;3SystemClassUser user = new SystemClassUser();4SystemClassUser user = new SystemClassUser();5user.setName("John");6user.setName("John");7user.setAge(25);8user.setAge(25);9user.setSalary(1000.00);10user.setSalary(1000.00);11System.out.println(user);12System.out.println(user);13SystemClassUser user = new SystemClassUser();14user.setName("John");15user.setAge(25);16user.setSalary(1000.00);17System.out.println(user);18SystemClassUser user = new SystemClassUser();19user.setName("John");20user.setAge(25);21user.setSalary(1000.00);22System.out.println(user);23SystemClassUser user = new SystemClassUser();24user.setName("John");25user.setAge(25);26user.setSalary(1000.00);27System.out.println(user);28SystemClassUser user = new SystemClassUser();29user.setName("John");30user.setAge(25);31user.setSalary(1000.00);32System.out.println(user);33SystemClassUser user = new SystemClassUser();34user.setName("John");35user.setAge(25);36user.setSalary(1000.00);37System.out.println(user);38SystemClassUser user = new SystemClassUser();39user.setName("John");40user.setAge(25);41user.setSalary(1000.00);42System.out.println(user);43SystemClassUser user = new SystemClassUser();44user.setName("John");45user.setAge(25);46user.setSalary(1000.00);47System.out.println(user);48SystemClassUser user = new SystemClassUser();49user.setName("John");50user.setAge(25);51user.setSalary(1000.00);52System.out.println(user);

SystemClassUser

Using AI Code Generation

1import samples.system.SystemClassUser;2public class SystemClassUserSample {3    public static void main(String[] args) {4        SystemClassUser user = new SystemClassUser();5        user.printSystemProperties();6    }7}

SystemClassUser

Using AI Code Generation

1import samples.system.SystemClassUser;2SystemClassUser.main(null);3import samples.system.SystemClassUser;4SystemClassUser.main(null);5import samples.system.SystemClassUser;6SystemClassUser.main(null);7import samples.system.SystemClassUser;8SystemClassUser.main(null);9import samples.system.SystemClassUser;10SystemClassUser.main(null);11import samples.system.SystemClassUser;

SystemClassUser

Using AI Code Generation

1import samples.system.SystemClassUser;2SystemClassUser classUser = new SystemClassUser();3classUser.printSystemProperties();4classUser.printSystemEnvironmentVariables();5import samples.system.SystemClassUser;6SystemClassUser classUser = new SystemClassUser();7classUser.printSystemProperties();8classUser.printSystemEnvironmentVariables();9import samples.system.SystemClassUser;10SystemClassUser classUser = new SystemClassUser();11classUser.printSystemProperties();12classUser.printSystemEnvironmentVariables();13import samples.system.SystemClassUser;14SystemClassUser classUser = new SystemClassUser();15classUser.printSystemProperties();16classUser.printSystemEnvironmentVariables();17import samples.system.SystemClassUser;18SystemClassUser classUser = new SystemClassUser();19classUser.printSystemProperties();20classUser.printSystemEnvironmentVariables();21import samples.system.SystemClassUser;22SystemClassUser classUser = new SystemClassUser();23classUser.printSystemProperties();24classUser.printSystemEnvironmentVariables();25import samples.system.SystemClassUser;26SystemClassUser classUser = new SystemClassUser();27classUser.printSystemProperties();28classUser.printSystemEnvironmentVariables();29import samples.system.SystemClassUser;30SystemClassUser classUser = new SystemClassUser();31classUser.printSystemProperties();32classUser.printSystemEnvironmentVariables();33import samples.system.SystemClassUser;34SystemClassUser classUser = new SystemClassUser();35classUser.printSystemProperties();36classUser.printSystemEnvironmentVariables();37import samples.system.SystemClassUser;38SystemClassUser classUser = new SystemClassUser();39classUser.printSystemProperties();40classUser.printSystemEnvironmentVariables();41import samples.system.SystemClassUser;42SystemClassUser classUser = new SystemClassUser();43classUser.printSystemProperties();44classUser.printSystemEnvironmentVariables();45import samples.system.SystemClassUser;

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