Best Powermock code snippet using samples.powermockito.junit4.whennew.VerifyNewWithoutWhenNewTest
Source: VerifyNewWithoutWhenNewTest.java
...10import static org.junit.Assert.fail;11import static org.powermock.api.mockito.PowerMockito.verifyNew;12@PrepareForTest(ExpectNewDemo.class)13@RunWith(PowerMockRunner.class)14public class VerifyNewWithoutWhenNewTest {15 @Test16 // TODO This should actually work in the future when issue 148 is resolved.17 public void verifyingNewWithoutExpectationWhenNoArgumentsThrowsISE() throws Exception {18 ExpectNewDemo tested = new ExpectNewDemo();19 assertEquals("Hello world", tested.getMessage());20 try {21 verifyNew(MyClass.class).withNoArguments();22 fail("IllegalStateException expected");23 } catch (IllegalStateException e) {24 assertEquals("No instantiation of class samples.newmocking.MyClass was recorded "25 + "during the test. Note that only expected object creations "26 + "(e.g. those using whenNew(..)) can be verified.", e.getMessage());27 }28 }...
VerifyNewWithoutWhenNewTest
Using AI Code Generation
1package samples.powermockito.junit4.whennew;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.reflect.Whitebox;7import java.lang.reflect.Constructor;8import static org.junit.Assert.assertEquals;9import static org.powermock.api.mockito.PowerMockito.*;10@RunWith(PowerMockRunner.class)11@PrepareForTest(VerifyNewWithoutWhenNewTest.class)12public class VerifyNewWithoutWhenNewTest {13 public void verifyNewWithoutWhenNew() throws Exception {14 VerifyNewWithoutWhenNewTest mock = mock(VerifyNewWithoutWhenNewTest.class);15 whenNew(VerifyNewWithoutWhenNewTest.class).withNoArguments().thenReturn(mock);16 .getDeclaredConstructor();17 constructor.setAccessible(true);18 VerifyNewWithoutWhenNewTest test = constructor.newInstance();19 verifyNew(VerifyNewWithoutWhenNewTest.class).withNoArguments();20 assertEquals(mock, test);21 }22}23package samples.powermockito.junit4.whennew;24import org.junit.Test;25import org.junit.runner.RunWith;26import org.powermock.core.classloader.annotations.PrepareForTest;27import org.powermock.modules.junit4.PowerMockRunner;28import org.powermock.reflect.Whitebox;29import java.lang.reflect.Constructor;30import static org.junit.Assert.assertEquals;31import static org.powermock.api.mockito.PowerMockito.*;32@RunWith(PowerMockRunner.class)33@PrepareForTest(VerifyNewWithoutWhenNewTest.class)34public class VerifyNewWithoutWhenNewTest {35 public void verifyNewWithoutWhenNew() throws Exception {36 VerifyNewWithoutWhenNewTest mock = mock(VerifyNewWithoutWhenNewTest.class);37 whenNew(VerifyNewWithoutWhenNewTest.class).withNoArguments().thenReturn
VerifyNewWithoutWhenNewTest
Using AI Code Generation
1@PowerMockIgnore("javax.management.*")2@RunWith(PowerMockRunner.class)3@PrepareForTest(VerifyNewWithoutWhenNewTest.class)4public class VerifyNewWithoutWhenNewTest {5 public void testVerifyNew() throws Exception {6 PowerMockito.verifyNew(VerifyNewWithoutWhenNewTest.class);7 }8}9The cause is that PowerMockito.verifyNew() requires the class to be prepared for testing. This can be done by adding @PrepareForTest annotation to the test class as shown below:10@PowerMockIgnore("javax.management.*")11@RunWith(PowerMockRunner.class)12@PrepareForTest(VerifyNewWithoutWhenNewTest.class)13public class VerifyNewWithoutWhenNewTest {14 public void testVerifyNew() throws Exception {15 PowerMockito.verifyNew(VerifyNewWithoutWhenNewTest.class);16 }17}18@PowerMockIgnore("javax.management.*")19@RunWith(PowerMockRunner.class)20@PrepareForTest(VerifyNewWithoutWhenNewTest.class)21public class VerifyNewWithoutWhenNewTest {22 public void testVerifyNew() throws Exception {23 PowerMockito.verifyNew(VerifyNewWithoutWhenNewTest.class);24 }25}26@PowerMockIgnore("javax.management.*")27@RunWith(PowerMockRunner.class)28@PrepareForTest(VerifyNewWithoutWhenNewTest.class)29public class VerifyNewWithoutWhenNewTest {30 public void testVerifyNew() throws Exception {31 PowerMockito.verifyNew(VerifyNewWithoutWhenNewTest.class);32 }33}
VerifyNewWithoutWhenNewTest
Using AI Code Generation
1import static org.junit.Assert.*;2import static org.powermock.api.mockito.PowerMockito.*;3import java.io.IOException;4import java.io.InputStream;5import java.io.OutputStream;6import org.junit.Test;7import org.junit.runner.RunWith;8import org.powermock.core.classloader.annotations.PrepareForTest;9import org.powermock.modules.junit4.PowerMockRunner;10import samples.powermockito.junit4.whennew.VerifyNewWithoutWhenNewTest;11@RunWith(PowerMockRunner.class)12@PrepareForTest(VerifyNewWithoutWhenNewTest.class)13public class VerifyNewWithoutWhenNewTest {14 public void testVerifyNewWithoutWhenNew() throws Exception {15 VerifyNewWithoutWhenNewTest tested = new VerifyNewWithoutWhenNewTest();16 tested.verifyNewWithoutWhenNew();17 }18 public void verifyNewWithoutWhenNew() throws Exception {19 InputStream mockInputStream = mock(InputStream.class);20 OutputStream mockOutputStream = mock(OutputStream.class);21 when(mockInputStream.read()).thenReturn(1, 2, 3, -1);22 VerifyNewWithoutWhenNewTest tested = new VerifyNewWithoutWhenNewTest();23 tested.copy(mockInputStream, mockOutputStream);24 verifyNew(InputStream.class).withNoArguments();25 verifyNew(OutputStream.class).withArguments(System.out);26 }27 public void copy(InputStream input, OutputStream output) throws IOException {28 int data = input.read();29 while (data != -1) {30 output.write(data);31 data = input.read();32 }33 input.close();34 output.close();35 }36}37package samples.powermockito.junit4.whennew;38import java.io.IOException;39import java.io.InputStream;40import java.io.OutputStream;41public class VerifyNewWithoutWhenNewTest {42 public void copy(InputStream input, OutputStream output) throws IOException {43 int data = input.read();44 while (data != -1) {45 output.write(data);46 data = input.read();47 }48 input.close();49 output.close();50 }51}
VerifyNewWithoutWhenNewTest
Using AI Code Generation
1import org.junit.Test;2import org.junit.runner.RunWith;3import org.powermock.core.classloader.annotations.PrepareForTest;4import org.powermock.modules.junit4.PowerMockRunner;5import org.powermock.reflect.Whitebox;6import static org.junit.Assert.assertEquals;7import static org.powermock.api.mockito.PowerMockito.verifyNew;8@RunWith(PowerMockRunner.class)9@PrepareForTest(VerifyNewWithoutWhenNewTest.class)10public class VerifyNewWithoutWhenNewTest {11 public void testVerifyNewWithoutWhenNew() throws Exception {12 new VerifyNewWithoutWhenNewTest();13 verifyNew(VerifyNewWithoutWhenNewTest.class).withNoArguments();14 }15 public void testVerifyNewWithArgumentsWithoutWhenNew() throws Exception {16 new VerifyNewWithoutWhenNewTest("test");17 verifyNew(VerifyNewWithoutWhenNewTest.class).withArguments("test");18 }19 public void testVerifyNewWithArgumentsAndReturnTypeWithoutWhenNew() throws Exception {20 new VerifyNewWithoutWhenNewTest("test");21 verifyNew(VerifyNewWithoutWhenNewTest.class).withArguments("test").andReturn("test");22 assertEquals("test", Whitebox.invokeMethod(new VerifyNewWithoutWhenNewTest(), "test"));23 }24}25import org.junit.Test;26import org.junit.runner.RunWith;27import org.powermock.core.classloader.annotations.PrepareForTest;28import org.powermock.modules.junit4.PowerMockRunner;29import org.powermock.reflect.Whitebox;30import static org.junit.Assert.assertEquals;31import static org.powermock.api.mockito.PowerMockito.whenNew;32import static org.powermock.api.mockito.PowerMockito.verifyNew;33@RunWith(PowerMockRunner.class)34@PrepareForTest(VerifyNewWithWhenNewTest.class)35public class VerifyNewWithWhenNewTest {36 public void testVerifyNewWithWhenNew() throws Exception {37 whenNew(VerifyNewWithWhenNewTest.class).withNoArguments().thenReturn(new VerifyNewWithWhenNewTest());
Check out the latest blogs from LambdaTest on this topic:
In my last blog, I investigated both the stateless and the stateful class of model-based testing. Both have some advantages and disadvantages. You can use them for different types of systems, depending on whether a stateful solution is required or a stateless one is enough. However, a better solution is to use an aggregate technique that is appropriate for each system. Currently, the only aggregate solution is action-state testing, introduced in the book Paradigm Shift in Software Testing. This method is implemented in Harmony.
As part of one of my consulting efforts, I worked with a mid-sized company that was looking to move toward a more agile manner of developing software. As with any shift in work style, there is some bewilderment and, for some, considerable anxiety. People are being challenged to leave their comfort zones and embrace a continuously changing, dynamic working environment. And, dare I say it, testing may be the most ‘disturbed’ of the software roles in agile development.
Unit testing is typically software testing within the developer domain. As the QA role expands in DevOps, QAOps, DesignOps, or within an Agile team, QA testers often find themselves creating unit tests. QA testers may create unit tests within the code using a specified unit testing tool, or independently using a variety of methods.
The QA testing career includes following an often long, winding road filled with fun, chaos, challenges, and complexity. Financially, the spectrum is broad and influenced by location, company type, company size, and the QA tester’s experience level. QA testing is a profitable, enjoyable, and thriving career choice.
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!