KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use should_detect_when_null_assigned_to_boolean method of org.mockitousage.stubbing.StubbingWithThrowablesTest class

Best Mockito code snippet using org.mockitousage.stubbing.StubbingWithThrowablesTest.should_detect_when_null_assigned_to_boolean

should_detect_when_null_assigned_to_boolean

Using AI Code Generation

1package org.mockitousage.stubbing;2import org.junit.Test;3import org.mockito.Mockito;4import org.mockitousage.IMethods;5import org.mockitoutil.TestBase;6import static org.mockito.Mockito.*;7import static org.junit.Assert.*;8public class StubbingWithThrowablesTest extends TestBase {9    public void should_detect_when_null_assigned_to_boolean() {10        IMethods mock = mock(IMethods.class);11        try {12            when(mock.oneArg(true)).thenReturn(null);13            fail();14        } catch (Exception e) {15            assertContains("Null cannot be returned by a boolean method", e.getMessage());16        }17    }18    public void should_detect_when_null_assigned_to_void() {19        IMethods mock = mock(IMethods.class);20        try {21            doReturn(null).when(mock).voidMethod();22            fail();23        } catch (Exception e) {24            assertContains("Null cannot be returned by a void method", e.getMessage());25        }26    }27    public void should_detect_when_null_assigned_to_primitive() {28        IMethods mock = mock(IMethods.class);29        try {30            when(mock.intReturningMethod()).thenReturn(null);31            fail();32        } catch (Exception e) {33            assertContains("Null cannot be returned by a primitive method", e.getMessage());34        }35    }36    public void should_detect_when_null_assigned_to_primitive_wrapper() {37        IMethods mock = mock(IMethods.class);38        try {39            when(mock.objectReturningMethodNoArgs()).thenReturn(null);40            fail();41        } catch (Exception e) {42            assertContains("Null cannot be returned by a primitive wrapper method", e.getMessage());43        }44    }

should_detect_when_null_assigned_to_boolean

Using AI Code Generation

1package org.mockitousage.stubbing;2import org.junit.Test;3import org.mockito.Mockito;4import java.io.IOException;5import static org.junit.Assert.assertEquals;6import static org.junit.Assert.assertNull;7import static org.mockito.Mockito.*;8public class StubbingWithThrowablesTest {9    public void should_detect_when_null_assigned_to_boolean() {10        Foo foo = mock(Foo.class);11        when(foo.foo()).thenReturn(true);12        boolean result = foo.foo();13        assertEquals(true, result);14    }15    private static class Foo {16        public boolean foo() {17            return true;18        }19    }20}21package org.mockitousage.stubbing;22import org.junit.Test;23import static org.junit.Assert.assertEquals;24import static org.junit.Assert.assertNull;25import static org.mockito.Mockito.*;26public class StubbingWithThrowablesTest {27    public void should_detect_when_null_assigned_to_boolean() {28        Foo foo = mock(Foo.class);29        when(foo.foo()).thenReturn(true);30        boolean result = foo.foo();31        assertEquals(true, result);32    }33    private static class Foo {34        public boolean foo() {35            return true;36        }37    }38}39package org.mockitousage.stubbing;40import org.junit.Test;41import static org.junit.Assert.assertEquals;42import static org.junit.Assert.assertNull;43import static org.mockito.Mockito.*;44public class StubbingWithThrowablesTest {45    public void should_detect_when_null_assigned_to_boolean() {46        Foo foo = mock(Foo.class);47        when(foo.foo()).thenReturn(true);48        boolean result = foo.foo();49        assertEquals(true, result);50    }51    private static class Foo {52        public boolean foo() {53            return true;54        }55    }56}57package org.mockitousage.stubbing;58import org.junit.Test;59import static org.junit.Assert.assertEquals;60import static org.junit.Assert.assertNull;61import static org.mockito.Mockito.*;

should_detect_when_null_assigned_to_boolean

Using AI Code Generation

1public class StubbingWithThrowablesTest {2    private static final String THROWABLE_MESSAGE = "throwable message";3    private static final String THROWABLE_MESSAGE_2 = "throwable message 2";4    private final Foo mock = mock(Foo.class);5    private final RuntimeException throwable = new RuntimeException(THROWABLE_MESSAGE);6    private final RuntimeException throwable2 = new RuntimeException(THROWABLE_MESSAGE_2);7    public void should_stub_void_method_to_throw_exception() {8        doThrow(throwable).when(mock).simpleMethod();9        try {10            mock.simpleMethod();11            fail();12        } catch (RuntimeException e) {13            assertSame(throwable, e);14        }15    }16    public void should_stub_void_method_to_throw_exception_from_another_mock() {17        doThrow(throwable).when(mock).simpleMethod();18        try {19            mock.simpleMethod();20            fail();21        } catch (RuntimeException e) {22            assertSame(throwable, e);23        }24    }25    public void should_stub_void_method_to_throw_exception_from_another_mock_using_lambdas() {26        doThrow(() -> throwable).when(mock).simpleMethod();27        try {28            mock.simpleMethod();29            fail();30        } catch (RuntimeException e) {31            assertSame(throwable, e);32        }33    }34    public void should_stub_void_method_to_throw_exception_from_another_mock_using_lambdas2() {35        doThrow(() -> throwable).when(mock).simpleMethod();36        try {37            mock.simpleMethod();38            fail();39        } catch (RuntimeException e) {40            assertSame(throwable, e);41        }42    }43    public void should_stub_void_method_to_throw_exception_from_another_mock_using_lambdas3() {44        doThrow(() -> throwable).when(mock).simpleMethod();45        try {46            mock.simpleMethod();47            fail();48        } catch (RuntimeException e) {49            assertSame(throwable, e);50        }51    }52    public void should_stub_void_method_to_throw_exception_from_another_mock_using_lambdas4() {53        doThrow(() -> throwable).when(mock).simpleMethod();54        try {55            mock.simpleMethod();56            fail();57        } catch (RuntimeException e) {58            assertSame(throwable, e);59        }60    }

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.