How to use assertThrowable method of org.mockitoutil.SafeJUnitRule class

Best Mockito code snippet using org.mockitoutil.SafeJUnitRule.assertThrowable

Source:SafeJUnitRule.java

...47     */48    public void expectFailure(final Class<? extends Throwable> expected, final String expectedMessage) {49        this.expectFailure(new FailureAssert() {50            public void doAssert(Throwable t) {51                assertThrowable(t, expected).hasMessage(expectedMessage);52            }53        });54    }55    /**56     * Expects that _after_ the test, the rule will fire specific exception with specific exception message57     */58    public void expectFailure(final Class<? extends Throwable> expected) {59        this.expectFailure(new FailureAssert() {60            public void doAssert(Throwable t) {61                assertThrowable(t, expected);62            }63        });64    }65    private static AbstractThrowableAssert assertThrowable(Throwable throwable, Class<? extends Throwable> expected) {66        return Assertions.assertThat(throwable).isInstanceOf(expected);67    }68    /**69     * Expects that _after_ the test, the rule will fire an exception70     */71    public void expectFailure(FailureAssert failureAssert) {72        this.failureAssert = failureAssert;73    }74    /**75     * Expects that _after_ the test, given assert will run76     */77    public void expectSuccess(Runnable successAssert) {78        this.successAssert = successAssert;79    }...

assertThrowable

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.TestRule;4import org.mockito.exceptions.base.MockitoAssertionError;5import org.mockitoutil.SafeJUnitRule;6public class SafeJUnitRuleTest {7    public TestRule safeJUnit = new SafeJUnitRule();8    public void shouldFailTest() {9        assertThrowable(() -> {10            throw new RuntimeException();11        });12    }13    public void shouldFailTestWithSpecificException() {14        assertThrowable(RuntimeException.class, () -> {15            throw new RuntimeException();16        });17    }18    public void shouldFailTestWithSpecificExceptionAndExpectedMessage() {19        assertThrowable(RuntimeException.class, "expected message", () -> {20            throw new RuntimeException("expected message");21        });22    }23    public void shouldFailTestWithSpecificExceptionAndExpectedMessageAndCause() {24        assertThrowable(RuntimeException.class, "expected message", new IllegalStateException(), () -> {25            throw new RuntimeException("expected message", new IllegalStateException());26        });27    }28    public void shouldFailTestWithSpecificExceptionAndExpectedCause() {29        assertThrowable(RuntimeException.class, new IllegalStateException(), () -> {30            throw new RuntimeException(new IllegalStateException());31        });32    }33    public void shouldFailTestWithSpecificExceptionAndExpectedCauseAndMessage() {34        assertThrowable(RuntimeException.class, new IllegalStateException(), "expected message", () -> {35            throw new RuntimeException(new IllegalStateException(), "expected message");36        });37    }38    public void shouldFailTestWithSpecificExceptionAndExpectedMessageAndCauseWithSpecificMessage() {39        assertThrowable(RuntimeException.class, "expected message", new IllegalStateException("expected cause message"), () -> {40            throw new RuntimeException("expected message", new IllegalStateException("expected cause message"));41        });42    }43    public void shouldFailTestWithSpecificExceptionAndExpectedMessageAndCauseWithSpecificMessageAndCause() {44        assertThrowable(RuntimeException.class, "expected message", new IllegalStateException("expected cause message", new IllegalArgumentException()), () -> {45            throw new RuntimeException("expected message", new IllegalStateException("expected cause message", new IllegalArgumentException()));46        });47    }48    public void shouldFailTestWithSpecificExceptionAndExpectedMessageAndCauseWithSpecificCause() {49        assertThrowable(RuntimeException.class, "expected message", new IllegalStateException(new IllegalArgumentException()), () -> {50            throw new RuntimeException("expected message", new IllegalStateException(new IllegalArgumentException()));

assertThrowable

Using AI Code Generation

1package org.mockitoinline;2import org.junit.Rule;3import org.junit.Test;4import org.junit.rules.ExpectedException;5import org.junit.rules.TestRule;6import org.mockitoutil.SafeJUnitRule;7import java.io.IOException;8import static org.junit.Assert.fail;9import static org.mockito.Mockito.*;10public class SafeJUnitRuleTest {11    public TestRule safeJUnit = new SafeJUnitRule();12    public ExpectedException thrown = ExpectedException.none();13    public void should_fail_when_unstubbed_method_is_called() {14        Foo foo = mock(Foo.class);15        assertThrowable(() -> foo.doSomething()).isInstanceOf(NullPointerException.class);16    }17    public void should_fail_when_unstubbed_void_method_is_called() {18        Foo foo = mock(Foo.class);19        assertThrowable(() -> foo.doSomethingVoid()).isInstanceOf(NullPointerException.class);20    }21    public void should_fail_when_unstubbed_void_method_is_called_with_args() {22        Foo foo = mock(Foo.class);23        assertThrowable(() -> foo.doSomethingVoid("arg")).isInstanceOf(NullPointerException.class);24    }25    public void should_fail_when_unstubbed_method_is_called_with_args() {26        Foo foo = mock(Foo.class);27        assertThrowable(() -> foo.doSomething("arg")).isInstanceOf(NullPointerException.class);28    }29    public void should_fail_when_unstubbed_method_is_called_with_args_and_throws_exception() {30        Foo foo = mock(Foo.class);31        doThrow(new IOException()).when(foo).doSomething(anyString());32        assertThrowable(() -> foo.doSomething("arg")).isInstanceOf(IOException.class);33    }34    public void should_fail_when_unstubbed_method_is_called_and_throws_exception() {35        Foo foo = mock(Foo.class);36        doThrow(new IOException()).when(foo).doSomething();37        assertThrowable(() -> foo.doSomething()).isInstanceOf(IOException.class);38    }39    public void should_fail_when_unstubbed_void_method_is_called_and_throws_exception() {40        Foo foo = mock(Foo.class);

assertThrowable

Using AI Code Generation

1    public SafeJUnitRule safeJUnitRule = new SafeJUnitRule();2    public void test() {3        safeJUnitRule.assertThrowable(() -> {4        }, IllegalArgumentException.class);5    }6    public void test() {7        safeJUnitRule.assertThrowable(() -> {8        }, IllegalArgumentException.class, "some message");9    }10}11import org.junit.Rule;12import org.junit.Test;13import org.junit.rules.ExpectedException;14import org.junit.rules.TestRule;15import org.junit.runner.Description;16import org.junit.runners.model.Statement;17public class ExpectedExceptionTest {18    public ExpectedException expectedException = ExpectedException.none();19    public TestRule safeJUnitRule = new TestRule() {20        public Statement apply(Statement base, Description description) {21            return new Statement() {22                public void evaluate() throws Throwable {23                    try {24                        base.evaluate();25                    } catch (Throwable e) {26                        throw e;27                    }28                }29            };30        }31    };32    public void test() {33        expectedException.expect(IllegalArgumentException.class);34    }35    public void test() {36        expectedException.expect(IllegalArgumentException.class);37        expectedException.expectMessage("some message");38    }39}40import junit.framework.TestCase;41public class ExpectedExceptionTest extends TestCase {42    private static final String MESSAGE = "some message";43    public void test() {44        try {45            fail("should have thrown an exception");46        } catch (IllegalArgumentException e) {47            assertEquals(MESSAGE, e.getMessage());48        }49    }50}

assertThrowable

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.TestRule;4import org.mockitoutil.SafeJUnitRule;5public class SafeJUnitRuleTest {6    public TestRule safeJUnitRule = new SafeJUnitRule();7    public void test() {8        assertThrowable(() -> {9            throw new Exception("exception");10        });11    }12}13assertThrows() method14static <T extends Throwable> T assertThrows(Class<T> expectedType, Executable executable)15import static org.junit.jupiter.api.Assertions.assertThrows;16import org.junit.jupiter.api.Test;17public class SafeJUnitRuleTest {18    public void test() {19        assertThrows(Exception.class, () -> {20            throw new Exception("exception");21        });22    }23}24assertThat() method25static void assertThat(String reason, Object actual, Matcher<?> matcher)26import static org.hamcrest.CoreMatchers.is;27import static org.hamcrest.MatcherAssert.assertThat;28import org.junit.Rule;29import org.junit.Test;30import org.junit.rules.TestRule;31import org.mockitoutil.SafeJUnitRule;32public class SafeJUnitRuleTest {33    public TestRule safeJUnitRule = new SafeJUnitRule();34    public void test() {35        assertThat("string", "string", is("string"));36    }37}38assertEquals() method39The assertEquals() method is used to test whether the expected

assertThrowable

Using AI Code Generation

1import org.junit.*;2import org.junit.rules.*;3import static org.junit.Assert.*;4public class TestClass {5    public SafeJUnitRule rule = new SafeJUnitRule();6    public void test() {7        rule.assertThrowable(IllegalArgumentException.class, new Runnable() {8            public void run() {9                throw new IllegalArgumentException();10            }11        });12    }13}14at org.junit.Assert.assertEquals(Assert.java:115)15at org.junit.Assert.assertEquals(Assert.java:144)16at org.mockitoutil.SafeJUnitRule.assertThrowable(SafeJUnitRule.java:32)17at TestClass.test(TestClass.java:16)

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.