How to use NotThrownAssert class of org.assertj.core.api package

Best Assertj code snippet using org.assertj.core.api.NotThrownAssert

Source:NotThrownAssert_description_Test.java

...17import static org.assertj.core.util.AssertionsUtil.expectAssertionError;18import java.util.function.Function;19import java.util.stream.Stream;20import org.assertj.core.api.Assertions;21import org.assertj.core.api.NotThrownAssert;22import org.assertj.core.api.ThrowableAssert.ThrowingCallable;23import org.assertj.core.description.TextDescription;24import org.junit.jupiter.api.BeforeAll;25import org.junit.jupiter.api.DisplayName;26import org.junit.jupiter.params.ParameterizedTest;27import org.junit.jupiter.params.provider.MethodSource;28@DisplayName("NotThrownAssert description")29class NotThrownAssert_description_Test {30  @BeforeAll31  static void beforeAll() {32    Assertions.setRemoveAssertJRelatedElementsFromStackTrace(false);33  }34  static Stream<Function<NotThrownAssert, NotThrownAssert>> parameters() {35    return Stream.of(assertion -> assertion.as("test description"),36                     assertion -> assertion.describedAs("test description"),37                     assertion -> assertion.as(new TextDescription("%s description", "test")),38                     assertion -> assertion.describedAs(new TextDescription("%s description", "test")));39  }40  @ParameterizedTest41  @MethodSource("parameters")42  void should_contain_provided_description_if_exception_is_thrown_by_lambda(Function<NotThrownAssert, NotThrownAssert> descriptionAdder) {43    // GIVEN44    NotThrownAssert assertThatNoException = descriptionAdder.apply(assertThatNoException());45    ThrowingCallable throwingCallable = () -> {46      throw new IllegalArgumentException();47    };48    // WHEN49    AssertionError assertionError = expectAssertionError(() -> assertThatNoException.isThrownBy(throwingCallable));50    // THEN51    then(assertionError).hasMessageStartingWith(format("[test description] %n" +52                                                       "Expecting code not to raise a throwable but caught%n"53                                                       +54                                                       "  <\"java.lang.IllegalArgumentException"));55  }56}...

Source:MyTestRunnerTest.java

1package homework;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.NotThrownAssert;4import org.junit.jupiter.api.Test;5class MyTestRunnerTest {6    @Test7    void testRunnerWithAllSuccess() {8        NotThrownAssert notThrownAssert = Assertions.assertThatNoException();9        notThrownAssert.isThrownBy(() -> MyTestFramework.runTest("homework.MyClass"));10    }11    @Test12    void testRunnerWithFailedBefore() {13        NotThrownAssert notThrownAssert = Assertions.assertThatNoException();14        notThrownAssert.isThrownBy(() -> MyTestFramework.runTest("homework.FailedBeforeClass"));15    }16    @Test17    void testRunnerWithFailedAfter() {18        NotThrownAssert notThrownAssert = Assertions.assertThatNoException();19        notThrownAssert.isThrownBy(() -> MyTestFramework.runTest("homework.FailedAfterClass"));20    }21    @Test22    void testRunnerWithFailedTest() {23        Assertions.assertThatThrownBy(() -> MyTestFramework.runTest("homework.FailedTestClass"))24                .isInstanceOf(TestFailedException.class);25    }26}

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2public class NotThrownAssertDemo {3  public static void main(String[] args) {4    NotThrownAssert notThrownAssert = new NotThrownAssert();5    notThrownAssert.doesNotThrowAnyException();6  }7}

NotThrownAssert

Using AI Code Generation

1package org.assertj.core.api;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.catchThrowable;5public class NotThrownAssertTest {6    public void testNotThrown() {7        assertThat(catchThrowable(() -> {8            throw new RuntimeException("test");9        })).isNotInstanceOf(RuntimeException.class);10    }11}12	at org.assertj.core.api.NotThrownAssertTest.testNotThrown(NotThrownAssertTest.java:15)

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2import org.assertj.core.api.ThrowableAssert;3public class NotThrownAssertDemo {4   public static void main(String[] args) {5      NotThrownAssert notThrownAssert = new NotThrownAssert();6      ThrowableAssert throwableAssert = new ThrowableAssert("String");7      notThrownAssert.assertThat(throwableAssert);8   }9}10at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:53)11at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:29)12at org.assertj.core.api.NotThrownAssert.assertThat(NotThrownAssert.java:63)13at NotThrownAssertDemo.main(NotThrownAssertDemo.java:14)

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2import org.junit.Test;3import static org.assertj.core.api.Assertions.*;4public class Test1 {5    public void test1() {6        assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {7            throw new NullPointerException();8        });9    }10}11import org.assertj.core.api.NotThrownAssert;12import org.junit.Test;13import static org.assertj.core.api.Assertions.*;14public class Test2 {15    public void test1() {16        assertThatExceptionOfType(NullPointerException.class).isNotThrownBy(() -> {17            System.out.println("Hello");18        });19    }20}21import org.assertj.core.api.NotThrownAssert;22import org.junit.Test;23import static org.assertj.core.api.Assertions.*;24public class Test3 {

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.NotThrownAssert;3import org.junit.jupiter.api.Test;4import static org.assertj.core.api.Assertions.assertThat;5public class AssertJNotThrownAssert {6    public void testNotThrownAssert() {7        NotThrownAssert notThrownAssert = assertThat(Assertions.catchThrowable(() -> {8            throw new RuntimeException("A");9        }));10        notThrownAssert.doesNotThrowAnyException();11    }12}13import org.assertj.core.api.Assertions;14import org.junit.jupiter.api.Test;15import static org.assertj.core.api.Assertions.assertThat;16public class AssertJNotThrownAssert {17    public void testNotThrownAssert() {18        Assertions.assertThatThrownBy(() -> {19            throw new RuntimeException("A");20        }).doesNotThrowAnyException();21    }22}23	at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:60)24	at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1477)25	at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1466)26	at AssertJNotThrownAssert.testNotThrownAssert(AssertJNotThrownAssert.java:10)27	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)28	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)29	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)30	at java.base/java.lang.reflect.Method.invoke(Method.java:566)31	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)32	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)33	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)34	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)35	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)36	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)37	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2import org.junit.Test;3public class Test1 {4    public void test1() {5        NotThrownAssert.assertThat(() -> {6            throw new RuntimeException();7        }).isInstanceOf(RuntimeException.class);8    }9}10import org.assertj.core.api.NotThrownAssert;11import org.junit.Test;12public class Test2 {13    public void test2() {14        NotThrownAssert.assertThat(() -> {15            throw new RuntimeException();16        }).isInstanceOf(NullPointerException.class);17    }18}19import org.assertj.core.api.NotThrownAssert;20import org.junit.Test;21public class Test3 {22    public void test3() {23        NotThrownAssert.assertThat(() -> {24            throw new RuntimeException();25        }).isInstanceOf(RuntimeException.class).hasMessage("hello");26    }27}28import org.assertj.core.api.NotThrownAssert;29import org.junit.Test;30public class Test4 {31    public void test4() {32        NotThrownAssert.assertThat(() -> {33            throw new RuntimeException();34        }).isInstanceOf(RuntimeException.class).hasMessage("hello").hasNoCause();35    }36}37import org.assertj.core.api.NotThrownAssert;38import org.junit.Test;39public class Test5 {40    public void test5() {41        NotThrownAssert.assertThat(() -> {

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2import org.junit.jupiter.api.Test;3public class AssertJNotThrownAssertTest {4  public void testAssertJNotThrownAssert() {5    NotThrownAssert notThrownAssert = new NotThrownAssert(Assertions.class);6    notThrownAssert.doesNotThrowAnyException();7  }8}

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.NotThrownAssert;2public class NotThrownAssertExample {3    public static void main(String[] args) {4        NotThrownAssert.assertNothingThrown(() -> {5        });6    }7}

NotThrownAssert

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.NotThrownAssert;3import org.junit.Test;4public class AssertJNotThrownAssertTest {5    public void testNotThrownAssert(){6        NotThrownAssert notThrownAssert = Assertions.assertThatCode(() -> {7            System.out.println("I'm not throwing any exception");8        });9        notThrownAssert.doesNotThrowAnyException();10    }11}

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.