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How to use catchNullPointerException method of org.assertj.core.api.BDDAssertions class

Best Assertj code snippet using org.assertj.core.api.BDDAssertions.catchNullPointerException

Source:AgencyTests.java

...5import java.util.Locale;6import org.junit.jupiter.api.DisplayName;7import org.junit.jupiter.api.Nested;8import org.junit.jupiter.api.Test;9import static org.assertj.core.api.BDDAssertions.catchNullPointerException;10import static org.assertj.core.api.BDDAssertions.then;11import static org.assertj.core.api.BDDSoftAssertions.thenSoftly;12/**13 * Tests for {@link Agency}.14 */15@DisplayName("Agency")16class AgencyTests {17	private static final AgencyId TEST_AGENCY_ID = AgencyId.of("test");18	private static final String TEST_AGENCY_NAME = "Test";19	private static final URL TEST_AGENCY_URL = url("https://example.com/agency_url");20	private static final URL TEST_AGENCY_FARE_URL = url("https://example.com/agency_fare_url");21	private static final String TEST_AGENCY_PHONE = "+1000000000";22	private static final String TEST_AGENCY_EMAIL = "agency@example.com";23	private static URL url(String spec) {24		try {25			return new URL(spec);26		}27		catch (MalformedURLException ex) {28			throw new RuntimeException(ex);29		}30	}31	@Nested32	@DisplayName("when builder")33	class WhenBuilder {34		@Test35		@DisplayName("given valid arguments then creates instance")36		void givenValidArgumentsThenCreatesInstance() {37			// when38			Agency test = Agency.builder(TEST_AGENCY_ID, TEST_AGENCY_NAME, TEST_AGENCY_URL, ZoneOffset.UTC)39					.language(Locale.ENGLISH)40					.fareUrl(TEST_AGENCY_FARE_URL)41					.phone(TEST_AGENCY_PHONE)42					.email(TEST_AGENCY_EMAIL).build();43			// then44			thenSoftly(softly -> {45				softly.then(test.getId()).as("Agency id").isEqualTo(TEST_AGENCY_ID);46				softly.then(test.getName()).as("Agency name").isEqualTo(TEST_AGENCY_NAME);47				softly.then(test.getUrl()).as("Agency URL").isEqualTo(TEST_AGENCY_URL);48				softly.then(test.getTimezone()).as("Agency timezone").isEqualTo(ZoneOffset.UTC);49				softly.then(test.getLanguage()).as("Agency language").isEqualTo(Locale.ENGLISH);50				softly.then(test.getFareUrl()).as("Agency fare URL").isEqualTo(TEST_AGENCY_FARE_URL);51				softly.then(test.getPhone()).as("Agency phone").isEqualTo(TEST_AGENCY_PHONE);52				softly.then(test.getEmail()).as("Agency email").isEqualTo(TEST_AGENCY_EMAIL);53			});54		}55		@Test56		@DisplayName("given null id then throws exception")57		void givenNullIdThenThrowsException() {58			// when59			NullPointerException exception = catchNullPointerException(60					() -> Agency.builder(null, TEST_AGENCY_NAME, TEST_AGENCY_URL, ZoneOffset.UTC).build());61			// then62			then(exception).as("Exception").hasMessage("id must not be null");63		}64		@Test65		@DisplayName("given null name then throws exception")66		void givenNullLogoThenThrowsException() {67			// when68			NullPointerException exception = catchNullPointerException(69					() -> Agency.builder(TEST_AGENCY_ID, null, TEST_AGENCY_URL, ZoneOffset.UTC).build());70			// then71			then(exception).as("Exception").hasMessage("name must not be null");72		}73		@Test74		@DisplayName("given null website then throws exception")75		void givenNullWebsiteThenThrowsException() {76			// when77			NullPointerException exception = catchNullPointerException(78					() -> Agency.builder(TEST_AGENCY_ID, TEST_AGENCY_NAME, null, ZoneOffset.UTC).build());79			// then80			then(exception).as("Exception").hasMessage("url must not be null");81		}82		@Test83		@DisplayName("given null timezone then throws exception")84		void givenNullTimeZoneThenThrowsException() {85			// when86			NullPointerException exception = catchNullPointerException(87					() -> Agency.builder(TEST_AGENCY_ID, TEST_AGENCY_NAME, TEST_AGENCY_URL, null).build());88			// then89			then(exception).as("Exception").hasMessage("timezone must not be null");90		}91	}92}...

Source:Assertions_catchNullPointerException_Test.java

...11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.api;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.catchNullPointerException;16import static org.assertj.core.api.Assertions_catchThrowable_Test.codeThrowing;17import static org.assertj.core.api.BDDAssertions.then;18import static org.assertj.core.util.AssertionsUtil.expectAssertionError;19import static org.mockito.Mockito.mock;20import org.assertj.core.api.ThrowableAssert.ThrowingCallable;21import org.junit.jupiter.api.Test;22class Assertions_catchNullPointerException_Test {23  @Test24  void catchNullPointerException_should_fail_with_good_message_if_wrong_type() {25    // GIVEN26    ThrowingCallable code = () -> catchNullPointerException(raisingException("boom!!"));27    // WHEN28    AssertionError assertionError = expectAssertionError(code);29    // THEN30    assertThat(assertionError).hasMessageContainingAll(Exception.class.getName(), NullPointerException.class.getName());31  }32  @Test33  void catchNullPointerException_should_succeed_and_return_actual_instance_with_correct_class() {34    // GIVEN35    final NullPointerException expected = new NullPointerException("boom!!");36    // WHEN37    NullPointerException actual = catchNullPointerException(codeThrowing(expected));38    // THEN39    then(actual).isSameAs(expected);40  }41  @Test42  void catchNullPointerException_should_succeed_and_return_null_if_no_exception_thrown() {43    // WHEN44    NullPointerException actual = catchNullPointerException(() -> {});45    // THEN46    then(actual).isNull();47  }48  @Test49  void catchNullPointerException_should_catch_mocked_throwable() {50    // GIVEN51    NullPointerException exception = mock(NullPointerException.class);52    // WHEN53    Throwable actual = catchNullPointerException(codeThrowing(exception));54    // THEN55    then(actual).isSameAs(exception);56  }57  static ThrowingCallable raisingException(final String reason) {58    return codeThrowing(new Exception(reason));59  }60}...

Source:EntryPointAssertions_catchNullPointerException_Test.java

...16import java.util.stream.Stream;17import org.assertj.core.api.ThrowableAssert.ThrowingCallable;18import org.junit.jupiter.params.ParameterizedTest;19import org.junit.jupiter.params.provider.MethodSource;20class EntryPointAssertions_catchNullPointerException_Test extends EntryPointAssertionsBaseTest {21  private static final NullPointerException NULL_POINTER_EXCEPTION = new NullPointerException();22  @ParameterizedTest23  @MethodSource("catchNullPointerExceptions")24  void should_catch_NullPointerException(Function<ThrowingCallable, NullPointerException> catchNullPointerException) {25    // GIVEN26    ThrowingCallable throwingCallable = () -> {27      throw NULL_POINTER_EXCEPTION;28    };29    // WHEN30    NullPointerException throwable = catchNullPointerException.apply(throwingCallable);31    // THEN32    then(throwable).isSameAs(NULL_POINTER_EXCEPTION);33  }34  private static Stream<Function<ThrowingCallable, NullPointerException>> catchNullPointerExceptions() {35    return Stream.of(Assertions::catchNullPointerException, BDDAssertions::catchNullPointerException, withAssertions::catchNullPointerException);36  }37}...

catchNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.catchThrowable;2import static org.assertj.core.api.BDDAssertions.then;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4import org.junit.Test;5public class BDDAssertionsTest {6    public void shouldCatchNullPointerException() {7        Throwable thrown = catchThrowable(() -> {8            throw new NullPointerException("boom!");9        });10        then(thrown).isInstanceOf(NullPointerException.class);11        then(thrown).hasMessage("boom!");12    }13    public void shouldCatchNullPointerException2() {14        thenThrownBy(() -> {15            throw new NullPointerException("boom!");16        }).isInstanceOf(NullPointerException.class).hasMessage("boom!");17    }18}19import static org.assertj.core.api.Assertions.assertThatExceptionOfType;20import org.junit.Test;21public class AssertionsTest {22    public void shouldCatchNullPointerException() {23        assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {24            throw new NullPointerException("boom!");25        }).withMessage("boom!");26    }27}28import static org.assertj.core.api.Assertions.catchThrowableOfType;29import org.junit.Test;30public class AssertionsTest {31    public void shouldCatchNullPointerException() {32        NullPointerException thrown = catchThrowableOfType(() -> {33            throw new NullPointerException("boom!");34        }, NullPointerException.class);35        then(thrown).hasMessage("boom!");36    }37}38import static org.assertj.core.api.Assertions.catchThrowable;39import org.junit.Test;40public class AssertionsTest {41    public void shouldCatchNullPointerException() {42        Throwable thrown = catchThrowable(() -> {43            throw new NullPointerException("boom!");44        });45        then(thrown).isInstanceOf(NullPointerException.class);46        then(thrown).hasMessage("boom!");47    }48}49import static org.assertj.core.api.BDDAssertions.assertThatExceptionOfType;50import org.junit.Test;

catchNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import org.junit.Test;3public class Test1 {4    public void test1() {5        BDDAssertions.catchThrowableOfType(() -> {6            throw new NullPointerException();7        }, NullPointerException.class);8    }9}10  assertThatCode(Runnable)11  assertThatThrownBy(ThrowingCallable)12  catchThrowable(ThrowingCallable)13  catchThrowableOfType(ThrowingCallable, Class)14  catchThrowableOfType(ThrowingCallable, Class, Consumer)15  catchThrowableOfType(ThrowingCallable, Class, String, Object...)16  catchThrowableOfType(ThrowingCallable, Class, String, Object)17  catchThrowableOfType(ThrowingCallable, Class, String)18  catchThrowableOfType(ThrowingCallable, Class, String, Object...)19  catchThrowableOfType(ThrowingCallable, Class, String, Object)20  catchThrowableOfType(ThrowingCallable, Class, String)21  catchThrowableOfType(ThrowingCallable, Class, String, Object...)22  catchThrowableOfType(ThrowingCallable, Class, String, Object)23  catchThrowableOfType(ThrowingCallable, Class, String)24  catchThrowableOfType(ThrowingCallable, Class, String, Object...)25  catchThrowableOfType(ThrowingCallable, Class, String, Object)26  catchThrowableOfType(ThrowingCallable, Class, String)27  catchThrowableOfType(ThrowingCallable, Class, String, Object...)28  catchThrowableOfType(ThrowingCallable, Class, String, Object)29  catchThrowableOfType(ThrowingCallable, Class, String)30  catchThrowableOfType(ThrowingCallable, Class, String, Object...)31  catchThrowableOfType(ThrowingCallable, Class, String, Object)32  catchThrowableOfType(ThrowingCallable, Class, String)33  catchThrowableOfType(ThrowingCallable, Class, String, Object...)34  catchThrowableOfType(ThrowingCallable, Class, String, Object)35  catchThrowableOfType(ThrowingCallable, Class, String)36  catchThrowableOfType(ThrowingCallable, Class,

catchNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2class Test {3    public static void main(String[] args) {4        BDDAssertions.catchThrowableOfType(() -> {5            throw new NullPointerException();6        }, Nu

catchNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.catchThrowable;2import org.junit.jupiter.api.Test;3public class AssertJTest {4    public void test() {5        Throwable thrown = catchThrowable(() -> {6            throw new NullPointerException("boom!");7        });8        System.out.println(thrown);9    }10}11import static org.assertj.core.api.BDDAssertions.catchThrowable;12import org.junit.jupiter.api.Test;13public class AssertJTest {14    public void test() {15        Throwable thrown = catchThrowable(() -> {16            throw new NullPointerException("boom!");17        });18        System.out.println(thrown);19        thrown = catchThrowable(() -> {20            throw new ArithmeticException("boom!");21        });22        System.out.println(thrown);23    }24}25import static org.assertj.core.api.BDDAssertions.catchThrowable;26import org.junit.jupiter.api.Test;27public class AssertJTest {28    public void test() {29        Throwable thrown = catchThrowable(() -> {30            throw new NullPointerException("boom!");31        });32        System.out.println(thrown);33        thrown = catchThrowable(() -> {34            throw new ArithmeticException("boom!");35        });36        System.out.println(thrown);37        thrown = catchThrowable(() -> {

catchNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.catchThrowable;2public class Test {3    public static void main(String[] args) {4        Throwable thrown = catchThrowable(() -> {5            System.out.println("Hello World!");6        });7    }8}

catchNullPointerException

Using AI Code Generation

1public class BDDAssertionsCatchNullPointerExceptionExample {2    public static void main(String[] args) {3        String s = null;4        BDDAssertions.catchThrowableOfType(() -> s.length(), NullPointerException.class);5    }6}7	at BDDAssertionsCatchNullPointerExceptionExample.main(BDDAssertionsCatchNullPointerExceptionExample.java:7)8Related Articles: AssertJ BDDAssertions catchThrowableOfType() Method Example9AssertJ BDDAssertions catchThrowable() Method Example10AssertJ BDDAssertions assertThat() Method Example11AssertJ BDDAssertions then() Method Example12AssertJ BDDAssertions thenThrownBy() Method Example13AssertJ BDDAssertions thenCode() Method Exampl

catchNullPointerException

Using AI Code Generation

1package org.astro;2import static org.assertj.core.api.BDDAssertions.catchThrowable;3public class Test1 {4    public static void main(String[] args) {5        Throwable thrown = catchThrowable(() -> {6            throw new NullPointerException("boom!");7        });8        System.out.println(thrown.getMessage());9    }10}

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