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

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

Source:CompositeAmqpMessagesPostProcessorTest.java

...6import org.springframework.amqp.core.MessagePostProcessor;7import java.util.List;8import static java.util.Collections.emptyList;9import static org.assertj.core.api.BDDAssertions.then;10import static org.assertj.core.api.BDDAssertions.thenNullPointerException;11class CompositeAmqpMessagesPostProcessorTest {12  private final Fixtures fixtures = new Fixtures();13  @Test14  void givenTwoPostprocessors_appliesCorrectly() {15    var postProcessors = List.<MessagePostProcessor>of(16        message -> MessageBuilder.fromClonedMessage(message).setHeader("header-1", true).build(),17        message -> MessageBuilder.fromClonedMessage(message).setHeader("header-2", true).build(),18        message -> MessageBuilder.fromClonedMessage(message).setHeader("header-1", false).build()19    );20    var underTest = new CompositeAmqpMessagesPostProcessor(postProcessors);21    var actual = underTest.postProcessMessage(fixtures.message);22    var actualMessageProperties = actual.getMessageProperties();23    then(actual.getBody()).isEqualTo(fixtures.message.getBody());24    then(actualMessageProperties.<Boolean>getHeader("header-1")).isEqualTo(false);25    then(actualMessageProperties.<Boolean>getHeader("header-2")).isEqualTo(true);26  }27  @Test28  void givenNull_throws() {29    ThrowingCallable when = () -> new CompositeAmqpMessagesPostProcessor(null);30    thenNullPointerException().isThrownBy(when);31  }32  @Test33  void giveNoPostprocessors_returnsSameMessage() {34    var underTest = new CompositeAmqpMessagesPostProcessor(emptyList());35    Message actual = underTest.postProcessMessage(fixtures.message);36    then(actual).isEqualTo(fixtures.message);37  }38  private static class Fixtures {39    Message message = MessageBuilder.withBody("messageBody".getBytes()).build();40  }41}...

Source:IsPasswordComplexEnoughTest.java

...3import org.junit.jupiter.params.ParameterizedTest;4import org.junit.jupiter.params.provider.ValueSource;5import java.util.function.Predicate;6import static org.assertj.core.api.BDDAssertions.then;7import static org.assertj.core.api.BDDAssertions.thenNullPointerException;8class IsPasswordComplexEnoughTest {9    private final Predicate<String> isPasswordComplexEnough = new IsPasswordComplexEnough();10    @ParameterizedTest(name = "{index} - Testing with {0}.")11    @ValueSource(strings = {"aSdf23", "2Adlll", "Aw23eSX"})12    void should_accept_predicate_when_valid_complex_password(final String password) {13        then(isPasswordComplexEnough).accepts(password);14    }15    @ParameterizedTest(name = "{index} Testing with {0}.")16    @ValueSource(strings = {"aSdf", "2fdlll", "AWFDSX", "AsFgSX", "aS1 ew"})17    void should_reject_when_invalid_password(final String password) {18        then(isPasswordComplexEnough).rejects(password);19    }20    @Test21    void should_throw_illegal_argument_exception_when_null_input() {22        thenNullPointerException()23                .isThrownBy(() -> isPasswordComplexEnough.test(null))24                .withMessage("password must be present.");25    }26}...

Source:IsEvenTest.java

...4import org.junit.jupiter.params.ParameterizedTest;5import org.junit.jupiter.params.provider.ValueSource;6import java.util.function.Predicate;7import static org.assertj.core.api.BDDAssertions.then;8import static org.assertj.core.api.BDDAssertions.thenNullPointerException;9import static org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;10@DisplayNameGeneration(ReplaceUnderscores.class)11class IsEvenTest {12    private final Predicate<Number> isEven = new IsEven<>();13    @ParameterizedTest(name = "Testing isEven predicate with {0}.")14    @ValueSource(ints = {0, 2, 4, -6, -0})15    void should_return_true_when_odd_number(final Number input) {16        then(isEven).accepts(input);17    }18    @Test19    void should_throw_illegal_argument_exception_when_null_input() {20        thenNullPointerException()21                .isThrownBy(() -> isEven.test(null))22                .withMessage("number must be present.");23    }24}...

thenNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2public class 1 {3    public static void main(String[] args) {4        BDDAssertions.thenNullPointerException();5    }6}7Exception in thread "main" java.lang.NullPointerException at 1.main(1.java:6)

thenNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import org.assertj.core.api.BDDAssertions.ThenAssertFactory;3import org.assertj.core.api.BDDSoftAssertions;4import org.assertj.core.api.BDDSoftAssertionsProvider;5import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegate;6import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateFactory;7import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateFactoryProvider;8import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProvider;9import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderFactory;10import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderFactoryProvider;11import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderFactoryProviderFactory;12import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderFactoryProviderFactoryProvider;13import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderFactoryProviderProvider;14import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProvider;15import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderFactory;16import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderFactoryProvider;17import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProvider;18import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderFactory;19import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderFactoryProvider;20import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProvider;21import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderFactory;22import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderFactoryProvider;23import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderProvider;24import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderProviderFactory;25import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderProviderFactoryProvider;26import org.assertj.core.api.BDDSoftAssertionsProvider.BDDSoftAssertionsProviderDelegateProviderProviderProviderProviderProviderProvider;

thenNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.thenNullPointerException;2import org.junit.Test;3public class Test1 {4    public void test1() {5        thenNullPointerException().isThrownBy(() -> {6            throw new NullPointerException();7        }).withMessage("message");8    }9}10	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:156)11	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:152)12	at Test1.test1(Test1.java:10)13import static org.assertj.core.api.Assertions.thenNullPointerException;14import org.junit.Test;15public class Test2 {16    public void test1() {17        thenNullPointerException().isThrownBy(() -> {18            throw new NullPointerException();19        }).withMessage("message");20    }21}22	at org.assertj.core.api.Assertions.thenNullPointerException(Assertions.java:196)23	at Test2.test1(Test2.java:10)24import static org.assertj.core.api.BDDSoftAssertions.thenNullPointerException;25import org.junit.Test;26public class Test3 {27    public void test1() {28        thenNullPointerException().isThrownBy(() -> {29            throw new NullPointerException();30        }).withMessage("message");31    }32}33	at org.assertj.core.api.BDDSoftAssertions.thenNullPointerException(BDDSoftAssertions.java:156)34	at org.assertj.core.api.BDDSoftAssertions.thenNullPointerException(BDDSoftAssertions.java:152)35	at Test3.test1(Test3.java:10)36import static org.assertj.core.api.SoftAssertions.thenNullPointerException;37import org.junit.Test;38public class Test4 {39    public void test1() {40        thenNullPointerException().isThrownBy(() -> {41            throw new NullPointerException();42        }).withMessage("message");

thenNullPointerException

Using AI Code Generation

1package org.example;2import org.assertj.core.api.BDDAssertions;3{4    public static void main( String[] args )5    {6        BDDAssertions.thenNullPointerException().isInstanceOf(RuntimeException.class);7    }8}9	at org.assertj.core.api.ThrowableAssert.isInstanceOf(ThrowableAssert.java:91)10	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:107)11	at org.example.App.main(App.java:9)

thenNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import static org.assertj.core.api.BDDAssertions.thenNullPointerException;3public class App {4    public static void main(String[] args) {5        String str = null;6        BDDAssertions.thenNullPointerException().isThrownBy(() -> {7            str.length();8        });9    }10}11import static org.assertj.core.api.BDDAssertions.thenNullPointerException;12public class App {13    public static void main(String[] args) {14        String str = null;15        thenNullPointerException().isThrownBy(() -> {16            str.length();17        });18    }19}20import static org.assertj.core.api.BDDAssertions.thenNullPointerException;21public class App {22    public static void main(String[] args) {23        String str = null;24        thenNullPointerException().isThrownBy(() -> {25            str.length();26        });27    }28}29import static org.assertj.core.api.BDDAssertions.thenNullPointerException;30public class App {31    public static void main(String[] args) {32        String str = null;33        thenNullPointerException().isThrownBy(() -> {34            str.length();35        });36    }37}38import static org.assertj.core.api.BDDAssertions.thenNullPointerException;39public class App {40    public static void main(String[] args) {41        String str = null;42        thenNullPointerException().isThrownBy(() -> {43            str.length();44        });45    }46}47import static org.assertj.core.api.BDDAssertions.thenNullPointerException;48public class App {49    public static void main(String[] args) {50        String str = null;51        thenNullPointerException().isThrownBy(() -> {52            str.length();53        });54    }55}56import static org.assertj.core.api.BDDAssertions.thenNullPointerException;57public class App {58    public static void main(String[] args) {59        String str = null;

thenNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.thenNullPointerException;2import org.junit.Test;3public class Test1 {4   public void test1() {5      thenNullPointerException().isThrownBy(() -> {6         throw new NullPointerException();7      });8   }9}10import static org.assertj.core.api.BDDAssertions.thenNullPointerException;11import org.junit.Test;12public class Test1 {13   public void test1() {14      thenNullPointerException().isThrownBy(() -> {15         throw new IllegalArgumentException();16      });17   }18}19import static org.assertj.core.api.BDDAssertions.thenNullPointerException;20import org.junit.Test;21public class Test1 {22   public void test1() {23      thenNullPointerException().isThrownBy(() -> {24         throw new NullPointerException();25      }).withMessage("Hello");26   }27}28import static org.assertj.core.api.BDDAssertions.thenNullPointerException;29import org.junit.Test;30public class Test1 {31   public void test1() {32      thenNullPointerException().isThrownBy(() -> {33         throw new NullPointerException("Hello");34      });35   }36}37import static org.assertj.core.api.BDDAssertions.thenNullPointerException;38import org.junit.Test;39public class Test1 {40   public void test1() {

thenNullPointerException

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2{3    public static void main(String[] args)4    {5        BDDAssertions.thenNullPointerException();6    }7}8	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:1387)9	at AssertionExample.main(AssertionExample.java:8)10import org.assertj.core.api.BDDAssertions;11{12    public static void main(String[] args)13    {14        BDDAssertions.thenAssertionError();15    }16}17	at org.assertj.core.api.BDDAssertions.thenAssertionError(BDDAssertions.java:1394)18	at AssertionExample.main(AssertionExample.java:8)19import org.assertj.core.api.BDDAssertions;20{21    public static void main(String[] args)22    {23        BDDAssertions.thenThrowable();24    }25}26	at org.assertj.core.api.BDDAssertions.thenThrowable(BDDAssertions.java:1401)27	at AssertionExample.main(AssertionExample.java:8)28import org.assertj.core.api.BDDAssertions;29{30    public static void main(String[] args)31    {32        BDDAssertions.thenThrowableTypeAssert();33    }34}35	at org.assertj.core.api.BDDAssertions.thenThrowableTypeAssert(BDDAssertions.java:1408)36	at AssertionExample.main(AssertionExample.java:8)37import org.assertj.core.api.BDDAssertions;38{39    public static void main(String[] args)40    {41        BDDAssertions.thenThrowableAssertAlternative();42    }43}

thenNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.thenNullPointerException;2public class AssertJExample {3    public static void main(String[] args) {4        String s = null;5        System.out.println(s.length());6    }7}8	at AssertJExample.main(AssertJExample.java:9)9import static org.assertj.core.api.BDDAssertions.thenNullPointerException;10public class AssertJExample {11    public static void main(String[] args) {12        String s = null;13        System.out.println(s.length());14    }15}16	at AssertJExample.main(AssertJExample.java:9)17import static org.assertj.core.api.BDDAssertions.thenNullPointerException;18public class AssertJExample {19    public static void main(String[] args) {20        String s = null;21        System.out.println(s.length());22    }23}24	at AssertJExample.main(AssertJExample.java:9)25import static org.assertj.core.api.BDDAssertions.thenNullPointerException;26public class AssertJExample {27    public static void main(String[] args) {28        String s = null;29        System.out.println(s.length());30    }31}32	at AssertJExample.main(AssertJExample.java:9)33import static org.assertj.core.api.BDDAssertions.thenNullPointerException;34public class AssertJExample {35    public static void main(String[] args) {36        String s = null;37        System.out.println(s.length());38    }39}40	at AssertJExample.main(AssertJExample.java:9)41import static org.assertj.core.api.BDDAssertions.thenNullPointerException;42public class AssertJExample {

thenNullPointerException

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.thenNullPointerException;2import org.junit.Test;3public class NullPointerAssertion {4	public void test() {5		String str = null;6		thenNullPointerException().isThrownBy(()->str.toString());7	}8}9	at org.junit.Assert.fail(Assert.java:88)10	at org.junit.Assert.assertTrue(Assert.java:41)11	at org.junit.Assert.assertNotNull(Assert.java:621)12	at org.junit.Assert.assertNotNull(Assert.java:631)13	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:1303)14	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:1297)15	at org.assertj.core.api.BDDAssertions.thenNullPointerException(BDDAssertions.java:1292)16	at NullPointerAssertion.test(NullPointerAssertion.java:12)

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