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

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

Source:ThrowableAssert_built_with_then_method_Test.java

...19public class ThrowableAssert_built_with_then_method_Test {20    @Test21    public void should_build_ThrowableAssert_with_runtime_exception_thrown_by_callable_code() {22        // check that actual exception is the one thrown by Callable<Void>#run23        BDDAssertions.thenThrownBy(new ThrowingCallable() {24            @Override25            public void call() {26                throw new IllegalArgumentException("something was wrong");27            }28        }).isInstanceOf(IllegalArgumentException.class).hasMessage("something was wrong");29    }30    @Test31    public void should_build_ThrowableAssert_with_throwable_thrown_by_callable_code() {32        BDDAssertions.thenThrownBy(new ThrowingCallable() {33            @Override34            public void call() throws Exception {35                throw new Exception("something was wrong");36            }37        }).isInstanceOf(Exception.class).hasMessage("something was wrong");38    }39    @Test40    public void should_fail_if_nothing_is_thrown_by_callable_code() {41        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {42            thenThrownBy(new ThrowingCallable() {43                @Override44                public void call() {45                    // no exception46                }47            });48        }).withMessage(String.format("%nExpecting code to raise a throwable."));49    }50}...

Source:RechnungControllerTest.java

...9import org.mockito.Mock;10import org.mockito.junit.jupiter.MockitoExtension;11import java.util.UUID;12import static org.assertj.core.api.BDDAssertions.then;13import static org.assertj.core.api.BDDAssertions.thenThrownBy;14import static org.mockito.Mockito.when;15@ExtendWith(MockitoExtension.class)16class RechnungControllerTest {17    @InjectMocks18    private RechnungController controller;19    @Mock20    private RechnungService service;21    @Nested22    class CreateRechnung {23        @Mock24        private BestellungDto bestellung;25        @Test26        @DisplayName("Should delegate rechnung")27        void success(@Mock final RechnungDto rechnungDto) {28            when(service.createRechnung(bestellung)).thenReturn(rechnungDto);29            then(controller.createRechnung(bestellung)).isSameAs(rechnungDto);30        }31        @Test32        @DisplayName("Should delegate exception")33        void failure(@Mock final RuntimeException exception) {34            when(service.createRechnung(bestellung)).thenThrow(exception);35            thenThrownBy(() -> controller.createRechnung(bestellung)).isSameAs(exception);36        }37    }38    @Nested39    class GetRechnung {40        private final UUID rechnungId = UUID.randomUUID();41        @Test42        @DisplayName("Should delegate rechnung")43        void success(@Mock final RechnungDto rechnungDto) {44            when(service.getRechnung(rechnungId)).thenReturn(rechnungDto);45            then(controller.getRechnung(rechnungId)).isSameAs(rechnungDto);46        }47        @Test48        @DisplayName("Should delegate exception")49        void failure(@Mock final RuntimeException exception) {50            when(service.getRechnung(rechnungId)).thenThrow(exception);51            thenThrownBy(() -> controller.getRechnung(rechnungId)).isSameAs(exception);52        }53    }54}...

Source:KundeControllerTest.java

...9import org.mockito.junit.jupiter.MockitoExtension;10import org.springframework.web.server.ResponseStatusException;11import java.util.UUID;12import static org.assertj.core.api.BDDAssertions.then;13import static org.assertj.core.api.BDDAssertions.thenThrownBy;14import static org.mockito.Mockito.when;15@ExtendWith(MockitoExtension.class)16class KundeControllerTest {17    @InjectMocks18    private KundeController controller;19    @Mock20    private KundeService service;21    @Nested22    class GetKunde {23        private final UUID kundeId = UUID.randomUUID();24        @Test25        @DisplayName("Should give kunde")26        void ok(@Mock final KundeDto kundeDto) {27            when(service.getKunde(kundeId)).thenReturn(kundeDto);28            then(controller.getKunde(kundeId)).isSameAs(kundeDto);29        }30        @Test31        @DisplayName("Should throw 'not found'")32        void notFound(@Mock final ResponseStatusException exception) {33            when(service.getKunde(kundeId)).thenThrow(exception);34            thenThrownBy(() -> controller.getKunde(kundeId)).isSameAs(exception);35        }36    }37}

thenThrownBy

Using AI Code Generation

1package org.kodejava.example.assertj;2import org.junit.Test;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4public class ThenThrownByTest {5    public void testThenThrownBy() {6        thenThrownBy(() -> {7            throw new RuntimeException("An error occurred!");8        }).isInstanceOf(RuntimeException.class)9                .hasMessage("An error occurred!");10        thenThrownBy(() -> {11            throw new RuntimeException("An error occurred!");12        }).isInstanceOf(IllegalArgumentException.class)13                .hasMessage("An error occurred!");14    }15}16Share on Skype (Opens in new window)

thenThrownBy

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import org.junit.jupiter.api.Test;3import java.io.IOException;4import static org.assertj.core.api.BDDAssertions.thenThrownBy;5public class AssertJTest {6    public void test() {7        thenThrownBy(() -> {8            throw new IOException("boom");9        }).isInstanceOf(IOException.class).hasMessageContaining("boom");10    }11}12	at AssertJTest.lambda$test$0(AssertJTest.java:9)13	at org.assertj.core.api.BDDAssertions.thenThrownBy(BDDAssertions.java:574)14	at AssertJTest.test(AssertJTest.java:8)

thenThrownBy

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import org.junit.Test;3import java.util.concurrent.CompletionException;4import java.util.concurrent.CompletableFuture;5import java.util.concurrent.CompletionStage;6import static org.assertj.core.api.BDDAssertions.thenThrownBy;7import static org.junit.Assert.assertEquals;8public class AssertJTest {9    public void testAssertJCompletableFutureException() {10        CompletionStage<String> future = CompletableFuture.supplyAsync(() -> {11            throw new RuntimeException("Oops!");12        });13        thenThrownBy(() -> future.toCompletableFuture().get())14                .isInstanceOf(CompletionException.class)15                .hasCauseInstanceOf(RuntimeException.class)16                .hasMessageContaining("Oops!");17    }18}

thenThrownBy

Using AI Code Generation

1package org.assertj.core.api;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3public class BDDAssertions {4  public static <T extends Throwable> ThrowableAssert.ThrowingCallableAssert<T> thenThrownBy(ThrowingCallable shouldRaiseThrowable) {5    return new ThrowableAssert.ThrowingCallableAssert<T>(shouldRaiseThrowable);6  }7}8package org.assertj.core.api;9import org.assertj.core.api.ThrowableAssert.ThrowingCallable;10public class ThrowableAssert {11  public static class ThrowingCallableAssert<T extends Throwable> extends AbstractThrowableAssert<ThrowingCallableAssert<T>, T> {12    public ThrowingCallableAssert(ThrowingCallable shouldRaiseThrowable) {13      super(shouldRaiseThrowable, ThrowingCallableAssert.class);14    }15  }16}17package org.assertj.core.api;18import org.assertj.core.api.ThrowableAssert.ThrowingCallable;19public class AbstractThrowableAssert<SELF extends AbstractThrowableAssert<SELF, ACTUAL>, ACTUAL extends Throwable> extends AbstractAssert<SELF, ACTUAL> {20  public AbstractThrowableAssert(ThrowingCallable shouldRaiseThrowable, Class<?> selfType) {21    super(shouldRaiseThrowable, selfType);22  }23}24package org.assertj.core.api;25public abstract class AbstractAssert<SELF extends AbstractAssert<SELF, ACTUAL>, ACTUAL> {26  public AbstractAssert(ACTUAL actual, Class<?> selfType) {27  }28}29package org.assertj.core.api.ThrowableAssert;30public interface ThrowingCallable {31}32package org.assertj.core.api.BDDAssertions;33public class BDDAssertions {34  public static <T extends Throwable> ThrowableAssert.ThrowingCallableAssert<T> thenThrownBy(ThrowingCallable shouldRaiseThrowable) {35    return new ThrowableAssert.ThrowingCallableAssert<T>(shouldRaiseThrowable);36  }37}

thenThrownBy

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions; 2import org.junit.Test;3import org.junit.runner.RunWith;4import org.mockito.junit.MockitoJUnitRunner;5import static org.assertj.core.api.BDDAssertions.thenThrownBy;6@RunWith(MockitoJUnitRunner.class)7public class 1 {8    public void test1() {9        thenThrownBy(() -> {10            throw new Exception("exception");11        }).isInstanceOf(Exception.class).hasMessage("exception");12    }13}14	at org.assertj.core.api.BDDAssertions.thenThrownBy(BDDAssertions.java:206)15	at 1.test1(1.java:12)16-> at 1.test1(1.java:11)17    someMethod(anyObject(), "raw String");18    someMethod(anyObject(), eq("String by matcher"));19	at org.mockito.internal.runners.util.FrameworkUsageValidator.validateMatchersUsage(FrameworkUsageValidator.java:27)20	at org.mockito.internal.runners.util.FrameworkUsageValidator.validateUsage(FrameworkUsageValidator.java:19)21	at org.mockito.internal.runners.DefaultInternalRunner$1.validateFrameworkUsage(DefaultInternalRunner.java:46)22	at org.mockito.internal.runners.DefaultInternalRunner$1.run(DefaultInternalRunner.java:41)23	at org.mockito.internal.runners.DefaultInternalRunner.run(DefaultInternalRunner.java:79)24	at org.mockito.internal.runners.StrictRunner.run(StrictRunner.java:39)25	at org.mockito.junit.MockitoJUnitRunner.run(MockitoJUnitRunner.java:163)26	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)27	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)28	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)29	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)

thenThrownBy

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3public class Example1 {4   public static void main(String[] args) {5      ThrowingCallable callable = () -> {throw new NullPointerException("Null Pointer Exception");};6      BDDAssertions.thenThrownBy(callable).hasMessage("Null Pointer Exception");7   }8}9import org.assertj.core.api.BDDAssertions;10import org.assertj.core.api.ThrowableAssert.ThrowingCallable;11public class Example2 {12   public static void main(String[] args) {13      ThrowingCallable callable = () -> {throw new NullPointerException("Null Pointer Exception");};14      BDDAssertions.thenThrownBy(callable).hasMessage("Null Pointer Exception").hasNoCause();15   }16}17import org.assertj.core.api.BDDAssertions;18import org.assertj.core.api.ThrowableAssert.ThrowingCallable;19public class Example3 {

thenThrownBy

Using AI Code Generation

1package org.kodejava.example.assertj;2import org.junit.Test;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4public class ThenThrownByExample {5    public void testThenThrownBy() {6        int x = 10 / 0;7        thenThrownBy(() -> {8            int y = 10 / 0;9        }).isInstanceOf(ArithmeticException.class);10    }11}

thenThrownBy

Using AI Code Generation

1public class AssertjBDDAssertions {2    public static void main(String[] args) {3        String str = "Hello";4        thenThrownBy(() -> str.charAt(10))5                .isInstanceOf(IndexOutOfBoundsException.class)6                .hasMessageContaining("String index out of range");7    }8}9	at org.assertj.core.api.BDDAssertions.thenThrownBy(BDDAssertions.java:123)10	at AssertjBDDAssertions.main(AssertjBDDAssertions.java:11)

thenThrownBy

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.BDDAssertions.thenThrownBy;3public class AssertjTest {4    public void testAssertJException() {5        thenThrownBy(() -> {6            throw new RuntimeException("Error");7        }).isInstanceOf(RuntimeException.class).hasMessage("Error");8    }9}

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