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 Github

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...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}...

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Source:RechnungControllerTest.java Github

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...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}...

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Source:KundeControllerTest.java Github

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...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}

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thenThrownBy

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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)

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thenThrownBy

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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)

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thenThrownBy

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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}

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thenThrownBy

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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}

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thenThrownBy

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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)

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thenThrownBy

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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 {

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thenThrownBy

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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}

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thenThrownBy

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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)

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thenThrownBy

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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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