How to use testException method of org.assertj.core.api.Assertions class

Best Assertj code snippet using org.assertj.core.api.Assertions.testException

Source:DistrictRepositoryTest.java Github

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...41 @Test42 void notFoundDistrictByName() {43 String name = "nome que não existe no BD";44 District response = null;45 Exception testException = null;46 try {47 response = districtRepository.getDistrictByName(name);48 } catch (Exception exception) {49 testException = exception;50 }51 Assertions.assertNull(response);52 org.assertj.core.api.Assertions.assertThat(testException.getMessage()).isEqualTo("Bairro não encontrado em nosso BD.");53 }54}...

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Source:StandaloneCircuitBreakerMaintenanceTest.java Github

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1package io.smallrye.faulttolerance.standalone.test;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatCode;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import static org.awaitility.Awaitility.await;6import java.time.temporal.ChronoUnit;7import java.util.concurrent.Callable;8import java.util.concurrent.atomic.AtomicInteger;9import org.eclipse.microprofile.faulttolerance.exceptions.CircuitBreakerOpenException;10import org.junit.jupiter.api.BeforeEach;11import org.junit.jupiter.api.Test;12import io.smallrye.faulttolerance.api.FaultTolerance;13import io.smallrye.faulttolerance.core.util.TestException;14public class StandaloneCircuitBreakerMaintenanceTest {15 @BeforeEach16 public void setUp() {17 FaultTolerance.circuitBreakerMaintenance().resetAll();18 }19 @Test20 public void circuitBreakerEvents() throws Exception {21 assertThatThrownBy(() -> {22 FaultTolerance.circuitBreakerMaintenance().currentState("my-cb");23 });24 Callable<String> guarded = FaultTolerance.createCallable(this::action)25 .withCircuitBreaker().requestVolumeThreshold(4).delay(1, ChronoUnit.SECONDS).name("my-cb").done()26 .withFallback().handler(this::fallback).applyOn(CircuitBreakerOpenException.class).done()27 .build();28 AtomicInteger stateChanges = new AtomicInteger();29 FaultTolerance.circuitBreakerMaintenance().onStateChange("my-cb", ignored -> stateChanges.incrementAndGet());30 assertThat(stateChanges).hasValue(0);31 for (int i = 0; i < 4; i++) {32 assertThatCode(guarded::call).isExactlyInstanceOf(TestException.class);33 }34 // 1. closed -> open35 assertThat(stateChanges).hasValue(1);36 assertThat(guarded.call()).isEqualTo("fallback");37 await().untilAsserted(() -> {38 assertThatCode(guarded::call).isExactlyInstanceOf(TestException.class);39 });40 // 2. open -> half-open41 // 3. half-open -> open42 assertThat(stateChanges).hasValue(3);43 }44 public String action() throws TestException {45 throw new TestException();46 }47 public String fallback() {48 return "fallback";49 }50}...

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Source:InvocationTest.java Github

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1package io.smallrye.faulttolerance.core;2import static io.smallrye.faulttolerance.core.Invocation.invocation;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import org.junit.jupiter.api.Test;6import io.smallrye.faulttolerance.core.util.TestException;7public class InvocationTest {8 @Test9 public void identicalResult() throws Exception {10 assertThat(invocation().apply(new InvocationContext<>(() -> "foobar"))).isEqualTo("foobar");11 }12 @Test13 public void identicalException() {14 assertThatThrownBy(() -> invocation().apply(new InvocationContext<>(TestException::doThrow)))15 .isExactlyInstanceOf(TestException.class);16 }17}...

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testException

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import org.junit.Test;4public class TestException {5 public void testException() {6 assertThatThrownBy(() -> {7 throw new Exception("boom!");8 }).isInstanceOf(Exception.class)9 .hasMessageContaining("boom");10 }11}12import static org.assertj.core.api.Assertions.assertThat;13import static org.assertj.core.api.Assertions.assertThatThrownBy;14import org.junit.Test;15public class TestException {16 public void testException() {17 assertThatThrownBy(() -> {18 throw new Exception("boom!");19 }).isInstanceOf(Exception.class)20 .hasMessageContaining("boom");21 }22}23import static org.assertj.core.api.Assertions.assertThat;24import static org.assertj.core.api.Assertions.assertThatThrownBy;25import org.junit.Test;26public class TestException {27 public void testException() {28 assertThatThrownBy(() -> {29 throw new Exception("boom!");30 }).isInstanceOf(Exception.class)31 .hasMessageContaining("boom");32 }33}34import static org.assertj.core.api.Assertions.assertThat;35import static org.assertj.core.api.Assertions.assertThatThrownBy;36import org.junit.Test;37public class TestException {38 public void testException() {39 assertThatThrownBy(() -> {40 throw new Exception("boom!");41 }).isInstanceOf(Exception.class)42 .hasMessageContaining("boom");43 }44}45import static org.assertj.core.api.Assertions.assertThat;46import static org.assertj.core.api.Assertions.assertThatThrownBy;47import org.junit.Test;48public class TestException {49 public void testException() {50 assertThatThrownBy(() -> {51 throw new Exception("boom!");52 }).isInstanceOf(Exception.class)53 .hasMessageContaining("boom");54 }55}56import static org.assertj.core.api.Assertions.assertThat;57import static org.assertj.core.api.Assertions.assertThatThrownBy;58import org.junit

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testException

Using AI Code Generation

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class TestException {4 public void testException() {5 Assertions.assertThatExceptionOfType(NullPointerException.class)6 .isThrownBy(() -> {7 throw new NullPointerException();8 });9 }10}

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testException

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1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ThrowableAssert;3import org.junit.Test;4public class TestException {5public void testException() {6ThrowableAssert.ThrowingCallable callable = new ThrowableAssert.ThrowingCallable() {7public void call() throws Throwable {8throw new Exception("Thrown Exception");9}10};11Assertions.assertThatExceptionOfType(Exception.class).isThrownBy(callable).withMessage("Thrown Exception");12}13}14at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:99)15at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:37)16at TestException.testException(TestException.java:13)

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testException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class TestException {4 public void testException() {5 Assertions.assertThatThrownBy(() -> {6 throw new Exception("Test exception");7 }).isInstanceOf(Exception.class)8 .hasMessage("Test exception")9 .hasNoCause();10 }11}12Java Program to convert String to byte array using getBytes()13Java Program to convert byte array to String using new String()14Java Program to convert String to byte array using new String()15Java Program to convert byte array to String using new String()16Java Program to convert String to byte array using new String()17Java Program to convert byte array to String using new String()18Java Program to convert String to byte array using new String()

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testException

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1public class Test {2 public static void main(String[] args) {3 Assertions.assertThrows(Exception.class, () -> {4 throw new Exception("test");5 });6 }7}8at org.assertj.core.api.Assertions.assertThrows(Assertions.java:1254)9at org.assertj.core.api.Assertions.assertThrows(Assertions.java:1221)10at Test.main(Test.java:4)

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testException

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1import static org.assertj.core.api.Assertions.*;2public class Test {3 public static void main(String[] args) {4 Throwable throwable = catchThrowable(() -> {5 });6 assertThat(throwable).as("description of the test").isInstanceOf(MyException.class);7 }8}9import static org.junit.Assert.*;10import org.junit.Test;11public class Test {12 public void testException() {13 try {14 fail("Expected exception not thrown");15 } catch (MyException e) {16 }17 }18}19import org.junit.Rule;20import org.junit.Test;21import org.junit.rules.ExpectedException;22public class Test {23 public ExpectedException thrown = ExpectedException.none();24 public void testException() {25 thrown.expect(MyException.class);26 }27}28import static org.junit.jupiter.api.Assertions.*;29public class Test {30 public void testException() {31 assertThrows(MyException.class, () -> {32 });33 }34}35import org.testng.annotations.Test;36import static org.testng.Assert.*;37public class Test {38 public void testException() {39 try {40 fail("Expected exception not thrown");41 } catch (MyException e) {42 }43 }44}45import org.testng.annotations.Test;46public class Test {47 @Test(expectedExceptions = MyException.class)48 public void testException() {49 }50}51import org.testng.annotations.Test;52public class Test {53 @Test(expectedExceptions = MyException.class)54 public void testException() {

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testException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class TestException {4 public void shouldThrowException() {5 Assertions.assertThatThrownBy(() -> {6 throw new Exception("My Exception");7 }).isInstanceOf(Exception.class).hasMessage("My Exception");8 }9}10Your name to display (optional):11Your name to display (optional):12System.out.println("Exception thrown");13Your name to display (optional):

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testException

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class TestExceptionExample {4 public void testException() {5 Assertions.assertThatThrownBy(() -> {6 throw new Exception("exception message");7 }).isInstanceOf(Exception.class)8 .hasMessage("exception message");9 }10}11import org.junit.Test;12import org.junit.runner.JUnitCore;13import org.junit.runner.Result;14import org.junit.runner.notification.Failure;15public class TestRunner {16 public static void main(String[] args) {17 Result result = JUnitCore.runClasses(TestExceptionExample.class);18 for (Failure failure : result.getFailures()) {19 System.out.println(failure.toString());20 }21 System.out.println(result.wasSuccessful());22 }23}24 at org.junit.Assert.assertEquals(Assert.java:115)25 at org.junit.Assert.assertEquals(Assert.java:144)26 at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:87)27 at TestExceptionExample.testException(TestExceptionExample.java:12)28 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)29 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)30 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)31 at java.lang.reflect.Method.invoke(Method.java:498)32 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)33 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)34 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)35 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)36 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)37 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)38 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)39 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)40 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)41 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)42 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)

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testException

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1public void testException() {2 Assertions.assertThatThrownBy(() -> {3 }).isInstanceOf(Exception.class);4}5public void testException() {6 Assertions.assertThatThrownBy(() -> {7 }).isInstanceOf(Exception.class);8}9public void testException() {10 Assertions.assertThatThrownBy(() -> {11 }).isInstanceOf(Exception.class);12}13public void testException() {14 Assertions.assertThatThrownBy(() -> {15 }).isInstanceOf(Exception.class);16}17public void testException() {18 Assertions.assertThatThrownBy(() -> {19 }).isInstanceOf(Exception.class);20}21public void testException() {22 Assertions.assertThatThrownBy(() -> {23 }).isInstanceOf(Exception.class);24}25public void testException() {26 Assertions.assertThatThrownBy(() -> {27 }).isInstanceOf(Exception.class);28}29public void testException() {30 Assertions.assertThatThrownBy(() -> {31 }).isInstanceOf(Exception.class);32}

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testException

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1import org.assertj.core.api.Assertions;2import org.junit.jupiter.api.Test;3public class testException {4 public void testException() {5 Exception exception = Assertions.catchThrowable(() -> {6 throw new Exception("Error message");7 });8 Assertions.assertThat(exception).hasMessage("Error message");9 }10}112. assertThrows() method12assertThrows(Class<? extends Throwable> expectedType, Executable executable)13import org.junit.jupiter.api.Assertions;14import org.junit.jupiter.api.Test;15public class testException {16 public void testException() {17 Exception exception = Assertions.assertThrows(Exception.class, () -> {18 throw new Exception("Error message");19 });20 }21}223. assertDoesNotThrow() method23assertDoesNotThrow(Executable executable)24import org.junit.jupiter.api.Assertions;25import org.junit.jupiter.api.Test;26public class testException {27 public void testException() {28 Assertions.assertDoesNotThrow(() -> {29 throw new Exception("Error message");30 });31 }32}

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