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

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

Source:CatchExceptionAssertJ.java

...76     *            <code>null</code>.77     * @return Returns a proxy for the given object. The proxy catches78     *         exceptions of the given type when a method on the proxy is79     *         called.80     * @see CatchException#catchException(Object)81     */82    public static <T> T when(T obj) {83        return CatchException.catchException(obj);84    }8586    /**87     * Throws an assertion if no exception is thrown or if an exception of an88     * unexpected type is thrown.89     * <p>90     * EXAMPLE:91     * <code><pre class="prettyprint lang-java">// given a list with nine members92List myList = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9);9394// when we try to get the 500th member of the fellowship95when(myList).get(500);9697// then we expect an IndexOutOfBoundsException
...

Source:Assertions_catchException_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.catchException;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_catchException_Test {23  @Test24  void catchException_should_fail_with_good_message_if_wrong_type() {25    // GIVEN26    ThrowingCallable code = () -> catchException(raisingThrowable("boom!!"));27    // WHEN28    AssertionError assertionError = expectAssertionError(code);29    // THEN30    assertThat(assertionError).hasMessageContainingAll(Exception.class.getName(), Throwable.class.getName());31  }32  @Test33  void catchException_should_succeed_and_return_actual_instance_with_correct_class() {34    // GIVEN35    final Exception expected = new Exception("boom!!");36    // WHEN37    Exception actual = catchException(codeThrowing(expected));38    // THEN39    then(actual).isSameAs(expected);40  }41  @Test42  void catchException_should_succeed_and_return_null_if_no_exception_thrown() {43    // WHEN44    Exception actual = catchException(() -> {});45    // THEN46    then(actual).isNull();47  }48  @Test49  void catchException_should_catch_mocked_throwable() {50    // GIVEN51    Exception exception = mock(Exception.class);52    // WHEN53    Throwable actual = catchException(codeThrowing(exception));54    // THEN55    then(actual).isSameAs(exception);56  }57  static ThrowingCallable raisingThrowable(final String reason) {58    return codeThrowing(new Throwable(reason));59  }60}...

catchException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import java.io.IOException;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.api.Assertions.catchThrowable;6public class Test1 {7    public void test1() throws IOException {8        Throwable thrown = catchThrowable(() -> {9            throw new IOException("boom!");10        });11        assertThat(thrown).isInstanceOf(IOException.class).hasMessage("boom!");12    }13}14	at Test1.main(Test1.java:4)15	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)16	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)17	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)18	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)

catchException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2public class Test {3    public static void main(String[] args) {4        Assertions.assertThatExceptionOfType(NullPointerException.class)5                .isThrownBy(() -> {6                    throw new NullPointerException();7                })8                .withMessage("NullPointerException");9    }10}11at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1287)12at Test.main(Test.java:7)13import org.assertj.core.api.Assertions;14public class Test {15    public static void main(String[] args) {16        Assertions.assertThatExceptionOfType(NullPointerException.class)17                .isThrownBy(() -> {18                    throw new NullPointerException();19                })20                .withMessage("NullPointerException");21    }22}23at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1287)24at Test.main(Test.java:7)25import org.assertj.core.api.Assertions;26public class Test {27    public static void main(String[] args) {28        Assertions.assertThatExceptionOfType(NullPointerException.class)29                .isThrownBy(() -> {30                    throw new NullPointerException();31                })32                .withMessage("NullPointerException");33    }34}35at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1287)36at Test.main(Test.java:7)37import org.assertj.core.api.Assertions;38public class Test {39    public static void main(String[] args) {40        Assertions.assertThatExceptionOfType(NullPointerException.class)41                .isThrownBy(() -> {42                    throw new NullPointerException();43                })44                .withMessage("NullPointerException");45    }46}

catchException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.catchThrowable;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class AssertJTest {5    public void testException() {6        Throwable thrown = catchThrowable(() -> {7            throw new IllegalArgumentException("boom");8        });9        assertThat(thrown).isInstanceOf(IllegalArgumentException.class)10                .hasMessageContaining("boom");11    }12}13import static org.assertj.core.api.Assertions.catchThrowable;14import org.junit.Test;15import static org.assertj.core.api.Assertions.assertThat;16public class AssertJTest {17    public void testException() {18        Throwable thrown = catchThrowable(() -> {19            throw new IllegalArgumentException("boom");20        });21        assertThat(thrown).isInstanceOf(IllegalArgumentException.class);22        assertThat(thrown.getMessage()).contains("boom");23    }24}25import static org.assertj.core.api.Assertions.catchThrowable;26import org.junit.Test;27import static org.assertj.core.api.Assertions.assertThat;28public class AssertJTest {29    public void testException() {30        Throwable thrown = catchThrowable(() -> {31            throw new IllegalArgumentException("boom");32        });33        assertThat(thrown).isInstanceOf(IllegalArgumentException.class);34        assertThat(thrown.getMessage()).isEqualTo("boom");35    }36}37import static org.assertj.core.api.Assertions.catchThrowable;38import org.junit.Test;39import static org.assertj.core.api.Assertions.assertThat;40public class AssertJTest {41    public void testException() {42        Throwable thrown = catchThrowable(() -> {43            throw new IllegalArgumentException("

catchException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import static org.assertj.core.api.Assertions.catchException;4public class App {5    public void testCatchException() {6        Exception exception = catchException(() -> {7            throw new RuntimeException("run time exception");8        });9        Assertions.assertThat(exception).hasMessage("run time exception");10    }11}12at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:93)13at org.assertj.core.api.Assertions_hasMessage_Test.testCatchException(Assertions_hasMessage_Test.java:13)14at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)15at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)16at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)17at java.lang.reflect.Method.invoke(Method.java:498)18at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)19at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)20at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)21at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)22at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)23at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)24at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)25at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)26at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)27at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)28at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)29at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)30at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)31at org.junit.runners.ParentRunner.run(ParentRunner.java:363)32at org.junit.runner.JUnitCore.run(JUnitCore.java:137)33at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTest

catchException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import java.io.IOException;4public class Test1 {5    public void test1() throws Exception {6        Assertions.assertThatExceptionOfType(IOException.class)7                .isThrownBy(() -> {8                    throw new IOException("some message");9                }).withMessage("some message");10    }11}12import org.junit.jupiter.api.Assertions;13import org.junit.jupiter.api.Test;14import java.io.IOException;15public class Test2 {16    public void test1() throws Exception {17        IOException exception = Assertions.assertThrows(IOException.class, () -> {18            throw new IOException("some message");19        });20        Assertions.assertEquals("some message", exception.getMessage());21    }22}233. assertThrows() method of org.junit.jupiter.api.Assertions class24public static <T extends Throwable> T assertThrows(Class<T> expectedType, Executable executable)25public static <T extends Throwable> T assertThrows(Class<T> expectedType, Executable executable, String message)26public static <T extends Throwable> T assertThrows(Class<T> expectedType, Executable executable, Supplier<String> messageSupplier)27public static <T extends Throwable> T assertThrows(Class<T> expectedType, Exec

catchException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import java.io.IOException;3import org.junit.Test;4public class AssertJTest {5    public void test() {6        Exception exception = catchThrowableOfType(() -> {7            throw new IOException("io exception");8        }, IOException.class);9        assertThat(exception).isInstanceOf(IOException.class);10    }11}12Related Posts: AssertJ - catchThrowableOfType() method example13AssertJ - catchThrowable() method example14AssertJ - assertThatThrownBy() method example15AssertJ - assertThatNullPointerException() method example16AssertJ - assertThatExceptionOfType() method example17AssertJ - assertThatIllegalArgumentException() method example18AssertJ - assertThatIllegalStateException() method example19AssertJ - assertThatCode() method example20AssertJ - assertThat() method example21AssertJ - assertThatObject() method example22AssertJ - assertThatString() method example23AssertJ - assertThatIterable() method example24AssertJ - assertThatMap() method example25AssertJ - assertThatList() method example26AssertJ - assertThatArray() method example27AssertJ - assertThatBoolean() method example28AssertJ - assertThatDouble() method example29AssertJ - assertThatFloat() method example30AssertJ - assertThatInteger() method example31AssertJ - assertThatLong() method example32AssertJ - assertThatShort() method example33AssertJ - assertThatByte() method example34AssertJ - assertThatCharacter() method example35AssertJ - assertThatDate() method example36AssertJ - assertThatFile() method example37AssertJ - assertThatInputStream() method example38AssertJ - assertThatURL() method example39AssertJ - assertThatClass() method example40AssertJ - assertThatBigDecimal() method example41AssertJ - assertThatBigInteger() method example42AssertJ - assertThatLocalDate() method example43AssertJ - assertThatLocalDateTime() method example44AssertJ - assertThatLocalTime() method example45AssertJ - assertThatOffsetDateTime() method example46AssertJ - assertThatOffsetTime() method example47AssertJ - assertThatZonedDateTime() method example48AssertJ - assertThatInstant() method example49AssertJ - assertThatDuration() method example50AssertJ - assertThatPeriod() method example51AssertJ - assertThatPath() method example52AssertJ - assertThatFile() method example53AssertJ - assertThatInputStream()

catchException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import java.io.*;3import java.util.*;4import java.util.function.*;5import java.util.stream.*;6import java.util.concurrent.*;7import java.util.regex.*;8import java.util.concurrent.atomic.AtomicInteger;9import java.util.concurrent.atomic.AtomicLong;10import java.util.concurrent.atomic.AtomicReference;11import java.util.concurrent.atomic.AtomicReferenceArray;12import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;13import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;14import java.util.concurrent.atomic.AtomicLongFieldUpdater;15import java.util.concurrent.atomic.AtomicMarkableReference;16import java.util.concurrent.atomic.AtomicStampedReference;17import java.util.concurrent.locks.*;18import java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject;19import java.util.concurrent.locks.ReentrantLock;20import java.util.concurrent.locks.ReentrantReadWriteLock;21import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;22import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;23import java.util.concurrent.locks.StampedLock;24import java.util.concurrent.locks.LockSupport;25import java.util.concurrent.locks.Condition;26import java.util.concurrent.locks.Lock;27import java.util.concurrent.locks.AbstractOwnableSynchronizer;28import java.util.concurrent.locks.AbstractQueuedSynchronizer;29import java.util.concurrent.locks.LockSupport;30import java.util.concurrent.locks.Condition;31import java.util.concurrent.locks.Lock;32import java.util.concurrent.locks.AbstractOwnableSynchronizer;33import java.util.concurrent.locks.AbstractQueuedSynchronizer;34import java.util.concurrent.locks.LockSupport;35import java.util.concurrent.locks.Condition;36import java.util.concurrent.locks.Lock;37import java.util.concurrent.locks.AbstractOwnableSynchronizer;38import java.util.concurrent.locks.AbstractQueuedSynchronizer;39import java.util.concurrent.locks.LockSupport;40import java.util.concurrent.locks.Condition;41import java.util.concurrent.locks.Lock;42import java.util.concurrent.locks.AbstractOwnableSynchronizer;43import java.util.concurrent.locks.AbstractQueuedSynchronizer;44import java.util.concurrent.locks.LockSupport;45import java.util.concurrent.locks.Condition;46import java.util.concurrent.locks.Lock;47import java.util.concurrent.locks.AbstractOwnableSynchronizer;48import java.util.concurrent.locks.AbstractQueuedSynchronizer;49import java.util.concurrent.locks.LockSupport;50import java.util.concurrent.locks.Condition;51import java.util.concurrent.locks.Lock;52import java.util.concurrent.locks.AbstractOwnableSynchronizer;53import java.util.concurrent.locks.AbstractQueued

catchException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class Test1 {4   public void test() {5      try {6         throw new Exception("Exception");7      } catch (Exception e) {8         assertThatExceptionOfType(Exception.class).isThrownBy(() -> {9            throw new Exception("Exception");10         }).withMessage("Exception");11      }12   }13}14at org.junit.Assert.assertEquals(Assert.java:115)15at org.junit.Assert.assertEquals(Assert.java:144)16at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:86)17at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:68)18at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:37)19at Test1.test(Test1.java:13)20at org.assertj.core.api.AssertionsForClassTypes.failBecauseExceptionWasNotThrown(AssertionsForClassTypes.java:107)21at org.assertj.core.api.AssertionsForClassTypes.assertThatCode(AssertionsForClassTypes.java:101)22at org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy(AssertionsForClassTypes.java:91)23at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1956)24at Test1.test(Test1.java:13)25import static org.assertj.core.api.Assertions.*;26import org.junit.Test;27public class Test1 {28   public void test() {29      try {30         throw new Exception("Exception");31      } catch (Exception e) {32         Exception exception = assertThatExceptionOfType(Exception.class).isThrownBy(() -> {33            throw new Exception("Exception");34         }).withMessage("Exception").catchThrowable();35         System.out.println(exception);36      }37   }38}39at Test1.test(Test1.java:14)

catchException

Using AI Code Generation

1package com.automationfraternity.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.fail;5import org.junit.Test;6public class AssertJTest {7    public void shouldThrowException() {8        Exception exception = null;9        try {10            throw new Exception("Exception occurred");11        } catch (Exception e) {12            exception = e;13        }14        assertThat(exception).isNotNull();15    }16    public void shouldThrowExceptionWithCatchException() {17        Exception exception = null;18        exception = catchThrowable(() -> {19            throw new Exception("Exception occurred");20        }).as("Exception occurred").isInstanceOf(Exception.class).hasMessage("Exception occurred");21        assertThat(exception).isNotNull();22    }23    public void shouldThrowExceptionWithCatchExceptionAndFail() {24        Exception exception = null;25        exception = catchThrowable(() -> {26            throw new Exception("Exception occurred");27        }).as("Exception occurred").isInstanceOf(Exception.class).hasMessage("Exception occurred");28        assertThat(exception).isNotNull();29        fail("Test failed");30    }31}32        exception = catchThrowable(() -> {33package com.automationfraternity.assertj;34import static org.assertj.core.api.Assertions.assertThat;35import static org.assertj.core.api.Assertions.catchThrowable;36import static org.assertj.core.api.Assertions.catchThrowableOfType;37import static org.assertj.core.api.Assertions.fail;38import org.junit.Test;39public class AssertJTest {40    public void shouldThrowException() {41        Exception exception = null;42        try {43            throw new Exception("Exception occurred");44        } catch (Exception e) {45            exception = e;46        }47        assertThat(exception).isNotNull();48    }49    public void shouldThrowExceptionWithCatchException() {50        Exception exception = null;51        exception = catchThrowable(() -> {52            throw new Exception("Exception occurred");53        }).as("Exception occurred").isInstanceOf(Exception.class).hasMessage("Exception occurred");54        assertThat(exception).isNotNull();55        fail("Test failed");56    }57}58        exception = catchThrowable(() -> {59package com.automationfraternity.assertj;60import static org.assertj.core.api.Assertions.assertThat;61import static org.assertj.core.api.Assertions.catchThrowable;62import static org.assertj.core.api.Assertions.catchThrowableOfType;63import static org.assertj.core.api.Assertions.fail;64import org.junit.Test;65public class AssertJTest {66    public void shouldThrowException() {67        Exception exception = null;68        try {69            throw new Exception("Exception occurred");70        } catch (Exception e) {71            exception = e;72        }73        assertThat(exception).isNotNull();74    }75    public void shouldThrowExceptionWithCatchException() {76import static org.assertj.core.api.Assertions.catchThrowable;77import org.junit.Test;78import static org.assertj.core.api.Assertions.assertThat;79public class AssertJTest {80    public void testException() {81        Throwable thrown = catchThrowable(() -> {82            throw new IllegalArgumentException("boom");83        });84        assertThat(thrown).isInstanceOf(IllegalArgumentException.class);85        assertThat(thrown.getMessage()).contains("boom");86    }87}88import static org.assertj.core.api.Assertions.catchThrowable;89import org.junit.Test;90import static org.assertj.core.api.Assertions.assertThat;91public class AssertJTest {92    public void testException() {93        Throwable thrown = catchThrowable(() -> {94            throw new IllegalArgumentException("boom");95        });96        assertThat(thrown).isInstanceOf(IllegalArgumentException.class);97        assertThat(thrown.getMessage()).isEqualTo("boom");98    }99}100import static org.assertj.core.api.Assertions.catchThrowable;101import org.junit.Test;102import static org.assertj.core.api.Assertions.assertThat;103public class AssertJTest {104    public void testException() {105        Throwable thrown = catchThrowable(() -> {106            throw new IllegalArgumentException("

catchException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class Test1 {4   public void test() {5      try {6         throw new Exception("Exception");7      } catch (Exception e) {8         assertThatExceptionOfType(Exception.class).isThrownBy(() -> {9            throw new Exception("Exception");10         }).withMessage("Exception");11      }12   }13}14at org.junit.Assert.assertEquals(Assert.java:115)15at org.junit.Assert.assertEquals(Assert.java:144)16at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:86)17at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:68)18at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:37)19at Test1.test(Test1.java:13)20at org.assertj.core.api.AssertionsForClassTypes.failBecauseExceptionWasNotThrown(AssertionsForClassTypes.java:107)21at org.assertj.core.api.AssertionsForClassTypes.assertThatCode(AssertionsForClassTypes.java:101)22at org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy(AssertionsForClassTypes.java:91)23at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1956)24at Test1.test(Test1.java:13)25import static org.assertj.core.api.Assertions.*;26import org.junit.Test;27public class Test1 {28   public void test() {29      try {30         throw new Exception("Exception");31      } catch (Exception e) {32         Exception exception = assertThatExceptionOfType(Exception.class).isThrownBy(() -> {33            throw new Exception("Exception");34         }).withMessage("Exception").catchThrowable();35         System.out.println(exception);36      }37   }38}39at Test1.test(Test1.java:14)

catchException

Using AI Code Generation

1package com.automationfraternity.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.fail;5import org.junit.Test;6public class AssertJTest {7    public void shouldThrowException() {8        Exception exception = null;9        try {10            throw new Exception("Exception occurred");11        } catch (Exception e) {12            exception = e;13        }14        assertThat(exception).isNotNull();15    }16    public void shouldThrowExceptionWithCatchException() {17        Exception exception = null;18        exception = catchThrowable(() -> {19            throw new Exception("Exception occurred");20        }).as("Exception occurred").isInstanceOf(Exception.class).hasMessage("Exception occurred");21        assertThat(exception).isNotNull();22    }23    public void shouldThrowExceptionWithCatchExceptionAndFail() {24        Exception exception = null;25        exception = catchThrowable(() -> {26            throw new Exception("Exception occurred");27        }).as("Exception occurred").isInstanceOf(Exception.class).hasMessage("Exception occurred");28        assertThat(exception).isNotNull();29        fail("Test failed");30    }31}32        exception = catchThrowable(() -> {33package com.automationfraternity.assertj;34import static org.assertj.core.api.Assertions.assertThat;35import static org.assertj.core.api.Assertions.catchThrowable;36import static org.assertj.core.api.Assertions.catchThrowableOfType;37import static org.assertj.core.api.Assertions.fail;38import org.junit.Test;39public class AssertJTest {40    public void shouldThrowException() {41        Exception exception = null;42        try {43            throw new Exception("Exception occurred");44        } catch (Exception e) {45            exception = e;46        }47        assertThat(exception).isNotNull();48    }49    public void shouldThrowExceptionWithCatchException() {

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