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How to use withThrowableThat method of org.assertj.core.api.WithThrowable class

Best Assertj code snippet using org.assertj.core.api.WithThrowable.withThrowableThat

Source:WithThrowable.java

...20  /**21   * Checks that the underlying throwable is of the given type and returns a {@link ThrowableAssertAlternative} to chain22   * further assertions on the underlying throwable.23   * <p>24   * Equivalent to {@code withThrowableThat().isInstanceOf(type)}25   * @param type the expected {@link Throwable} type26   * @return a {@link ThrowableAssertAlternative} built with underlying throwable.27   */28  public ThrowableAssertAlternative<?> withThrowableOfType(Class<? extends Throwable> type) {29    return withThrowableThat().isInstanceOf(type);30  }31  /**32   * Returns a {@link ThrowableAssertAlternative} to chain assertions on the underlying throwable.33   * @return a {@link ThrowableAssertAlternative} built with underlying throwable.34   */35  @CheckReturnValue36  public ThrowableAssertAlternative<?> withThrowableThat() {37    return new ThrowableAssertAlternative<>(throwable);38  }39}...

withThrowableThat

Using AI Code Generation

1import org.assertj.core.api.WithThrowable;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import java.util.function.Supplier;5public class WithThrowableTest {6    public void testWithThrowableThat() {7        Supplier<Throwable> supplier = () -> {8            return new RuntimeException("This is a test exception");9        };10        WithThrowable withThrowable = Assertions.withThrowable(supplier);11        withThrowable.withThrowableThat().isInstanceOfSatisfying(RuntimeException.class, (t) -> {12            Assertions.assertThat(t.getMessage()).isEqualTo("This is a test exception");13        });14    }15}16at org.junit.Assert.assertEquals(Assert.java:115)17at org.junit.Assert.assertEquals(Assert.java:144)18at org.junit.Assert.assertEquals(Assert.java:151)19at org.junit.Assert.assertEquals(Assert.java:158)20at com.baeldung.throwable.WithThrowableTest.testWithThrowableThat(WithThrowableTest.java:28)

withThrowableThat

Using AI Code Generation

1import org.assertj.core.api.WithThrowable;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class WithThrowableTest {5    public void withThrowableTest() {6        WithThrowable withThrowable = new WithThrowable() {7            public void callThrowable() throws Throwable {8                throw new Exception("Exception");9            }10        };11        assertThat(withThrowable).withThrowable().hasMessageContaining("Exception");12    }13}14	at org.assertj.core.internal.Throwables.assertHasMessageContaining(Throwables.java:179)15	at org.assertj.core.api.WithThrowableAssert.hasMessageContaining(WithThrowableAssert.java:79)16	at org.assertj.core.api.WithThrowableAssert.hasMessageContaining(WithThrowableAssert.java:47)17	at WithThrowableTest.withThrowableTest(WithThrowableTest.java:15)18	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)19	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)20	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)21	at java.base/java.lang.reflect.Method.invoke(Method.java:566)22	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)23	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)24	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)25	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)26	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)27	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)28	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)29	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)30	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)31	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)

withThrowableThat

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import java.io.IOException;3import org.junit.Test;4public class WithThrowableTest {5	public void testWithThrowable() {6		Throwable thrown = catchThrowable(() -> {7			throw new IOException("boom!");8		});9		assertThat(thrown).isInstanceOf(IOException.class).hasMessage("boom!");10	}11}12	at org.junit.Assert.fail(Assert.java:88)13	at org.junit.Assert.failNotEquals(Assert.java:834)14	at org.junit.Assert.assertSame(Assert.java:782)15	at org.junit.Assert.assertSame(Assert.java:792)16	at org.assertj.core.api.WithThrowableTest.testWithThrowable(WithThrowableTest.java:21)

withThrowableThat

Using AI Code Generation

1package org.assertj.core.api;2import java.util.function.Consumer;3import org.assertj.core.api.ThrowableAssert.ThrowingCallable;4import org.assertj.core.api.WithThrowable;5import org.assertj.core.api.WithThrowable;6public class WithThrowable {7    public static <T extends Throwable> WithThrowable withThrowableThat(ThrowingCallable shouldRaiseThrowable, Class<T>... expectedThrowable) {8        return new WithThrowable(shouldRaiseThrowable, expectedThrowable);9    }10    public static class WithThrowable {11        private final ThrowableAssert.ThrowingCallable shouldRaiseThrowable;12        private final Class<? extends Throwable>[] expectedThrowable;13        public WithThrowable(ThrowableAssert.ThrowingCallable shouldRaiseThrowable, Class<? extends Throwable>[] expectedThrowable) {14            this.shouldRaiseThrowable = shouldRaiseThrowable;15            this.expectedThrowable = expectedThrowable;16        }17        public <E extends Throwable> void isInstanceOf(Class<E> expectedType) {18            assertThatThrownBy(shouldRaiseThrowable)19                .isInstanceOf(expectedType);20        }21        public void hasMessage(String expectedMessage) {22            assertThatThrownBy(shouldRaiseThrowable)23                .hasMessage(expectedMessage);24        }25        public void hasMessageContaining(String expectedMessage) {26            assertThatThrownBy(shouldRaiseThrowable)27                .hasMessageContaining(expectedMessage);28        }29        public void hasMessageMatching(String expectedMessageRegex) {30            assertThatThrownBy(shouldRaiseThrowable)31                .hasMessageMatching(expectedMessageRegex);32        }33        public void hasCauseInstanceOf(Class<? extends Throwable> expectedCauseType) {34            assertThatThrownBy(shouldRaiseThrowable)35                .hasCauseInstanceOf(expectedCauseType);36        }37        public void hasCauseExactlyInstanceOf(Class<? extends Throwable> expectedCauseType) {38            assertThatThrownBy(shouldRaiseThrowable)39                .hasCauseExactlyInstanceOf(expectedCauseType);40        }41        public void hasCauseMessage(String expectedCauseMessage) {42            assertThatThrownBy(shouldRaiseThrowable)43                .hasCauseMessage(expectedCauseMessage);44        }45        public void hasCauseMessageContaining(String expectedCauseMessage) {46            assertThatThrownBy(shouldRaiseThrowable)47                .hasCauseMessageContaining(expectedCauseMessage);48        }49        public void hasCauseMessageMatching(String expectedCauseMessageRegex) {50            assertThatThrownBy(shouldRaiseThrowable)51                .hasCauseMessageMatching(expectedCauseMessageRegex);52        }53        public void satisfies(Consumer<? super Throwable> requirements) {54            assertThatThrownBy(shouldRaiseThrowable)55                .satisfies(requirements);

withThrowableThat

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.*;3public class TestWithThrowable {4    public void testWithThrowable() {5        assertThatThrownBy(() -> {6            throw new IllegalArgumentException("boom!");7        }).isInstanceOf(IllegalArgumentException.class)8                .hasMessageContaining("boom");9    }10}11at org.junit.Assert.assertEquals(Assert.java:115)12at org.junit.Assert.assertEquals(Assert.java:144)13at org.assertj.core.api.ThrowableAssertAlternative.isInstanceOf(ThrowableAssertAlternative.java:97)14at TestWithThrowable.testWithThrowable(TestWithThrowable.java:15)15import org.junit.Test;16import static org.assertj.core.api.Assertions.*;17public class TestWithThrowable {18    public void testWithThrowable() {19        assertThatThrownBy(() -> {20            throw new IllegalArgumentException("boom!");21        }).isInstanceOf(IllegalArgumentException.class)22                .hasMessageContaining("boom");23    }24}25at org.junit.Assert.assertEquals(Assert.java:115)26at org.junit.Assert.assertEquals(Assert.java:144)27at org.assertj.core.api.ThrowableAssertAlternative.isInstanceOf(ThrowableAssertAlternative.java:97)28at TestWithThrowable.testWithThrowable(TestWithThrowable.java:15)29import org.junit.Test;30import static org.assertj.core.api.Assertions.*;31public class TestWithThrowable {32    public void testWithThrowable() {33        assertThatThrownBy(() -> {34            throw new IllegalArgumentException("boom!");35        }).isInstanceOf(IllegalArgumentException.class)36                .hasMessageContaining("boom");37    }38}

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