How to use Assertions_assertThatCode_Test class of org.assertj.core.api package

Best Assertj code snippet using org.assertj.core.api.Assertions_assertThatCode_Test

Source:Assertions_assertThatCode_Test.java

...17import org.assertj.core.api.ThrowableAssert.ThrowingCallable;18import org.assertj.core.test.ExpectedException;19import org.junit.Rule;20import org.junit.Test;21public class Assertions_assertThatCode_Test {22  @Rule23  public ExpectedException thrown = none();24  @Test25  public void can_invoke_late_assertion_on_assertThatCode() {26    // Given27    ThrowingCallable boom = raisingException("boom");28    // Then29    assertThatCode(boom).isInstanceOf(Exception.class)30                        .hasMessageContaining("boom");31  }32  @Test33  public void should_fail_when_asserting_no_exception_raised_but_exception_occurs() {34    // Given35    Exception exception = new Exception("boom");36    ThrowingCallable boom = raisingException(exception);37    // Expect38    thrown.expectAssertionError(shouldNotHaveThrown(exception));39    // When40    assertThatCode(boom).doesNotThrowAnyException();41  }42  @Test43  public void can_use_description_in_error_message() {44    // Given45    ThrowingCallable boom = raisingException("boom");46    // Expect47    thrown.expectWithMessageStartingWith(AssertionError.class, "[Test]");48    // When49    assertThatCode(boom).as("Test").doesNotThrowAnyException();50  }51  @Test52  public void error_message_contains_stacktrace() {53    // Given54    Exception exception = new Exception("boom");55    ThrowingCallable boom = raisingException(exception);56    // Expect57    thrown.expectAssertionErrorWithMessageContaining(58      "java.lang.Exception: boom",59      "at org.assertj.core.api.Assertions_assertThatCode_Test.error_message_contains_stacktrace"60    );61    // When62    assertThatCode(boom).doesNotThrowAnyException();63  }64  @Test65  public void should_succeed_when_asserting_no_exception_raised_and_no_exception_occurs() {66    // Given67    ThrowingCallable silent = () -> {68    };69    // Then70    assertThatCode(silent).doesNotThrowAnyException();71  }72  private ThrowingCallable raisingException(final String reason) {73    return raisingException(new Exception(reason));...

Assertions_assertThatCode_Test

Using AI Code Generation

1package org.assertj.core.api;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatCode;4import java.io.File;5import java.io.IOException;6import org.junit.Test;7public class Assertions_assertThatCode_Test {8  public void should_be_able_to_use_assertThatCode_with_no_exception_thrown() {9    assertThatCode(() -> {10    }).doesNotThrowAnyException();11  }12  public void should_be_able_to_use_assertThatCode_with_expected_exception_thrown() {13    assertThatCode(() -> {14      throw new IOException("boom!");15    }).isInstanceOf(IOException.class)16      .hasMessageContaining("boom");17  }18  public void should_be_able_to_use_assertThatCode_with_unexpected_exception_thrown() {19    assertThatCode(() -> {20      throw new IllegalStateException("boom!");21    }).isInstanceOf(IOException.class)22      .hasMessageContaining("boom");23  }24  public void should_be_able_to_use_assertThatCode_with_no_exception_thrown_and_asserting_thrown_exception() {25    assertThatCode(() -> {26    }).doesNotThrowAnyException()27      .hasNoCause();28  }29  public void should_be_able_to_use_assertThatCode_with_expected_exception_thrown_and_asserting_thrown_exception() {30    assertThatCode(() -> {31      throw new IOException("boom!", new IllegalStateException("boom 2!"));32    }).isInstanceOf(IOException.class)33      .hasMessageContaining("boom")34      .hasCauseInstanceOf(IllegalStateException.class)35      .hasRootCauseMessage("boom 2!");36  }37  public void should_be_able_to_use_assertThatCode_with_unexpected_exception_thrown_and_asserting_thrown_exception() {38    assertThatCode(() -> {39      throw new IllegalStateException("boom!", new IOException("boom 2!"));40    }).isInstanceOf(IOException.class)41      .hasMessageContaining("boom")42      .hasCauseInstanceOf(IllegalStateException.class)43      .hasRootCauseMessage("boom 2!");44  }45  public void should_be_able_to_use_assertThatCode_with_expected_exception_thrown_and_asserting_thrown_exception_with_null_cause() {46    assertThatCode(() -> {47      throw new IOException("boom!", null);48    }).isInstanceOf(IOException.class)49      .hasMessageContaining("boom")

Assertions_assertThatCode_Test

Using AI Code Generation

1import org.assertj.core.api.Assertions.*;2import org.assertj.core.api.Assertions_assertThatCode_Test.*;3import org.assertj.core.api.ThrowableAssert.ThrowingCallable;4import static org.assertj.core.api.Assertions.assertThatCode;5import static org.assertj.core.api.Assertions.assertThatThrownBy;6public class Assertions_assertThatCode_Test {7    public static void main(String[] args) {8        assertThatCode(new ThrowingCallable() {9            public void call() throws Throwable {10            }11        }).doesNotThrowAnyException();12        assertThatThrownBy(new ThrowingCallable() {13            public void call() throws Throwable {14            }15        }).isInstanceOf(Exception.class);16    }17}18	at org.assertj.core.api.Assertions.assertThatCode(Assertions.java:1188)19	at org.assertj.core.api.Assertions_assertThatCode_Test.main(Assertions_assertThatCode_Test.java:12)

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