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How to use assumeThatCode method of org.assertj.core.api.Assumptions class

Best Assertj code snippet using org.assertj.core.api.Assumptions.assumeThatCode

Source:AssumptionExamples.java

...13package org.assertj.examples;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.fail;16import static org.assertj.core.api.Assumptions.assumeThat;17import static org.assertj.core.api.Assumptions.assumeThatCode;18import static org.assertj.core.api.BDDAssumptions.given;19import static org.assertj.examples.data.Race.HOBBIT;20import static org.assertj.examples.data.Race.ORC;21import org.assertj.examples.data.TolkienCharacter;22import org.junit.AfterClass;23import org.junit.jupiter.api.Test;24public class AssumptionExamples extends AbstractAssertionsExamples {25  // the data used are initialized in AbstractAssertionsExamples.26  private static int ranTests = 0;27  @AfterClass28  public static void afterClass() {29    assertThat(ranTests).as("number of tests run").isEqualTo(2);30  }31  @Test32  public void when_assumption_is_not_met_the_test_should_be_ignored() {33    // since this assumption is obviously false ...34    assumeThat(frodo.getRace()).isEqualTo(ORC);35    // ... this assertion should not be performed.36    assertThat(fellowshipOfTheRing).contains(sauron);37    fail("should not arrive here");38  }39  @Test40  public void given_assumption_is_not_met_the_test_should_be_ignored() {41    // BDD style assumptions42    // since this assumption is obviously false ...43    given(frodo.getRace()).isEqualTo(ORC);44    // ... this assertion should not be performed.45    assertThat(fellowshipOfTheRing).contains(sauron);46    fail("should not arrive here");47  }48  @Test49  public void when_string_comparable_assumption_is_not_met_the_test_should_be_ignored() {50    // since this assumption is obviously false ...51    assumeThat(frodo.getName()).isGreaterThan("Gandalf");52    // ... this assertion should not be performed.53    assertThat(fellowshipOfTheRing).contains(sauron);54    fail("should not arrive here");55  }56  @Test57  public void when_assumption_is_met_the_test_should_be_run() {58    // since this assumption is true ...59    assumeThat(frodo.getRace()).isEqualTo(HOBBIT);60    // ... this assertion should be performed.61    assertThat(fellowshipOfTheRing).doesNotContain(sauron);62    ranTests++;63  }64  @Test65  public void when_all_assumptions_are_met_the_test_should_be_run() {66    // since this assumption is true ...67    assumeThat(frodo.getRace()).isEqualTo(HOBBIT)68                               .isNotEqualTo(ORC);69    // ... this assertion should be performed.70    assertThat(fellowshipOfTheRing).doesNotContain(sauron);71    ranTests++;72  }73  @Test74  public void can_use_extracting_feature_in_assumptions() {75    // since this assumption is obviously false ...76    assumeThat(fellowshipOfTheRing).extracting("race")77                                   .contains(ORC);78    // ... this assertion should not be performed.79    assertThat(fellowshipOfTheRing).contains(sauron);80    fail("should not arrive here");81  }82  @Test83  public void assumeThatCode_assumption_not_met_example() {84    // since this assumption is obviously false ...85    assumeThatCode(() -> fellowshipOfTheRing.get(1000)).doesNotThrowAnyException();86    // ... this assertion should not be performed.87    assertThat(fellowshipOfTheRing).contains(sauron);88    fail("should not arrive here");89  }90  @Test91  public void assumeThatCode_assumption_met_example() {92    // since the given code throws an ArrayIndexOutOfBoundsException ...93    assumeThatCode(() -> fellowshipOfTheRing.get(1000)).isInstanceOf(IndexOutOfBoundsException.class);94    // ... this assertion should be performed.95    assertThat(fellowshipOfTheRing).contains(frodo);96  }97  @Test98  public void all_assumptions_must_be_met_otherwise_the_test_is_ignored() {99    // since one of the assumptions is obviously false ...100    assumeThat(frodo.getRace()).isEqualTo(HOBBIT);101    assumeThat(fellowshipOfTheRing).extracting("race")102                                   .contains(ORC);103    // ... this assertion should not be performed.104    assertThat(fellowshipOfTheRing).contains(sauron);105    fail("should not arrive here");106  }107  @Test...

assumeThatCode

Using AI Code Generation

1Assumptions.assumeThatCode(()->{2})3.hasMessageContaining("error message")4.hasCauseInstanceOf(SomeException.class);5BDDAssumptions.assumeThatCode(()->{6})7.hasMessageContaining("error message")8.hasCauseInstanceOf(SomeException.class);9SoftAssertions softly = new SoftAssertions();10softly.assumeThatCode(()->{11})12.hasMessageContaining("error message")13.hasCauseInstanceOf(SomeException.class);14softly.assertAll();15SoftAssertions softly = new SoftAssertions();16softly.assumeThatCode(()->{17})18.hasMessageContaining("error message")19.hasCauseInstanceOf(SomeException.class);20softly.assertAll();

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