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

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

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...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...

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assumeThatCode

Using AI Code Generation

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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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