How to use setUp method of org.assertj.core.matcher.AssertionMatcher_matches_Test class

Best Assertj code snippet using org.assertj.core.matcher.AssertionMatcher_matches_Test.setUp

Source:AssertionMatcher_matches_Test.java

...36  private boolean removeAssertJRelatedElementsFromStackTrace;37  /**38   * Stacktrace filtering must be disabled in order to check frames in39   * {@link this#matcher_should_fill_description_when_assertion_fails()}.40   * I use setUp and tearDown methods to ensure that it is set to original value after a test.41   */42  @BeforeEach43  public void setUp() {44    removeAssertJRelatedElementsFromStackTrace = Failures.instance().isRemoveAssertJRelatedElementsFromStackTrace();45    Failures.instance().setRemoveAssertJRelatedElementsFromStackTrace(false);46  }47  @AfterEach48  public void tearDown() {49    Failures.instance().setRemoveAssertJRelatedElementsFromStackTrace(removeAssertJRelatedElementsFromStackTrace);50  }51  @Test52  void matcher_should_pass_when_assertion_passes() {53    assertThat(isZeroMatcher.matches(ZERO)).isTrue();54  }55  @Test56  void matcher_should_not_fill_description_when_assertion_passes() {57    Description description = mock(Description.class);58    assertThat(isZeroMatcher.matches(ZERO)).isTrue();59    isZeroMatcher.describeTo(description);60    verifyNoInteractions(description);61  }62  @Test63  void matcher_should_fail_when_assertion_fails() {64    assertThat(isZeroMatcher.matches(ONE)).isFalse();65  }66  /**67   * {@link Failures#removeAssertJRelatedElementsFromStackTrace} must be set to true68   * in order for this test to pass. It is in {@link this#setUp()}.69   */70  @Test71  void matcher_should_fill_description_when_assertion_fails() {72    Description description = mock(Description.class);73    assertThat(isZeroMatcher.matches(ONE)).isFalse();74    isZeroMatcher.describeTo(description);75    verify(description).appendText("AssertionError with message: ");76    verify(description).appendText(shouldBeEqualMessage("1", "0"));77    verify(description).appendText(format("%n%nStacktrace was: "));78    // @format:off79    verify(description).appendText(argThat(new ArgumentMatcher<String>() {80      @Override81      public boolean matches(String s) {82        return s.contains(format("%nexpected: 0%n but was: 1"))...

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