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How to use shouldNotBeAnnotation method of org.assertj.core.error.ShouldBeAnnotation class

Best Assertj code snippet using org.assertj.core.error.ShouldBeAnnotation.shouldNotBeAnnotation

Source:ShouldBeAnnotation.java

...31   *32   * @param actual the actual value in the failed assertion.33   * @return the created {@code ErrorMessageFactory}.34   */35  public static ErrorMessageFactory shouldNotBeAnnotation(Class<?> actual) {36    return new ShouldBeAnnotation(actual, false);37  }38  private ShouldBeAnnotation(Class<?> actual, boolean toBeOrNotToBe) {39    super("%nExpecting%n <%s>%nto " + (toBeOrNotToBe ? "" : " not ") + "be an annotation", actual);40  }41}...

shouldNotBeAnnotation

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import static org.assertj.core.error.ShouldBeAnnotation.shouldNotBeAnnotation;4import java.lang.annotation.Annotation;5import java.lang.annotation.Retention;6import java.lang.annotation.RetentionPolicy;7import org.assertj.core.api.ThrowableAssert.ThrowingCallable;8import org.junit.jupiter.api.Test;9class ShouldBeAnnotation_create_Test {10  void should_create_error_message() {11    Annotation actual = new MyAnnotation();12    String message = shouldNotBeAnnotation(actual).create();13    assertThat(message).isEqualTo(String.format("[Test] %n" +14                                                 "to be an annotation."));15  }16  void should_create_error_message_with_custom_comparison_strategy() {17    Annotation actual = new MyAnnotation();18    String message = shouldNotBeAnnotation(actual).create(new TestComparisonStrategy());19    assertThat(message).isEqualTo(String.format("[Test] %n" +20                                                 "to be an annotation."));21  }22  void should_fail_if_actual_is_null() {23    Annotation actual = null;24    ThrowingCallable code = () -> assertThat(actual).isAnnotation();25    assertThatExceptionOfType(AssertionError.class).isThrownBy(code)26                                                   .withMessage(shouldNotBeAnnotation(actual).create());27  }28  void should_fail_if_actual_is_null_with_custom_comparison_strategy() {29    Annotation actual = null;30    ThrowingCallable code = () -> assertThat(actual).usingComparatorForType(ALWAY_EQUALS_STRING, String.class)31                                                    .isAnnotation();32    assertThatExceptionOfType(AssertionError.class).isThrownBy(code)33                                                   .withMessage(shouldNotBeAnnotation(actual).create());34  }35  @Retention(RetentionPolicy.RUNTIME)36  @interface MyAnnotation {37  }38}

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