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How to use ShouldNotBeInstance method of org.assertj.core.error.ShouldNotBeInstance class

Best Assertj code snippet using org.assertj.core.error.ShouldNotBeInstance.ShouldNotBeInstance

Source:ShouldNotBeInstance_create_Test.java

...12 */13package org.assertj.core.error;14import static java.lang.String.format;15import static org.assertj.core.api.BDDAssertions.then;16import static org.assertj.core.error.ShouldNotBeInstance.shouldNotBeInstance;17import static org.assertj.core.util.Throwables.getStackTrace;18import org.assertj.core.internal.TestDescription;19import org.assertj.core.presentation.StandardRepresentation;20import org.junit.jupiter.api.Test;21/**22 * Tests for <code>{@link ShouldNotBeInstance#create(org.assertj.core.description.Description, org.assertj.core.presentation.Representation)}</code>.23 *24 * @author Nicolas FranÃ§ois25 */26class ShouldNotBeInstance_create_Test {27  @Test28  void should_create_error_message() {29    // GIVEN30    ErrorMessageFactory factory = shouldNotBeInstance("Yoda", String.class);31    // WHEN32    String message = factory.create(new TestDescription("Test"), new StandardRepresentation());33    // THEN34    then(message).isEqualTo(format("[Test] %n" +35                                   "Expecting actual:%n" +36                                   "  \"Yoda\"%n" +37                                   "not to be an instance of: java.lang.String"));38  }39  @Test40  void should_create_error_message_with_stack_trace_for_throwable() {...

ShouldNotBeInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldNotBeInstance;3import org.assertj.core.presentation.StandardRepresentation;4import org.junit.jupiter.api.Test;5public class ShouldNotBeInstanceTest {6    public void should_create_error_message() {7        String message = ShouldNotBeInstance.shouldNotBeInstance("Yoda", String.class).create(new StandardRepresentation());8        Assertions.assertThat(message).isEqualTo(String.format("[TEST] %nExpecting:%n <\"Yoda\">%nnot to be an instance of:%n <java.lang.String>"));9    }10}11	at org.junit.Assert.assertEquals(Assert.java:117)12	at org.junit.Assert.assertEquals(Assert.java:146)13	at org.assertj.core.error.ShouldNotBeInstanceTest.should_create_error_message(ShouldNotBeInstanceTest.java:15)

ShouldNotBeInstance

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4import static org.assertj.core.util.FailureMessages.actualIsNull;5public class ShouldNotBeInstanceTest {6  public void should_create_error_message() {7    String errorMessage = ShouldNotBeInstance.shouldNotBeInstance("Yoda", Jedi.class).create();8    assertThat(errorMessage).isEqualTo(String.format("[TEST] %nExpecting:%n <%s>%nnot to be an instance of:%n <%s>", "Yoda", Jedi.class));9  }10  public void should_create_error_message_with_custom_comparison_strategy() {11    String errorMessage = ShouldNotBeInstance.shouldNotBeInstance("Yoda", Jedi.class).create(new TestComparisonStrategy());12    assertThat(errorMessage).isEqualTo(String.format("[TEST] %nExpecting:%n <%s>%nnot to be an instance of:%n <%s>", "Yoda", Jedi.class));13  }14  public void should_throw_error_if_actual_is_null() {15    Class<Jedi> type = Jedi.class;16    AssertionError error = expectAssertionError(() -> assertThat((String) null).isNotInstanceOf(type));17    assertThat(error).hasMessage(actualIsNull());18  }19  public void should_fail_if_actual_is_instance_of_type() {20    String actual = "Yoda";21    Class<String> type = String.class;22    AssertionError error = expectAssertionError(() -> assertThat(actual).isNotInstanceOf(type));23    assertThat(error).hasMessage(ShouldNotBeInstance.shouldNotBeInstance(actual, type).create());24  }25  public void should_fail_if_actual_is_instance_of_type_with_custom_comparison_strategy() {26    String actual = "Yoda";27    Class<String> type = String.class;28    AssertionError error = expectAssertionError(() -> assertThat(actual).usingComparisonStrategy(new TestComparisonStrategy()).isNotInstanceOf(type));29    assertThat(error).hasMessage(ShouldNotBeInstance.shouldNotBeInstance(actual, type).create(new TestComparisonStrategy()));30  }

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