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How to use shouldContainInstanceOf method of org.assertj.core.error.OptionalShouldContainInstanceOf class

Best Assertj code snippet using org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf

Source:OptionalShouldContainInstanceOf_create_Test.java

...16import org.junit.jupiter.api.Test;17public class OptionalShouldContainInstanceOf_create_Test {18    @Test19    public void should_create_error_message_with_empty() {20        String errorMessage = OptionalShouldContainInstanceOf.shouldContainInstanceOf(Optional.empty(), Object.class).create();21        Assertions.assertThat(errorMessage).isEqualTo(String.format(("%nExpecting:%n <Optional>%n" + ("to contain a value that is an instance of:%n <java.lang.Object>%n" + "but was empty"))));22    }23    @Test24    public void should_create_error_message_with_expected_type() {25        String errorMessage = OptionalShouldContainInstanceOf.shouldContainInstanceOf(Optional.of(Integer.MIN_VALUE), String.class).create();26        Assertions.assertThat(errorMessage).isEqualTo(String.format(("%nExpecting:%n <Optional>%n" + ("to contain a value that is an instance of:%n <java.lang.String>%n" + "but did contain an instance of:%n <java.lang.Integer>"))));27    }28}...

shouldContainInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions.assertThat;2import java.util.Optional;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.catchThrowable;5import static org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf;6import static org.assertj.core.util.AssertionsUtil.expectAssertionError;7import static org.assertj.core.util.FailureMessages.actualIsNull;8import static org.mockito.Mockito.verify;9import org.junit.jupiter.api.Test;10import org.junit.jupiter.api.DisplayName;11import org.junit.jupiter.api.Nested;12import org.junit.jupiter.api.TestInfo;13import org.junit.jupiter.api.TestReporter;14import org.junit.jupiter.api.extension.ExtendWith;15import org.junit.jupiter.api.extension.ExtensionContext;16import org.mockito.Mock;17import org.mockito.junit.jupiter.MockitoExtension;18import org.mockito.junit.jupiter.MockitoSettings;19import org.mockito.quality.Strictness;20@DisplayName("OptionalShouldContainInstanceOfTest")21@ExtendWith(MockitoExtension.class)22@MockitoSettings(strictness = Strictness.LENIENT)23class OptionalShouldContainInstanceOfTest {24private static final Optional<String> EMPTY = Optional.empty();25private static final String VALUE = "value";26private static final Optional<String> ACTUAL = Optional.of(VALUE);27private Assertions assertions;28void should_fail_if_optional_is_null() {29Throwable thrown = catchThrowable(() -> assertThat(null).containsInstanceOf(String.class));30expectAssertionError(thrown, actualIsNull());31}32void should_fail_if_optional_is_empty() {33Throwable thrown = catchThrowable(() -> assertThat(EMPTY).containsInstanceOf(String.class));34expectAssertionError(thrown, shouldContainInstanceOf(EMPTY, String.class));35}36void should_fail_if_optional_is_not_instance_of_expected_type() {37Throwable thrown = catchThrowable(() -> assertThat(ACTUAL).containsInstanceOf(Integer.class));38expectAssertionError(thrown, shouldContainInstanceOf(ACTUAL, Integer.class));39}40void should_pass_if_optional_is_instance_of_expected_type() {41Throwable thrown = catchThrowable(() -> assertThat(ACTUAL).containsInstanceOf(String.class));42assertThat(thrown).isNull();43}44}

shouldContainInstanceOf

Using AI Code Generation

1org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]2org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]3org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]4org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]5org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]6org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]7org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]8org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]9org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]10org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]11org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]12org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]13org.assertj.core.error.OptionalShouldContainInstanceOf.shouldContainInstanceOf[Optional.empty(), "java.lang.String"]

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