How to use OptionalShouldBePresent class of org.assertj.core.error package

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

Source:OptionalShouldBePresent_create_Test.java Github

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...16import java.util.OptionalInt;17import java.util.OptionalLong;18import org.assertj.core.api.Assertions;19import org.junit.jupiter.api.Test;20public class OptionalShouldBePresent_create_Test {21 @Test22 public void should_create_error_message_with_optional() {23 String errorMessage = OptionalShouldBePresent.shouldBePresent(Optional.empty()).create();24 Assertions.assertThat(errorMessage).isEqualTo(String.format("%nExpecting Optional to contain a value but it was empty."));25 }26 @Test27 public void should_create_error_message_with_optionaldouble() {28 String errorMessage = OptionalShouldBePresent.shouldBePresent(OptionalDouble.empty()).create();29 Assertions.assertThat(errorMessage).isEqualTo(String.format("%nExpecting OptionalDouble to contain a value but it was empty."));30 }31 @Test32 public void should_create_error_message_with_optionalint() {33 String errorMessage = OptionalShouldBePresent.shouldBePresent(OptionalInt.empty()).create();34 Assertions.assertThat(errorMessage).isEqualTo(String.format("%nExpecting OptionalInt to contain a value but it was empty."));35 }36 @Test37 public void should_create_error_message_with_optionallong() {38 String errorMessage = OptionalShouldBePresent.shouldBePresent(OptionalLong.empty()).create();39 Assertions.assertThat(errorMessage).isEqualTo(String.format("%nExpecting OptionalLong to contain a value but it was empty."));40 }41}...

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Source:OptionalAssert_get_Test.java Github

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...13package org.assertj.core.api.optional;14import org.assertj.core.api.Assertions;15import org.assertj.core.api.BaseTest;16import org.assertj.core.data.TolkienCharacter;17import org.assertj.core.error.OptionalShouldBePresent;18import org.assertj.core.util.FailureMessages;19import org.junit.jupiter.api.Test;20import static java.util.Optional.empty;21import static java.util.Optional.of;22import static org.assertj.core.data.TolkienCharacter.Race.HOBBIT;23/**24 *25 *26 * @author Filip Hrisafov27 */28public class OptionalAssert_get_Test extends BaseTest {29 @Test30 public void should_fail_when_optional_is_null() {31 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(((Optional<String>) (null))).get()).withMessage(FailureMessages.actualIsNull());32 }33 @Test34 public void should_fail_when_optional_is_empty() {35 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(java.util.Optional.<String>empty()).get()).withMessage(OptionalShouldBePresent.shouldBePresent(<String>empty()).create());36 }37 @Test38 public void should_pass_when_optional_contains_a_value() {39 TolkienCharacter frodo = TolkienCharacter.of("Frodo", 33, HOBBIT);40 Assertions.assertThat(of(frodo)).get().hasNoNullFieldsOrProperties();41 }42}...

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Source:OptionalShouldBePresent.java Github

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...20 * 21 * @author Kornel Kiełczewski22 * @author Joel Costigliola23 */24public final class OptionalShouldBePresent extends BasicErrorMessageFactory {25 public static <T> ErrorMessageFactory shouldBePresent(final Optional<T> actual) {26 return new OptionalShouldBePresent(27 "Expecting Optional to contain a non-null instance but contained nothing (absent Optional)",28 actual);29 }30 private OptionalShouldBePresent(final String format, final Object... arguments) {31 super(format, arguments);32 }33}...

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OptionalShouldBePresent

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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.api.Assertions.catchThrowable;4import static org.assertj.core.error.OptionalShouldBePresent.shouldBePresent;5import java.util.Optional;6import org.assertj.core.api.ThrowableAssert.ThrowingCallable;7import org.junit.Test;8public class OptionalShouldBePresentTest {9 public void should_create_error_message_for_optional() {10 Throwable error = catchThrowable(new ThrowingCallable() {11 public void call() throws Throwable {12 assertThat(Optional.empty()).isPresent();13 }14 });15 assertThat(error).hasMessage(shouldBePresent(Optional.empty()).create());16 }17}

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OptionalShouldBePresent

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.catchThrowable;3import static org.assertj.core.api.Assertions.assertThatExceptionOfType;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import static org.assertj.core.api.Assertions.fail;6import org.assertj.core.api.Assertions;7import org.assertj.core.api.ThrowableAssert;8import org.assertj.core.api.ThrowableAssert.ThrowingCallable;9import org.assertj.core.api.ThrowableAssertAlternative;10import org.assertj.core.api.ThrowableAssertAlternative.ThrowingCallable;11import org.assertj.core.api.ThrowableAssertBase;12import org.assertj.core.api.ThrowableAssertBase.ThrowingCallable;13import org.assertj.core.api.ThrowableAssertCaughtException;14import org.assertj.core.api.ThrowableAssertNoCause;15import org.assertj.core.api.ThrowableAssertNoCause.ThrowingCallable;16import org.assertj.core.api.ThrowableAssertWithCause;17import org.assertj.core.api.ThrowableAssertWithCause.ThrowingCallable;18import org.assertj.core.api.ThrowableAssertWithCauseAndMessage;19import org.assertj.core.api.ThrowableAssertWithCauseAndMessage.ThrowingCallable;20import org.assertj.core.api.ThrowableAssertWithCauseAndMessageAndNoCause;21import org.assertj.core.api.ThrowableAssertWithCauseAndMessageAndNoCause.ThrowingCallable;22import org.assertj.core.api.ThrowableAssertWithCauseAndNoCause;23import org.assertj.core.api.ThrowableAssertWithCauseAndNoCause.ThrowingCallable;24import org.assertj.core.api.ThrowableAssertWithNoCause;25import org.assertj.core.api.ThrowableAssertWithNoCause.ThrowingCallable;26import org.assertj.core.api.ThrowableAssertWithNoCauseAndMessage;27import org.assertj.core.api.ThrowableAssertWithNoCauseAndMessage.ThrowingCallable;28import org.assertj.core.api.ThrowableAssertWithNoCauseAndMessageAndNoCause;29import org.assertj.core.api.ThrowableAssertWithNoCauseAndMessageAndNoCause.ThrowingCallable;30import org.assertj.core.api.ThrowableAssertWithNoCauseAndNoCause;31import org.assertj.core.api.ThrowableAssertWithNoCauseAndNoCause.ThrowingCallable;32import org.assertj.core.api.ThrowableAssertWithNoCauseAndNoMessage;33import org.assertj.core.api.ThrowableAssertWithNoCauseAndNoMessage.ThrowingCallable;34import org.assertj.core.error.OptionalShouldBePresent;35import org.assertj.core.internal.Objects;36import org.assertj.core.internal.TestDescription;37import org.assertj.core.presentation.StandardRepresentation;38import org.assertj.core.util.FailureMessages;39import org.junit.Test;40public class OptionalShouldBePresent_create_Test {

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OptionalShouldBePresent

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1import org.assertj.core.api.Assertions;2import org.assertj.core.error.OptionalShouldBePresent;3import org.assertj.core.internal.TestDescription;4import org.junit.jupiter.api.Test;5import java.util.Optional;6public class OptionalShouldBePresentTest {7 public void test() {8 OptionalShouldBePresent shouldBePresent = new OptionalShouldBePresent();9 AssertionError assertionError = shouldBePresent.shouldBePresent(new TestDescription("MyTest"), "value");10 Assertions.assertThat(assertionError).hasMessage("MyTest11Expecting Optional to contain a value but it was empty.");12 }13}14 at org.assertj.core.internal.Failures.failure(Failures.java:80)15 at org.assertj.core.api.AbstractThrowableAssert.hasMessage(AbstractThrowableAssert.java:101)16 at org.assertj.core.api.Assertions.assertThat(Assertions.java:1117)17 at org.assertj.core.api.Assertions.assertThat(Assertions.java:1087)18 at org.assertj.core.api.Assertions.assertThat(Assertions.java:1092)19 at org.assertj.core.error.OptionalShouldBePresentTest.test(OptionalShouldBePresentTest.java:20)20public OptionalShouldBePresent(Object actual, Object value)21public static AssertionError shouldBePresent(Object actual, Object value)

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OptionalShouldBePresent

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1import org.assertj.core.error.OptionalShouldBePresent;2public class AssertJTest {3 public static void main(String[] args) {4 OptionalShouldBePresent shouldBePresent = new OptionalShouldBePresent();5 System.out.println(shouldBePresent);6 }7}8AssertJ is a Java library that provides a set of assertions to perform assertions on java objects. The assertions are grouped into classes and each class contains a set of methods for the assertions. The assertions are named in a way that makes them easy to read and understand. For example, assertThat() is the method that is used to start an assertion. The next part of the assertion is the object to be tested, and the last part is the method that performs the assertion. The

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OptionalShouldBePresent

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.catchThrowable;3import static org.assertj.core.error.OptionalShouldBePresent.shouldBePresent;4import java.util.Optional;5import org.assertj.core.api.ThrowableAssert.ThrowingCallable;6import org.assertj.core.error.OptionalShouldBePresent;7import org.assertj.core.internal.TestDescription;8import org.junit.Test;9public class OptionalShouldBePresentTest {10 public void should_create_error_message() {11 OptionalShouldBePresent factory = shouldBePresent();12 String message = factory.create(new TestDescription("TEST"), new TestDescription("ACTUAL"));13 assertThat(message).isEqualTo(String.format("[TEST] %nExpecting Optional to contain a value but it was empty."));14 }15 public void should_create_error_message_with_custom_description() {16 OptionalShouldBePresent factory = shouldBePresent("My custom message");17 String message = factory.create(new TestDescription("TEST"), new TestDescription("ACTUAL"));18 assertThat(message).isEqualTo(String.format("[TEST] %nExpecting Optional to contain a value but it was empty. My custom message"));19 }20 public void should_fail_if_optional_is_empty() {21 Optional<String> optional = Optional.empty();22 ThrowingCallable code = () -> assertThat(optional).isPresent();23 ThrowableAssert.ThrowableAssertAlternative<AssertionError> thrown = catchThrowable(code).isInstanceOf(AssertionError.class);24 thrown.hasMessage(String.format("%nExpecting Optional to contain a value but it was empty."));25 }26 public void should_fail_with_custom_message_if_optional_is_empty() {27 Optional<String> optional = Optional.empty();28 ThrowingCallable code = () -> assertThat(optional).overridingErrorMessage("My custom message").isPresent();29 ThrowableAssert.ThrowableAssertAlternative<AssertionError> thrown = catchThrowable(code).isInstanceOf(AssertionError.class);30 thrown.hasMessage(String.format("%nExpecting Optional to contain a value but it was empty. My custom message"));31 }32}

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OptionalShouldBePresent

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1import org.assertj.core.error.OptionalShouldBePresent;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.assertj.core.util.AbsValueComparator;5import java.util.Optional;6public class AssertJTest {7 public static void main(String[] args) {8 OptionalShouldBePresent optionalShouldBePresent = new OptionalShouldBePresent(Optional.empty());9 optionalShouldBePresent.description(new TestDescription("test"));10 optionalShouldBePresent.representation(new StandardRepresentation());11 optionalShouldBePresent.comparatorForCustomComparison(new AbsValueComparator());12 System.out.println(optionalShouldBePresent.create());13 }14}

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OptionalShouldBePresent

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1import org.assertj.core.error.OptionalShouldBePresent;2import org.assertj.core.api.Assertions;3import java.util.Optional;4public class AssertjExample {5 public static void main(String[] args) {6 Optional<String> optional = Optional.empty();7 Assertions.assertThat(optional).isPresent();8 }9}10 at org.assertj.core.error.OptionalShouldBePresent.shouldBePresent(OptionalShouldBePresent.java:13)11 at org.assertj.core.api.AbstractOptionalAssert.isPresent(AbstractOptionalAssert.java:102)12 at AssertjExample.main(1.java:11)13import org.assertj.core.error.OptionalShouldBeEmpty;14import org.assertj.core.api.Assertions;15import java.util.Optional;16public class AssertjExample {17 public static void main(String[] args) {18 Optional<String> optional = Optional.of("Hello");19 Assertions.assertThat(optional).isEmpty();20 }21}22 at org.assertj.core.error.OptionalShouldBeEmpty.shouldBeEmpty(OptionalShouldBeEmpty.java:13)23 at org.assertj.core.api.AbstractOptionalAssert.isEmpty(AbstractOptionalAssert.java:107)24 at AssertjExample.main(2.java:11)25import org.assertj.core.error.OptionalShouldContain;26import org.assertj.core.api

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OptionalShouldBePresent

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1import static org.assertj.core.api.Assertions.assertThat;2import org.assertj.core.api.OptionalShouldBePresent;3import org.assertj.core.api.OptionalShouldBePresentBaseTest;4import org.assertj.core.description.TextDescription;5import org.assertj.core.presentation.StandardRepresentation;6import org.junit.Test;7public class OptionalShouldBePresentTest extends OptionalShouldBePresentBaseTest {8 public void should_create_error_message() {9 String message = OptionalShouldBePresent.shouldBePresent().create(new TextDescription("Test"), new StandardRepresentation());10 assertThat(message).isEqualTo("[Test] " + "Expecting Optional to contain a value but it was empty");11 }12}13package org.assertj.core.api;14import org.assertj.core.error.OptionalShouldBePresent;15import org.assertj.core.internal.Failures;16import org.assertj.core.internal.Objects;17import java.util.Optional;18import static org.assertj.core.error.OptionalShouldBePresent.shouldBePresent;19import static org.assertj.core.util.Preconditions.checkNotNull;

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OptionalShouldBePresent

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1import org.assertj.core.error.OptionalShouldBePresent;2import org.assertj.core.api.Assertions;3import java.util.Optional;4public class AssertjExample {5 public static void main(String[] args) {6 Optional<String> optional = Optional.empty();7 Assertions.assertThat(optional).isPresent();8 }9}10 at org.assertj.core.error.OptionalShouldBePresent.shouldBePresent(OptionalShouldBePresent.java:13)11 at org.assertj.core.api.AbstractOptionalAssert.isPresent(AbstractOptionalAssert.java:102)12 at AssertjExample.main(1.java:11)13import org.assertj.core.error.OptionalShouldBeEmpty;14import org.assertj.core.api.Assertions;15import java.util.Optional;16public class AssertjExample {17 public static void main(String[] args) {18 Optional<String> optional = Optional.of("Hello");19 Assertions.assertThat(optional).isEmpty();20 }21}22 at org.assertj.core.error.OptionalShouldBeEmpty.shouldBeEmpty(OptionalShouldBeEmpty.java:13)23 at org.assertj.core.api.AbstractOptionalAssert.isEmpty(AbstractOptionalAssert.java:107)24 at AssertjExample.main(2.java:11)25import org.assertj.core.error.OptionalShouldContain;26import org.assertj.core.api

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OptionalShouldBePresent

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1import static org.assertj.core.api.Assertions.assertThat;2import org.assertj.core.api.OptionalShouldBePresent;3import org.assertj.core.api.OptionalShouldBePresentBaseTest;4import org.assertj.core.description.TextDescription;5import org.assertj.core.presentation.StandardRepresentation;6import org.junit.Test;7public class OptionalShouldBePresentTest extends OptionalShouldBePresentBaseTest {8 public void should_create_error_message() {9 String message = OptionalShouldBePresent.shouldBePresent().create(new TextDescription("Test"), new StandardRepresentation());10 assertThat(message).isEqualTo("[Test] " + "Expecting Optional to contain a value but it was empty");11 }12}13package org.assertj.core.api;14import org.assertj.core.error.OptionalShouldBePresent;15import org.assertj.core.internal.Failures;16import org.assertj.core.internal.Objects;17import java.util.Optional;18import static org.assertj.core.error.OptionalShouldBePresent.shouldBePresent;19import static org.assertj.core.util.Preconditions.checkNotNull;

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OptionalShouldBePresent

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1import static org.assertj.core.api.Assertions.assertThat;2public class AssertJTest {3 public static void main(String[] args) {4 Optional<String> optional = Optional.of("test");5 assertThat(optional).isPresent();6 }7}

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OptionalShouldBePresent

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1import org.assertj.core.api.Assertions;2import org.assertj.core.error.OptionalShouldBePresent;3public class AssertJErrorTest {4public static void main(String[] args) {5OptionalShouldBePresent optionalShouldBePresent = new OptionalShouldBePresent();6String message = Assertions.descriptionText(optionalShouldBePresent);7System.out.println(message);8}9}

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