How to use usingValueComparator method of org.assertj.core.api.AbstractOptionalAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractOptionalAssert.usingValueComparator

Source:AbstractOptionalAssert.java

...249   * @return {@code this} assertion object.250   */251  @CheckReturnValue252  public SELF usingFieldByFieldValueComparator() {253    return usingValueComparator(new FieldByFieldComparator());254  }255  /**256   * Use given custom comparator instead of relying on actual type A <code>equals</code> method to compare the257   * {@link Optional} value's object for incoming assertion checks.258   * <p>259   * Custom comparator is bound to assertion instance, meaning that if a new assertion is created, it will use default260   * comparison strategy.261   * <p>262   * Examples :263   *264   * <pre><code class='java'> TolkienCharacter frodo = new TolkienCharacter("Frodo", 33, HOBBIT);265   * TolkienCharacter frodoClone = new TolkienCharacter("Frodo", 33, HOBBIT);266   *267   * // Fail if equals has not been overridden in TolkienCharacter as equals default implementation only compares references268   * assertThat(Optional.of(frodo)).contains(frodoClone);269   *270   * // frodo and frodoClone are equals when doing a field by field comparison.271   * assertThat(Optional.of(frodo)).usingValueComparator(new FieldByFieldComparator()).contains(frodoClone);</code></pre>272   *273   * @param customComparator the comparator to use for incoming assertion checks.274   * @throws NullPointerException if the given comparator is {@code null}.275   * @return {@code this} assertion object.276   */277  @CheckReturnValue278  public SELF usingValueComparator(Comparator<? super VALUE> customComparator) {279    optionalValueComparisonStrategy = new ComparatorBasedComparisonStrategy(customComparator);280    return myself;281  }282  /**283   * Revert to standard comparison for incoming assertion {@link Optional} value checks.284   * <p>285   * This method should be used to disable a custom comparison strategy set by calling286   * {@link #usingValueComparator(Comparator)}.287   *288   * @return {@code this} assertion object.289   */290  @CheckReturnValue291  public SELF usingDefaultValueComparator() {292    // fall back to default strategy to compare actual with other objects.293    optionalValueComparisonStrategy = StandardComparisonStrategy.instance();294    return myself;295  }296  /**297   * Verifies that the actual {@link java.util.Optional} contains the instance given as an argument (i.e. it must be the298   * same instance).299   * <p>300   * Assertion will pass :...

usingValueComparator

Using AI Code Generation

1import org.assertj.core.api.AbstractOptionalAssert;2import org.assertj.core.api.OptionalAssert;3import org.junit.jupiter.api.Test;4import java.util.Optional;5import static org.assertj.core.api.Assertions.assertThat;6public class OptionalTest {7    public void givenOptional_whenUsingValueComparator_thenCorrect() {8        Optional<String> opt1 = Optional.of("foo");9        Optional<String> opt2 = Optional.of("foo");10        assertThat(opt1).usingValueComparator(String::compareToIgnoreCase)11                .isEqualTo(opt2);12    }13}14import org.assertj.core.api.AbstractOptionalAssert;15import org.assertj.core.api.OptionalAssert;16import org.junit.jupiter.api.Test;17import java.util.Optional;18import static org.assertj.core.api.Assertions.assertThat;19public class OptionalTest {20    public void givenOptional_whenUsingValueComparator_thenCorrect() {21        Optional<String> opt1 = Optional.of("foo");22        Optional<String> opt2 = Optional.of("foo");23        assertThat(opt1).usingValueComparator(String::co

usingValueComparator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Optional;3import org.junit.jupiter.api.Test;4public class UsingValueComparatorTest {5    public void testUsingValueComparator() {6        Optional<String> optional1 = Optional.of("abc");7        Optional<String> optional2 = Optional.of("abc");8        assertThat(optional1).usingValueComparator(String::compareTo).isEqualTo(optional2);9    }10}11org.junit.jupiter.api.extension.TestInstantiationException: Failed to instantiate test class UsingValueComparatorTest: The constructor UsingValueComparatorTest() is not accessible12	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstanceConstructor(ClassBasedTestDescriptor.java:278)13	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:259)14	at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:76)15	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:247)16	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:240)17	at java.base/java.util.Optional.orElseGet(Optional.java:364)18	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:239)19	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)20	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)21	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)22	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)23	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)24	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)25	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)26	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)27	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)28	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)29	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

usingValueComparator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Optional;3import org.junit.Test;4public class OptionalAssertUsingValueComparatorTest {5    public void test() {6        Optional<String> optional = Optional.of("test");7        assertThat(optional).usingValueComparator(String.CASE_INSENSITIVE_ORDER).hasValue("TEST");8    }9}10	at org.junit.Assert.assertEquals(Assert.java:115)11	at org.junit.Assert.assertEquals(Assert.java:144)12	at com.baeldung.optional.OptionalAssertUsingValueComparatorTest.test(OptionalAssertUsingValueComparatorTest.java:13)

usingValueComparator

Using AI Code Generation

1import org.assertj.core.api.AbstractOptionalAssert;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import java.util.Optional;5public class OptionalAssertUsingValueComparatorTest {6    public void testUsingValueComparator() {7        Optional<String> optional = Optional.of("foo");8        Optional<String> optional2 = Optional.of("foo");9        AbstractOptionalAssert<?, Optional<String>> optionalAssert = Assertions.assertThat(optional);10        optionalAssert.usingValueComparator((s1, s2) -> s1.length() - s2.length())11                .isEqualTo(optional2);12    }13}14import org.assertj.core.api.AbstractOptionalAssert;15import org.assertj.core.api.Assertions;16import org.junit.Test;17import java.util.Optional;18public class OptionalAssertUsingElementComparatorTest {19    public void testUsingElementComparator() {20        Optional<String> optional = Optional.of("foo");21        Optional<String> optional2 = Optional.of("foo");22        AbstractOptionalAssert<?, Optional<String>> optionalAssert = Assertions.assertThat(optional);23        optionalAssert.usingElementComparator((s1, s2) -> s1.length() - s2.length())24                .isEqualTo(optional2);25    }26}27import org.assertj.core.api.AbstractOptionalAssert;28import org.assertj.core.api.Assertions;29import org.junit.Test;30import java.util.Optional;31public class OptionalAssertUsingDefaultComparatorTest {32    public void testUsingDefaultComparator() {33        Optional<String> optional = Optional.of("foo");34        Optional<String> optional2 = Optional.of("foo");35        AbstractOptionalAssert<?, Optional<String>> optionalAssert = Assertions.assertThat(optional);36        optionalAssert.usingDefaultComparator()37                .isEqualTo(optional2);

usingValueComparator

Using AI Code Generation

1import org.assertj.core.api.AbstractOptionalAssert;2import org.assertj.core.api.Assertions;3import java.util.Comparator;4import java.util.Optional;5public class AssertJUsingValueComparator {6    public static void main(String[] args) {7        Optional<String> optional1 = Optional.of("hello");8        Optional<String> optional2 = Optional.of("hello");9        AbstractOptionalAssert<?, Optional<String>> assert1 = Assertions.assertThat(optional1);10        AbstractOptionalAssert<?, Optional<String>> assert2 = Assertions.assertThat(optional2);11        assert1.usingValueComparator(Comparator.comparingInt(String::length))12                .isEqualTo(assert2);13    }14}15public AbstractOptionalAssert<SELF, ACTUAL> usingValueComparator(Comparator<? super ACTUAL> customComparator)16import org.assertj.core.api.AbstractOptionalAssert;17import org.assertj.core.api.Assertions;18import java.util.Comparator;19import java.util.Optional;20public class AssertJUsingValueComparator {21    public static void main(String[] args) {22        Optional<String> optional1 = Optional.of("hello");23        Optional<String> optional2 = Optional.of("hello");24        AbstractOptionalAssert<?, Optional<String>> assert1 = Assertions.assertThat(optional1);25        AbstractOptionalAssert<?, Optional<String>> assert2 = Assertions.assertThat(optional2);26        assert1.usingValueComparator(Comparator.comparingInt(String::length))27                .isEqualTo(assert2);28    }29}

usingValueComparator

Using AI Code Generation

1import java.util.Optional;2import org.assertj.core.api.Assertions;3public class AssertJTest {4    public static void main(String[] args) {5        Optional<String> optional1 = Optional.of("string1");6        Optional<String> optional2 = Optional.of("string2");7        Assertions.assertThat(optional1).usingValueComparator().isEqualTo(optional2);8    }9}

usingValueComparator

Using AI Code Generation

1import org.assertj.core.api.*;2import org.junit.*;3import java.util.*;4public class AssertJOptionalUsingValueComparator {5    public void testUsingValueComparator() {6        Optional<String> optional1 = Optional.of("abc");7        Optional<String> optional2 = Optional.of("abc");8        Assertions.assertThat(optional1).usingValueComparator(Comparator.naturalOrder()).isEqualTo(optional2);9    }10}

usingValueComparator

Using AI Code Generation

1	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)2	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)3	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)4	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)5	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)6	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)7	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)8	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)9	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)10	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)11	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)

usingValueComparator

Using AI Code Generation

1import java.util.Optional;2import org.assertj.core.api.Assertions;3public class AssertJTest {4    public static void main(String[] args) {5        Optional<String> optional1 = Optional.of("string1");6        Optional<String> optional2 = Optional.of("string2");7        Assertions.assertThat(optional1).usingValueComparator().isEqualTo(optional2);8    }9}

usingValueComparator

Using AI Code Generation

1import org.assertj.core.api.*;2import org.junit.*;3import java.util.*;4public class AssertJOptionalUsingValueComparator {5    public void testUsingValueComparator() {6        Optional<String> optional1 = Optional.of("abc");7        Optional<String> optional2 = Optional.of("abc");8        Assertions.assertThat(optional1).usingValueComparator(Comparator.naturalOrder()).isEqualTo(optional2);9    }10}

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