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

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

Source:Iterables_assertContainsOnlyOnce_Test.java

...13package org.assertj.core.internal.iterables;14import java.awt.Rectangle;15import org.assertj.core.api.AssertionInfo;16import org.assertj.core.api.Assertions;17import org.assertj.core.error.ShouldContainsOnlyOnce;18import org.assertj.core.internal.ErrorMessages;19import org.assertj.core.internal.IterablesBaseTest;20import org.assertj.core.test.TestData;21import org.assertj.core.test.TestFailures;22import org.assertj.core.util.Arrays;23import org.assertj.core.util.FailureMessages;24import org.assertj.core.util.Lists;25import org.assertj.core.util.Sets;26import org.junit.jupiter.api.Test;27import org.mockito.Mockito;28/**29 * Tests for30 * <code>{@link Iterables#assertContainsOnlyOnce(org.assertj.core.api.AssertionInfo, Iterable, Object[])}</code>.31 *32 * @author William Delanoue33 */34public class Iterables_assertContainsOnlyOnce_Test extends IterablesBaseTest {35    @Test36    public void should_pass_if_actual_contains_given_values_only_once() {37        iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("Luke", "Yoda", "Leia"));38    }39    @Test40    public void should_pass_if_actual_contains_given_values_only_once_even_if_actual_type_is_not_comparable() {41        // Rectangle class does not implement Comparable42        Rectangle r1 = new Rectangle(1, 1);43        Rectangle r2 = new Rectangle(2, 2);44        iterables.assertContainsOnlyOnce(TestData.someInfo(), Lists.newArrayList(r1, r2, r2), Arrays.array(r1));45    }46    @Test47    public void should_pass_if_actual_contains_given_values_only_once_with_null_element() {48        actual.add(null);49        iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("Luke", null, "Yoda", "Leia", null));50    }51    @Test52    public void should_pass_if_actual_contains_given_values_only_once_in_different_order() {53        iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("Leia", "Yoda", "Luke"));54    }55    @Test56    public void should_fail_if_actual_contains_given_values_more_than_once() {57        AssertionInfo info = TestData.someInfo();58        actual.addAll(Lists.newArrayList("Luke", "Luke", null, null));59        Object[] expected = new Object[]{ "Luke", "Luke", "Yoda", "Han", null };60        try {61            iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, expected);62        } catch (AssertionError e) {63            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet("Han"), Sets.newLinkedHashSet("Luke", null)));64            return;65        }66        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();67    }68    @Test69    public void should_fail_if_actual_does_not_contains_null_value() {70        AssertionInfo info = TestData.someInfo();71        actual.addAll(Lists.newArrayList("Luke", "Luke"));72        Object[] expected = new Object[]{ null };73        try {74            iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, expected);75        } catch (AssertionError e) {76            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet(Arrays.array(((String) (null)))), Sets.newLinkedHashSet()));77            return;78        }79        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();80    }81    @Test82    public void should_pass_if_actual_contains_given_values_only_once_even_if_duplicated() {83        iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("Luke", "Luke", "Luke", "Yoda", "Leia"));84    }85    @Test86    public void should_pass_if_actual_and_given_values_are_empty() {87        actual.clear();88        iterables.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array());89    }90    @Test91    public void should_fail_if_array_of_values_to_look_for_is_empty_and_actual_is_not() {92        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> iterables.assertContainsOnlyOnce(someInfo(), actual, emptyArray()));93    }94    @Test95    public void should_throw_error_if_array_of_values_to_look_for_is_null() {96        Assertions.assertThatNullPointerException().isThrownBy(() -> iterables.assertContainsOnlyOnce(someInfo(), emptyList(), null)).withMessage(ErrorMessages.valuesToLookForIsNull());97    }98    @Test99    public void should_fail_if_actual_is_null() {100        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> iterables.assertContainsOnlyOnce(someInfo(), null, array("Yoda"))).withMessage(FailureMessages.actualIsNull());101    }102    @Test103    public void should_fail_if_actual_does_not_contain_given_values_only_once() {104        AssertionInfo info = TestData.someInfo();105        Object[] expected = new Object[]{ "Luke", "Yoda", "Han" };106        try {107            iterables.assertContainsOnlyOnce(info, actual, expected);108        } catch (AssertionError e) {109            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet("Han"), Sets.newLinkedHashSet()));110            return;111        }112        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();113    }114    // ------------------------------------------------------------------------------------------------------------------115    // tests using a custom comparison strategy116    // ------------------------------------------------------------------------------------------------------------------117    @Test118    public void should_pass_if_actual_contains_given_values_only_once_according_to_custom_comparison_strategy() {119        iterablesWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("LUKE", "YODA", "Leia"));120    }121    @Test122    public void should_pass_if_actual_contains_given_values_only_once_in_different_order_according_to_custom_comparison_strategy() {123        iterablesWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), actual, Arrays.array("LEIA", "yoda", "LukE"));124    }125    @Test126    public void should_fail_if_actual_contains_given_values_more_than_once_according_to_custom_comparison_strategy() {127        AssertionInfo info = TestData.someInfo();128        actual.addAll(Lists.newArrayList("Luke", "Luke"));129        Object[] expected = Arrays.array("luke", "YOda", "LeIA");130        try {131            iterablesWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), actual, expected);132        } catch (AssertionError e) {133            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet(), Sets.newLinkedHashSet("luke"), comparisonStrategy));134            return;135        }136        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();137    }138    @Test139    public void should_fail_if_actual_contains_given_values_more_than_once_even_if_duplicated_according_to_custom_comparison_strategy() {140        AssertionInfo info = TestData.someInfo();141        actual.addAll(Lists.newArrayList("LUKE"));142        Object[] expected = Arrays.array("LUke", "LUke", "lukE", "YOda", "Leia", "Han");143        try {144            iterablesWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(TestData.someInfo(), actual, expected);145        } catch (AssertionError e) {146            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet("Han"), Sets.newLinkedHashSet("LUke", "lukE"), comparisonStrategy));147            return;148        }149        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();150    }151    @Test152    public void should_fail_if_actual_does_not_contain_given_values_only_according_to_custom_comparison_strategy() {153        AssertionInfo info = TestData.someInfo();154        Object[] expected = new Object[]{ "Luke", "Yoda", "Han" };155        try {156            iterablesWithCaseInsensitiveComparisonStrategy.assertContainsOnlyOnce(info, actual, expected);157        } catch (AssertionError e) {158            Mockito.verify(failures).failure(info, ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, Sets.newLinkedHashSet("Han"), Sets.newLinkedHashSet(), comparisonStrategy));159            return;160        }161        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();162    }163}...

Source:ShouldContainsOnlyOnce_create_Test.java

...10 *11 * Copyright 2012-2015 the original author or authors.12 */13package org.assertj.core.error;14import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;15import static org.assertj.core.util.Lists.newArrayList;16import static org.assertj.core.util.Sets.newLinkedHashSet;17import static org.assertj.core.api.Assertions.assertThat;18import org.assertj.core.description.TextDescription;19import org.assertj.core.internal.ComparatorBasedComparisonStrategy;20import org.assertj.core.presentation.StandardRepresentation;21import org.assertj.core.util.CaseInsensitiveStringComparator;22import org.junit.Before;23import org.junit.Test;24/**25 * Tests for <code>{@link ShouldContainsOnlyOnce#create(org.assertj.core.description.Description, org.assertj.core.presentation.Representation)}</code>.26 * 27 * @author William Delanoue28 */29public class ShouldContainsOnlyOnce_create_Test {30  private ErrorMessageFactory factory;31  @Before32  public void setUp() {33    factory = shouldContainsOnlyOnce(newArrayList("Yoda", "Han", "Han"), newArrayList("Luke", "Yoda"),34                                     newLinkedHashSet("Luke"), newLinkedHashSet("Han"));35  }36  @Test37  public void should_create_error_message() {38    String message = factory.create(new TextDescription("Test"), new StandardRepresentation());39    assertThat(message).isEqualTo(String.format(40        "[Test] %nExpecting:%n" +41            " <[\"Yoda\", \"Han\", \"Han\"]>%n" +42            "to contain only once:%n" +43            " <[\"Luke\", \"Yoda\"]>%n" +...

Source:ShouldContainsOnlyOnce.java

...20 * values and nothing else failed. A group of elements can be a collection, an array or a {@code String}.21 * 22 * @author William Delanoue23 */24public class ShouldContainsOnlyOnce extends BasicErrorMessageFactory {25  /**26   * Creates a new </code>{@link ShouldContainsOnlyOnce}</code>.27   * 28   * @param actual the actual value in the failed assertion.29   * @param expected values expected to be contained in {@code actual}.30   * @param notFound values in {@code expected} not found in {@code actual}.31   * @param notOnlyOnce values in {@code actual} that were not only once in {@code expected}.32   * @param comparisonStrategy the {@link ComparisonStrategy} used to evaluate assertion.33   * @return the created {@code ErrorMessageFactory}.34   */35  public static ErrorMessageFactory shouldContainsOnlyOnce(Object actual, Object expected, Set<?> notFound,36      Set<?> notOnlyOnce, ComparisonStrategy comparisonStrategy) {37    if (!isNullOrEmpty(notFound) && !isNullOrEmpty(notOnlyOnce))38      return new ShouldContainsOnlyOnce(actual, expected, notFound, notOnlyOnce, comparisonStrategy);39    if (!isNullOrEmpty(notFound))40      return new ShouldContainsOnlyOnce(actual, expected, notFound, comparisonStrategy);41    // case where no elements were missing but some appeared more than once.42    return new ShouldContainsOnlyOnce(notOnlyOnce, actual, expected, comparisonStrategy);43  }44  /**45   * Creates a new </code>{@link ShouldContainsOnlyOnce}</code>.46   * 47   * @param actual the actual value in the failed assertion.48   * @param expected values expected to be contained in {@code actual}.49   * @param notFound values in {@code expected} not found in {@code actual}.50   * @param notOnlyOnce values in {@code actual} that were found not only once in {@code expected}.51   * @return the created {@code ErrorMessageFactory}.52   */53  public static ErrorMessageFactory shouldContainsOnlyOnce(Object actual, Object expected, Set<?> notFound,54      Set<?> notOnlyOnce) {55    return shouldContainsOnlyOnce(actual, expected, notFound, notOnlyOnce, StandardComparisonStrategy.instance());56  }57  private ShouldContainsOnlyOnce(Object actual, Object expected, Set<?> notFound, Set<?> notOnlyOnce,58      ComparisonStrategy comparisonStrategy) {59    super("%nExpecting:%n <%s>%nto contain only once:%n <%s>%n"60        + "but some elements were not found:%n <%s>%n"61        + "and others were found more than once:%n <%s>%n%s",62          actual, expected, notFound, notOnlyOnce, comparisonStrategy);63  }64  private ShouldContainsOnlyOnce(Object actual, Object expected, Set<?> notFound, ComparisonStrategy comparisonStrategy) {65    super("%nExpecting:%n <%s>%nto contain only once:%n <%s>%nbut some elements were not found:%n <%s>%n%s",66          actual, expected, notFound, comparisonStrategy);67  }68  // change the order of parameters to avoid confusion with previous constructor69  private ShouldContainsOnlyOnce(Set<?> notOnlyOnce, Object actual, Object expected,70      ComparisonStrategy comparisonStrategy) {71    super("%nExpecting:%n <%s>%nto contain only once:%n <%s>%nbut some elements were found more than once:%n <%s>%n%s",72          actual, expected, notOnlyOnce, comparisonStrategy);73  }74}...

ShouldContainsOnlyOnce

Using AI Code Generation

1package org.assertj.core.error;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;4import static org.assertj.core.util.Lists.newArrayList;5import java.util.List;6import org.assertj.core.description.TextDescription;7import org.assertj.core.presentation.StandardRepresentation;8import org.junit.Test;9public class ShouldContainsOnlyOnce_Test {10  public void should_create_error_message() {11    ErrorMessageFactory factory = shouldContainsOnlyOnce("Yoda", newArrayList("Luke", "Yoda"));12    String message = factory.create(new TextDescription("Test"), new StandardRepresentation());13    assertThat(message).isEqualTo(String.format("[Test] %n" +14                                                " <[\"Luke\", \"Yoda\"]>"));15  }16}17        at org.assertj.core.error.ShouldContainsOnlyOnce_Test.should_create_error_message(ShouldContainsOnlyOnce_Test.java:20)18        at org.assertj.core.error.ShouldContainsOnlyOnce_Test.should_create_error_message(ShouldContainsOnlyOnce_Test.java:20)

ShouldContainsOnlyOnce

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;3import org.assertj.core.internal.TestDescription;4import org.assertj.core.presentation.StandardRepresentation;5import org.junit.Test;6public class ShouldContainsOnlyOnce_Test {7public void test() {8    AssertionError error = shouldContainsOnlyOnce("Yoda", "Luke", new TestDescription("Test"), new StandardRepresentation()).create();9    assertThat(error).hasMessage(String.format("[Test] %n" +10            "but found 2 times"));11}12}13import static org.assertj.core.api.Assertions.assertThat;14import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;15import org.assertj.core.internal.TestDescription;16import org.assertj.core.presentation.StandardRepresentation;17import org.junit.Test;18public class ShouldContainsOnlyOnce_Test {19public void test() {20    AssertionError error = shouldContainsOnlyOnce("Yoda", "Luke", new TestDescription("Test"), new StandardRepresentation()).create();21    assertThat(error).hasMessage(String.format("[Test] %n" +22            "but found 2 times"));23}24}25import static org.assertj.core.api.Assertions.assertThat;26import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;27import org.assertj.core.internal.TestDescription;28import org.assertj.core.presentation.StandardRepresentation;29import org.junit.Test;30public class ShouldContainsOnlyOnce_Test {31public void test() {32    AssertionError error = shouldContainsOnlyOnce("Yoda", "Luke", new TestDescription("Test"), new StandardRepresentation()).create();33    assertThat(error).hasMessage(String.format("[Test] %n" +

ShouldContainsOnlyOnce

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainsOnlyOnce;3import org.assertj.core.internal.TestDescription;4import org.assertj.core.presentation.StandardRepresentation;5public class ShouldContainsOnlyOnceExample {6    public static void main(String[] args) {7        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {8            String[] array = {"a", "b", "c"};9            throw ShouldContainsOnlyOnce.shouldContainsOnlyOnce(array, "a", 2).create(new TestDescription("TEST"), new StandardRepresentation());10        }).withMessage(String.format("[TEST] %n" +11                "but found 2 times"));12    }13}14at org.assertj.core.error.ShouldContainsOnlyOnceExample.main(ShouldContainsOnlyOnceExample.java:21)

ShouldContainsOnlyOnce

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainsOnlyOnce;3import org.assertj.core.internal.TestDescription;4import org.assertj.core.presentation.StandardRepresentation;5public class ShouldContainsOnlyOnceExample {6  public static void main(String[] args) {7    ShouldContainsOnlyOnce shouldContainsOnlyOnce = new ShouldContainsOnlyOnce("1", "2", new StandardRepresentation());8    System.out.println(shouldContainsOnlyOnce.create(new TestDescription("Test"), new StandardRepresentation()));9  }10}11import org.assertj.core.api.Assertions;12import org.assertj.core.error.ShouldContainOnlyOnce;13import org.assertj.core.internal.TestDescription;14import org.assertj.core.presentation.StandardRepresentation;15public class ShouldContainOnlyOnceExample {16  public static void main(String[] args) {17    ShouldContainOnlyOnce shouldContainOnlyOnce = new ShouldContainOnlyOnce("1", "2", new StandardRepresentation());18    System.out.println(shouldContainOnlyOnce.create(new TestDescription("Test"), new StandardRepresentation()));19  }20}21import org.assertj.core.api.Assertions;22import org.assertj.core.error.ShouldContainOnlyOnce;23import org.assertj.core.internal.TestDescription;24import org.assertj.core.presentation.StandardRepresentation;25public class ShouldContainOnlyOnceExample {26  public static void main(String[] args) {27    ShouldContainOnlyOnce shouldContainOnlyOnce = new ShouldContainOnlyOnce("1", "2", new StandardRepresentation());28    System.out.println(shouldContainOnlyOnce.create(new TestDescription("Test"), new StandardRepresentation()));29  }30}31import org.assertj.core.api.Assertions;32import org.assertj.core.error.ShouldContainOnlyOnce;33import org.assertj.core.internal.TestDescription;34import org.assertj.core.presentation.StandardRepresentation;35public class ShouldContainOnlyOnceExample {36  public static void main(String[] args) {

ShouldContainsOnlyOnce

Using AI Code Generation

1package org.assertj.core.error;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.junit.Test;5import java.util.Set;6import static org.assertj.core.api.Assertions.assertThat;7public class ShouldContainsOnlyOnce_Test {8  public void should_create_error_message() {9    ErrorMessageFactory factory = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("Yoda", Set.of("Luke", "Yoda"));10    String message = factory.create(new TestDescription("Test"), new StandardRepresentation());11    assertThat(message).isEqualTo(String.format("[Test] %n" +12                                                 " <[\"Luke\", \"Yoda\"]>%n"));13  }14}15package org.assertj.core.error;16import org.assertj.core.internal.TestDescription;17import org.assertj.core.presentation.StandardRepresentation;18import org.junit.Test;19import java.util.Set;20import static org.assertj.core.api.Assertions.assertThat;21public class ShouldContainsOnlyOnce_Test {22  public void should_create_error_message() {23    ErrorMessageFactory factory = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("Yoda", Set.of("Luke", "Yoda"));24    String message = factory.create(new TestDescription("Test"), new StandardRepresentation());25    assertThat(message).isEqualTo(String.format("[Test] %n" +26                                                 " <[\"Luke\", \"Yoda\"]>%n"));27  }28}29package org.assertj.core.error;30import org.assertj.core.internal.TestDescription;31import org.assertj.core.presentation.StandardRepresentation;32import org.junit.Test;33import java.util.Set;34import static org.assertj.core.api.Assertions.assertThat;35public class ShouldContainsOnlyOnce_Test {36  public void should_create_error_message() {37    ErrorMessageFactory factory = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("Yoda", Set.of("Luke", "Yoda"));38    String message = factory.create(new TestDescription("Test"), new StandardRepresentation());

ShouldContainsOnlyOnce

Using AI Code Generation

1package org.kodejava.example.assertj;2import org.assertj.core.api.Assertions;3import java.util.Arrays;4public class ShouldContainsOnlyOnceExample {5    public static void main(String[] args) {6        String[] str = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"};7        Assertions.assertThat(str).as("Contains only once")8                .containsOnlyOnce("one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten");9    }10}

ShouldContainsOnlyOnce

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        ShouldContainsOnlyOnce shouldContainsOnlyOnce = new ShouldContainsOnlyOnce();4    }5}6public class Test {7    public static void main(String[] args) {8        ShouldContainsOnlyOnce shouldContainsOnlyOnce = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("actual", "expected");9    }10}11public class Test {12    public static void main(String[] args) {13        ShouldContainsOnlyOnce shouldContainsOnlyOnce = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("actual", "expected", "extra");14    }15}16public class Test {17    public static void main(String[] args) {18        ShouldContainsOnlyOnce shouldContainsOnlyOnce = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("actual", "expected", "extra", "extra");19    }20}21public class Test {22    public static void main(String[] args) {23        ShouldContainsOnlyOnce shouldContainsOnlyOnce = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("actual", "expected", "extra", "extra", "extra");24    }25}26public class Test {27    public static void main(String[] args) {28        ShouldContainsOnlyOnce shouldContainsOnlyOnce = ShouldContainsOnlyOnce.shouldContainsOnlyOnce("actual", "expected", "extra", "extra", "extra", "extra");29    }30}

ShouldContainsOnlyOnce

Using AI Code Generation

1import org.assertj.core.error.ShouldContainsOnlyOnce;2import org.assertj.core.api.Assertions;3public class 1 {4public static void main(String[] args) {5Assertions.assertThat("abc").containsOnlyOnce("a");6}7}

ShouldContainsOnlyOnce

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainsOnlyOnce;3public class AssertjShouldContainsOnlyOnceExample1 {4    public static void main(String[] args) {5        String str = "abc";6        String str1 = "abbc";7        Assertions.assertThat(str).overridingErrorMessage(ShouldContainsOnlyOnce.shouldContainsOnlyOnce(str, str1).create()).isEqualTo("abc");8    }9}

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