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 Github

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...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}...

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Source:ShouldContainsOnlyOnce_create_Test.java Github

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...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" +...

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Source:ShouldContainsOnlyOnce.java Github

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...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}...

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ShouldContainsOnlyOnce

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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)

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ShouldContainsOnlyOnce

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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" +

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ShouldContainsOnlyOnce

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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)

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ShouldContainsOnlyOnce

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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) {

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ShouldContainsOnlyOnce

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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());

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ShouldContainsOnlyOnce

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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}

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ShouldContainsOnlyOnce

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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}

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ShouldContainsOnlyOnce

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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}

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ShouldContainsOnlyOnce

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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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