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

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

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1import org.assertj.core.error.ShouldContainsOnlyOnce;2import org.assertj.core.description.Description;3import org.assertj.core.description.TextDescription;4import org.assertj.core.presentation.StandardRepresentation;5import org.assertj.core.presentation.Representation;6import org.assertj.core.util.VisibleForTesting;7public class ShouldContainsOnlyOnceTest {8 Description description = new TextDescription("Test");9 Representation representation = new StandardRepresentation();10 String actual = "actual";11 String expected = "expected";12 public void should_create_error_message() {13 String message = ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected, 1).create(description, representation);14 assertThat(message).isEqualTo("[Test] " + String.format("[actual] should contain only once [expected] but found [1] times"));15 }16}

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ShouldContainsOnlyOnce

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1import org.assertj.core.error.ShouldContainsOnlyOnce;2import org.assertj.core.description.Description;3import org.assertj.core.presentation.Representation;4import org.assertj.core.presentation.StandardRepresentation;5import org.assertj.core.util.VisibleForTesting;6import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldContainsOnlyOnce;7import static org.assertj.core.error.ShouldContainsOnlyOnce.shouldNotContainsOnlyOnce;8import static org.assertj.core.util.Preconditions.checkNotNull;9import static org.assertj.core.util.Strings.join;10import static org.assertj.core.util.Strings.quote;11import static org.assertj.core.util.Strings.unquote;12import static org.assertj.core.util.Strings.unquoteAndEscape;13import static org.assertj.core.util.Strings.unquoteAndEscapeArray;14import org.assertj.core.api.AbstractCharSequenceAssert;15import org.assertj.core.api.AbstractCharSequenceAssertBaseTest;16import org.assertj.core.api.AbstractCharSequenceAssert_shouldNotContainOnlyOnce_Test;17import org.assertj.core.api.Assertions;18import org.assertj.core.api.CharSequenceAssert;19import org.assertj.core.api.CharSequenceAssertBaseTest;20import org.assertj.core.api.ConcreteAssert;21import org.assertj.core.api.StringAssert;22import org.assertj.core.api.StringAssertBaseTest;23import org.assertj.core.api.StringAssert_shouldContainOnlyOnce_Test;24import org.assertj.core.api.StringAssert_shouldNotContainOnlyOnce_Test;25import org.assertj.core.api.StringAssert_startsWith_Test;26import org.assertj.core.api.StringAssert_startsWithIgnoringCase_Test;27import org.assertj

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ShouldContainsOnlyOnce

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1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainOnlyOnce;3import org.assertj.core.internal.TestDescription;4import org.assertj.core.presentation.StandardRepresentation;5import org.assertj.core.util.Throwables;6public class ShouldContainsOnlyOnceExample {7 public static void main(String[] args) {8 try {9 Assertions.assertThat("Hello World!").containsOnlyOnce("o");10 } catch (AssertionError e) {11 System.out.println(Throwables.getStackTraceAsString(e));12 }13 }14}15at org.assertj.core.error.ShouldContainOnlyOnce.create(ShouldContainOnlyOnce.java:30)16at org.assertj.core.internal.Failures.failure(Failures.java:98)17at org.assertj.core.internal.Failures.failure(Failures.java:84)18at org.assertj.core.internal.Strings.assertContainsOnlyOnce(Strings.java:370)19at org.assertj.core.api.AbstractStringAssert.containsOnlyOnce(AbstractStringAssert.java:200)20at ShouldContainsOnlyOnceExample.main(ShouldContainsOnlyOnceExample.java:16)

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ShouldContainsOnlyOnce

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1package org.assertj.core.error;2import org.assertj.core.error.BasicErrorMessageFactory;3import org.assertj.core.error.ErrorMessageFactory;4import org.assertj.core.util.VisibleForTesting;5public class ShouldContainsOnlyOnce extends BasicErrorMessageFactory {6 public static ErrorMessageFactory shouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {7 return new ShouldContainsOnlyOnce(actual, expected, actualCount, expectedCount);8 }9 private ShouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {10 super("%nExpecting:%n <%s>%nto contain only once:%n <%s>%nbut it was found %s times and %s times respectively", actual, expected, actualCount, expectedCount);11 }12}13package org.assertj.core.error;14import org.assertj.core.error.BasicErrorMessageFactory;15import org.assertj.core.error.ErrorMessageFactory;16import org.assertj.core.util.VisibleForTesting;17public class ShouldContainsOnlyOnce extends BasicErrorMessageFactory {18 public static ErrorMessageFactory shouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {19 return new ShouldContainsOnlyOnce(actual, expected, actualCount, expectedCount);20 }21 private ShouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {22 super("%nExpecting:%n <%s>%nto contain only once:%n <%s>%nbut it was found %s times and %s times respectively", actual, expected, actualCount, expectedCount);23 }24}25package org.assertj.core.error;26import org.assertj.core.error.BasicErrorMessageFactory;27import org.assertj.core.error.ErrorMessageFactory;28import org.assertj.core.util.VisibleForTesting;29public class ShouldContainsOnlyOnce extends BasicErrorMessageFactory {30 public static ErrorMessageFactory shouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {31 return new ShouldContainsOnlyOnce(actual, expected, actualCount, expectedCount);32 }33 private ShouldContainsOnlyOnce(Object actual, Object expected, int actualCount, int expectedCount) {34 super("%nExpecting:%n <%s>%nto contain only once:%

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ShouldContainsOnlyOnce

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1package org.example;2import java.util.List;3import java.util.ArrayList;4import java.util.Arrays;5import org.assertj.core.api.Assertions;6import org.assertj.core.error.ShouldContainsOnlyOnce;7public class App {8 public static void main(String[] args) {9 List<Integer> numbers = new ArrayList<Integer>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));10 List<Integer> expected = new ArrayList<Integer>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));11 Assertions.assertThat(numbers).containsOnlyOnce(expected);12 }13}14package org.example;15import java.util.List;16import java.util.ArrayList;17import java.util.Arrays;18import org.assertj.core.api.Assertions;19import org.assertj.core.error.ShouldContainsOnlyOnce;20public class App {21 public static void main(String[] args) {22 List<Integer> numbers = new ArrayList<Integer>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));23 List<Integer> expected = new ArrayList<Integer>(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));24 Assertions.assertThat(numbers).containsOnlyOnce(expected.toArray());25 }26}

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ShouldContainsOnlyOnce

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1package org.assertj.core.error;2import static org.assertj.core.api.BDDAssertions.then;3import java.util.Arrays;4import java.util.List;5import org.junit.jupiter.api.Test;6public class ShouldContainsOnlyOnceTest {7 public void should_create_error_message() {8 List<String> actual = Arrays.asList("a", "b", "c");9 List<String> expected = Arrays.asList("a", "b", "c", "d");10 String errorMessage = ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected).create();11 then(errorMessage).isEqualTo(String.format("%n" +12 " <[\"a\", \"b\", \"c\"]>%n"));13 }14}15package org.assertj.core.error;16import static org.assertj.core.api.BDDAssertions.then;17import java.util.Arrays;18import java.util.List;19import org.junit.jupiter.api.Test;20public class ShouldContainsOnlyOnceTest {21 public void should_create_error_message() {22 List<String> actual = Arrays.asList("a", "b", "c");23 List<String> expected = Arrays.asList("a", "b", "c", "d");24 String errorMessage = ShouldContainsOnlyOnce.shouldContainsOnlyOnce(actual, expected).create();25 then(errorMessage).isEqualTo(String.format("%n" +26 " <[\"a\", \"b\", \"c\"]>%n"));27 }28}

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ShouldContainsOnlyOnce

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1import org.assertj.core.api.*;2import org.assertj.core.error.*;3import java.util.*;4public class ShouldContainsOnlyOnce {5 public static void main(String args[]) {6 List<String> list = new ArrayList<String>();7 list.add("one");8 list.add("two");9 list.add("three");10 Assertions.assertThat(list).containsOnlyOnce("one","two","three");11 }12}

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