How to use modifiableCollections method of org.assertj.core.api.collection.CollectionAssert_isUnmodifiable_Test class

Best Assertj code snippet using org.assertj.core.api.collection.CollectionAssert_isUnmodifiable_Test.modifiableCollections

Source:CollectionAssert_isUnmodifiable_Test.java

...55    // THEN56    then(assertionError).hasMessage(shouldNotBeNull().create());57  }58  @ParameterizedTest59  @MethodSource("modifiableCollections")60  void should_fail_if_actual_can_be_modified(Collection<?> actual, ErrorMessageFactory errorMessageFactory) {61    // WHEN62    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isUnmodifiable());63    // THEN64    then(assertionError).as(actual.getClass().getName())65                        .hasMessage(errorMessageFactory.create());66  }67  private static Stream<Arguments> modifiableCollections() {68    return Stream.of(arguments(new ArrayList<>(), shouldBeUnmodifiable("Collection.add(null)")),69                     arguments(new LinkedHashSet<>(), shouldBeUnmodifiable("Collection.add(null)")),70                     arguments(new LinkedList<>(), shouldBeUnmodifiable("Collection.add(null)")),71                     arguments(new HashSet<>(), shouldBeUnmodifiable("Collection.add(null)")),72                     arguments(newArrayList(new Object()), shouldBeUnmodifiable("Collection.add(null)")),73                     arguments(newLinkedHashSet(new Object()), shouldBeUnmodifiable("Collection.add(null)")),74                     arguments(newTreeSet("element"), shouldBeUnmodifiable("Collection.add(null)", new NullPointerException())));75  }76  // See https://issues.apache.org/jira/browse/COLLECTIONS-79977  @Test78  void should_fail_with_commons_collections_UnmodifiableNavigableSet() {79    // GIVEN80    Collection<?> actual = UnmodifiableNavigableSet.unmodifiableNavigableSet(newTreeSet("element"));81    // WHEN82    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isUnmodifiable());83    // THEN84    then(assertionError).hasMessage(shouldBeUnmodifiable("NavigableSet.pollFirst()").create());85  }86  @ParameterizedTest87  @MethodSource("unmodifiableCollections")88  void should_pass(Collection<?> actual) {89    // WHEN/THEN90    assertThatNoException().as(actual.getClass().getName())91                           .isThrownBy(() -> assertThat(actual).isUnmodifiable());92  }93  private static Stream<Collection<?>> unmodifiableCollections() {94    return Stream.of(Collections.emptyList(),95                     Collections.emptyNavigableSet(),96                     Collections.emptySet(),97                     Collections.emptySortedSet(),98                     Collections.singleton("element"),99                     Collections.singletonList("element"),100                     Collections.unmodifiableCollection(list(new Object())),101                     Collections.unmodifiableList(list(new Object())),102                     Collections.unmodifiableNavigableSet(newTreeSet("element")),103                     Collections.unmodifiableSet(set(new Object())),104                     Collections.unmodifiableSortedSet(newTreeSet("element")),105                     ImmutableList.of(new Object()),106                     ImmutableSet.of(new Object()),107                     ImmutableSortedSet.of("element"),...

modifiableCollections

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import java.util.ArrayList;4import java.util.List;5import java.util.Set;6import org.junit.jupiter.api.Test;7class CollectionAssert_isUnmodifiable_Test {8  void should_pass_if_actual_is_unmodifiable() {9    assertThatExceptionOfType(UnsupportedOperationException.class).isThrownBy(() -> modifiableCollections().add("bar"));10    assertThatExceptionOfType(UnsupportedOperationException.class).isThrownBy(() -> modifiableCollections().remove("foo"));11    assertThatExceptionOfType(UnsupportedOperationException.class).isThrownBy(() -> modifiableCollections().clear());12  }13  private List<String> modifiableCollections() {14    List<String> list = new ArrayList<>();15    list.add("foo");16    return list;17  }18}19at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:62)20at org.assertj.core.api.AssertionsForClassTypes.catchThrowable(AssertionsForClassTypes.java:1041)21at org.assertj.core.api.AssertionsForClassTypes.catchThrowable(AssertionsForClassTypes.java:1013)22at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1252)23at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1246)24at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1294)25at CollectionAssert_isUnmodifiable_Test.should_pass_if_actual_is_unmodifiable(CollectionAssert_isUnmodifiable_Test.java:22)26at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)27at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)28at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)29at java.base/java.lang.reflect.Method.invoke(Method.java:566)30at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)31at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)32at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)33at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)34at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140

modifiableCollections

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.collection.CollectionAssert_isUnmodifiable_Test;3public class CollectionAssert_isUnmodifiable_TestExample {4  public static void main(String[] args) {5    CollectionAssert_isUnmodifiable_Test collectionAssert_isUnmodifiable_Test = new CollectionAssert_isUnmodifiable_Test();6    collectionAssert_isUnmodifiable_Test.modifiableCollections();7  }8}9	at java.util.Collections$UnmodifiableCollection.add(Collections.java:1055)10	at org.assertj.core.api.collection.CollectionAssert_isUnmodifiable_Test.modifiableCollections(CollectionAssert_isUnmodifiable_Test.java:33)11	at CollectionAssert_isUnmodifiable_TestExample.main(CollectionAssert_isUnmodifiable_TestExample.java:14)

modifiableCollections

Using AI Code Generation

1package org.assertj.core.api.collection;2import java.util.ArrayList;3import java.util.Collection;4import java.util.List;5import org.assertj.core.api.CollectionAssert;6import org.assertj.core.api.CollectionAssert_isUnmodifiable_Test;7import org.assertj.core.util.Lists;8import org.junit.jupiter.api.Test;9class CollectionAssert_isUnmodifiable_Test {10    void should_pass_if_actual_is_unmodifiable() {11        final CollectionAssert_isUnmodifiable_Test.ModifiableCollection actual = new CollectionAssert_isUnmodifiable_Test.ModifiableCollection();12        final CollectionAssert<Object> assertions = CollectionAssert_isUnmodifiable_Test.should_pass_if_actual_is_unmodifiable(actual);13        assertions.isUnmodifiable();14    }15    void should_fail_if_actual_is_modifiable() {16        final CollectionAssert_isUnmodifiable_Test.ModifiableCollection actual = new CollectionAssert_isUnmodifiable_Test.ModifiableCollection();17        final CollectionAssert<Object> assertions = CollectionAssert_isUnmodifiable_Test.should_fail_if_actual_is_modifiable(actual);18        assertions.isUnmodifiable();19    }20    void should_fail_if_actual_is_null() {21        final CollectionAssert_isUnmodifiable_Test.ModifiableCollection actual = null;22        final CollectionAssert<Object> assertions = CollectionAssert_isUnmodifiable_Test.should_fail_if_actual_is_null(actual);23        assertions.isUnmodifiable();24    }25    void should_fail_if_actual_is_empty() {26        final CollectionAssert_isUnmodifiable_Test.ModifiableCollection actual = new CollectionAssert_isUnmodifiable_Test.ModifiableCollection();27        final CollectionAssert<Object> assertions = CollectionAssert_isUnmodifiable_Test.should_fail_if_actual_is_empty(actual);28        assertions.isUnmodifiable();29    }30    void should_pass_if_actual_is_unmodifiable_whatever_custom_comparison_strategy_is() {31        final CollectionAssert_isUnmodifiable_Test.ModifiableCollection actual = new CollectionAssert_isUnmodifiable_Test.ModifiableCollection();32        final CollectionAssert<Object> assertions = CollectionAssert_isUnmodifiable_Test.should_pass_if_actual_is_unmodifiable_whatever_custom_comparison_strategy_is(actual);

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