How to use IterableAssert_singleElement_with_InstanceOfAssertFactory_Test class of org.assertj.core.api.iterable package

Best Assertj code snippet using org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Source:IterableAssert_singleElement_with_InstanceOfAssertFactory_Test.java

...30 * 31 * @author Michael Grafl32 */33@DisplayName("IterableAssert singleElement(InstanceOfAssertFactory)")34class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {35  private final Iterable<String> babySimpsons = list("Maggie");36  private final Iterable<String> simpsons = list("Homer", "Marge", "Lisa", "Bart", "Maggie");37  @Test38  void should_fail_if_iterable_is_empty() {39    // GIVEN40    Iterable<String> iterable = emptyList();41    // WHEN42    AssertionError assertionError = expectAssertionError(() -> assertThat(iterable).singleElement(STRING));43    // THEN44    then(assertionError).hasMessageContaining("Expected size:<1> but was:<0>");45  }46  @Test47  void should_fail_throwing_npe_if_assert_factory_is_null() {48    // WHEN...

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import org.assertj.core.api.IterableAssert;3import org.assertj.core.api.IterableAssertBaseTest;4import org.assertj.core.test.ExpectedException;5import org.junit.jupiter.api.DisplayName;6import org.junit.jupiter.api.Test;7import org.junit.jupiter.api.TestInfo;8import static org.assertj.core.api.Assertions.assertThat;9import static org.assertj.core.api.Assertions.assertThatExceptionOfType;10import static org.assertj.core.api.Assertions.catchThrowable;11import static org.assertj.core.api.BDDAssertions.then;12import static org.assertj.core.error.ShouldHaveSingleElement.shouldHaveSingleElement;13import static org.assertj.core.util.AssertionsUtil.expectAssertionError;14import static org.assertj.core.util.FailureMessages.actualIsNull;15@DisplayName("IterableAssert singleElement(InstanceOfAssertFactory) with InstanceOfAssertFactory")16class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test extends IterableAssertBaseTest {17  private final InstanceOfAssertFactory<String, ? extends AbstractStringAssert<?>> stringAssertFactory = new InstanceOfAssertFactory<>(String.class, Assertions::assertThat);18  void should_pass_if_iterable_has_single_element_and_assertion_holds() {19    Iterable<String> actual = singletonList("foo");20    then(underTest.singleElement(stringAssertFactory).satisfies(s -> s.startsWith("f"))).isSameAs(underTest);21  }22  void should_fail_if_iterable_is_null() {23    Iterable<String> actual = null;24    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).singleElement(stringAssertFactory));25    then(assertionError).hasMessage(actualIsNull());26  }27  void should_fail_if_iterable_is_empty() {28    Iterable<String> actual = emptyList();29    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).singleElement(stringAssertFactory));30    then(assertionError).hasMessage(shouldHaveSingleElement(actual).create());31  }32  void should_fail_if_iterable_has_more_than_one_element() {33    Iterable<String> actual = asList("foo", "bar");34    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).singleElement(stringAssertFactory));

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatExceptionOfType;4import static org.assertj.core.api.Assertions.catchThrowable;5import static org.assertj.core.api.Assertions.entry;6import static org.assertj.core.api.Assertions.tuple;7import static org.assertj.core.api.Assertions.within;8import static org.assertj.core.api.BDDAssertions.then;9import static org.assertj.core.api.BDDAssertions.thenThrownBy;10import static org.assertj.core.api.BDDAssertions.thenThrownByCode;11import static org.assertj.core.api.BDDAssertions.thenThrownByCodeWithMessage;12import static org.assertj.core.api.BDDAssertions.thenThrownByCodeWithMessageContaining;13import static org.assertj.core.api.BDDAssertions.thenThrownByCodeWithMessageMatching;14import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessage;15import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageContaining;16import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatching;17import static org.assertj.core.api.BDDAssertions.thenThrownByWithNoCause;18import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageContainingAll;19import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageContainingAny;20import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAll;21import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAny;22import static org.assertj.core.api.BDDAssertions.thenThrownByWithNoCauseMessage;23import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAll;24import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAny;25import static org.assertj.core.api.BDDAssertions.thenThrownByWithNoCauseMessage;26import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAll;27import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAny;28import static org.assertj.core.api.BDDAssertions.thenThrownByWithNoCauseMessage;29import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAll;30import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAny;31import static org.assertj.core.api.BDDAssertions.thenThrownByWithNoCauseMessage;32import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAll;33import static org.assertj.core.api.BDDAssertions.thenThrownByWithMessageMatchingAny;34import static org.assertj.core.api.BDD

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import static java.util.Collections.singleton;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.entry;5import static org.assertj.core.api.Assertions.tuple;6import static org.assertj.core.api.Assertions.useDefaultDateFormatsOnly;7import static org.assertj.core.api.Assertions.within;8import static org.assertj.core.api.Assertions.withPrecision;9import static org.assertj.core.api.Assertions.withinPercentage;10import static org.assertj.core.api.BDDAssertions.then;11import static org.assertj.core.api.InstanceOfAssertFactories.BIG_DECIMAL;12import static org.assertj.core.api.InstanceOfAssertFactories.BIG_INTEGER;13import static org.assertj.core.api.InstanceOfAssertFactories.BYTE;14import static org.assertj.core.api.InstanceOfAssertFactories.CHARACTER;15import static org.assertj.core.api.InstanceOfAssertFactories.DOUBLE;16import static org.assertj.core.api.InstanceOfAssertFactories.FLOAT;17import static org.assertj.core.api.InstanceOfAssertFactories.INTEGER;18import static org.assertj.core.api.InstanceOfAssertFactories.LONG;19import static org.assertj.core.api.InstanceOfAssertFactories.SHORT;20import static org.assertj.core.api.InstanceOfAssertFactories.STRING;21import static org.assertj.core.api.InstanceOfAssertFactories.URL;22import static org.assertj.core.api.InstanceOfAssertFactories.atomicBoolean;23import static org.assertj.core.api.InstanceOfAssertFactories.atomicInteger;24import static org.assertj.core.api.InstanceOfAssertFactories.atomicIntegerFieldUpdater;25import static org.assertj.core.api.InstanceOfAssertFactories.atomicLong;26import static org.assertj.core.api.InstanceOfAssertFactories.atomicLongFieldUpdater;27import static org.assertj.core.api.InstanceOfAssertFactories.atomicReference;28import static org.assertj.core.api.InstanceOfAssertFactories.atomicReferenceArray;29import static org.assertj.core.api.InstanceOfAssertFactories.atomicReferenceFieldUpdater;30import static org.assertj.core.api.InstanceOfAssertFactories.atomicStampedReference;31import static org.assertj.core.api.InstanceOfAssertFactories.atomicIntegerArray;32import static org.assertj.core.api.InstanceOfAssertFactories.atomicLongArray;33import static org.assertj.core.api.InstanceOfAssertFactories.atomicMarkableReference;34import static org.assertj.core.api.InstanceOfAssertFactories.atomicReferenceArray;35import static org.assertj.core.api.InstanceOfAssertFactories.atomicReferenceFieldUpdater;36import static org.assertj.core.api.InstanceOfAssertFactories.atomicStampedReference;37import static org.assertj.core.api.InstanceOfAssertFactories.atomicMarkableReference;38import static org.assertj.core

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1import org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test;2import org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test;3public class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {4    public static void main(String[] args) {5        IterableAssert_singleElement_with_InstanceOfAssertFactory_Test iterableAssert_singleElement_with_InstanceOfAssertFactory_test = new IterableAssert_singleElement_with_InstanceOfAssertFactory_Test();6        iterableAssert_singleElement_with_InstanceOfAssertFactory_test.test1();7        iterableAssert_singleElement_with_InstanceOfAssertFactory_test.test2();8    }9    public void test1() {10        new IterableAssert_singleElement_with_InstanceOfAssertFactory_Test().test1();11    }12    public void test2() {13        new IterableAssert_singleElement_with_InstanceOfAssertFactory_Test().test2();14    }15}

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1import org.assertj.core.api.IterableAssert;2import org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test;3import org.assertj.core.api.iterable.ThrowingConsumer;4import java.util.function.Consumer;5public class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {6  public static void main(String[] args) {7    IterableAssert_singleElement_with_InstanceOfAssertFactory_Test iterableAssert_singleElement_with_InstanceOfAssertFactory_Test = new IterableAssert_singleElement_with_InstanceOfAssertFactory_Test();8    iterableAssert_singleElement_with_InstanceOfAssertFactory_Test.test_singleElement_with_InstanceOfAssertFactory();9  }10  public void test_singleElement_with_InstanceOfAssertFactory() {11    IterableAssert_singleElement_with_InstanceOfAssertFactory_Test iterableAssert_singleElement_with_InstanceOfAssertFactory_Test = new IterableAssert_singleElement_with_InstanceOfAssertFactory_Test();12    iterableAssert_singleElement_with_InstanceOfAssertFactory_Test.test_singleElement_with_InstanceOfAssertFactory();13  }14  public void test_singleElement_with_InstanceOfAssertFactory() {15    Iterable<String> iterable = newArrayList("Luke");16    assertThat(iterable).singleElement().isInstanceOf(String.class);17  }18  public void test_singleElement_with_InstanceOfAssertFactory_using_lambda() {19    Iterable<String> iterable = newArrayList("Luke");20    assertThat(iterable).singleElement((Consumer<String>) s -> assertThat(s).isInstanceOf(String.class));21  }22  public void test_singleElement_with_InstanceOfAssertFactory_using_method_reference() {23    Iterable<String> iterable = newArrayList("Luke");24    assertThat(iterable).singleElement(this::isString);25  }26  public void test_singleElement_with_InstanceOfAssertFactory_using_assertj_consumer() {27    Iterable<String> iterable = newArrayList("Luke");28    assertThat(iterable).singleElement(ThrowingConsumer.throwingConsumer(s -> assertThat(s).isInstanceOf(String.class)));29  }30  private void isString(String s) {31    assertThat(s).isInstanceOf(String.class);32  }33}

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import java.util.ArrayList;3import java.util.List;4import java.util.function.Consumer;5import java.util.function.Predicate;6import java.util.function.Supplier;7import org.assertj.core.api.AssertFactory;8import org.assertj.core.api.IterableAssert;9import org.assertj.core.api.IterableAssertBaseTest;10import org.assertj.core.api.StringAssert;11import org.assertj.core.util.AssertionsUtil;12import org.assertj.core.util.introspection.IntrospectionError;13import org.junit.jupiter.api.DisplayName;14import org.junit.jupiter.api.Test;15import static org.assertj.core.api.Assertions.assertThat;16import static org.assertj.core.api.Assertions.assertThatNullPointerException;17import static org.assertj.core.api.Assertions.catchThrowable;18import static org.assertj.core.api.BDDAssertions.then;19import static org.assertj.core.api.BDDAssertions.thenThrownBy;20import static org.assertj.core.util.AssertionsUtil.expectAssertionError;21import static org.assertj.core.util.FailureMessages.actualIsNull;22@DisplayName("IterableAssert singleElement(InstanceOfAssertFactory) tests")23class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test extends IterableAssertBaseTest {24  private static final AssertFactory<String, StringAssert> STRING_ASSERT_FACTORY = StringAssert::new;25  protected IterableAssert<Object> invoke_api_method() {26    return assertions.singleElement(STRING_ASSERT_FACTORY);27  }28  protected void verify_internal_effects() {29    verify(iterables).assertHasSize(getInfo(assertions), getActual(assertions), 1);30    verify(iterables).assertIsNotEmpty(getInfo(assertions), getActual(assertions));31  }32  void should_pass_if_single_element_is_instance_of_expected_type() {33    List<Object> list = new ArrayList<>();34    list.add("test");35    then(list).singleElement(STRING_ASSERT_FACTORY).isEqualTo("test");36  }37  void should_fail_if_actual_is_null() {38    List<Object> list = null;39    AssertionError error = expectAssertionError(() -> then(list).singleElement(STRING_ASSERT_FACTORY).isEqualTo("test"));40    then(error).hasMessage(actualIsNull());41  }42  void should_fail_if_actual_has_more_than_one_element() {43    List<Object> list = new ArrayList<>();44    list.add("test");45    list.add("test");46    AssertionError error = expectAssertionError(() ->

IterableAssert_singleElement_with_InstanceOfAssertFactory_Test

Using AI Code Generation

1import org.assertj.core.api.iterable.IterableAssert_singleElement_with_InstanceOfAssertFactory_Test;2import java.util.List;3import static org.assertj.core.api.Assertions.assertThat;4public class IterableAssert_singleElement_with_InstanceOfAssertFactory_Test {5  public void should_pass_if_iterable_contains_single_element_of_expected_type() {6    assertThat(List.of(new String("foo"))).singleElement()7                                          .isInstanceOf(String.class);8  }9  public void should_fail_if_iterable_is_empty() {10    List<String> actual = List.of();11    AssertionError error = expectAssertionError(() -> assertThat(actual).singleElement()12                                                                       .isInstanceOf(String.class));13    then(error).hasMessage(shouldContainSingleElement(actual).create());14  }15  public void should_fail_if_iterable_contains_more_than_one_element() {16    List<String> actual = List.of("foo", "bar");17    AssertionError error = expectAssertionError(() -> assertThat(actual).singleElement()18                                                                       .isInstanceOf(String.class));19    then(error).hasMessage(shouldContainSingleElement(actual).create());20  }21  public void should_fail_if_iterable_contains_single_element_of_wrong_type() {22    List<String> actual = List.of("foo");23    AssertionError error = expectAssertionError(() -> assertThat(actual).singleElement()24                                                                       .isInstanceOf(Integer.class));25    then(error).hasMessage(shouldHaveSingleElementInstanceOf(actual, Integer.class).create());26  }27}

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