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

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

Source:IterableAssert_elements_Test.java

...24/**25 * Tests for <code>{@link IterableAssert#elements(int...)}</code>.26 */27@DisplayName("IterableAssert elements(int...)")28class IterableAssert_elements_Test {29  private final Iterable<String> iterable = list("Homer", "Marge", "Lisa", "Bart", "Maggie");30  @Test31  void should_fail_if_iterable_is_empty() {32    // GIVEN33    Iterable<String> iterable = emptyList();34    // WHEN35    AssertionError assertionError = expectAssertionError(() -> assertThat(iterable).elements(1));36    // THEN37    then(assertionError).hasMessage(actualIsEmpty());38  }39  @Test40  void should_pass_allowing_object_assertions_if_iterable_contains_enough_elements() {41    // WHEN42    IterableAssert<String> result = assertThat(iterable).elements(1);...

IterableAssert_elements_Test

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.tuple;3import static org.assertj.core.util.Lists.newArrayList;4import static org.assertj.core.util.Sets.newLinkedHashSet;5import static org.assertj.core.util.Sets.newTreeSet;6import java.util.List;7import java.util.Set;8import java.util.SortedSet;9import org.assertj.core.api.AbstractIterableAssert;10import org.assertj.core.api.IterableAssert;11import org.assertj.core.api.ObjectAssert;12import org.assertj.core.test.Employee;13import org.assertj.core.test.Name;14import org.junit.Test;15public class IterableAssert_elements_Test {16  public void should_allow_assertions_on_all_elements() {17    List<Employee> employees = newArrayList(yoda, obiwan);18    IterableAssert<Employee> employeesAssert = assertThat(employees);19    employeesAssert.extracting("name", "age").contains(tuple("Yoda", 800), tuple("Obiwan", 57));20    employeesAssert.allSatisfy(employee -> assertThat(employee.getName().getLast()).isNotEmpty())21                   .extracting(Employee::getName)22                   .allSatisfy(name -> assertThat(name.getLast()).isNotEmpty());23  }24  public void should_allow_assertions_on_elements_using_iterable_assertions() {25    List<Employee> employees = newArrayList(yoda, obiwan);26    AbstractIterableAssert<?, List<? extends Employee>, Employee, ObjectAssert<Employee>> employeesAssert = assertThat(employees);27    employeesAssert.extracting("name", "age").contains(tuple("Yoda", 800), tuple("Obiwan", 57));28    employeesAssert.allSatisfy(employee -> assertThat(employee.getName().getLast()).isNotEmpty())29                   .extracting(Employee::getName)30                   .allSatisfy(name -> assertThat(name.getLast()).isNotEmpty());31  }32  public void should_allow_assertions_on_all_elements_using_extracting_result() {33    List<Employee> employees = newArrayList(yoda, obiwan);34    AbstractIterableAssert<?, List<? extends Employee>, Name, ObjectAssert<Name>> namesAssert = assertThat(employees).extracting

IterableAssert_elements_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import org.assertj.core.api.AbstractIterableAssert;3import org.assertj.core.api.AbstractIterableAssertBaseTest;4import org.assertj.core.util.FailureMessages;5import org.junit.jupiter.api.Test;6import java.util.List;7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.api.Assertions.catchThrowable;9import static org.assertj.core.util.AssertionsUtil.expectAssertionError;10import static org.assertj.core.util.Lists.list;11import static org.mockito.Mockito.verify;12class IterableAssert_elements_Test extends AbstractIterableAssertBaseTest {13  protected AbstractIterableAssert<?, List<? extends String>, String, ObjectAssert<String>> invoke_api_method() {14    return assertions.elements();15  }16  protected void verify_internal_effects() {17    verify(iterables).assertIsNotNull(info(), getActual(assertions));18  }19  void should_return_elements() {20    assertThat(list("a", "b", "c")).elements().containsExactly("a", "b", "c");21  }22  void should_fail_if_actual_is_null() {23    List<String> list = null;24    AssertionError error = expectAssertionError(() -> assertThat(list).elements());25    assertThat(error).hasMessage(FailureMessages.actualIsNull());26  }27  void should_fail_if_actual_is_empty() {28    List<String> list = list();29    AssertionError error = expectAssertionError(() -> assertThat(list).elements());30    assertThat(error).hasMessage(FailureMessages.actualIsEmpty());31  }32  void should_fail_if_actual_is_not_iterable() {33    List<String> list = list("a");34    Throwable error = catchThrowable(() -> assertThat(list).elements().containsExactly("a"));35    assertThat(error).isInstanceOf(AssertionError.class)36                     .hasMessageContaining("Expecting an iterable but was:<[a]>");37  }38}39package org.assertj.core.api.iterable;40import org.assertj.core.api.AbstractIterableAssert;41import org.assertj.core.api

IterableAssert_elements_Test

Using AI Code Generation

1package org.assertj.core.api.iterable;2import java.util.List;3import org.assertj.core.api.AbstractIterableAssert;4import org.assertj.core.api.AbstractIterableAssertBaseTest;5import org.assertj.core.api.ConcreteIterableAssert;6import org.assertj.core.data.Index;7import org.assertj.core.util.Lists;8import org.junit.jupiter.api.Test;9import static org.assertj.core.api.Assertions.assertThat;10import static org.assertj.core.api.Assertions.catchThrowable;11import static org.assertj.core.test.TestData.someInfo;12import static org.mockito.Mockito.verify;13import static org.mockito.Mockito.verifyNoMoreInteractions;14import static org.mockito.Mockito.when;15public class IterableAssert_elements_Test extends AbstractIterableAssertBaseTest {16  public void should_allow_assertions_on_elements() {17    List<String> actual = Lists.newArrayList("Luke", "Yoda", "Leia");18    when(iterables.assertContains(someInfo(), actual, "Yoda")).thenReturn(new ConcreteIterableAssert<>(actual));19    AbstractIterableAssert<?, List<? extends String>, String, ObjectAssert<String>> result = assertions.elements(1);20    assertThat(result).isNotNull();21    verify(iterables).assertContains(someInfo(), actual, "Yoda");22    verifyNoMoreInteractions(iterables);23  }24  public void should_allow_assertions_on_elements_with_index() {25    List<String> actual = Lists.newArrayList("Luke", "Yoda", "Leia");26    when(iterables.assertContains(someInfo(), actual, "Luke", Index.atIndex(0))).thenReturn(new ConcreteIterableAssert<>(actual));27    AbstractIterableAssert<?, List<? extends String>, String, ObjectAssert<String>> result = assertions.elements(0, Index.atIndex(0));28    assertThat(result).isNotNull();29    verify(iterables).assertContains(someInfo(), actual, "Luke", Index.atIndex(0));30    verifyNoMoreInteractions(iterables);31  }32  public void should_throw_error_if_index_is_null() {33    Index index = null;34    Throwable thrown = catchThrowable(() -> assertions.elements(0, index));35    assertThat(thrown).isInstanceOf(NullPointerException.class);36  }37  protected ConcreteIterableAssert<Object> invoke_api_method() {38    return assertions.elements(1);39  }

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