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How to use assertThatIterator method of org.assertj.core.api.Assertions class

Best Assertj code snippet using org.assertj.core.api.Assertions.assertThatIterator

Source:Assertions_assertThatIterator_Test.java

...11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.api;14import static java.util.Arrays.asList;15import static org.assertj.core.api.Assertions.assertThatIterator;16import static org.assertj.core.api.BDDAssertions.then;17import static org.assertj.core.util.AssertionsUtil.expectAssertionError;18import static org.assertj.core.util.Sets.newLinkedHashSet;19import static org.mockito.Mockito.mock;20import static org.mockito.Mockito.verifyNoInteractions;21import java.util.Iterator;22import org.junit.jupiter.api.Test;23class Assertions_assertThatIterator_Test {24  private final StringIterator stringIterator = new StringIterator();25  private static final class StringIterator implements Iterator<String> {26    @Override27    public boolean hasNext() {28      return true;29    }30    @Override31    public String next() {32      return "";33    }34    @Override35    public void remove() {}36  }37  @Test38  void should_create_Assert() {39    // GIVEN40    Iterable<Object> actual = newLinkedHashSet();41    // WHEN42    IteratorAssert<Object> iteratorAssert = assertThatIterator(actual.iterator());43    // THEN44    then(iteratorAssert).isNotNull();45  }46  @SuppressWarnings("unchecked")47  @Test48  void should_initialise_actual() {49    // GIVEN50    Iterator<String> names = asList("Luke", "Leia").iterator();51    // WHEN52    Iterator<String> actual = (Iterator<String>) assertThatIterator(names).actual;53    // THEN54    then(actual).hasNext();55  }56  @Test57  void should_allow_null() {58    then(assertThatIterator((Iterator<String>) null).actual).isNull();59  }60  @Test61  void isEqualTo_should_honor_comparing_the_same_mocked_iterator() {62    // GIVEN63    Iterator<?> iterator = mock(Iterator.class);64    // WHEN/THEN65    assertThatIterator(iterator).isEqualTo(iterator);66  }67  @Test68  void should_not_consume_iterator_when_asserting_non_null() {69    // GIVEN70    Iterator<?> iterator = mock(Iterator.class);71    // WHEN72    assertThatIterator(iterator).isNotNull();73    // THEN74    verifyNoInteractions(iterator);75  }76  @Test77  void isInstanceOf_should_check_the_original_iterator_without_consuming_it() {78    // GIVEN79    Iterator<?> iterator = mock(Iterator.class);80    // WHEN81    assertThatIterator(iterator).isInstanceOf(Iterator.class);82    // THEN83    verifyNoInteractions(iterator);84  }85  @Test86  void isInstanceOfAny_should_check_the_original_iterator_without_consuming_it() {87    // GIVEN88    Iterator<?> iterator = mock(Iterator.class);89    // WHEN90    then(iterator).isInstanceOfAny(Iterator.class, String.class);91    // THEN92    verifyNoInteractions(iterator);93  }94  @Test95  void isOfAnyClassIn_should_check_the_original_iterator_without_consuming_it() {96    assertThatIterator(stringIterator).isOfAnyClassIn(Iterator.class, StringIterator.class);97  }98  @Test99  void isExactlyInstanceOf_should_check_the_original_iterator() {100    assertThatIterator(new StringIterator()).isExactlyInstanceOf(StringIterator.class);101  }102  @Test103  void isNotExactlyInstanceOf_should_check_the_original_iterator() {104    // WHEN105    assertThatIterator(stringIterator).isNotExactlyInstanceOf(Iterator.class);106    // THEN107    expectAssertionError(() -> then(stringIterator).isNotExactlyInstanceOf(StringIterator.class));108  }109  @Test110  void isNotInstanceOf_should_check_the_original_iterator() {111    assertThatIterator(stringIterator).isNotInstanceOf(Long.class);112  }113  @Test114  void isNotInstanceOfAny_should_check_the_original_iterator() {115    assertThatIterator(stringIterator).isNotInstanceOfAny(Long.class, String.class);116  }117  @Test118  void isNotOfAnyClassIn_should_check_the_original_iterator() {119    assertThatIterator(stringIterator).isNotOfAnyClassIn(Long.class, String.class);120  }121  @Test122  void isSameAs_should_check_the_original_iterator_without_consuming_it() {123    // GIVEN124    Iterator<?> iterator = mock(Iterator.class);125    // WHEN126    assertThatIterator(iterator).isSameAs(iterator);127    // THEN128    verifyNoInteractions(iterator);129  }130  @Test131  void isNotSameAs_should_check_the_original_iterator_without_consuming_it() {132    // GIVEN133    Iterator<?> iterator = mock(Iterator.class);134    // WHEN135    expectAssertionError(() -> assertThatIterator(iterator).isNotSameAs(iterator));136    // THEN137    verifyNoInteractions(iterator);138  }139  @Test140  void iterator_can_be_asserted_twice() {141    // GIVEN142    Iterator<String> names = asList("Luke", "Leia").iterator();143    // WHEN/THEN144    assertThatIterator(names).hasNext().hasNext();145  }146}...

Source:Assertions_assertThat_ambiguous_Test.java

...10 *11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.api.test;14import static org.assertj.core.api.Assertions.assertThatIterator;15import static org.assertj.core.api.AssertionsForClassTypes.assertThat;16import static org.assertj.core.api.PredicateAssert.assertThatPredicate;17import java.util.Iterator;18import java.util.function.Predicate;19import org.junit.jupiter.api.Test;20// not in org.assertj.core.api package to avoid resolving classes from it21class Assertions_solving_assertThat_ambiguous_Test {22  @Test23  void should_resolve_ambiguous_assertThat_for_interfaces_and_use_assertThat_for_classes() {24    // GIVEN25    IteratorPredicate<String> iteratorPredicate = new IteratorPredicate<>();26    // WHEN/THEN27    assertThatPredicate(iteratorPredicate).rejects("foo");28    assertThatIterator(iteratorPredicate).isExhausted();29    // assertions from AssertionsForClassTypes.assertThat30    assertThat("").isEmpty();31    assertThat(2L).isPositive();32  }33  static class IteratorPredicate<T> implements Iterator<T>, Predicate<T> {34    @Override35    public boolean test(T t) {36      return false;37    }38    @Override39    public boolean hasNext() {40      return false;41    }42    @Override...

assertThatIterator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatIterator;2import java.util.ArrayList;3import java.util.Iterator;4import java.util.List;5public class 1 {6    public static void main(String[] args) {7        List<Integer> list = new ArrayList<>();8        list.add(1);9        list.add(2);10        list.add(3);11        Iterator<Integer> iterator = list.iterator();12        assertThatIterator(iterator).containsExactly(1, 2, 3);13    }14}15to contain exactly (and in same order):16import static org.assertj.core.api.Assertions.assertThatIterator;17import java.util.ArrayList;18import java.util.Iterator;19import java.util.List;20public class 2 {21    public static void main(String[] args) {22        List<Integer> list = new ArrayList<>();23        list.add(1);24        list.add(2);25        list.add(3);26        Iterator<Integer> iterator = list.iterator();27        assertThatIterator(iterator).containsExactly(1, 2, 4);28    }29}30to contain exactly (and in same order):31import static org.assertj.core.api.Assertions.assertThatIterator;32import java.util.ArrayList;33import java.util.Iterator;34import java.util.List;35public class 3 {36    public static void main(String[] args) {37        List<Integer> list = new ArrayList<>();38        list.add(1);39        list.add(2);40        list.add(3);41        Iterator<Integer> iterator = list.iterator();42        assertThatIterator(iterator).containsExactly(1, 2, 3, 4

assertThatIterator

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import java.util.ArrayList;3import java.util.Iterator;4import java.util.List;5public class 1 {6    public static void main(String[] args) {7        List<String> list = new ArrayList<>();8        list.add("A");9        list.add("B");10        list.add("C");11        list.add("D");12        list.add("E");13        Iterator<String> iterator = list.iterator();14        Assertions.assertThatIterator(iterator).containsExactly("A", "B", "C", "D", "E");15    }16}

assertThatIterator

Using AI Code Generation

1import org.junit.Test;2import java.util.Arrays;3import java.util.Iterator;4import java.util.List;5import static org.assertj.core.api.Assertions.assertThatIterator;6public class AssertThatIterator {7    public void testAssertThatIterator() {8        List<String> list = Arrays.asList("one", "two", "three");9        Iterator<String> iterator = list.iterator();10        assertThatIterator(iterator).containsExactly("one", "two", "three");11    }12}

assertThatIterator

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import java.util.ArrayList;3import java.util.Iterator;4import java.util.List;5public class 1 {6  public static void main(String[] args) {7    List<String> list = new ArrayList<String>();8    list.add("one");9    list.add("two");10    list.add("three");11    Iterator<String> iter = list.iterator();12    Assertions.assertThatIterator(iter).containsExactly("one", "two", "three");13  }14}

assertThatIterator

Using AI Code Generation

1package org.example;2import java.util.Arrays;3import java.util.Iterator;4import java.util.List;5import org.assertj.core.api.Assertions;6public class App {7    public static void main(String[] args) {8        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);9        Iterator<Integer> iterator = list.iterator();10        Assertions.assertThatIterator(iterator)11                .toIterable()12                .containsExactly(1, 2, 3, 4, 5);13    }14}

assertThatIterator

Using AI Code Generation

1package org.example;2import java.util.Iterator;3import java.util.List;4import org.assertj.core.api.Assertions;5public class App {6    public static void main(String[] args) {7        List<String> list = List.of("one", "two", "three");8        Iterator<String> iterator = list.iterator();9        Assertions.assertThatIterator(iterator)10                .toIterable()11                .containsExactly("one", "two", "three");12    }13}

assertThatIterator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatIterator;2import java.util.ArrayList;3import java.util.Iterator;4import java.util.List;5public class Test {6   public static void main(String[] args) {7      List<String> list = new ArrayList<String>();8      list.add("One");9      list.add("Two");10      list.add("Three");11      list.add("Four");12      list.add("Five");13      Iterator<String> itr = list.iterator();14      assertThatIterator(itr).containsSequence("One", "Two", "Three");15      System.out.println("The iterator contains the specified elements");16   }17}18Recommended Posts: Java | AssertJ - assertThatIterable() method19Java | AssertJ - assertThatCode() method20Java | AssertJ - assertThatObject() method21Java | AssertJ - assertThat() method22Java | AssertJ - assertThatExceptionOfType() method23Java | AssertJ - assertThatThrownBy() method24Java | AssertJ - assertThatIllegalArgumentException() method25Java | AssertJ - assertThatIllegalStateException() method26Java | AssertJ - assertThatNullPointerException() method27Java | AssertJ - assertThatArray() method28Java | AssertJ - assertThatBoolean() method29Java | AssertJ - assertThatDouble() method30Java | AssertJ - assertThatInteger() method31Java | AssertJ - assertThatLong() method32Java | AssertJ - assertThatShort() method33Java | AssertJ - assertThatString() method34Java | AssertJ - assertThatFile() method35Java | AssertJ - assertThatInputStream() method36Java | AssertJ - assertThatReader() method37Java | AssertJ - assertThatByteArray() method38Java | AssertJ - assertThatDoubleArray() method39Java | AssertJ - assertThatFloatArray() method40Java | AssertJ - assertThatIntArray() method41Java | AssertJ - assertThatLongArray() method42Java | AssertJ - assertThatShortArray() method43Java | AssertJ - assertThatMap() method44Java | AssertJ - assertThatList() method45Java | AssertJ - assertThatSet() method46Java | AssertJ - assertThatDate() method47Java | AssertJ - assertThatLocalDate() method48Java | AssertJ - assertThatLocalDateTime() method

assertThatIterator

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatIterator;2import java.util.Iterator;3import java.util.ArrayList;4import org.junit.Test;5public class Test1 {6   public void test() {7      Iterator<Integer> itr = new ArrayList<Integer>().iterator();8      assertThatIterator(itr).isEmpty();9   }10}11at org.assertj.core.internal.Iterables.assertEmpty(Iterables.java:159)12at org.assertj.core.api.AbstractIterableAssert.isEmpty(AbstractIterableAssert.java:144)13at Test1.test(Test1.java:10)

assertThatIterator

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import java.util.ArrayList;4import java.util.Iterator;5import java.util.List;6public class TestAssertThatIterator {7    public void test() {8        List<Integer> list = new ArrayList<>();9        list.add(1);10        list.add(2);11        list.add(3);12        Iterator<Integer> iterator = list.iterator();13        Assertions.assertThatIterator(iterator)14                .containsExactly(1, 2, 3);15    }16}17to contain exactly (and in same order):18at org.junit.Assert.assertEquals(Assert.java:115)19at org.junit.Assert.assertEquals(Assert.java:144)20at org.assertj.core.api.AbstractIterableAssert.isEqualTo(AbstractIterableAssert.java:226)21at org.assertj.core.api.AbstractIterableAssert.isEqualTo(AbstractIterableAssert.java:32)22at org.assertj.core.api.Assertions$AssertThatIterator.containsExactly(Assertions.java:2935)23at TestAssertThatIterator.test(TestAssertThatIterator.java:16)

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