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

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

Source:Assertions_assertThatIterator_Test.java Github

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...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}...

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Source:IteratorAssert.java Github

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...22 *23 * @author Stephan Windmüller24 */25public class IteratorAssert<ELEMENT> extends AbstractIteratorAssert<IteratorAssert<ELEMENT>, ELEMENT> {26 public static <ELEMENT> IteratorAssert<ELEMENT> assertThatIterator(Iterator<? extends ELEMENT> actual) {27 return new IteratorAssert<>(actual);28 }29 public IteratorAssert(Iterator<? extends ELEMENT> actual) {30 super(actual, IteratorAssert.class);31 }32}...

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assertThatIterator

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

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assertThatIterator

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1import org.assertj.core.api.IteratorAssert;2import org.junit.Test;3import java.util.ArrayList;4import java.util.Iterator;5import java.util.List;6import static org.assertj.core.api.Assertions.assertThat;7public class AssertJTest {8 public void testAssertThatIterator() {9 List<String> list = new ArrayList<>();10 list.add("one");11 list.add("two");12 list.add("three");13 Iterator<String> i = list.iterator();14 assertThat(i).hasNext();15 assertThat(i).next().isEqualTo("one");16 assertThat(i).hasNext();17 assertThat(i).next().isEqualTo("two");18 assertThat(i).hasNext();19 assertThat(i).next().isEqualTo("three");20 assertThat(i).isExhausted();21 }22}23 at org.junit.Assert.assertEquals(Assert.java:115)24 at org.junit.Assert.assertEquals(Assert.java:144)25 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)26 at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:79)27 at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:55)28 at AssertJTest.testAssertThatIterator(AssertJTest.java:22)29assertThat(Iterator<T> actual)30public static <T> IteratorAssert<T> assertThat(Iterator<T> actual)31assertThat(Iterator<T> actual, Class<S> selfType)32public static <T, S extends IteratorAssert<S, T>> S assertThat(Iterator<T> actual, Class<S> selfType)33assertThat(Iterator<T> actual, Class<S> selfType, Description description)34public static <T, S extends IteratorAssert<S, T>> S assertThat(Iterator<T> actual, Class<S> selfType, Description description)35assertThat(Iterator<T> actual, Description description)36public static <T> IteratorAssert<T> assertThat(Iterator<T> actual, Description description)37assertThat(Iterator<T> actual, AbstractAssert<?, ?> original

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assertThatIterator

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1package org.example;2import java.util.Iterator;3import java.util.Arrays;4import java.util.List;5import org.assertj.core.api.Assertions;6public class Example {7 public static void main(String[] args) {8 List<String> list = Arrays.asList("foo", "bar");9 Iterator<String> iterator = list.iterator();10 Assertions.assertThatIterator(iterator).contains("foo");11 }12}13package org.example;14import java.util.Iterator;15import java.util.Arrays;16import java.util.List;17import org.assertj.core.api.Assertions;18public class Example {19 public static void main(String[] args) {20 List<String> list = Arrays.asList("foo", "bar");21 Iterator<String> iterator = list.iterator();22 Assertions.assertThatIterator(iterator).contains("foo");23 }24}25package org.example;26import java.util.Iterator;27import java.util.Arrays;28import java.util.List;29import org.assertj.core.api.Assertions;30public class Example {31 public static void main(String[] args) {32 List<String> list = Arrays.asList("foo", "bar");33 Iterator<String> iterator = list.iterator();34 Assertions.assertThatIterator(iterator).contains("foo");35 }36}37package org.example;38import java.util.Iterator;39import java.util.Arrays;40import java.util.List;41import org.assertj.core.api.Assertions;42public class Example {43 public static void main(String[] args) {44 List<String> list = Arrays.asList("foo", "bar");45 Iterator<String> iterator = list.iterator();46 Assertions.assertThatIterator(iterator).contains("foo");47 }48}49package org.example;50import java.util.Iterator;51import java.util.Arrays;52import java.util.List;53import org.assertj.core.api.Assertions;54public class Example {55 public static void main(String[] args) {56 List<String> list = Arrays.asList("foo", "bar");57 Iterator<String> iterator = list.iterator();58 Assertions.assertThatIterator(iterator).contains("foo");59 }60}

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assertThatIterator

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1import org.assertj.core.api.Assertions;2import org.assertj.core.api.IteratorAssert;3import java.util.ArrayList;4import java.util.Iterator;5import java.util.List;6import java.util.stream.Collectors;7import java.util.stream.Stream;8public class Test {9 public static void main(String[] args) {10 List<String> list = new ArrayList<>();11 list.add("A");12 list.add("B");13 list.add("C");14 list.add("D");15 list.add("E");16 Iterator<String> iterator = list.iterator();17 IteratorAssert<String> iteratorAssert = Assertions.assertThat(iterator);18 iteratorAssert.hasNext();19 iteratorAssert.next();

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assertThatIterator

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1import org.assertj.core.api.*;2import org.assertj.core.api.AbstractIterableAssert;3import org.assertj.core.api.AssertionInfo;4import org.assertj.core.api.Condition;5import org.assertj.core.api.IterableAssert;6import org.assertj.core.api.IteratorAssert;7import org.assertj.core.api.ListAssert;8import org.assertj.core.api.ObjectAssert;9import org.assertj.core.api.ObjectEnumerableAssert;10import org.assertj.core.api.ObjectArrayAssert;

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assertThatIterator

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1package org.example;2import static org.assertj.core.api.Assertions.assertThatIterator;3import java.util.Iterator;4import java.util.ArrayList;5import java.util.List;6import java.util.Arrays;7public class AssertJAssertThatIteratorExample {8 public static void main(String[] args) {9 List<String> list = new ArrayList<>();10 list.add("Apple");11 list.add("Banana");12 list.add("Orange");13 Iterator<String> iterator = list.iterator();14 assertThatIterator(iterator).contains("Apple", "Banana", "Orange");15 }16}17package org.example;18import static org.assertj.core.api.Assertions.assertThatIterator;19import java.util.Iterator;20import java.util.ArrayList;21import java.util.List;22import java.util.Arrays;23public class AssertJAssertThatIteratorExample {24 public static void main(String[] args) {25 List<String> list = new ArrayList<>();26 list.add("Apple");27 list.add("Banana");28 list.add("Orange");29 Iterator<String> iterator = list.iterator();30 assertThatIterator(iterator).contains("Apple", "Banana", "Orange", "Grapes");31 }32}33at org.example.AssertJAssertThatIteratorExample.main(AssertJAssertThatIteratorExample.java:14)34package org.example;35import static org.assertj.core.api.Assertions.assertThatIterator;36import java.util.Iterator;37import java.util.ArrayList;38import java.util.List;39import java.util.Arrays;40public class AssertJAssertThatIteratorExample {41 public static void main(String[] args) {42 List<String> list = new ArrayList<>();43 list.add("Apple");44 list.add("Banana");45 list.add("Orange");

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assertThatIterator

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1public class AssertJIterator {2 public static void main(String[] args) {3 Iterator<String> iterator = Arrays.asList("one", "two").iterator();4 assertThat(iterator).hasNext();5 }6}7public class AssertJIterator {8 public static void main(String[] args) {9 Iterator<String> iterator = Arrays.asList("one", "two").iterator();10 assertThat(iterator.next()).isNotNull();11 }12}

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assertThatIterator

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1import org.assertj.core.api.*;2import java.util.*;3import org.junit.Test;4public class AssertJIteratorAssert {5 public void test() {6 Iterator<String> iterator1 = Arrays.asList("one", "two", "three").iterator();7 Iterator<String> iterator2 = Arrays.asList("one", "two", "three").iterator();8 Iterator<String> iterator3 = Arrays.asList("one", "two", "three").iterator();9 Iterator<String> iterator4 = Arrays.asList("one", "two", "three").iterator();10 Iterator<String> iterator5 = Arrays.asList("one", "two", "three").iterator();11 Iterator<String> iterator6 = Arrays.asList("one", "two", "three").iterator();12 Iterator<String> iterator7 = Arrays.asList("one", "two", "three").iterator();13 Iterator<String> iterator8 = Arrays.asList("one", "two", "three").iterator();14 Iterator<String> iterator9 = Arrays.asList("one", "two", "three").iterator();15 Iterator<String> iterator10 = Arrays.asList("one", "two", "three").iterator();16 Iterator<String> iterator11 = Arrays.asList("one", "two", "three").iterator();17 Iterator<String> iterator12 = Arrays.asList("one", "two", "three").iterator();18 Iterator<String> iterator13 = Arrays.asList("one", "two", "three").iterator();19 Iterator<String> iterator14 = Arrays.asList("one", "two", "three").iterator();20 Iterator<String> iterator15 = Arrays.asList("one", "two", "three").iterator();21 Iterator<String> iterator16 = Arrays.asList("one", "two", "three").iterator();22 Iterator<String> iterator17 = Arrays.asList("one", "two", "three").iterator();23 Iterator<String> iterator18 = Arrays.asList("one", "two", "three").iterator();24 Iterator<String> iterator19 = Arrays.asList("one", "two", "three").iterator();25 Iterator<String> iterator20 = Arrays.asList("one", "two", "three").iterator();26 Iterator<String> iterator21 = Arrays.asList("one", "two", "three").iterator();27 Iterator<String> iterator22 = Arrays.asList("one", "two", "three").iterator();28 Iterator<String> iterator23 = Arrays.asList("one", "two", "three").iterator();

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