How to use CollectionAssert class of org.assertj.core.api package

Best Assertj code snippet using org.assertj.core.api.CollectionAssert

Source:CollectionAssert.java

...22 * @param <ELEMENT> the type of elements of the "actual" value.23 *24 * @since 3.21.025 */26public class CollectionAssert<ELEMENT> extends27    AbstractCollectionAssert<CollectionAssert<ELEMENT>, Collection<? extends ELEMENT>, ELEMENT, ObjectAssert<ELEMENT>> {28  public static <E> AbstractCollectionAssert<?, Collection<? extends E>, E, ObjectAssert<E>> assertThatCollection(Collection<? extends E> actual) {29    return new CollectionAssert<>(actual);30  }31  public CollectionAssert(Collection<? extends ELEMENT> actual) {32    super(actual, CollectionAssert.class);33  }34  @Override35  protected ObjectAssert<ELEMENT> toAssert(ELEMENT value, String description) {36    return new ObjectAssertFactory<ELEMENT>().createAssert(value).as(description);37  }38  @Override39  protected CollectionAssert<ELEMENT> newAbstractIterableAssert(Iterable<? extends ELEMENT> iterable) {40    return new CollectionAssert<>(newArrayList(iterable));41  }42}...

Source:SpringCloudContractAssertions.java

...7 * @since 1.1.08 */9public class SpringCloudContractAssertions extends Assertions {10	/**11	 * Creates a new instance of <code>{@link CollectionAssert}</code>.12	 *13	 * @param actual the actual value.14	 * @return the created assertion object.15	 */16	public static <ELEMENT> CollectionAssert<ELEMENT> assertThat(Iterable<? extends ELEMENT> actual) {17		return new CollectionAssert<>(actual);18	}19}...

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.CollectionAssert;2import org.assertj.core.api.CollectionAssertBaseTest;3public class CollectionAssert_assertDoesNotContain_Test extends CollectionAssertBaseTest {4  protected CollectionAssert<Object> invoke_api_method() {5    return assertions.doesNotContain("Yoda");6  }7  protected void verify_internal_effects() {8    verify(iterables).assertDoesNotContain(getInfo(assertions), getActual(assertions), "Yoda");9  }10}11import org.assertj.core.api.CollectionAssert;12import org.assertj.core.api.CollectionAssertBaseTest;13public class CollectionAssert_assertDoesNotContain_Test extends CollectionAssertBaseTest {14  protected CollectionAssert<Object> invoke_api_method() {15    return assertions.doesNotContain("Yoda", "Luke");16  }17  protected void verify_internal_effects() {18    verify(iterables).assertDoesNotContain(getInfo(assertions), getActual(assertions), "Yoda", "Luke");19  }20}21import org.assertj.core.api.CollectionAssert;22import org.assertj.core.api.CollectionAssertBaseTest;23public class CollectionAssert_assertDoesNotContain_Test extends CollectionAssertBaseTest {24  protected CollectionAssert<Object> invoke_api_method() {25    return assertions.doesNotContain("Yoda", "Luke", "Leia");26  }27  protected void verify_internal_effects() {28    verify(iterables).assertDoesNotContain(getInfo(assertions), getActual(assertions), "Yoda", "Luke", "Leia");29  }30}31import org.assertj.core.api.CollectionAssert;32import org.assertj.core.api.CollectionAssertBaseTest;33public class CollectionAssert_assertDoesNotContain_Test extends CollectionAssertBaseTest {34  protected CollectionAssert<Object> invoke_api_method() {35    return assertions.doesNotContain("Yoda", "Luke", "Leia", "Obiwan");36  }37  protected void verify_internal_effects() {38    verify(iterables).assertDoesNotContain(getInfo(assertions), getActual(assertions), "Yoda", "Luke", "Leia", "Obi

CollectionAssert

Using AI Code Generation

1package com.assertj;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 java.util.ArrayList;6import java.util.Arrays;7import java.util.List;8import org.junit.Test;9public class AssertJCollectionTest {10	public void testAssertJCollection() {11		List<String> list = new ArrayList<String>();12		list.add("one");13		list.add("two");14		list.add("three");15		assertThat(list).contains("one", "two");16		assertThat(list).doesNotContain("four", "five");17		assertThat(list).containsExactly("one", "two", "three");18		assertThat(list).containsOnly("one", "two", "three");19		assertThat(list).containsExactlyInAnyOrder("three", "two", "one");20		assertThat(list).containsOnlyOnce("one", "two", "three");21		assertThat(list).containsExactlyInAnyOrderElementsOf(Arrays.asList("three", "two", "one"));22		assertThat(list).containsOnlyElementsOf(Arrays.asList("one", "two", "three"));23		assertThat(list).containsExactlyInAnyOrderElementsOf(Arrays.asList("three", "two", "one"));24		assertThat(list).containsOnlyOnceElementsOf(Arrays.asList("one", "two", "three"));25		assertThat(list).hasSize(3);26	}27	public void testAssertJCollectionException() {28		List<String> list = new ArrayList<String>();29		list.add("one");30		list.add("two");31		list.add("three");32		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(list).contains("one", "two", "four"))33				.withMessageContaining("four");

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.*;2import java.util.ArrayList;3import java.util.List;4{5   public static void main(String[] args)6   {7      List<String> list1 = new ArrayList<String>();8      list1.add("Java");9      list1.add("Python");10      list1.add("C++");11      List<String> list2 = new ArrayList<String>();12      list2.add("Java");13      list2.add("Python");14      list2.add("C++");15      List<String> list3 = new ArrayList<String>();16      list3.add("Java");17      list3.add("Python");18      list3.add("C++");19      CollectionAssert.assertThat(list1).isEqualTo(list2);20      CollectionAssert.assertThat(list1).isNotEqualTo(list3);21   }22}23Method Description isEqualTo(Iterable<? extends E> iterable) Asserts that the actual collection is equal to the given one. isNotEqualTo(Iterable<? extends E> iterable) Asserts that the actual collection is not equal to the given one. contains(Iterable<? extends E> iterable) Asserts that the actual collection contains all the elements of the given iterable. containsOnly(Iterable<? extends E> iterable) Asserts that the actual collection contains only the elements of the given iterable and nothing else, in any order. containsExactly(Iterable<? extends E> iterable) Asserts that the actual collection contains exactly the elements of the given iterable and nothing else, in the same order. containsExactlyInAnyOrder(Iterable<? extends E> iterable) Asserts that the actual collection contains exactly the elements of the given iterable and nothing else, in any order. containsAll(Iterable<? extends E> iterable) Asserts that the actual collection contains all the elements of the given iterable, in any order. containsOnlyOnce(Iterable<? extends E> iterable) Asserts that the actual collection contains only once the elements of the given iterable, in any order. doesNotContain(Iterable<? extends E> iterable) Asserts that the actual collection does not contain any of the elements of the given iterable. doesNotContainNull() Asserts that the actual collection does not contain null. isNullOrEmpty() Asserts that the actual collection is null

CollectionAssert

Using AI Code Generation

1package com.automationrhapsody.junit5;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.Assertions;4import org.assertj.core.api.Assertions;5import java.util.ArrayList;6import java.util.List;7public class CollectionAssertTest {8    void testAssertList() {9        List<String> actualList = new ArrayList<>();10        actualList.add("one");11        actualList.add("two");12        actualList.add("three");13        List<String> expectedList = new ArrayList<>();14        expectedList.add("one");15        expectedList.add("two");16        expectedList.add("three");17        Assertions.assertThat(actualList).isEqualTo(expectedList);18    }19}20package com.automationrhapsody.junit5;21import org.junit.jupiter.api.Test;22import org.junit.jupiter.api.Assertions;23import java.util.ArrayList;24import java.util.List;25public class CollectionAssertTest {26    void testAssertList() {27        List<String> actualList = new ArrayList<>();28        actualList.add("one");29        actualList.add("two");30        actualList.add("three");31        List<String> expectedList = new ArrayList<>();32        expectedList.add("one");33        expectedList.add("two");34        expectedList.add("three");35        Assertions.assertEquals(expectedList, actualList);36    }37}38package com.automationrhapsody.junit5;39import org.junit.Test;40import org.junit.Assert;41import java.util.ArrayList;42import java.util.List;43public class CollectionAssertTest {44    void testAssertList() {45        List<String> actualList = new ArrayList<>();46        actualList.add("one");47        actualList.add("two");48        actualList.add("three");49        List<String> expectedList = new ArrayList<>();50        expectedList.add("one");

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.*;2import org.junit.Test;3import java.util.ArrayList;4import java.util.List;5public class Test1 {6    public void test() {7        List<String> list1 = new ArrayList<String>();8        list1.add("one");9        list1.add("two");10        list1.add("three");11        list1.add("four");12        List<String> list2 = new ArrayList<String>();13        list2.add("one");14        list2.add("two");15        list2.add("three");16        list2.add("four");17        CollectionAssert.assertThat(list1).containsExactly("one", "two", "three", "four");18        CollectionAssert.assertThat(list2).containsExactly("one", "two", "three", "four");19    }20}21The containsExactly() method of the AbstractIterableAssert class is overloaded. It can be used to compare the actual and expected values in two different ways:22containsExactly(Object... values)23containsExactly(Iterable<?> iterable)

CollectionAssert

Using AI Code Generation

1import java.util.*;2import org.assertj.core.api.*;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5public class CollectionAssertTest {6   public void testCollectionAssert() {7      List<String> list = new ArrayList<String>();8      list.add("one");9      list.add("two");10      list.add("three");11      assertThat(list).contains("one", "two");12      assertThat(list).doesNotContain("four");13      assertThat(list).doesNotContainNull();14      assertThat(list).doesNotHaveDuplicates();15      assertThat(list).hasSize(3);16      assertThat(list).isNotEmpty();17      assertThat(list).isNotNull();18      assertThat(list).startsWith("one");19      assertThat(list).endsWith("three");20   }21}

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.CollectionAssert;2import java.util.ArrayList;3import java.util.List;4public class AssertDemo {5	public static void main(String[] args) {6		List<Integer> list1 = new ArrayList<>();7		List<Integer> list2 = new ArrayList<>();8		list1.add(1);9		list1.add(2);10		list1.add(3);11		list2.add(1);12		list2.add(2);13		list2.add(3);14		CollectionAssert<Integer> ca = new CollectionAssert<>(list1);15		ca.containsAll(list2);16	}17}

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.CollectionAssert;2import org.assertj.core.api.Assertions;3import java.util.ArrayList;4import java.util.List;5public class Test {6public static void main(String args[])7{8List<String> list = new ArrayList<>();9list.add("Geeks");10list.add("for");11list.add("Geeks");12List<String> list1 = new ArrayList<>();13list1.add("Geeks");14list1.add("for");15list1.add("Geeks");16List<String> list2 = new ArrayList<>();17list2.add("Geeks");18list2.add("for");19list2.add("Geeks");20List<String> list3 = new ArrayList<>();21list3.add("Geeks");22list3.add("for");23list3.add("Geeks");24List<String> list4 = new ArrayList<>();25list4.add("Geeks");26list4.add("for");27list4.add("Geeks");28List<String> list5 = new ArrayList<>();29list5.add("Geeks");30list5.add("for");31list5.add("Geeks");32List<String> list6 = new ArrayList<>();33list6.add("Geeks");34list6.add("for");35list6.add("Geeks");36List<String> list7 = new ArrayList<>();37list7.add("Geeks");38list7.add("for");39list7.add("Geeks");40List<String> list8 = new ArrayList<>();41list8.add("Geeks");42list8.add("for");43list8.add("Geeks");44List<String> list9 = new ArrayList<>();45list9.add("Geeks");46list9.add("for");47list9.add("Geeks");48List<String> list10 = new ArrayList<>();49list10.add("Geeks");50list10.add("for");51list10.add("Geeks");52List<String> list11 = new ArrayList<>();53list11.add("Geeks");54list11.add("for");55list11.add("Geeks");56List<String> list12 = new ArrayList<>();57list12.add("Geeks");58list12.add("for");59list12.add("Geeks");

CollectionAssert

Using AI Code Generation

1import org.assertj.core.api.*;2import org.junit.Test;3import java.util.*;4public class AssertJTest {5   public void testListEquality() {6      List<String> list1 = new ArrayList<String>();7      list1.add("One");8      list1.add("Two");9      list1.add("Three");10      list1.add("Four");11      List<String> list2 = new ArrayList<String>();12      list2.add("One");13      list2.add("Two");14      list2.add("Three");15      list2.add("Four");16      CollectionAssert.assertThat(list1).isEqualTo(list2);17   }18}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.