How to use ShouldContainOnlyNulls class of org.assertj.core.error package

Best Assertj code snippet using org.assertj.core.error.ShouldContainOnlyNulls

Source:Iterables_assertContainsOnlyNulls_Test.java

...14import java.util.ArrayList;15import java.util.List;16import org.assertj.core.api.AssertionInfo;17import org.assertj.core.api.Assertions;18import org.assertj.core.error.ShouldContainOnlyNulls;19import org.assertj.core.internal.IterablesBaseTest;20import org.assertj.core.test.TestData;21import org.assertj.core.test.TestFailures;22import org.assertj.core.util.FailureMessages;23import org.assertj.core.util.Lists;24import org.junit.jupiter.api.Test;25import org.mockito.Mockito;26/**27 * Tests for <code>{@link Iterables#assertContainsOnlyNulls(AssertionInfo, Iterable)}</code>.28 *29 * @author Billy Yuan30 */31public class Iterables_assertContainsOnlyNulls_Test extends IterablesBaseTest {32    private List<String> actual = new ArrayList<>();33    @Test34    public void should_pass_if_actual_contains_null_once() {35        actual.add(null);36        iterables.assertContainsOnlyNulls(TestData.someInfo(), actual);37    }38    @Test39    public void should_pass_if_actual_contains_null_more_than_once() {40        actual = Lists.newArrayList(null, null, null);41        iterables.assertContainsOnlyNulls(TestData.someInfo(), actual);42    }43    @Test44    public void should_fail_if_actual_is_null() {45        actual = null;46        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> iterables.assertContainsOnlyNulls(someInfo(), actual)).withMessage(FailureMessages.actualIsNull());47    }48    @Test49    public void should_fail_if_actual_is_empty() {50        AssertionInfo info = TestData.someInfo();51        try {52            iterables.assertContainsOnlyNulls(info, actual);53        } catch (AssertionError e) {54            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual));55            return;56        }57        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();58    }59    @Test60    public void should_fail_if_actual_contains_null_and_non_null_elements() {61        AssertionInfo info = TestData.someInfo();62        actual = Lists.newArrayList(null, null, "person");63        List<String> nonNulls = Lists.newArrayList("person");64        try {65            iterables.assertContainsOnlyNulls(info, actual);66        } catch (AssertionError e) {67            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual, nonNulls));68            return;69        }70        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();71    }72    @Test73    public void should_fail_if_actual_contains_non_null_elements_only() {74        AssertionInfo info = TestData.someInfo();75        actual = Lists.newArrayList("person", "person2");76        List<String> nonNulls = Lists.newArrayList("person", "person2");77        try {78            iterables.assertContainsOnlyNulls(info, actual);79        } catch (AssertionError e) {80            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual, nonNulls));81            return;82        }83        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();84    }85}...

Source:ObjectArrays_assertContainsOnlyNulls_Test.java

...13package org.assertj.core.internal.objectarrays;14import java.util.List;15import org.assertj.core.api.AssertionInfo;16import org.assertj.core.api.Assertions;17import org.assertj.core.error.ShouldContainOnlyNulls;18import org.assertj.core.internal.ObjectArraysBaseTest;19import org.assertj.core.test.TestData;20import org.assertj.core.test.TestFailures;21import org.assertj.core.util.Arrays;22import org.assertj.core.util.FailureMessages;23import org.assertj.core.util.Lists;24import org.junit.jupiter.api.Test;25import org.mockito.Mockito;26/**27 * Tests for <code>{@link ObjectArrays#assertContainsOnlyNulls(AssertionInfo, Object[])}</code>.28 *29 * @author Billy Yuan30 */31public class ObjectArrays_assertContainsOnlyNulls_Test extends ObjectArraysBaseTest {32    private Object[] actual = Arrays.array();33    @Test34    public void should_pass_if_actual_contains_null_once() {35        actual = new Object[]{ null };36        arrays.assertContainsOnlyNulls(TestData.someInfo(), actual);37    }38    @Test39    public void should_pass_if_actual_contains_null_more_than_once() {40        actual = Arrays.array(null, null, null);41        arrays.assertContainsOnlyNulls(TestData.someInfo(), actual);42    }43    @Test44    public void should_fail_if_actual_is_null() {45        actual = null;46        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> arrays.assertContainsOnlyNulls(someInfo(), actual)).withMessage(FailureMessages.actualIsNull());47    }48    @Test49    public void should_fail_if_actual_is_empty() {50        AssertionInfo info = TestData.someInfo();51        try {52            arrays.assertContainsOnlyNulls(info, actual);53        } catch (AssertionError e) {54            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual));55            return;56        }57        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();58    }59    @Test60    public void should_fail_if_actual_contains_null_and_non_null_elements() {61        AssertionInfo info = TestData.someInfo();62        actual = Arrays.array(null, null, "person");63        List<String> nonNulls = Lists.newArrayList("person");64        try {65            arrays.assertContainsOnlyNulls(info, actual);66        } catch (AssertionError e) {67            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual, nonNulls));68            return;69        }70        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();71    }72    @Test73    public void should_fail_if_actual_contains_non_null_elements_only() {74        AssertionInfo info = TestData.someInfo();75        actual = Arrays.array("person", "person2");76        List<String> nonNulls = Lists.newArrayList("person", "person2");77        try {78            arrays.assertContainsOnlyNulls(info, actual);79        } catch (AssertionError e) {80            Mockito.verify(failures).failure(info, ShouldContainOnlyNulls.shouldContainOnlyNulls(actual, nonNulls));81            return;82        }83        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();84    }85}...

Source:ShouldContainOnlyNulls_create_Test.java

...17import org.assertj.core.util.Lists;18import org.junit.jupiter.api.Test;19/**20 * Tests for21 * <code>{@link ShouldContainOnlyNulls#create(org.assertj.core.description.Description, org.assertj.core.presentation.Representation)}</code>22 *23 * @author Billy Yuan24 */25public class ShouldContainOnlyNulls_create_Test {26    @Test27    public void should_create_error_message_with_unexpected_element() {28        ErrorMessageFactory factory = ShouldContainOnlyNulls.shouldContainOnlyNulls(Lists.newArrayList("person", null), Lists.newArrayList("person"));29        String message = factory.create(new TextDescription("Test"), new StandardRepresentation());30        Assertions.assertThat(message).isEqualTo(String.format(("[Test] %n" + ((("Expecting:%n" + "  <[\"person\", null]>%n") + "to contain only null elements but some elements were not:%n") + "  <[\"person\"]>"))));31    }32    @Test33    public void should_create_error_message_with_no_any_element() {34        ErrorMessageFactory factory = ShouldContainOnlyNulls.shouldContainOnlyNulls(Lists.newArrayList());35        String message = factory.create(new TextDescription("Test"), new StandardRepresentation());36        Assertions.assertThat(message).isEqualTo(String.format(("[Test] %n" + (("Expecting:%n" + "  <[]>%n") + "to contain only null elements but it was empty"))));37    }38}...

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainOnlyNulls;3import org.assertj.core.internal.TestDescription;4import org.assertj.core.presentation.StandardRepresentation;5import org.assertj.core.util.VisibleForTesting;6import org.junit.Test;7public class ShouldContainOnlyNullsTest {8	public void should_create_error_message() {9		ErrorMessageFactory factory = ShouldContainOnlyNulls.shouldContainOnlyNulls("Yoda", new Object[] { "Yoda",10				"Luke" }, new StandardRepresentation());11		String message = factory.create(new TestDescription("Test"), new StandardRepresentation());12		Assertions.assertThat(message).isEqualTo("[Test] %n" + "Expecting:%n" + " <[\"Yoda\", \"Luke\"]>%n"

ShouldContainOnlyNulls

Using AI Code Generation

1package org.assertj.core.error;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.assertj.core.util.Lists;5import org.junit.Test;6import static org.assertj.core.api.Assertions.assertThat;7import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;8import static org.assertj.core.util.Lists.newArrayList;9import static org.assertj.core.util.Sets.newLinkedHashSet;10import static org.assertj.core.util.Sets.newTreeSet;11public class ShouldContainOnlyNullsTest {12	public void should_create_error_message_for_array() {13		String message = shouldContainOnlyNulls(new String[] { "a", "b", "c" }, newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());14		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));15	}16	public void should_create_error_message_for_iterable() {17		String message = shouldContainOnlyNulls(newArrayList("a", "b", "c"), newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());18		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));19	}20	public void should_create_error_message_for_iterable_with_duplicates() {21		String message = shouldContainOnlyNulls(newArrayList("a", "b", "c", "a"), newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());22		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\", \"a\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));23	}

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainOnlyNulls;3import org.assertj.core.internal.Failures;4import org.assertj.core.internal.TestDescription;5import org.assertj.core.presentation.StandardRepresentation;6import org.junit.Test;7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;9import static org.assertj.core.util.Lists.newArrayList;10public class ShouldContainOnlyNullsTest {11  public void should_create_error_message() {12    Failures failures = new Failures();13    String errorMessage = failures.failureInfo(new TestDescription("TEST"), shouldContainOnlyNulls(newArrayList("Yoda", null, "Luke"))).create(new StandardRepresentation());14    assertThat(errorMessage).isEqualTo(String.format("[TEST] %n" +15                                                     " <[\"Yoda\", \"Luke\"]>"));16  }17}

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.error.ShouldContainOnlyNulls;2public class Main {3   public static void main(String[] args) {4      ShouldContainOnlyNulls obj = new ShouldContainOnlyNulls();5      System.out.println(obj.create("Collection", "actual"));6   }7}8Recommended Posts: ShouldContainOnlyNulls.create(String, Iterable)9ShouldContainOnlyNulls.create(Iterable)10ShouldContainOnlyNulls.create(Iterable, Object)11ShouldContainOnlyNulls.create(Iterable, Object, Object)12ShouldContainOnlyNulls.create(Iterable, Object, Object, Object)13ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object)14ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object)15ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object)16ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object)17ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object)18ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object)19ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object)20ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object)21ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object)22ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object)23ShouldContainOnlyNulls.create(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object)

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainOnlyNulls;3import org.assertj.core.internal.ErrorMessages;4public class ShouldContainOnlyNullsDemo {5   public static void main(String[] args) {6      ShouldContainOnlyNulls shouldContainOnlyNulls = new ShouldContainOnlyNulls();7      System.out.println(shouldContainOnlyNulls);8   }9}

ShouldContainOnlyNulls

Using AI Code Generation

1package org.assertj.core.error;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.assertj.core.util.Lists;5import org.junit.Test;6import static org.assertj.core.api.Assertions.assertThat;7import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;8import static org.assertj.core.util.Lists.newArrayList;9import static org.assertj.core.util.Sets.newLinkedHashSet;10import static org.assertj.core.util.Sets.newTreeSet;11public class ShouldContainOnlyNullsTest {12	public void should_create_error_message_for_array() {13		String message = shouldContainOnlyNulls(new String[] { "a", "b", "c" }, newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());14		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));15	}16	public void should_create_error_message_for_iterable() {17		String message = shouldContainOnlyNulls(newArrayList("a", "b", "c"), newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());18		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));19	}20	public void should_create_error_message_for_iterable_with_duplicates() {21		String message = shouldContainOnlyNulls(newArrayList("a", "b", "c", "a"), newLinkedHashSet("a", "b"), newLinkedHashSet("c")).create(new TestDescription("TEST"), new StandardRepresentation());22		assertThat(message).isEqualTo(String.format("[TEST] %n" + "Expecting:%n" + " <[\"a\", \"b\", \"c\", \"a\"]>%n" + "to contain only null elements but some elements were not:%n" + " <[\"a\", \"b\"]>%n"));23	}

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldContainOnlyNulls;3import org.assertj.core.internal.Failures;4import org.assertj.core.internal.TestDescription;5import org.assertj.core.presentation.StandardRepresentation;6import org.junit.Test;7import static org.assertj.core.api.Assertions.assertThat;8import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;9import static org.assertj.core.util.Lists.newArrayList;))

ShouldContainOnlyNulls

Using AI Code Generation

1import org.assertj.core.error.ShouldContainOnlyNulls;2import java.util.ArrayList;3import java.util.List;4class ShouldContainOnlyNullsExample {5   public static void main(String[] args) {6      ShouldContainOnlyNulls shouldContainOnlyNulls = new ShouldContainOnlyNulls();7      List<String> list = new ArrayList<>();8      list.add("Apple");9      list.add("Mango");10      list.add("Banana");11      list.add("Orange");12      System.out.println(shouldContainOnlyNulls.shouldContainOnlyNulls(list));13   }14}15org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls(Collection)

ShouldContainOnlyNulls

Using AI Code Generation

1import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatExceptionOfType;4public class AssertJAssertTest {5    public void test() {6        assertThatExceptionOfType(AssertionError.class)7            .isThrownBy(() -> assertThat(new Object[] { "a", "b" }).containsOnlyNulls())8            .withMessage(shouldContainOnlyNulls(new Object[] { "a", "b" }).create());9    }10}11import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;12import static org.assertj.core.api.Assertions.assertThat;13import static org.assertj.core.api.Assertions.assertThatExceptionOfType;14public class AssertJAssertTest {15    public void test() {16        assertThatExceptionOfType(AssertionError.class)17            .isThrownBy(() -> assertThat(new Object[] { null, null }).containsOnlyNulls())18            .withMessage(shouldContainOnlyNulls(new Object[] { null, null }).create());19    }20}

ShouldContainOnlyNulls

Using AI Code Generation

1package com.automationtesting;2import static org.assertj.core.api.Assertions.assertThat;3import java.util.List;4import org.assertj.core.error.ShouldContainOnlyNulls;5import org.assertj.core.internal.Failures;6public class AssertJShouldContainOnlyNulls {7	public static void main(String[] args) {8		List<String> list = List.of(null, null, null);9		assertThat(list).containsOnlyNulls();10		list = List.of("abc", null, null);11		try {12			assertThat(list).containsOnlyNulls();13		} catch (AssertionError e) {14			System.out.println(e.getMessage());15		}16		list = List.of("abc", null, null, null);17		try {18			assertThat(list).containsOnlyNulls();19		} catch (AssertionError e) {20			System.out.println(e.getMessage());21		}22		list = List.of(null, null, null, "abc");23		try {24			assertThat(list).containsOnlyNulls();25		} catch (AssertionError e) {26			System.out.println(e.getMessage());27		}28		list = List.of(null, null, null, null;29		assertThat(list).containsOnlyNulls();30		list = List.of(null, null, null, null, null);31		assertThat(list).containsOnlyNulls();32		list = List.of(null, null, null, null, null, null);33		assertThat(list).containsOnlyNulls();34	}35}

ShouldContainOnlyNulls

Using AI Code Generation

1import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatExceptionOfType;4public class AssertJAssertTest {5    public void test() {6        assertThatExceptionOfType(AssertionError.class)7            .isThrownBy(() -> assertThat(new Object[] { "a", "b" }).containsOnlyNulls())8            .withMessage(shouldContainOnlyNulls(new Object[] { "a", "b" }.create());9    }10}11import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;12import static org.assertj.core.api.Assertions.assertThat;13import static org.assertj.core.api.Assertions.assertThatExceptionOfType;14public class AssertJAssertTest {15    public void test() {16        assertThatExceptionOfType(AssertionError.class)17            .isThrownBy(() -> assertThat(new Object[] { null, null }).containsOnlyNulls())18            .withMessage(shouldContainOnlyNulls(new Object[] { null, null }).create());19    }20}21public class ShouldContainOnlyNullsTest {22  public void should_create_error_message() {23    Failures failures = new Failures();24    String errorMessage = failures.failureInfo(new TestDescription("TEST"), shouldContainOnlyNulls(newArrayList("Yoda", null, "Luke"))).create(new StandardRepresentation());25    assertThat(errorMessage).isEqualTo(String.format("[TEST] %n" +26                                                     " <[\"Yoda\", \"Luke\"]>"));27  }28}

ShouldContainOnlyNulls

Using AI Code Generation

1package com.mycompany.app;2import org.assertj.core.api.Assertions;3import org.assertj.core.error.ShouldContainOnlyNulls;4import org.assertj.core.internal.Failures;5import org.assertj.core.internal.StandardComparisonStrategy;6import org.assertj.core.internal.StandardComparisonStrategy;7import org.assertj.core.util.VisibleForTesting;8import java.util.ArrayList;9import java.util.Arrays;10import java.util.List;11import static org.assertj.core.error.ShouldContainOnlyNulls.shouldContainOnlyNulls;12public class ShouldContainOnlyNullsTest {13    public static void main(String[] args) {14        List<Object> actual = Arrays.asList(new Object(), new Object());15        Failures failures = Failures.instance();16        try {17            failures.failure(info(), shouldContainOnlyNulls(actual));18        } catch (AssertionError e) {19            System.out.println(e.getMessage());20        }21    }22    private static org.assertj.core.api.AssertionInfo info() {23        return org.assertj.core.api.Assertions.within(1, 1);24    }25}26 <[Ljava.lang.Object;@4e4c4e7e>27 <[Ljava.lang.Object;@4e4c4e7e>28	at org.junit.Assert.assertEquals(Assert.java:115)29	at org.junit.Assert.assertEquals(Assert.java:144)30	at com.mycompany.app.ShouldContainOnlyNullsTest.main(ShouldContainOnlyNullsTest.java:23)

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.