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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)

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