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How to use assertContainsOnlyNulls method of org.assertj.core.internal.Iterables class

Best Assertj code snippet using org.assertj.core.internal.Iterables.assertContainsOnlyNulls

Source:Iterables_assertContainsOnlyNulls_Test.java

...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}...

assertContainsOnlyNulls

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4public class AssertJAssertContainsOnlyNullsTest {5    public void testAssertContainsOnlyNulls() {6        String[] actual = new String[]{"a", "b", "c"};7        assertThatThrownBy(() -> assertThat(actual).containsOnlyNulls()).isInstanceOf(AssertionError.class);8        assertThatThrownBy(() -> assertThat(actual).containsOnlyNulls()).hasMessageContaining("Expecting actual:<[\"a\", \"b\", \"c\"]> to contain only null elements");9    }10}11org.junit.ComparisonFailure: Expecting actual:<["a", "b", "c"]> to contain only null elements but some elements were not:<["a", "b", "c"]> expected:<[]> but was:<["a", "b", "c"]> at org.junit.Assert.assertEquals(Assert.java:115) at org.junit.Assert.assertEquals(Assert.java:144) at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:82) at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:96) at org.assertj.core.api.Assertions$AbstractObjectAssert.isEqualTo(Assertions.java:194) at org.assertj.core.api.Assertions.assertThat(Assertions.java:67) at org.assertj.core.api.Assertions.assertThat(Assertions.java:74) at org.assertj.core.api.Assertions.assertThat(Assertions.java:80) at org.assertj.core.api.Assertions.assertThat(Assertions.java:86) at org.assertj.core.api.Assertions.assertThat(Assertions.java:92) at org.assertj.core.api.Assertions.assertThat(Assertions.java:98) at org.assertj.core.api.Assertions.assertThat(Assertions.java:104) at org.assertj.core.api.Assertions.assertThat(Assertions.java:110) at org.assertj.core.api.Assertions.assertThat(Assertions.java:116) at org.assertj.core.api.Assertions.assertThat(Assertions.java:122) at AssertJAssertContainsOnlyNullsTest.testAssertContainsOnlyNulls(AssertJAssertContainsOnlyNullsTest.java:14) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang

assertContainsOnlyNulls

Using AI Code Generation

1assertThat(employees).containsOnlyNulls();2assertThat(employees).containsOnlyNulls();3assertThat(employees).doesNotContainNull();4assertThat(employees).doesNotContainNull();5assertThat(employees).hasSize(3);6assertThat(employees).hasSize(3);7assertThat(employees).containsOnlyNulls();8assertThat(employees).containsOnlyNulls();9assertThat(employees).doesNotContainNull();10assertThat(employees).doesNotContainNull();11assertThat(employees).hasSize(3);12assertThat(employees).hasSize(3);13assertThat(employees).containsOnlyNulls();14assertThat(employees).containsOnlyNulls();15assertThat(employees).doesNotContainNull();16assertThat(employees).doesNotContainNull();17assertThat(employees).hasSize(3);18assertThat(employees).hasSize(3);19assertThat(employees).containsOnlyNulls();20assertThat(employees).containsOnlyNulls();21assertThat(employees).doesNotContainNull();22assertThat(employees).doesNotContainNull();23assertThat(employees).hasSize(3);24assertThat(employees).hasSize(3);25assertThat(employees).containsOnlyNulls();26assertThat(employees).containsOnlyNulls();27assertThat(employees).doesNotContainNull();28assertThat(employees).doesNotContainNull();29assertThat(employees).hasSize(3);30assertThat(employees).hasSize(3);31assertThat(employees).containsOnlyNulls();32assertThat(employees).containsOnlyNulls();33assertThat(employees).doesNotContainNull();34assertThat(employees).doesNotContainNull();35assertThat(employees).hasSize(3);36assertThat(employees).hasSize(3);37assertThat(employees).containsOnlyNulls();38assertThat(employees).containsOnlyNulls();39assertThat(employees).doesNotContainNull();40assertThat(employees).doesNotContainNull();41assertThat(employees).hasSize(3);42assertThat(employees).hasSize(3);43assertThat(employees).containsOnlyNulls();44assertThat(employees).containsOnlyNulls();45assertThat(employees).doesNotContainNull();46assertThat(employees).doesNotContainNull();47assertThat(employees).hasSize(3);48assertThat(employees).hasSize(3);49assertThat(employees).containsOnlyNulls();50assertThat(employees).containsOnlyNull

assertContainsOnlyNulls

Using AI Code Generation

1List<String> list = new ArrayList<>();2list.add("one");3list.add("two");4list.add("three");5assertThat(list).containsOnlyNulls();6List<String> list = new ArrayList<>();7list.add("one");8list.add(null);9list.add("three");10assertThat(list).containsOnlyNulls();11List<String> list = new ArrayList<>();12list.add(null);13list.add(null);14list.add(null);15assertThat(list).containsOnlyNulls();16List<String> list = new ArrayList<>();17list.add("one");18list.add("two");19list.add("three");20assertThat(list).containsOnlyNulls();21List<String> list = new ArrayList<>();22list.add(null);23list.add("two");24list.add("three");25assertThat(list).containsOnlyNulls();26List<String> list = new ArrayList<>();27list.add("one");28list.add("two");29list.add("three");30assertThat(list).containsOnlyNulls();31List<String> list = new ArrayList<>();32list.add("one");33list.add("two");34list.add("three");35assertThat(list).containsOnlyNulls();36List<String> list = new ArrayList<>();37list.add("one");38list.add("two");39list.add("three");40assertThat(list).containsOnlyNulls();41List<String> list = new ArrayList<>();42list.add("one");43list.add("two");44list.add("three");45assertThat(list).containsOnlyNulls();46List<String> list = new ArrayList<>();47list.add("one");48list.add("two");49list.add("three");50assertThat(list).containsOnlyNulls();

assertContainsOnlyNulls

Using AI Code Generation

1public void testAssertContainsOnlyNulls() {2    Iterable<String> iterable = Arrays.asList("foo", "bar", null);3    Assertions.assertThat(iterable).containsOnlyNulls();4}5public void testAssertContainsOnlyNulls() {6    Iterable<String> iterable = Arrays.asList("foo", "bar", null);7    Assertions.assertThat(iterable).containsOnlyNulls();8}9public void testAssertContainsOnlyNulls() {10    Iterable<String> iterable = Arrays.asList("foo", "bar", null);11    Assertions.assertThat(iterable).containsOnlyNulls();12}13public void testAssertContainsOnlyNulls() {14    Iterable<String> iterable = Arrays.asList("foo", "bar", null);15    Assertions.assertThat(iterable).containsOnlyNulls();16}17public void testAssertContainsOnlyNulls() {18    Iterable<String> iterable = Arrays.asList("foo", "bar", null);19    Assertions.assertThat(iterable).containsOnlyNulls();20}21public void testAssertContainsOnlyNulls() {22    Iterable<String> iterable = Arrays.asList("foo", "bar", null);23    Assertions.assertThat(iterable).containsOnlyNulls();24}25public void testAssertContainsOnlyNulls() {26    Iterable<String> iterable = Arrays.asList("foo", "bar", null);27    Assertions.assertThat(iterable).containsOnlyNulls();28}

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