Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use thenStream method of org.assertj.core.api.BDDAssertions class

Best Assertj code snippet using org.assertj.core.api.BDDAssertions.thenStream

Source:BDDAssertions.java

...1601   * @param actual the actual value.1602   * @return the created assertion object.1603   * @since 3.23.01604   */1605  public static <ELEMENT> ListAssert<ELEMENT> thenStream(Stream<? extends ELEMENT> actual) {1606    return then(actual);1607  }1608  /**1609   * Creates a new instance of <code>{@link ListAssert}</code> from the given {@link DoubleStream}.1610   * <p>1611   * <b>Be aware that the {@code DoubleStream} under test will be converted to a {@code List} when an assertions require to inspect its content.1612   * Once this is done the {@code DoubleStream} can't reused as it would have been consumed.</b>1613   * <p>1614   * Calling multiple methods on the returned {@link ListAssert} is safe as it only interacts with the {@link List} built from the {@link DoubleStream}.1615   * <p>1616   * Examples:1617   * <pre><code class='java'> // you can chain multiple assertions on the DoubleStream as it is converted to a List1618   * then(DoubleStream.of(1.0, 2.0, 3.0)).contains(1.0)1619   *                                     .doesNotContain(42.0);</code></pre>...

thenStream

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.then;2import static org.assertj.core.api.BDDAssertions.thenThrownBy;3import java.util.ArrayList;4import java.util.List;5import java.util.stream.Stream;6import org.junit.jupiter.api.Test;7public class BDDAssertionsTest {8    public void testBDDAssertions() {9        List<String> list = new ArrayList<>();10        list.add("A");11        list.add("B");12        list.add("C");13        list.add("D");14        list.add("E");15        then(list).hasSize(5);16        then(list).contains("B", "D");17        then(list).doesNotContain("F");18        then(list).doesNotContain("F", "G");19        then(list).containsExactly("A", "B", "C", "D", "E");20        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");21        then(list).containsExactlyInAnyOrderElementsOf(list);22        then(list).containsExactlyElementsOf(list);23        then(list).containsExactlyInAnyOrderElementsOf(list);24        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");25        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");26        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");27        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");28        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");29        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");30        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");31        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");32        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");33        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");34        then(list).containsExactlyInAnyOrder("E", "B", "C", "D", "A");

thenStream

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import org.mockito.junit.jupiter.MockitoSettings;5import org.mockito.quality.Strictness;6import java.util.concurrent.CompletableFuture;7import java.util.concurrent.ExecutionException;8import static org.assertj.core.api.BDDAssertions.then;9import static org.assertj.core.api.BDDAssertions.thenAsync;10@ExtendWith(MockitoExtension.class)11@MockitoSettings(strictness = Strictness.LENIENT)12public class ThenAsyncTest {13    public void thenAsyncTest() throws ExecutionException, InterruptedException {14        CompletableFuture<String> future = new CompletableFuture<>();15        CompletableFuture<String> result = thenAsync(future).isCompleted();16        future.complete("Hello");17        then(result.get()).isEqualTo("Hello");18    }19}

thenStream

Using AI Code Generation

1import org.assertj.core.api.BDDAssertions.thenStream2import org.assertj.core.api.BDDAssertions.then3import org.assertj.core.api.BDDAssertions.thenStream4import org.assertj.core.api.BDDAssertions.then5import org.assertj.core.api.BDDAssertions.thenStream6import org.assertj.core.api.BDDAssertions.then7import org.assertj.core.api.BDDAssertions.thenStream8import org.assertj.core.api.BDDAssertions.then9import org.assertj.core.api.BDDAssertions.thenStream10import org.assertj.core.api.BDDAssertions.then11import org.assertj.core.api.BDDAssertions.thenStream12import org.assertj.core.api.BDDAssertions.then13import org.assertj.core.api.BDDAssertions.thenStream14import org.assertj.core.api.BDDAssertions.then15import org.assertj.core.api.BDDAssertions.thenStream16import org.assertj.core.api.BDDAssertions.then17import org.assertj.core.api.BDDAssertions.thenStream18import org.assertj.core.api.BDDAssertions.then19import org.assertj.core.api.BDDAssertions.thenStream20import org.assertj.core.api.BDDAssertions.then21import org.assertj.core.api.BDDAssertions.thenStream22import org.assertj.core.api.BDDAssertions.then23import org.assertj.core.api.BDDAssertions.thenStream24import org.assertj.core.api.BDDAssertions.then25import org.assertj.core.api.BDDAssertions.thenStream26import org.assertj.core.api.BDDAssertions.then27import org.assertj.core

thenStream

Using AI Code Generation

1public class ThenStreamTest {2    public void test() {3        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5);4        then(numbers).thenStream().contains(1, 2, 3, 4, 5);5    }6}

thenStream

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import java.util.List;5import static org.assertj.core.api.BDDAssertions.then;6import static org.assertj.core.api.BDDAssertions.thenThrownBy;7@ExtendWith(MockitoExtension.class)8public class AssertionsTest {9    public void test() {10        List<String> list = List.of("one", "two", "three");11        then(list).hasSize(3)12                .contains("one", "two")13                .doesNotContain("four");14    }15    public void testException() {16        thenThrownBy(() -> {17            throw new NullPointerException();18        }).isExactlyInstanceOf(NullPointerException.class);19    }20}21	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:200)22	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183)23	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74)24	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:342)25	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:289)26	at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79)27	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:267)28	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)29	at java.base/java.util.Optional.orElseGet(Optional.java:369)30	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)31	at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)32	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)33	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)34	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)

thenStream

Using AI Code Generation

1assertThat(people).thenStream().hasSize(3).containsOnly("John", "Paul", "George", "Ringo");2SoftAssertions softly = new BDDSoftAssertions();3softly.thenStream(people).hasSize(3).containsOnly("John", "Paul", "George", "Ringo");4softly.assertAll();5assertThat(people).thenStream().hasSize(3).containsOnly("John", "Paul", "George", "Ringo");6SoftAssertions softly = new BDDSoftAssertions();7softly.thenStream(people).hasSize(3).containsOnly("John", "Paul", "George", "Ringo");8softly.assertAll();9assertThat(people).thenStream().hasSize(3).containsOnly("John", "Paul", "George", "Ringo");10SoftAssertions softly = new BDDSoftAssertions();11softly.thenStream(people).hasSize(3).containsOnly("John", "Paul", "George", "Ringo");12softly.assertAll();13assertThat(people).thenStream().hasSize(3).containsOnly("John", "Paul", "George", "Ringo");14SoftAssertions softly = new BDDSoftAssertions();15softly.thenStream(people).hasSize(3).containsOnly("John", "Paul", "George", "Ringo");16softly.assertAll();17assertThat(people).thenStream().hasSize(3).containsOnly("John", "Paul", "George", "Ringo");18SoftAssertions softly = new BDDSoftAssertions();19softly.thenStream(people).hasSize(3).containsOnly("John", "Paul", "George

thenStream

Using AI Code Generation

1public class ThenStreamTest {2    public void test() {3        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5);4        then(numbers).thenStream().contains(1, 2, 3, 4, 5);5    }6}

thenStream

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import java.util.List;5import static org.assertj.core.api.BDDAssertions.then;6import static org.assertj.core.api.BDDAssertions.thenThrownBy;7@ExtendWith(MockitoExtension.class)8public class AssertionsTest {9    public void test() {10        List<String> list = List.of("one", "two", "three");11        then(list).hasSize(3)12                .contains("one", "two")13                .doesNotContain("four");14    }15    public void testException() {16        thenThrownBy(() -> {17            throw new NullPointerException();18        }).isExactlyInstanceOf(NullPointerException.class);19    }20}21	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:200)22	at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183)23	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74)24	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:342)25	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:289)26	at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79)27	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:267)28	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)29	at java.base/java.util.Optional.orElseGet(Optional.java:369)30	at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)31	at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)32	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)33	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)34	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)

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.