Best Assertj code snippet using org.assertj.core.api.BDDAssertions.setPrintAssertionsDescription
Source:AbstractAssert_describedAs_printed_to_console_Test.java  
...38    return ConfigurationProvider.CONFIGURATION_PROVIDER.configuration();39  }40  @BeforeEach41  void setUpStreams() {42    Assertions.setPrintAssertionsDescription(true);43    systemOutContent = new ByteArrayOutputStream();44    System.setOut(new PrintStream(systemOutContent));45  }46  @AfterEach47  void restoreOriginalState() {48    System.setOut(originalSystemOut);49    Assertions.setPrintAssertionsDescription(originalIsPrintAssertionsDescriptionEnabled);50    Assertions.setDescriptionConsumer(originalDescriptionConsumer);51  }52  @Test53  void should_print_successful_assertions_description_to_console_with_new_line() {54    // GIVEN55    String description = RandomStringUtils.randomAlphanumeric(20);56    // WHEN57    assertThat("abc").as(description + "1")58                     .startsWith("a")59                     .as(description + "2")60                     .contains("b")61                     .as(" ")62                     .endsWith("c");63    // THEN64    then(systemOutContent).hasToString(format("%s%n%s%n %n", description + "1", description + "2"));65  }66  @Test67  void should_print_successful_assertions_description_to_console_with_new_line_until_first_failed_assertion_included() {68    // GIVEN69    String description = RandomStringUtils.randomAlphanumeric(20);70    // WHEN71    Throwable throwable = catchThrowable(() -> assertThat("abc").as(description + "1")72                                                                .startsWith("a")73                                                                .as(description + "2")74                                                                .startsWith("b")75                                                                .as("not printed as previous assertion failed")76                                                                .endsWith("a"));77    // THEN78    then(throwable).isInstanceOf(AssertionError.class);79    then(systemOutContent).hasToString(format("%s%n%s%n", description + "1", description + "2"));80  }81  @Test82  void should_print_all_soft_assertions_failed_or_successful() {83    // GIVEN84    String description = RandomStringUtils.randomAlphanumeric(20);85    SoftAssertions softly = new SoftAssertions();86    // WHEN87    softly.assertThat("abc").as("1" + description)88          .startsWith("a")89          .as("2" + description)90          .startsWith("b")91          .as("") // description not printed as it is empty92          .startsWith("c")93          .as("3" + description)94          .endsWith("a");95    // THEN96    then(systemOutContent).hasToString(format("%s%n%s%n%s%n", "1" + description, "2" + description, "3" + description));97    // we don't care about the assertions result, we just want to check the description98  }99  @Test100  void should_be_printed_and_consumed_by_configured_description_consumer() {101    final StringBuffer consumedDescription = new StringBuffer("");102    Assertions.setDescriptionConsumer(description -> consumedDescription.append(description.toString()));103    String description = RandomStringUtils.randomAlphanumeric(20);104    // WHEN105    assertThat("abc").as("1" + description)106                     .startsWith("a")107                     .as("2" + description)108                     .contains("b")109                     .as(" ")110                     .endsWith("c");111    // THEN112    then(consumedDescription).hasToString("1" + description + "2" + description + " ");113    then(systemOutContent).hasToString(format("%s%n%s%n %n", "1" + description, "2" + description));114  }115  @Test116  void should_not_print_assertions_description_to_console_by_default() {117    // GIVEN118    Assertions.setPrintAssertionsDescription(originalIsPrintAssertionsDescriptionEnabled);119    String description = RandomStringUtils.randomAlphanumeric(20);120    // WHEN121    assertThat("abc").as(description + "1")122                     .startsWith("a")123                     .as(description + "2")124                     .contains("b")125                     .as(" ")126                     .endsWith("c");127    // THEN128    then(systemOutContent.toString()).isEmpty();129  }130}...Source:AbstractAssert_describedAs_consumed_by_configured_consumer_Test.java  
...38    return ConfigurationProvider.CONFIGURATION_PROVIDER.configuration();39  }40  @BeforeAll41  static void setUpStreams() {42    Assertions.setPrintAssertionsDescription(true);43  }44  @BeforeEach45  void beforeEachTest() {46    Assertions.setDescriptionConsumer(DESCRIPTION_CONSUMER);47    consumedDescription = "";48  }49  @AfterAll50  static void restoreOriginalState() {51    Assertions.setPrintAssertionsDescription(originalIsPrintAssertionsDescriptionEnabled);52    Assertions.setDescriptionConsumer(originalDescriptionConsumer);53  }54  @Test55  void should_be_consumed_by_configured_description_consumer_on_successful_assertions() {56    // GIVEN57    String description = RandomStringUtils.random(20);58    // WHEN59    assertThat("abc").as("1" + description)60                     .startsWith("a")61                     .as("2" + description)62                     .contains("b")63                     .as("") // description captured even if empty, consumer can filter it if needed64                     .endsWith("c");65    // THEN...Source:EntryPointAssertions_setPrintAssertionsDescription_Test.java  
...17import org.junit.jupiter.api.AfterEach;18import org.junit.jupiter.api.DisplayName;19import org.junit.jupiter.params.ParameterizedTest;20import org.junit.jupiter.params.provider.MethodSource;21@DisplayName("EntryPoint assertions setPrintAssertionsDescription method")22class EntryPointAssertions_setPrintAssertionsDescription_Test extends EntryPointAssertionsBaseTest {23  private static final boolean DEFAULT_EXTRACTING_BARE_NAME_PROPERTY_METHODS = AbstractAssert.printAssertionsDescription;24  @AfterEach25  void afterEachTest() {26    // reset to the default value to avoid side effects on the other tests27    AbstractAssert.printAssertionsDescription = DEFAULT_EXTRACTING_BARE_NAME_PROPERTY_METHODS;28  }29  @ParameterizedTest30  @MethodSource("setPrintAssertionsDescriptionMethodsFunctions")31  void should_set_printAssertionsDescription_value(Consumer<Boolean> setPrintAssertionsDescriptionMethodsFunction) {32    // GIVEN33    boolean printAssertionsDescription = !DEFAULT_EXTRACTING_BARE_NAME_PROPERTY_METHODS;34    // WHEN35    setPrintAssertionsDescriptionMethodsFunction.accept(printAssertionsDescription);36    // THEN37    then(AbstractAssert.printAssertionsDescription).isEqualTo(printAssertionsDescription);38  }39  private static Stream<Consumer<Boolean>> setPrintAssertionsDescriptionMethodsFunctions() {40    return Stream.of(Assertions::setPrintAssertionsDescription,41                     BDDAssertions::setPrintAssertionsDescription,42                     WithAssertions::setPrintAssertionsDescription);43  }44}...setPrintAssertionsDescription
Using AI Code Generation
1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.BDDAssertions.then;4import static org.assertj.core.api.BDDAssertions.thenExceptionOfType;5import static org.assertj.core.api.BDDAssertions.thenIllegalArgumentException;6import static org.assertj.core.api.BDDAssertions.thenNullPointerException;7import static org.assertj.core.api.BDDAssertions.thenThrownBy;8{9    public void testApp()10    {11        thenIllegalArgumentException().isThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); });12        thenNullPointerException().isThrownBy(() -> { throw new NullPointerException("I am a NullPointerException"); });13        thenExceptionOfType(IllegalArgumentException.class).isThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); });14        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).isInstanceOf(IllegalArgumentException.class);15        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessage("I am an IllegalArgumentException");16        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageContaining("IllegalArgumentException");17        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageStartingWith("I am");18        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageEndingWith("Exception");19        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException");20        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*");21        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception");22        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception.*");23        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception.*IllegalArgumentException");24        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception.*IllegalArgumentException.*");25        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception.*IllegalArgumentException.*Exception");26        thenThrownBy(() -> { throw new IllegalArgumentException("I am an IllegalArgumentException"); }).hasMessageMatching(".*IllegalArgumentException.*Exception.*IllegalArgumentException.*Exception.*");setPrintAssertionsDescription
Using AI Code Generation
1package org.example;2import org.assertj.core.api.BDDAssertions;3public class App {4    public static void main(String[] args) {5        BDDAssertions.setPrintAssertionsDescription(true);6        BDDAssertions.then(true).as("This is an assertion").isTrue();7    }8}9        at org.example.App.main(App.java:8)10assertThat() Method of org.assertj.core.api.BDDAssertions Class11as() Method of org.assertj.core.api.BDDAssertions Class12isTrue() Method of org.assertj.core.api.BDDAssertions Class13isFalse() Method of org.assertj.core.api.BDDAssertions Class14isNotNull() Method of org.assertj.core.api.BDDAssertions Class15isNull() Method of org.assertj.core.api.BDDAssertions Class16isEqualTo() Method of org.assertj.core.api.BDDAssertions Class17isNotEqualTo() Method of org.assertj.core.api.BDDAssertions Class18isSameAs() Method of org.assertj.core.api.BDDAssertions Class19isNotSameAs() Method of org.assertj.core.api.BDDAssertions Class20isInstanceOf() Method of org.assertj.core.api.BDDAssertions Class21isNotInstanceOf() Method of org.assertj.core.api.BDDAssertions Class22hasSize() Method of org.assertj.core.api.BDDAssertions Class23contains() Method of org.assertj.core.api.BDDAssertions Class24containsOnly() Method of org.assertj.core.api.BDDAssertions Class25containsExactly() Method of org.assertj.core.api.BDDAssertions Class26containsExactlyInAnyOrder() Method of org.assertj.core.api.BDDAssertions Class27containsSequence() Method of org.assertj.core.api.BDDAssertions Class28hasSameElementsAs() Method of org.assertj.core.api.BDDAssertions Class29startsWith() Method of org.assertj.core.api.BDDAssertions Class30endsWith() Method of org.assertj.core.api.BDDAssertions Class31containsPattern() Method of org.assertj.core.api.BDDAssertions Class32matches() Method of org.assertj.core.api.BDDAssertions Class33containsExactlyInAnyOrderElementsOf() Method of org.assertj.core.api.BDDAssertions Class34containsExactlyElementsOf() Method of org.assertj.core.api.BDDAssertions Class35containsExactlyInAnyOrderEntriesOf() Method ofsetPrintAssertionsDescription
Using AI Code Generation
1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.BDDAssertions.then;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4public class 1 {5    public void test() {6        then(true).isTrue();7        thenThrownBy(() -> {8            throw new RuntimeException("boom!");9        }).hasMessage("boom!");10        thenThrownBy(() -> {11            throw new RuntimeException("boom!");12        }).hasMessage("boom!");13    }14}setPrintAssertionsDescription
Using AI Code Generation
1import org.assertj.core.api.BDDAssertions;2public class Test {3    public static void main(String[] args) {4        BDDAssertions.setPrintAssertionsDescription(true);5        BDDAssertions.then("Hello").isEqualTo("Hello");6    }7}8import org.assertj.core.api.BDDAssertions;9public class Test {10    public static void main(String[] args) {11        BDDAssertions.then("Hello", "Assertion description").isEqualTo("Hello");12    }13}setPrintAssertionsDescription
Using AI Code Generation
1package org.assertj.examples;2import static org.assertj.core.api.BDDAssertions.then;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4import static org.assertj.core.api.BDDAssertions.thenCode;5import java.util.List;6import org.assertj.core.api.BDDAssertions;7import org.junit.jupiter.api.Test;8public class BDDAssertionsExamples {9  public void testBDDAssertions() {10    BDDAssertions.setPrintAssertionsDescription(true);11    List<String> list = List.of("one", "two", "three");12    then(list).hasSize(3)13        .contains("one", "two")14        .doesNotContain("four");15    thenThrownBy(() -> {16      throw new IllegalStateException("boom!");17    }).isInstanceOf(IllegalStateException.class)18        .hasMessageContaining("boom");19    thenCode(() -> {20    }).doesNotThrowAnyException();21  }22}23    BDDAssertions.setPrintAssertionsDescription(true);24  symbol:   method setPrintAssertionsDescription(boolean)setPrintAssertionsDescription
Using AI Code Generation
1import org.assertj.core.api.BDDAssertions;2public class 1 {3    public static void main(String[] args) {4        BDDAssertions.setPrintAssertionsDescription(true);5    }6}setPrintAssertionsDescription
Using AI Code Generation
1package org.assertj.core.api;2import java.util.List;3import java.util.Map;4import org.assertj.core.api.Assertions;5import org.assertj.core.api.BDDAssertions;6import org.assertj.core.api.BDDSoftAssertions;7import org.assertj.core.api.BDDSoftAssertionsProvider;8import org.assertj.core.api.Condition;9import org.assertj.core.api.SoftAssertionsProvider;10import org.assertj.core.api.ThrowableAssert;11import org.assertj.core.api.ThrowableAssert.ThrowingCallable;12import org.assertj.core.api.ThrowableAssertAlternative;13import org.assertj.core.api.ThrowableAssertAlternative.ThrowingCallableAlternative;14import org.assertj.core.api.ThrowableAssertBase;15import org.assertj.core.api.ThrowableAssertNoCause;16import org.assertj.core.api.ThrowableAssertNoCause.ThrowingCallableNoCause;17import org.assertj.core.api.ThrowableAssertNoCauseAlternative;18import org.assertj.core.api.ThrowableAssertNoCauseAlternative.ThrowingCallableNoCauseAlternative;19import org.assertj.core.api.ThrowableAssertThrown;20import org.assertj.core.api.ThrowableAssertThrown.ThrowingCallableThrown;21import org.assertj.core.api.ThrowableAssertThrownAlternative;22import org.assertj.core.api.ThrowableAssertThrownAlternative.ThrowingCallableThrownAlternative;23import org.assertj.core.api.ThrowableAssertWithCause;24import org.assertj.core.api.ThrowableAssertWithCause.ThrowingCallableWithCause;25import org.assertj.core.api.ThrowableAssertWithCauseAlternative;26import org.assertj.core.api.ThrowableAssertWithCauseAlternative.ThrowingCallableWithCauseAlternative;27import org.assertj.core.api.ThrowableAssertWithMessage;28import org.assertj.core.api.ThrowableAssertWithMessage.ThrowingCallableWithMessage;29import org.assertj.core.api.ThrowableAssertWithMessageAlternative;30import org.assertj.core.api.ThrowableAssertWithMessageAlternative.ThrowingCallableWithMessageAlternative;31import org.assertj.core.api.ThrowableAssertWithMessageAndNoCause;32import org.assertj.core.api.ThrowableAssertWithMessageAndNoCause.ThrowingCallableWithMessageAndNoCause;33import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseAlternative;34import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseAlternative.ThrowingCallableWithMessageAndNoCauseAlternative;35import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseProvider;36import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseProvider.ThrowingCallableWithMessageAndNoCauseProvider;37import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseProviderAlternative;38import org.assertj.core.api.ThrowableAssertWithMessageAndNoCauseProviderAlternative.ThrowingCallableWithMessageAndsetPrintAssertionsDescription
Using AI Code Generation
1class Test {2    public static void main(String[] args) {3        BDDAssertions.setPrintAssertionsDescription(true);4        BDDAssertions.then("foo").isEqualTo("bar");5    }6}7class Test {8    public static void main(String[] args) {9        BDDAssertions.setPrintAssertionsDescription(true);10        BDDAssertions.then("foo").isEqualTo("bar");11    }12}13class Test {14    public static void main(String[] args) {15        BDDAssertions.setPrintAssertionsDescription(true);16        BDDAssertions.then("foo").isEqualTo("bar");17    }18}19class Test {20    public static void main(String[] args) {21        BDDAssertions.setPrintAssertionsDescription(true);22        BDDAssertions.then("foo").isEqualTo("bar");23    }24}25class Test {26    public static void main(String[] args) {27        BDDAssertions.setPrintAssertionsDescription(true);28        BDDAssertions.then("foo").isEqualTo("bar");29    }30}31class Test {32    public static void main(String[] args) {33        BDDAssertions.setPrintAssertionsDescription(true);34        BDDAssertions.then("foo").isEqualTo("bar");35    }36}37class Test {38    public static void main(String[] args) {39        BDDAssertions.setPrintAssertionsDescription(true);40        BDDAssertions.then("foo").isEqualTo("bar");41    }42}43class Test {44    public static void main(String[] args) {45        BDDAssertions.setPrintAssertionsDescription(true);46        BDDAssertions.then("foo").isEqualTo("bar");47    }48}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.
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