KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use extracting method of org.assertj.core.api.AbstractAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractAssert.extracting

Source:SolaceSpringCloudStreamAssertions.java

...50					.isInstanceOf(type)51					.satisfies(headerValue -> requirements.accept(type.cast(headerValue)));52			if (isBatched) {53				assertThat(message.getHeaders())54						.extractingByKey(SolaceBinderHeaders.BATCHED_HEADERS)55						.isNotNull()56						.isInstanceOf(List.class)57						.asList()58						.isNotEmpty()59						.allSatisfy(msgHeaders -> assertThat(msgHeaders)60								.asInstanceOf(InstanceOfAssertFactories.map(String.class, Object.class))61								.satisfies(satisfiesHeader));62			} else {63				assertThat(message.getHeaders()).satisfies(satisfiesHeader);64			}65		};66	}67	/**68	 * <p>Returns a function to evaluate a message for the lack of a header which may be nested in a batched message.69	 * </p>70	 * <p>Should be used as a parameter of71	 * {@link org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer) satisfies(ThrowingConsumer)}.</p>72	 * @param header header key73	 * @param isBatched is message expected to be a batched message?74	 * {@link org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer) satisfies(ThrowingConsumer)}.75	 * @see org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer)76	 * @return message header requirements evaluator77	 */78	public static ThrowingConsumer<Message<?>> noNestedHeader(String header, boolean isBatched) {79		return message -> {80			if (isBatched) {81				assertThat(message.getHeaders())82						.extractingByKey(SolaceBinderHeaders.BATCHED_HEADERS)83						.isNotNull()84						.isInstanceOf(List.class)85						.asList()86						.isNotEmpty()87						.allSatisfy(msgHeaders -> assertThat(msgHeaders)88								.asInstanceOf(InstanceOfAssertFactories.map(String.class, Object.class))89								.doesNotContainKey(header));90			} else {91				assertThat(message.getHeaders()).doesNotContainKey(header);92			}93		};94	}95	/**96	 * <p>Returns a function to evaluate that a consumed Solace message is valid.</p>97	 * <p>Should be used as a parameter of98	 * {@link org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer) satisfies(ThrowingConsumer)}.</p>99	 * @param consumerProperties consumer properties100	 * @param expectedMessages the messages against which this message will be evaluated against.101	 *                            Should have a size of exactly 1 if this consumer is not in batch mode.102	 * @see org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer)103	 * @return message evaluator104	 */105	public static ThrowingConsumer<Message<?>> isValidMessage(106			ExtendedConsumerProperties<SolaceConsumerProperties> consumerProperties,107			List<Message<?>> expectedMessages) {108		return isValidMessage(consumerProperties, expectedMessages.toArray(new Message<?>[0]));109	}110	/**111	 * Same as {@link #isValidMessage(ExtendedConsumerProperties, List)}.112	 * @param consumerProperties consumer properties113	 * @param expectedMessages the messages against which this message will be evaluated against.114	 *                            Should have a size of exactly 1 if this consumer is not in batch mode.115	 * @see org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer)116	 * @see #isValidMessage(ExtendedConsumerProperties, List)117	 * @return message evaluator118	 */119	public static ThrowingConsumer<Message<?>> isValidMessage(120			ExtendedConsumerProperties<SolaceConsumerProperties> consumerProperties,121			Message<?>... expectedMessages) {122		// content-type header may be a String or MimeType123		Function<Object, MimeType> convertToMimeType = v -> v instanceof MimeType ? (MimeType) v :124				MimeType.valueOf(v.toString());125		MimeType expectedContentType = Optional.ofNullable(expectedMessages[0].getHeaders()126				.get(MessageHeaders.CONTENT_TYPE))127				.map(convertToMimeType)128				.orElse(null);129		return message -> {130			if (consumerProperties.isBatchMode()) {131				assertThat(message.getHeaders())132						.containsKey(IntegrationMessageHeaderAccessor.ACKNOWLEDGMENT_CALLBACK)133						.containsKey(IntegrationMessageHeaderAccessor.DELIVERY_ATTEMPT)134						.extractingByKey(SolaceBinderHeaders.BATCHED_HEADERS)135						.isNotNull()136						.isInstanceOf(List.class)137						.asList()138						.hasSize(expectedMessages.length)139						.allSatisfy(msgHeaders -> assertThat(msgHeaders)140								.asInstanceOf(InstanceOfAssertFactories.map(String.class, Object.class))141								.doesNotContainKey(IntegrationMessageHeaderAccessor.ACKNOWLEDGMENT_CALLBACK)142								.doesNotContainKey(IntegrationMessageHeaderAccessor.DELIVERY_ATTEMPT)143								.hasEntrySatisfying(MessageHeaders.CONTENT_TYPE, contentType ->144										assertThat(convertToMimeType.apply(contentType))145												.isEqualTo(expectedContentType)));146				assertThat(message.getPayload())147						.isInstanceOf(List.class)148						.asList()149						.containsExactly(Arrays.stream(expectedMessages).map(Message::getPayload).toArray());150			} else {151				assertThat(message.getPayload()).isEqualTo(expectedMessages[0].getPayload());152				assertThat(StaticMessageHeaderAccessor.getContentType(message)).isEqualTo(expectedContentType);153				assertThat(message.getHeaders())154						.containsKey(IntegrationMessageHeaderAccessor.ACKNOWLEDGMENT_CALLBACK)155						.containsKey(IntegrationMessageHeaderAccessor.DELIVERY_ATTEMPT);156			}157		};158	}159	/**160	 * <p>Returns a function to evaluate that an error message is valid.</p>161	 * <p>Should be used as a parameter of162	 * {@link org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer) satisfies(ThrowingConsumer)}.</p>163	 * @param expectRawMessageHeader true if the error message contains the raw XMLMessage164	 * @see org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer)165	 * @return message evaluator166	 */167	public static ThrowingConsumer<Message<?>> isValidProducerErrorMessage(boolean expectRawMessageHeader) {168		return errorMessage -> {169			assertThat(errorMessage.getPayload()).isNotNull();170			assertThat(errorMessage)171					.asInstanceOf(InstanceOfAssertFactories.type(ErrorMessage.class))172					.extracting(ErrorMessage::getOriginalMessage)173					.isNotNull();174			if (expectRawMessageHeader) {175				assertThat((Object) StaticMessageHeaderAccessor.getSourceData(errorMessage))176						.isInstanceOf(XMLMessage.class);177			} else {178				assertThat(errorMessage.getHeaders())179						.doesNotContainKey(IntegrationMessageHeaderAccessor.SOURCE_DATA);180			}181		};182	}183	/**184	 * <p>Returns a function to evaluate that a consumed Solace message is valid.</p>185	 * <p>Should be used as a parameter of186	 * {@link org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer) satisfies(ThrowingConsumer)}.</p>187	 * @param consumerProperties consumer properties188	 * @param pollableConsumer true if consumer is a pollable consumer189	 * @param expectRawMessageHeader true if the error message contains the raw XMLMessage190	 * @param expectedMessages the messages against which this message will be evaluated against.191	 *                            Should have a size of exactly 1 if this consumer is not in batch mode.192	 * @see org.assertj.core.api.AbstractAssert#satisfies(ThrowingConsumer)193	 * @return message evaluator194	 */195	public static ThrowingConsumer<Message<?>> isValidConsumerErrorMessage(196			ExtendedConsumerProperties<SolaceConsumerProperties> consumerProperties,197			boolean pollableConsumer,198			boolean expectRawMessageHeader,199			List<Message<?>> expectedMessages) {200		return errorMessage -> {201			assertThat(errorMessage.getPayload()).isNotNull();202			assertThat(errorMessage)203					.asInstanceOf(InstanceOfAssertFactories.type(ErrorMessage.class))204					.extracting(ErrorMessage::getOriginalMessage)205					.isNotNull()206					.satisfies(isValidMessage(consumerProperties, expectedMessages))207					.extracting(Message::getHeaders)208					.asInstanceOf(InstanceOfAssertFactories.map(String.class, Object.class))209					.hasEntrySatisfying(IntegrationMessageHeaderAccessor.DELIVERY_ATTEMPT, deliveryAttempt ->210							assertThat(deliveryAttempt)211									.asInstanceOf(InstanceOfAssertFactories.ATOMIC_INTEGER)212									.hasValue(pollableConsumer ? 0 : consumerProperties.getMaxAttempts()));213			if (expectRawMessageHeader) {214				if (consumerProperties.isBatchMode()) {215					assertThat((Object) StaticMessageHeaderAccessor.getSourceData(errorMessage))216							.isNotNull()217							.asList()218							.allSatisfy(m -> assertThat(m).isInstanceOf(XMLMessage.class));219				} else {220					assertThat((Object) StaticMessageHeaderAccessor.getSourceData(errorMessage))221							.isInstanceOf(XMLMessage.class);...

Source:ContainerConfigAssert.java

...71		BuildMetadataAssert(JsonContentAssert jsonContentAssert) {72			super(jsonContentAssert, BuildMetadataAssert.class);73		}74		public ListAssert<Object> buildpacks() {75			return this.actual.extractingJsonPathArrayValue("$.buildpacks[*].id");76		}77		public ListAssert<Object> bomDependencies() {78			return this.actual79					.extractingJsonPathArrayValue("$.bom[?(@.name=='dependencies')].metadata.dependencies[*].name");80		}81		public AbstractStringAssert<?> bomJavaVersion(String javaType) {82			return this.actual.extractingJsonPathArrayValue("$.bom[?(@.name=='%s')].metadata.version", javaType)83					.singleElement(Assertions.as(InstanceOfAssertFactories.STRING));84		}85		public AbstractObjectAssert<?, Object> processOfType(String type) {86			return this.actual.extractingJsonPathArrayValue("$.processes[?(@.type=='%s')]", type).singleElement();87		}88	}89	/**90	 * Asserts for the JSON content in the {@code io.buildpacks.lifecycle.metadata} label.91	 *92	 * See <a href=93	 * "https://github.com/buildpacks/spec/blob/main/platform.md#iobuildpackslifecyclemetadata-json">the94	 * spec</a>95	 */96	public static class LifecycleMetadataAssert extends AbstractAssert<LifecycleMetadataAssert, JsonContentAssert> {97		LifecycleMetadataAssert(JsonContentAssert jsonContentAssert) {98			super(jsonContentAssert, LifecycleMetadataAssert.class);99		}100		public ListAssert<Object> buildpackLayers(String buildpackId) {101			return this.actual.extractingJsonPathArrayValue("$.buildpacks[?(@.key=='%s')].layers", buildpackId);102		}103		public AbstractListAssert<?, List<?>, Object, ObjectAssert<Object>> appLayerShas() {104			return this.actual.extractingJsonPathArrayValue("$.app").extracting("sha");105		}106	}107}...

Source:AssertJAspect.java

...22	public void asMethod()23	{24	}2526	@Pointcut("call(* org.assertj.core.api.*Assert.extracting(..))")27	public void extractingMethod()28	{29	}3031	@AfterReturning("assertionMethod() && !asMethod() && !extractingMethod()")32	public void normalReturn(JoinPoint joinPoint)33	{34		Object target = joinPoint.getTarget();35		String message;36		if (target instanceof AbstractAssert)37		{38			AbstractAssert<?, ?> abstractAssert = (AbstractAssert<?, ?>) target;39			WritableAssertionInfo info = abstractAssert.info;40			message = info.descriptionText();41		}42		else43		{44			message = "";45		}46		this.logService.succeed(joinPoint.getSignature(), message);47	}4849	@AfterThrowing(pointcut = "assertionMethod() && !asMethod() && !extractingMethod()",50			throwing = "throwable")51	public void caughtThrowable(JoinPoint joinPoint, Throwable throwable)52	{53		this.logService.fail(joinPoint.getSignature(), throwable);54	}55}
...

extracting

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class ExtractingExample extends AbstractAssert<ExtractingExample, String> {3    public ExtractingExample(String actual) {4        super(actual, ExtractingExample.class);5    }6    public static ExtractingExample assertThat(String actual) {7        return new ExtractingExample(actual);8    }9    public ExtractingExample hasLength(int expectedLength) {10        isNotNull();11        if (actual.length() != expectedLength) {12            failWithMessage("Expected length of <%s> to be <%d> but was <%d>", actual, expectedLength, actual.length());13        }14        return this;15    }16    public ExtractingExample contains(String expectedSubString) {17        isNotNull();18        if (!actual.contains(expectedSubString)) {19            failWithMessage("Expected string <%s> to contain <%s>", actual, expectedSubString);20        }21        return this;22    }23}24import static org.assertj.core.api.Assertions.assertThat;25public class TestExtracting {26    public static void main(String[] args) {27        String actual = "AssertJ";28        assertThat(actual)29                .hasLength(7)30                .contains("rtJ");31    }32}33at org.assertj.core.error.ShouldContainCharSequence.shouldContain(ShouldContainCharSequence.java:59)34at org.assertj.core.internal.Strings.assertContains(Strings.java:151)35at org.assertj.core.internal.Strings.assertContains(Strings.java:145)36at org.assertj.core.internal.Strings.assertContains(Strings.java:141)37at org.assertj.core.api.AbstractStringAssert.contains(AbstractStringAssert.java:222)38at org.assertj.core.api.AbstractStringAssert.contains(AbstractStringAssert.java:56)39at ExtractingExample.contains(1.java:31)40at TestExtracting.main(2.java:13)41org.assertj.core.api.AbstractAssert.failWithMessage(AbstractAssert.java:120)42org.assertj.core.api.AbstractStringAssert.contains(AbstractStringAssert.java:224)43org.assertj.core.api.AbstractStringAssert.contains(AbstractStringAssert.java:56)44ExtractingExample.contains(1.java:31)45TestExtracting.main(2.java:13)

extracting

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class AssertJTest extends AbstractAssert<AssertJTest, Integer> {3    public AssertJTest(Integer actual) {4        super(actual, AssertJTest.class);5    }6    public static AssertJTest assertThat(Integer actual) {7        return new AssertJTest(actual);8    }9    public AssertJTest isEven() {10        isNotNull();11        if (actual % 2 != 0) {12            failWithMessage("%nExpecting:%n <%s>%nto be even", actual);13        }14        return this;15    }16    public AssertJTest isOdd() {17        isNotNull();18        if (actual % 2 == 0) {19            failWithMessage("%nExpecting:%n <%s>%nto be odd", actual);20        }21        return this;22    }23}24import org.junit.Test;25public class AssertJTestTest {26    public void test() {27        AssertJTest.assertThat(1).isOdd();28    }29}

extracting

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.Condition;4import org.assertj.core.api.ListAssert;5import org.assertj.core.api.ObjectAssert;6import org.assertj.core.api.ObjectArrayAssert;7import org.assertj.core.api.StringAssert;8import org.assertj.core.api.ThrowableAssert;9import org.assertj.core.api.ThrowableAssertAlternative;10import org.assertj.core.api.ThrowableAssertBase;11import org.assertj.core.api.ThrowableAssertCatchClause;12public class 1 extends AbstractAssert<1, String> {13  public 1(String actual) {14    super(actual, 1.class);15  }16  public static 1 assertThat(String actual) {17    return new 1(actual);18  }19  public 1 isUpperCase() {20    isNotNull();21    if (!actual.equals(actual.toUpperCase())) {22      failWithMessage("Expected string to be upper case but was <%s>", actual);23    }24    return this;25  }26}27import org.assertj.core.api.AbstractAssert;28import org.assertj.core.api.Assertions;29import org.assertj.core.api.Condition;30import org.assertj.core.api.ListAssert;31import org.assertj.core.api.ObjectAssert;32import org.assertj.core.api.ObjectArrayAssert;33import org.assertj.core.api.StringAssert;34import org.assertj.core.api.ThrowableAssert;35import org.assertj.core.api.ThrowableAssertAlternative;36import org.assertj.core.api.ThrowableAssertBase;37import org.assertj.core.api.ThrowableAssertCatchClause;38public class 2 extends AbstractAssert<2, String> {39  public 2(String actual) {40    super(actual, 2.class);41  }42  public static 2 assertThat(String actual) {43    return new 2(actual);44  }45  public 2 isLowerCase() {46    isNotNull();47    if (!actual.equals(actual.toLowerCase())) {48      failWithMessage("Expected string to be lower case but was <%s>", actual);49    }50    return this;51  }52}53import org.assertj.core.api.AbstractAssert;54import org.assertj.core.api.Assertions;55import org.assertj.core.api.Condition;56import org.assertj.core.api.List

extracting

Using AI Code Generation

1assertThat("abc").extracting("length").isEqualTo(3);2assertThat("abc").extracting("length", Integer.class).isEqualTo(3);3assertThat("abc").extracting("length").isEqualTo(3);4assertThat("abc").extracting("length", Integer.class).isEqualTo(3);5assertThat("abc").extracting("length").isEqualTo(3);6assertThat("abc").extracting("length", Integer.class).isEqualTo(3);7assertThat("abc").extracting("length").isEqualTo(3);8assertThat("abc").extracting("length", Integer.class).isEqualTo(3);9assertThat("abc").extracting("length").isEqualTo(3);10assertThat("abc").extracting("length", Integer.class).isEqualTo(3);11assertThat("abc").extracting("length").isEqualTo(3);12assertThat("abc").extracting("length", Integer.class).isEqualTo(3);13assertThat("abc").extracting("length").isEqualTo(3);14assertThat("abc").extracting("length", Integer.class).isEqualTo(3);15assertThat("abc").extracting("length").isEqualTo(3);

extracting

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2public class 1 {3    public static void main(String[] args) {4        assertThat(1).extracting("intValue").isEqualTo(1);5    }6}7at org.junit.Assert.assertEquals(Assert.java:115)8at org.junit.Assert.assertEquals(Assert.java:144)9at 1.main(1.java:6)10S.No. Method & Description 1 assertThat() The assertThat() method is used to create a new instance of the AbstractAssert class. It takes an actual value as an argument. 2 isEqualTo() The isEqualTo() method is used to check whether the actual value is equal to the expected value. 3 isNotEqualTo() The isNotEqualTo() method is used to check whether the actual value is not equal to the expected value. 4 isNull() The isNull() method is used to check whether the actual value is null. 5 isNotNull() The isNotNull() method is used to check whether the actual value is not null. 6 isSameAs() The isSameAs() method is used to check whether the actual value is the same as the expected value. 7 isNotSameAs() The isNotSameAs() method is used to check whether the actual value is not the same as the expected value. 8 isInstanceOf() The isInstanceOf() method is used to check whether the actual value is an instance of the expected class. 8 isNotInstanceOf() The isNotInstanceOf() method is used to check whether the actual value is not an instance of the expected class. 9 isExactlyInstanceOf() The isExactlyInstanceOf() method is used to check whether the actual value is exactly an instance of the expected class. 10 isNotExactlyInstanceOf() The isNotExactlyInstanceOf() method is used to check whether the actual value is not exactly an instance of the expected class. 11 isInstanceOfAny() The isInstanceOfAny() method is used to

extracting

Using AI Code Generation

1import org.assertj.core.api.*;2public class 1 {3    public static void main(String[] args) {4        Assertions.assertThat("Hello World")5                .extracting(String::length)6                .isEqualTo(11);7    }8}9import org.assertj.core.api.*;10public class 2 {11    public static void main(String[] args) {12        Assertions.assertThat(Arrays.asList("Hello", "World"))13                .extracting(String::length)14                .contains(5, 5);15    }16}17import org.assertj.core.api.*;18public class 3 {19    public static void main(String[] args) {20        Assertions.assertThat(new String[]{"Hello", "World"})21                .extracting(String::length)22                .contains(5, 5);23    }24}25import org.assertj.core.api.*;26public class 4 {27    public static void main(String[] args) {28        Assertions.assertThat(new Person("John", "Doe"))29                .extracting(Person::getFirstName, Person::getLastName)30                .containsExactly("John", "Doe");31    }32    static class Person {33        private String firstName;34        private String lastName;35        public Person(String firstName, String lastName) {36            this.firstName = firstName;37            this.lastName = lastName;38        }39        public String getFirstName() {40            return firstName;41        }42        public String getLastName() {43            return lastName;44        }45    }46}47import org.assertj.core.api.*;48import java.util.Optional;49public class 5 {50    public static void main(String[] args) {51        Assertions.assertThat(Optional.of("Hello World"))52                .extracting(String::length)53                .isEqualTo(11);54    }55}56import org.assertj.core.api.*;57public class 6 {58    public static void main(String[] args) {59        Assertions.assertThat(new Exception("Hello World"))60                .extracting(Throwable::getMessage)61                .isEqualTo("Hello World");62    }63}

extracting

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3class ExtractingTest {4    public static void main(String[] args) {5        Assertions.assertThat(new Person("John", 23))6            .extracting("name", "age")7            .containsExactly("John", 23);8    }9    static class Person {10        private String name;11        private int age;12        public Person(String name, int age) {13            this.name = name;14            this.age = age;15        }16        public String getName() {17            return name;18        }19        public int getAge() {20            return age;21        }22    }23}

extracting

Using AI Code Generation

1import java.util.List;2import java.util.ArrayList;3import org.assertj.core.api.Assertions;4import org.assertj.core.api.AbstractAssert;5public class 1 {6  public static void main(String[] args) {7    List<Person> persons = new ArrayList<>();8    persons.add(new Person("John", "Doe"));9    persons.add(new Person("Jane", "Doe"));10    persons.add(new Person("John", "Smith"));11    persons.add(new Person("Jane", "Smith"));12    List<String> firstNames = Assertions.extracting(persons, "firstName", String.class);13    firstNames.forEach(System.out::println);14  }15}

extracting

Using AI Code Generation

1import org.assertj.core.api.*;2public class ExtractingMethod {3    public static void main(String[] args) {4        Employee employee = new Employee();5        employee.setName("John");6        employee.setAge(30);7        employee.setSalary(5000);8        String name = Assertions.assertThat(employee).extracting("name").toString();9        System.out.println(name);10    }11}12class Employee {13    private String name;14    private int age;15    private int salary;16    public String getName() {17        return name;18    }19    public void setName(String name) {20        this.name = name;21    }22    public int getAge() {23        return age;24    }25    public void setAge(int age) {26        this.age = age;27    }28    public int getSalary() {29        return salary;30    }31    public void setSalary(int salary) {32        this.salary = salary;33    }34}

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.