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

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

Source:AssertionsUtil.java

1package com.leakyabstractions.result.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.assertThatExceptionOfType;4import static org.assertj.core.api.Assertions.catchThrowableOfType;5import static org.assertj.core.api.BDDAssertions.then;6import static org.assertj.core.presentation.UnicodeRepresentation.UNICODE_REPRESENTATION;7import static org.assertj.core.util.introspection.PropertyOrFieldSupport.EXTRACTION;8import java.util.Comparator;9import java.util.UUID;10import org.assertj.core.api.AbstractAssert;11import org.assertj.core.api.Condition;12import org.assertj.core.api.ThrowableAssert.ThrowingCallable;13import org.assertj.core.api.ThrowableAssertAlternative;14import org.junit.jupiter.api.Test;15class AssertionsUtil {16    static AssertionError expectAssertionError(ThrowingCallable shouldRaiseAssertionError) {17        AssertionError error = catchThrowableOfType(shouldRaiseAssertionError, AssertionError.class);18        assertThat(error).as("The code under test should have raised an AssertionError").isNotNull();19        return error;20    }21    static ThrowableAssertAlternative<AssertionError> assertThatAssertionErrorIsThrownBy(22            ThrowingCallable shouldRaiseAssertionError) {23        return assertThatExceptionOfType(AssertionError.class).isThrownBy(shouldRaiseAssertionError);24    }25    static class TestCondition<T> extends Condition<T> {26        private final boolean matches;27        TestCondition(boolean matches) {28            this.matches = matches;29        }30        @Override31        public boolean matches(T value) {32            return matches;33        }34    }35    static class AlwaysEqualComparator<T> implements Comparator<T> {36        static final AlwaysEqualComparator<Object> INSTANCE = new AlwaysEqualComparator<>();37        @Override38        public int compare(T o1, T o2) {39            return 0;40        }41        @Override42        public String toString() {43            return "AlwaysEqualComparator";44        }45    }46    static interface NavigationMethodBaseTest<ASSERT extends AbstractAssert<ASSERT, ?>> {47        ASSERT getAssertion();48        AbstractAssert<?, ?> invoke_navigation_method(ASSERT assertion);49        @Test50        default void should_honor_registered_comparator() {51            // Given52            ASSERT assertion = getAssertion().usingComparator(AlwaysEqualComparator.INSTANCE);53            // When54            AbstractAssert<?, ?> result = invoke_navigation_method(assertion);55            // Then56            result.isEqualTo(UUID.randomUUID()); // random value to avoid false positives57        }58        @Test59        default void should_keep_existing_assertion_state() {60            // Given61            ASSERT assertion = getAssertion().as("description")62                    .withFailMessage("error message")63                    .withRepresentation(UNICODE_REPRESENTATION)64                    .usingComparator(AlwaysEqualComparator.INSTANCE);65            // When66            AbstractAssert<?, ?> result = invoke_navigation_method(assertion);67            // Then68            then(result).hasFieldOrPropertyWithValue("objects", EXTRACTION.getValueOf("objects", assertion))69                    .extracting(AbstractAssert::getWritableAssertionInfo)70                    .usingRecursiveComparison()71                    .isEqualTo(assertion.info);72        }73    }74}...

Source:CustomAbstractAssert.java

...27    private static final String ORG_XMLUNIT_ASSERTJ_ERROR = "org.xmlunit.assertj.error";28    CustomAbstractAssert(ACTUAL actual, Class<?> selfType) {29        super(actual, selfType);30    }31    void throwAssertionError(AssertionErrorFactory assertionErrorFactory) {32        AssertionError assertionError = Failures.instance().failureIfErrorMessageIsOverridden(info);33        if (assertionError == null) {34            assertionError = assertionErrorFactory.newAssertionError(info.description(), info.representation());35        }36        Failures.instance().removeAssertJRelatedElementsFromStackTraceIfNeeded(assertionError);37        removeCustomAssertRelatedElementsFromStackTraceIfNeeded(assertionError);38        throw assertionError;39    }40    private void removeCustomAssertRelatedElementsFromStackTraceIfNeeded(AssertionError assertionError) {41        if (!Failures.instance().isRemoveAssertJRelatedElementsFromStackTrace()) return;42        List<StackTraceElement> filtered = newArrayList(assertionError.getStackTrace());43        for (StackTraceElement element : assertionError.getStackTrace()) {44            if (isElementOfCustomAssert(element)) {45                filtered.remove(element);46            }47        }48        StackTraceElement[] newStackTrace = filtered.toArray(new StackTraceElement[0]);49        assertionError.setStackTrace(newStackTrace);50    }51    private boolean isElementOfCustomAssert(StackTraceElement stackTraceElement) {52        Class<?> currentAssertClass = getClass();53        while (currentAssertClass != AbstractAssert.class) {54            if (stackTraceElement.getClassName().equals(currentAssertClass.getName())) {55                return true;56            }57            if (stackTraceElement.getClassName().contains(ORG_XMLUNIT_ASSERTJ_ERROR)) {58                return true;59            }60            currentAssertClass = currentAssertClass.getSuperclass();61        }62        return false;63    }...

Source:XPathExpressionAssert.java

1package com.github.attiand.assertj.jaxrs.xml.asserts;2import javax.xml.xpath.XPathExpression;3import javax.xml.xpath.XPathExpressionException;4import org.assertj.core.api.AbstractAssert;5import org.assertj.core.api.BooleanAssert;6import org.assertj.core.api.DoubleAssert;7import org.assertj.core.api.IntegerAssert;8import org.assertj.core.api.StringAssert;9import org.w3c.dom.Document;10public class XPathExpressionAssert extends AbstractAssert<XPathExpressionAssert, XPathExpression> {11	private static final String XPATH_EVALUATION_ERROR = "Could not evaluate xpatch expression";12	private final Document document;13	public XPathExpressionAssert(XPathExpression actual, Document document) {14		super(actual, XPathExpressionAssert.class);15		this.document = document;16	}17	@Override18	public StringAssert asString() {19		isNotNull();20		try {21			String result = actual.evaluateExpression(document, String.class);22			return new StringAssert(result);23		} catch (XPathExpressionException e) {24			throw new AssertionError(XPATH_EVALUATION_ERROR, e);25		}26	}27	public IntegerAssert asInteger() {28		isNotNull();29		try {30			Integer result = actual.evaluateExpression(document, Integer.class);31			return new IntegerAssert(result);32		} catch (XPathExpressionException e) {33			throw new AssertionError(XPATH_EVALUATION_ERROR, e);34		}35	}36	public DoubleAssert asDouble() {37		isNotNull();38		try {39			Double result = actual.evaluateExpression(document, Double.class);40			return new DoubleAssert(result);41		} catch (XPathExpressionException e) {42			throw new AssertionError(XPATH_EVALUATION_ERROR, e);43		}44	}45	public BooleanAssert asBoolean() {46		isNotNull();47		try {48			Boolean result = actual.evaluateExpression(document, Boolean.class);49			return new BooleanAssert(result);50		} catch (XPathExpressionException e) {51			throw new AssertionError(XPATH_EVALUATION_ERROR, e);52		}53	}54}...

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class AssertionExample extends AbstractAssert<AssertionExample, String> {3    public AssertionExample(String actual) {4        super(actual, AssertionExample.class);5    }6    public static AssertionExample assertThat(String actual) {7        return new AssertionExample(actual);8    }9    public AssertionExample isEqualTo(String expected) {10        if (!actual.equals(expected)) {11            failWithMessage("expected <%s> but was <%s>", expected, actual);12        }13        return this;14    }15}16public class Test {17    public static void main(String[] args) {18        AssertionExample.assertThat("test").isEqualTo("test");19    }20}21Exception in thread "main" java.lang.NoSuchMethodError: org.assertj.core.api.AbstractAssert.failWithMessage(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)Lorg/assertj/core/api/AbstractAssert;22	at AssertionExample.isEqualTo(AssertionExample.java:12)23	at Test.main(Test.java:7)24× Email codedump link for NoSuchMethodError: org.assertj.core.api.AbstractAssert.failWithMessage(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)Lorg/assertj/core/api/AbstractAssert;

assertionError

Using AI Code Generation

1package org.example;2import org.assertj.core.api.AbstractAssert;3public class MyAssert extends AbstractAssert<MyAssert, String> {4    public MyAssert(String actual) {5        super(actual, MyAssert.class);6    }7    public static MyAssert assertThat(String actual) {8        return new MyAssert(actual);9    }10    public MyAssert isEqualTo(String expected) {11        if (actual == null || expected == null) {12            failWithMessage("expected <%s> but was <%s>", expected, actual);13        }14        if (!actual.equals(expected)) {15            failWithMessage("expected <%s> but was <%s>", expected, actual);16        }17        return this;18    }19}20package org.example;21public class Test {22    public static void main(String[] args) {23        MyAssert.assertThat("test").isEqualTo("test");24    }25}26	at org.example.MyAssert.failWithMessage(MyAssert.java:19)27	at org.example.MyAssert.isEqualTo(MyAssert.java:27)28	at org.example.Test.main(Test.java:9)29package org.example;30import org.assertj.core.api.AbstractAssert;31public class MyAssert extends AbstractAssert<MyAssert, String> {32    public MyAssert(String actual) {33        super(actual, MyAssert.class);34    }35    public static MyAssert assertThat(String actual) {36        return new MyAssert(actual);37    }38    public MyAssert isEqualTo(String expected) {39        if (actual == null || expected == null) {40            failWithMessage("expected <%s> but was <%s>", expected, actual);41        }42        if (!actual.equals(expected)) {43            failWithMessage("expected <%s> but was <%s>", expected, actual);44        }45        return this;46    }47}48package org.example;49public class Test {50    public static void main(String[] args) {51        MyAssert.assertThat("test").isEqualTo("test");52    }53}

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class 1 extends AbstractAssert<1, String> {5    public 1(String actual) {6        super(actual, 1.class);7    }8    public static 1 assertThat(String actual) {9        return new 1(actual);10    }11    public 1 isEqualTo(String expected) {12        isNotNull();13        if (!actual.equals(expected)) {14            failWithMessage("Expected <%s> but was <%s>", expected, actual);15        }16        return this;17    }18}19import org.assertj.core.api.Assertions;20import org.junit.Test;21public class 2 {22    public void test() {23        Assertions.assertThat("foo").isEqualTo("foo");24    }25}26import org.junit.Assert;27import org.junit.Test;28public class 3 {29    public void test() {30        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));31    }32}33import org.junit.Assert;34import org.junit.Test;35public class 4 {36    public void test() {37        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));38    }39}40import org.junit.Assert;41import org.junit.Test;42public class 5 {43    public void test() {44        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));45    }46}47import org.junit.Assert;48import org.junit.Test;49public class 6 {50    public void test() {51        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));52    }53}54import org.junit.Assert;55import org.junit.Test;56public class 7 {57    public void test() {58        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));59    }60}61import org.junit.Assert;62import org.junit.Test;63public class 8 {64    public void test() {65        Assert.assertThat("foo", org.hamcrest.Matchers.is("foo"));66    }67}

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.AbstractThrowableAssert;3import org.assertj.core.api.Assertions;4import org.assertj.core.api.ThrowableAssert;5import org.junit.Test;6public class 1 extends AbstractAssert<1, Throwable> {7    public 1(Throwable actual) {8        super(actual, 1.class);9    }10    public static 1 assertThat(Throwable actual) {11        return new 1(actual);12    }13    public 1 hasMessage(String expected) {14        isNotNull();15        String actualMessage = actual.getMessage();16        if (!actualMessage.equals(expected)) {17            failWithMessage("Expected exception message to be <%s> but was <%s>", expected, actualMessage);18        }19        return this;20    }21    public 1 hasMessageContaining(String expected) {22        isNotNull();23        String actualMessage = actual.getMessage();24        if (!actualMessage.contains(expected)) {25            failWithMessage("Expected exception message to contain <%s> but was <%s>", expected, actualMessage);26        }27        return this;28    }29    public 1 hasCauseInstanceOf(Class<? extends Throwable> expected) {30        isNotNull();31        Throwable actualCause = actual.getCause();32        if (!expected.isInstance(actualCause)) {33            failWithMessage("Expected exception cause to be an instance of <%s> but was <%s>", expected, actualCause);34        }35        return this;36    }37    public 1 hasNoCause() {38        isNotNull();39        Throwable actualCause = actual.getCause();40        if (actualCause != null) {41            failWithMessage("Expected exception to have no cause but had <%s>", actualCause);42        }43        return this;44    }45}46import static org.assertj.core.api.Assertions.assertThat;47import static org.assertj.core.api.Assertions.assertThatExceptionOfType;48import static org.assertj.core.api.Assertions.catchThrowable;49import static org.assertj.core.api.Assertions.fail;50import static org.assertj.core.api.Assertions.failBecauseExceptionWasNotThrown;51import org.junit.Test;52public class 2 {53    public void test() {54        Throwable thrown = catchThrowable(() -> {55            throw new IllegalArgumentException("boom!");56        });57        assertThat(thrown).isInstanceOf(IllegalArgumentException.class)58                          .hasMessage("boom!")59                          .hasMessageContaining("boom")60                          .hasNoCause();61    }62}

assertionError

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.*;4{5    public void testAssertThat()6    {7        assertThat(1).isEqualTo(1);8    }9}10package org.example;11import org.junit.jupiter.api.Test;12import static org.assertj.core.api.Assertions.*;13{14    public void testAssertThat()15    {16        assertThat(1).isEqualTo(2);17    }18}19package org.example;20import org.junit.jupiter.api.Test;21import static org.assertj.core.api.Assertions.*;22{23    public void testAssertThat()24    {25        assertThat(1).isEqualTo(3);26    }27}28package org.example;29import org.junit.jupiter.api.Test;30import static org.assertj.core.api.Assertions.*;31{32    public void testAssertThat()33    {34        assertThat(1).isEqualTo(4);35    }36}37package org.example;38import org.junit.jupiter.api.Test;39import static org.assertj.core.api.Assertions.*;40{41    public void testAssertThat()42    {43        assertThat(1).isEqualTo(5);44    }45}46package org.example;47import org.junit.jupiter.api.Test;48import static org.assertj.core.api.Assertions.*;49{50    public void testAssertThat()51    {52        assertThat(1).isEqualTo(6);53    }54}55package org.example;56import org.junit.jupiter.api.Test;57import static org.assertj.core.api.Assertions.*;58{59    public void testAssertThat()60    {61        assertThat(1).isEqualTo(7);62    }63}

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3import org.junit.Test;4public class AssertClass {5    public void test() {6        Assertions.assertThat(1).isEqualTo(1);7    }8}9import org.assertj.core.api.Assertions;10import org.junit.Test;11public class AssertClass {12    public void test() {13        Assertions.assertThat(1).isEqualTo(1);14    }15}16import org.assertj.core.api.AbstractAssert;17import org.assertj.core.api.Assertions;18import org.junit.Test;19public class AssertClass {20    public void test() {21        Assertions.assertThat(1).isEqualTo(1);22    }23}24import org.assertj.core.api.AbstractAssert;25import org.assertj.core.api.Assertions;26import org.junit.Test;27public class AssertClass {28    public void test() {29        Assertions.assertThat(1).isEqualTo(1);30    }31}32import org.assertj.core.api.AbstractAssert;33import org.assertj.core.api.Assertions;34import org.junit.Test;35public class AssertClass {36    public void test() {37        Assertions.assertThat(1).isEqualTo(1);38    }39}40import org.assertj.core.api.AbstractAssert;41import org.assertj.core.api.Assertions;42import org.junit.Test;43public class AssertClass {44    public void test() {45        Assertions.assertThat(1).isEqualTo(1);46    }47}48import org.assertj.core.api.AbstractAssert;49import org.assertj.core.api.Assertions;50import org.junit.Test;51public class AssertClass {52    public void test() {53        Assertions.assertThat(1).isEqualTo(1);54    }55}56import org.assertj.core.api.AbstractAssert;57import org.assertj.core.api.Assertions;58import org

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3public class Main {4    public static void main(String[] args) {5        Assertions.assertThat("A").isNotEqualTo("A");6    }7}8import org.junit.jupiter.api.Assertions;9import org.junit.jupiter.api.Test;10public class Main {11    public void test() {12        Assertions.assertThrows(AssertionError.class, () -> {13            Assertions.assertEquals("A", "A");14        });15    }16}17import org.assertj.core.api.Assertions;18import org.junit.jupiter.api.Test;19public class Main {20    public void test() {21        Assertions.assertThatThrownBy(() -> {22            Assertions.assertThat("A").isNotEqualTo("A");23        }).isInstanceOf(AssertionError.class);24    }25}26import org.assertj.core.api.Assertions;27import org.junit.jupiter.api.Test;28public class Main {29    public void test() {30        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {31            Assertions.assertThat("A").isNotEqualTo("A");32        });33    }34}35import org.junit.jupiter.api.Assertions;36import org.junit.jupiter.api.Test;37public class Main {38    public void test() {39        Assertions.assertThrows(AssertionError.class, () -> {40            Assertions.assertThat("A").isNotEqualTo("A");41        });

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3public class AssertionError1 {4    public static void main(String[] args) {5        AbstractAssert<?, ?> assertion = Assertions.assertThat(10);6        assertion.overridingErrorMessage("Error Message").isEqualTo(10);7    }8}9import org.assertj.core.api.AbstractAssert;10import org.assertj.core.api.Assertions;11public class AssertionError2 {12    public static void main(String[] args) {13        AbstractAssert<?, ?> assertion = Assertions.assertThat(10);14        assertion.overridingErrorMessage("Error Message").isEqualTo(20);15    }16}17import org.assertj.core.api.AbstractAssert;18import org.assertj.core.api.Assertions;19public class AssertionError3 {20    public static void main(String[] args) {21        AbstractAssert<?, ?> assertion = Assertions.assertThat(10);22        assertion.overridingErrorMessage("Error Message").isEqualTo(20);23    }24}25import org.assertj.core.api.AbstractAssert;26import org.assertj.core.api.Assertions;27public class AssertionError4 {28    public static void main(String[] args) {29        AbstractAssert<?, ?> assertion = Assertions.assertThat(10);30        assertion.overridingErrorMessage("Error Message").isEqualTo(20);31    }32}33import org.assertj.core.api.AbstractAssert;34import org.assertj.core.api.Assertions;35public class AssertionError5 {36    public static void main(String[] args) {

assertionError

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3public class AssertJAssertionErrorExample {4  public static void main(String[] args) {5    AbstractAssert<?, ?> assertion = Assertions.assertThat(1);6    assertion.assertionError();7  }8}

assertionError

Using AI Code Generation

1package com.automationrhapsody.assertj;2import org.assertj.core.api.AbstractAssert;3public class AssertJTest extends AbstractAssert<AssertJTest, String> {4    public AssertJTest(String actual) {5        super(actual, AssertJTest.class);6    }7    public static AssertJTest assertThat(String actual) {8        return new AssertJTest(actual);9    }10    public AssertJTest isEqualTo(String expected) {11        if (!actual.equals(expected)) {12            throw new AssertionError(String.format("Expected %s, but was %s", expected, actual));13        }14        return this;15    }16}17package com.automationrhapsody.assertj;18import static org.assertj.core.api.Assertions.assertThat;19public class AssertJTest2 {20    public static void main(String[] args) {21        String actual = "Automation Rhapsody";22        String expected = "Automation Rhapsody";23        assertThat(actual).isEqualTo(expected);24    }25}26package com.automationrhapsody.assertj;27import static org.assertj.core.api.Assertions.assertThat;28public class AssertJTest3 {29    public static void main(String[] args) {30        String actual = "Automation Rhapsody";31        String expected = "Automation Rhapsody";32        assertThat(actual).isNotEqualTo(expected);33    }34}35package com.automationrhapsody.assertj;36import static com.automationrhapsody.assertj.AssertJTest.assertThat;37public class AssertJTest4 {38    public static void main(String[] args) {39        String actual = "Automation Rhapsody";40        String expected = "Automation Rhapsody";41        assertThat(actual).isEqualTo(expected);42    }43}

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.