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

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

Source:AbstractAssertJPromiseAssert.java

...42     */43    public final S succeeded() {44        isNotNull();45        if (!actual.isDone()) {46            failWithMessage("Promise is not completed");47        }48        T result = null;49        try {50            result = actual.get();51        } catch (InterruptedException e) {52            failWithMessage("Promise was interrupted");53        } catch (ExecutionException e) {54            failWithMessage("Promise failed: <%s>", e.getCause());55        }56        return createSucceededAssert(result);57    }58    /**59     * Asserts that the promise failed.60     * @return A {@link org.assertj.core.api.ThrowableAssert} for making61     * assertions on the promise's failure cause.62     */63    public final AbstractThrowableAssert<?, ? extends Throwable> failedWithException() {64        isNotNull();65        try {66            Object value = actual.get();67            failWithMessage("Promise succeeded with value <%s>", value);68        } catch (InterruptedException e) {69            failWithMessage("Promise was interrupted");70        } catch (ExecutionException e) {71            return Assertions.assertThat(e.getCause());72        }73        throw new IllegalStateException("Shouldn't have reached here");74    }75}...

Source:AbstractJsonValueAssert.java

...16	}17	@Override18	public void isNull() {19		if (actual.getValueType() != ValueType.NULL) {20			failWithMessage("Expected json value not to be NULL, but was <%s>", actual.getValueType());21		}22	}23	@Override24	public SELF isNotNull() {25		if (actual.getValueType() == ValueType.NULL) {26			failWithMessage("Expected json value not to be NULL, but was");27		}28		return myself;29	}30	public SELF hasType(ValueType type) {31		if (actual.getValueType() != type) {32			failWithMessage("Expected json value to have type <%s> but was <%s>", type, actual.getValueType());33		}34		return myself;35	}36	@Override37	public StringAssert asString() {38		isNotNull();39		if (actual.getValueType() != ValueType.STRING) {40			failWithMessage("Expected json value to have type STRING but was <%s>", actual.getValueType());41		}42		var value = (JsonString) actual;43		return new StringAssert(value.getString());44	}45	public IntegerAssert asInteger() {46		isNotNull();47		if (actual.getValueType() != ValueType.NUMBER) {48			failWithMessage("Expected json value to have type NUMBER but was <%s>", actual.getValueType());49		}50		var value = (JsonNumber) actual;51		return new IntegerAssert(value.intValue());52	}53	public DoubleAssert asDouble() {54		isNotNull();55		if (actual.getValueType() != ValueType.NUMBER) {56			failWithMessage("Expected json value to have type NUMBER but was <%s>", actual.getValueType());57		}58		var value = (JsonNumber) actual;59		return new DoubleAssert(value.doubleValue());60	}61	public BooleanAssert asBoolean() {62		isNotNull();63		if (!(actual.getValueType() == ValueType.TRUE || actual.getValueType() == ValueType.FALSE)) {64			failWithMessage("Expected json value to have type TRUE or FALSE but was <%s>", actual.getValueType());65		}66		return new BooleanAssert(actual.getValueType() == ValueType.TRUE);67	}68	public JsonObjectAssert asJsonObject() {69		isNotNull();70		if (actual.getValueType() != ValueType.OBJECT) {71			failWithMessage("Expected json value to have type OBJECT but was <%s>", actual.getValueType());72		}73		var value = (JsonObject) actual;74		return new JsonObjectAssert(value);75	}76	public JsonArrayAssert asJsonArray() {77		isNotNull();78		if (actual.getValueType() != ValueType.ARRAY) {79			failWithMessage("Expected json value to have type ARRAY but was <%s>", actual.getValueType());80		}81		var value = (JsonArray) actual;82		return new JsonArrayAssert(value);83	}84}...

Source:FutureAssertion.java

...16    }17    public FutureAssertion<VALUE> isSucceeded() {18        isNotNull();19        if (!actual.succeeded()) {20            failWithMessage("Expected future to be succeeded");21        }22        return myself;23    }24    public ThrowableAssert<? extends Throwable> isFailed() {25        isNotNull();26        if (!actual.failed()) {27            failWithMessage("Expected future to be failed");28        }29        return new ThrowableAssert<>(actual.cause());30    }31    public FutureAssertion<VALUE> succeededWith(VALUE expectedValue) {32        isSucceeded();33        checkIsNotNull(expectedValue);34        final VALUE actualValue = actual.result();35        if (!futureValueComparisonStrategy.areEqual(actualValue, expectedValue)) {36            failWithMessage("Expected future to contain <%s> but was <%s>", expectedValue, actualValue);37        }38        return myself;39    }40    private <T> void checkIsNotNull(T expectedValue) {41        Preconditions.checkArgument(expectedValue != null, "The expected value should not be <null>.");42    }43}...

failWithMessage

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class AssertJAssert extends AbstractAssert<AssertJAssert, Integer> {3    public AssertJAssert(Integer actual) {4        super(actual, AssertJAssert.class);5    }6    public static AssertJAssert assertThat(Integer actual) {7        return new AssertJAssert(actual);8    }9    public AssertJAssert isEven() {10        isNotNull();11        if (actual % 2 != 0) {12            failWithMessage("Expected <%s> to be even", actual);13        }14        return this;15    }16    public AssertJAssert isOdd() {17        isNotNull();18        if (actual % 2 == 0) {19            failWithMessage("Expected <%s> to be odd", actual);20        }21        return this;22    }23}24import static org.assertj.core.api.Assertions.assertThat;25public class AssertJTest {26    public static void main(String[] args) {27        assertThat(1).isEven();28        assertThat(2).isOdd();29    }30}

failWithMessage

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2import org.assertj.core.api.Assertions;3public class Assertion extends AbstractAssert<Assertion, String> {4    public Assertion(String actual) {5        super(actual, Assertion.class);6    }7    public static Assertion assertThat(String actual) {8        return new Assertion(actual);9    }10    public Assertion hasLength(int expected) {11        isNotNull();12        if (actual.length() != expected) {13            failWithMessage("Expected string to have length <%d> but was <%d>", expected, actual.length());14        }15        return this;16    }17    public Assertion hasLengthGreaterThan(int expected) {18        isNotNull();19        if (actual.length() <= expected) {20            failWithMessage("Expected string to have length greater than <%d> but was <%d>", expected, actual.length());21        }22        return this;23    }24    public Assertion hasLengthLessThan(int expected) {25        isNotNull();26        if (actual.length() >= expected) {27            failWithMessage("Expected string to have length less than <%d> but was <%d>", expected, actual.length());28        }29        return this;30    }31}32import org.assertj.core.api.Assertions;33public class AssertionTest {34    public static void main(String[] args) {35        Assertions.assertThat("abc").hasLength(3);36        Assertions.assertThat("abc").hasLengthGreaterThan(2);37        Assertions.assertThat("abc").hasLengthLessThan(4);38    }39}40Recommended Posts: AssertJ - failWithMessage() method41AssertJ - failWithMessage() method with String format42AssertJ - failWithMessage() method with String format and arguments43AssertJ - failWithMessage() method with Throwable44AssertJ - failWithMessage() method with Throwable and String format45AssertJ - failWithMessage() method with Throwable, String format

failWithMessage

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4import org.junit.Test;5public class FailWithMessageExample {6    public void testFailWithMessage() {7        List list = new ArrayList();8        assertThat(list).as("List should not be null").isNotNull();9    }10}11org.junit.ComparisonFailure: List should not be null expected: not null but was: null 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:65) at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:33) at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:86) at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:33) at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:76) at com.journaldev.FailWithMessageExample.testFailWithMessage(FailWithMessageExample.java:13) 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.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363

failWithMessage

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.*;3import static org.assertj.core.api.Assertions.failWithMessage;4public class 1 {5    public void test() {6        String s = "abc";7        assertThat(s).isEqualTo("xyz");8        failWithMessage("Error message");9    }10}11	at org.junit.Assert.assertEquals(Assert.java:115)12	at org.junit.Assert.assertEquals(Assert.java:144)13	at 1.test(1.java:9)14	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)15	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)16	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)17	at java.lang.reflect.Method.invoke(Method.java:498)18	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)19	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)20	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)21	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)22	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)23	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)24	at java.util.concurrent.FutureTask.run(FutureTask.java:266)25	at java.lang.Thread.run(Thread.java:748)

failWithMessage

Using AI Code Generation

1package org.example;2import org.assertj.core.api.AbstractAssert;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5public class ExampleTest {6    public void test() {7        assertThat("abc").isEqualTo("abc");8        assertThat("abc").isEqualTo("def");9    }10}11package org.assertj.core.api;12import org.assertj.core.internal.Failures;13public abstract class AbstractAssert<S extends AbstractAssert<S, A>, A> {14    protected Failures failures = Failures.instance();15    public S failWithMessage(String message, Object... args) {16        throw failures.failure(info, message, args);17    }18}19package org.assertj.core.internal;20import org.assertj.core.error.ErrorMessageFactory;21import org.assertj.core.util.VisibleForTesting;22public class Failures {23    static Failures INSTANCE = new Failures();24    public static Failures instance() {25        return INSTANCE;26    }27    public AssertionError failure(Description description, ErrorMessageFactory errorMessageFactory, Object... args) {28        return new AssertionError(description.appendText(errorMessageFactory.create(args)).toString());29    }30}31package org.assertj.core.description;32import org.assertj.core.util.VisibleForTesting;33public class Description {34    StringBuilder description = new StringBuilder();35    public Description appendText(String text) {36        description.append(text);37        return this;38    }39    public String toString() {40        return description.toString();41    }42}

failWithMessage

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.Assertions.*;3public class AssertJTest {4    public void testAssertJ() {5        String str = "Hello";6        assertThat(str).overridingErrorMessage("This is a message").contains("Hi");7    }8}

failWithMessage

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertJTest {4   public void testAssertJ() {5      int a = 10;6      assertThat(a).as("a is 10").isEqualTo(10);7      assertThat(a).as("a is 10").isEqualTo(20);8   }9}10at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:39)11at org.junit.jupiter.api.AssertionUtils.failNotEqual(AssertionUtils.java:32)12at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:178)13at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:144)14at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:101)15at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:85)16at AssertJTest.testAssertJ(AssertJTest.java:10)17at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:39)18at org.junit.jupiter.api.AssertionUtils.failNotEqual(AssertionUtils.java:32)19at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:178)20at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:144)21at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:101)22at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:85)23at AssertJTest.testAssertJ(AssertJTest.java:11)

failWithMessage

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4    public void test1() {5        Assertions.assertThat("Hello").startsWith("H").endsWith("o");6    }7}8import org.assertj.core.api.Assertions;9import org.junit.Test;10public class Test2 {11    public void test2() {12        Assertions.assertThat("Hello").startsWith("H").endsWith("o");13    }14}15	at org.assertj.core.api.AbstractStringAssert.startsWith(AbstractStringAssert.java:219)16	at org.assertj.core.api.AbstractStringAssert.startsWith(AbstractStringAssert.java:42)17	at Test1.test1(Test1.java:6)18	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)19	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)20	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)21	at java.lang.reflect.Method.invoke(Method.java:498)22	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)23	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)24	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)25	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)26	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)27	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)28	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)29	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)30	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)31	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)32	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)33	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)34	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)35	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)36	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)

failWithMessage

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2public class AssertjExample {3    public static void main(String[] args) {4        String s1 = "abc";5        String s2 = "xyz";6        assertThat(s1).as("s1 is not equal to s2").isEqualTo(s2);7    }8}

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