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

How to use withFailMessage method of org.assertj.core.api.AbstractIterableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractIterableAssert.withFailMessage

Source:IterableAssert_extractingResultOf_Test.java

...85  void extractingResultOf_should_keep_assertion_state() {86    // WHEN87    // not all comparators are used but we want to test that they are passed correctly after extracting88    AbstractListAssert<?, ?, ?, ?> assertion = assertThat(jedis).as("test description")89                                                                .withFailMessage("error message")90                                                                .withRepresentation(UNICODE_REPRESENTATION)91                                                                .usingComparatorForElementFieldsWithNames(ALWAY_EQUALS_STRING,92                                                                                                          "foo")93                                                                .usingComparatorForElementFieldsWithType(ALWAY_EQUALS_TIMESTAMP,94                                                                                                         Timestamp.class)95                                                                .usingComparatorForType(CaseInsensitiveStringComparator.instance,96                                                                                        String.class)97                                                                .extractingResultOf("toString")98                                                                .containsOnly("YODA", "darth vader");99    // THEN100    assertThat(assertion.descriptionText()).isEqualTo("test description");101    assertThat(assertion.info.representation()).isEqualTo(UNICODE_REPRESENTATION);102    assertThat(assertion.info.overridingErrorMessage()).isEqualTo("error message");103    assertThat(comparatorsByTypeOf(assertion).get(String.class)).isSameAs(CaseInsensitiveStringComparator.instance);104    assertThat(comparatorForElementFieldsWithTypeOf(assertion).get(Timestamp.class)).isSameAs(ALWAY_EQUALS_TIMESTAMP);105    assertThat(comparatorForElementFieldsWithNamesOf(assertion).get("foo")).isSameAs(ALWAY_EQUALS_STRING);106  }107  @Test108  void strongly_typed_extractingResultOf_should_keep_assertion_state() {109    // WHEN110    // not all comparators are used but we want to test that they are passed correctly after extracting111    AbstractListAssert<?, ?, ?, ?> assertion = assertThat(jedis).as("test description")112                                                                .withFailMessage("error message")113                                                                .withRepresentation(UNICODE_REPRESENTATION)114                                                                .usingComparatorForElementFieldsWithNames(ALWAY_EQUALS_STRING,115                                                                                                          "foo")116                                                                .usingComparatorForElementFieldsWithType(ALWAY_EQUALS_TIMESTAMP,117                                                                                                         Timestamp.class)118                                                                .usingComparatorForType(CaseInsensitiveStringComparator.instance,119                                                                                        String.class)120                                                                .extractingResultOf("toString", String.class)121                                                                .containsOnly("YODA", "darth vader");122    // THEN123    assertThat(assertion.descriptionText()).isEqualTo("test description");124    assertThat(assertion.info.representation()).isEqualTo(UNICODE_REPRESENTATION);125    assertThat(assertion.info.overridingErrorMessage()).isEqualTo("error message");126    assertThat(comparatorsByTypeOf(assertion).get(String.class)).isSameAs(CaseInsensitiveStringComparator.instance);...

Source:AssertJTestForEmptinessCheck.java

...37public class AssertJTestForEmptinessCheck extends AbstractMethodDetection {38  private static final MethodMatchers ASSERTJ_NOT_TESTING_SIZE = MethodMatchers.create()39    .ofSubTypes("org.assertj.core.api.AbstractAssert")40    .name(name ->41      "as".equals(name) || "describedAs".equals(name) || "withFailMessage".equals(name) || "overridingErrorMessage".equals(name)42        || "isNotNull".equals(name) || "asList".equals(name) || name.contains("InstanceOf")|| name.startsWith("using")43        || name.startsWith("extracting") || name.startsWith("filtered") || name.startsWith("doesNotContain") || name.startsWith("all")44    ).withAnyParameters()45    .build();46  private static final MethodMatchers ASSERT_THAT_MATCHER = MethodMatchers.create()47    .ofSubTypes("org.assertj.core.api.Assertions", "org.assertj.core.api.AssertionsForInterfaceTypes", "org.assertj.core.api.AssertionsForClassTypes")48    .names("assertThat", "assertThatObject").addParametersMatcher(MethodMatchers.ANY).build();49  @Override50  protected MethodMatchers getMethodInvocationMatchers() {51    return MethodMatchers.or(52      MethodMatchers.create()53        .ofSubTypes("org.assertj.core.api.AbstractIterableAssert")54        .names("allMatch", "allSatisfy", "doesNotContainSequence", "doesNotContainSubsequence", "doesNotContainAnyElementsOf")55        .withAnyParameters()...

withFailMessage

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.junit.runners.JUnit4;4import java.util.Arrays;5import java.util.List;6import static org.assertj.core.api.Assertions.*;7@RunWith(JUnit4.class)8public class IterableAssertWithFailMessageTest {9    public void testIterableAssertWithFailMessage() {10        List<String> actual = Arrays.asList("one", "two", "three");11        assertThat(actual).withFailMessage("some message").contains("one", "two", "three");12    }13}14Related posts: JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.expectMessage() Method Example JUnit 4 – ExpectedException.expect() Method Example JUnit 4 – ExpectedException.handleAssertionErrors() Method Example JUnit 4 – ExpectedException.expectCause() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.none() Method Example JUnit 4 – ExpectedException.expectMessage() Method

withFailMessage

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.IterableAssert;4import org.assertj.core.api.ListAssert;5import org.assertj.core.api.ObjectAssert;6import org.assertj.core.api.ObjectArrayAssert;7import org.assertj.core.api.ObjectEnumerableAssert;8import org.assertj.core.api.ObjectListAssert;9import org.assertj.core.api.ObjectMapAssert;10import org.assertj.core.api.ObjectReferenceAssert;11import org.assertj.core.api.ObjectSetAssert;12import org.assertj.core.api.ObjectSoftAssertions;13import org.assertj.core.api.ObjectStreamAssert;14import org.assertj.core.api.ObjectArrayAssert;15import org.assertj.core.api.ObjectEnumerableAssert;16import org.assertj.core.api.ObjectListAssert;17import org.assertj.core.api.ObjectMapAssert;18import org.assertj.core.api.ObjectReferenceAssert;19import org.assertj.core.api.ObjectSetAssert;20import org.assertj.core.api.ObjectSoftAssertions;21import org.assertj.core.api.ObjectStreamAssert;22import org.assertj.core.api.ThrowableAssert;23import org.assertj.core.api.ThrowableAssert.ThrowingCallable;24import org.assertj.core.api.ThrowableAssertAlternative;25import org.assertj.core.api.ThrowableAssertAlternative.ThrowingCallable;26import org.assertj.core.api.ThrowableAssertBase;27import org.assertj.core.api.ThrowableAssertBase.ThrowingCallable;28import org.assertj.core.api.ThrowableAssertNoCause;29import org.assertj.core.api.ThrowableAssertNoCause.ThrowingCallable;30import org.assertj.core.api.ThrowableAssertNoCauseNoMessage;31import org.assertj.core.api.ThrowableAssertNoCauseNoMessage.ThrowingCallable;32import org.assertj.core.api.ThrowableAssertNoCauseNoMessageNoStacktrace;33import org.assertj.core.api.ThrowableAssertNoCauseNoMessageNoStacktrace.ThrowingCallable;34import org.assertj.core.api.ThrowableAssertNoMessage;35import org.assertj.core.api.ThrowableAssertNoMessage.ThrowingCallable;36import org.assertj.core.api.ThrowableAssertNoMessageNoStacktrace;37import org.assertj.core.api.ThrowableAssertNoMessageNoStacktrace.ThrowingCallable;38import org.assertj.core.api.ThrowableAssertNoStacktrace;39import org.assertj.core.api.ThrowableAssertNoStacktrace.ThrowingCallable;40import org.assertj.core.api.ThrowableAssertWithCause;41import org.assertj.core.api.ThrowableAssertWithCause.ThrowingCallable;42import org.assertj.core.api.ThrowableAssertWithCauseNoMessage;43import org.assertj.core.api.ThrowableAssertWithCauseNoMessage.ThrowingCallable;44import org.assertj.core.api.ThrowableAssertWithCauseNoMessageNoStacktrace;45import org.assertj.core

withFailMessage

Using AI Code Generation

1package org.example;2import java.util.Arrays;3import java.util.List;4import org.assertj.core.api.Assertions;5{6    public static void main( String[] args )7    {8        List<Integer> list = Arrays.asList(5, 2, 4);9        Assertions.assertThat(list)10        .withFailMessage("The list does not contain 1")11        .contains(1);12    }13}14package org.example;15import java.util.Arrays;16import java.util.List;17import org.assertj.core.api.Assertions;18{19    public static void main( String[] args )20    {21        List<Integer> list = Arrays.asList(5, 2, 4);22        Assertions.assertThat(list)23        .withFailMessage("The list does not contain 1")24        .contains(1);25    }26}27package org.example;28import org.assertj.core.api.Assertions;29{30    public static void main( String[] args )31    {32        Integer[] array = {5, 2, 4};33        Assertions.assertThat(array)34        .withFailMessage("The array does not contain 1")35        .contains(1);36    }37}38package org.example;39import org.assertj.core.api.Assertions;40{41    public static void main( String[] args )42    {43        String str = "Hello";44        Assertions.assertThat(str)45        .withFailMessage("The string does not contain 'World'")46        .contains("World");47    }48}

withFailMessage

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3import java.util.Arrays;4import java.util.List;5public class AssertJTest {6    public void test() {7        List<String> list = Arrays.asList("a", "b", "c");8        assertThat(list).withFailMessage("List %s is not empty", list).isEmpty();9    }10}11import org.junit.Test;12import static org.assertj.core.api.Assertions.assertThat;13import java.util.Arrays;14import java.util.List;15public class AssertJTest {16    public void test() {17        List<String> list = Arrays.asList("a", "b", "c");18        assertThat(list.isEmpty()).withFailMessage("List %s is not empty", list).isTrue();19    }20}21import org.junit.Test;22import static org.assertj.core.api.Assertions.assertThat;23import java.util.Arrays;24import java.util.List;25public class AssertJTest {26    public void test() {27        List<String> list = Arrays.asList("a", "b", "c");28        assertThat(list.isEmpty()).withFailMessage("List %s is not empty", list).isFalse();29    }30}31import org.junit.Test;32import static org.assertj.core.api.Assertions.assertThat;33import java.util.Arrays;34import java.util.List;35public class AssertJTest {36    public void test() {37        List<String> list = Arrays.asList("a", "b", "c");38        assertThat(list.isEmpty()).withFailMessage("List %s is not empty", list).isIn(true, false);39    }40}41import

withFailMessage

Using AI Code Generation

1import org.assertj.core.api.AbstractIterableAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.IterableAssert;4import org.assertj.core.api.ListAssert;5import java.util.ArrayList;6import java.util.List;7public class IterableAssertWithFailMessage {8    public static void main(String[] args) {9        List<Integer> list = new ArrayList<>();10        list.add(1);11        list.add(2);12        list.add(3);13        list.add(4);14        IterableAssert<Integer> iterableAssert = Assertions.assertThat(list);15        AbstractIterableAssert<?, Iterable<? extends Integer>, Integer, ObjectAssert<Integer>> abstractIterableAssert = iterableAssert.withFailMessage("Expected list to be empty but list contains %s", list);16        abstractIterableAssert.isEmpty();17    }18}

withFailMessage

Using AI Code Generation

1import java.util.*;2import org.assertj.core.api.*;3import org.assertj.core.util.*;4public class 1 {5    public static void main(String[] args) {6        List<String> list = new ArrayList<>();7        list.add("one");8        list.add("two");9        list.add("three");10        IterableAssert<String> iterableAssert = new IterableAssert<String>(list);11        iterableAssert.contains("four").withFailMessage("The list should contain %s", "four");12    }13}

withFailMessage

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.AbstractIterableAssert;3import org.assertj.core.api.ListAssert;4import java.util.ArrayList;5import java.util.List;6public class IterableAssertWithFailMessage {7    public static void main(String[] args) {8        List<String> list = new ArrayList<String>();9        list.add("a");10        list.add("b");11        list.add("c");12        ListAssert<String> listAssert = new ListAssert<String>(list);13        listAssert.withFailMessage("List should contain 'd'").contains("d");14    }15}

withFailMessage

Using AI Code Generation

1import java.util.Arrays;2import java.util.List;3import org.assertj.core.api.Assertions;4public class AssertJTest {5	public static void main(String args[]) {6		List<String> list = Arrays.asList("a","b","c");7		Assertions.assertThat(list).withFailMessage("Failed").contains("d");8	}9}10	at org.assertj.core.api.AbstractIterableAssert.withFailMessage(AbstractIterableAssert.java:149)11	at AssertJTest.main(AssertJTest.java:13)

withFailMessage

Using AI Code Generation

1import org.assertj.core.api.*;2import org.assertj.core.util.*;3import org.junit.Test;4import java.util.*;5import static org.assertj.core.api.Assertions.*;6public class AssertJTest {7public void test() {8List<String> list = new ArrayList<>();9list.add("one");10list.add("two");11assertThat(list).as("Check list").contains("three").withFailMessage("List should contain %s but it does not", "three");12}13}14import org.junit.jupiter.api.Assertions;15import org.junit.jupiter.api.Test;16public class JUnit5Test {17public void test() {18String str = "one";19Assertions.fail("Test failed");20}21}22import org.junit.jupiter.api.Assertions;23import org.junit.jupiter.api.Test;24public class JUnit5Test {25public void test() {26String str = "one";27Assertions.assertAll(() -> Assertions.assertEquals("one", str), () -> Assertions.assertEquals("two", str));28}29}

withFailMessage

Using AI Code Generation

1import java.util.ArrayList;2import java.util.List;3import org.assertj.core.api.Assertions;4import org.testng.annotations.Test;5public class TestAssertions {6public void testAssertions() {7List<String> list = new ArrayList<String>();8list.add("one");9list.add("two");10list.add("three");11Assertions.assertThat(list).withFailMessage("List does not contain two").contains("two");12}13}

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.