How to use internalSingleElement method of org.assertj.core.api.AbstractObjectArrayAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractObjectArrayAssert.internalSingleElement

Source:AbstractObjectArrayAssert.java Github

copy

Full Screen

...3818 * @see #singleElement(InstanceOfAssertFactory)3819 */3820 @CheckReturnValue3821 public ObjectAssert<ELEMENT> singleElement() {3822 return internalSingleElement();3823 }3824 /**3825 * Verifies that the array under test contains a single element and allows to perform assertions on that element, 3826 * the assertions are strongly typed according to the given {@link AssertFactory} parameter.3827 * <p>3828 * Example: use of {@code String} assertions after {@code singleElement(as(STRING))}3829 * <pre><code class='java'> import static org.assertj.core.api.InstanceOfAssertFactories.STRING;3830 * import static org.assertj.core.api.InstanceOfAssertFactories.INTEGER;3831 * import static org.assertj.core.api.Assertions.as; // syntactic sugar3832 *3833 * String[] babySimpsons = { "Maggie" };3834 *3835 * // assertion succeeds3836 * assertThat(babySimpsons).singleElement(as(STRING))3837 * .startsWith("Mag");3838 *3839 * // assertion fails3840 * assertThat(babySimpsons).singleElement(as(STRING))3841 * .startsWith("Lis");3842 *3843 * // assertion fails because of wrong factory type3844 * assertThat(babySimpsons).singleElement(as(INTEGER))3845 * .isZero();3846 *3847 * // assertion fails because list contains no elements3848 * assertThat(emptyList()).singleElement(as(STRING));3849 *3850 * // assertion fails because list contains more than one element3851 * String[] simpsons = { "Homer", "Marge", "Lisa", "Bart", "Maggie" };3852 * assertThat(simpsons).singleElement(as(STRING));</code></pre>3853 *3854 * @param <ASSERT> the type of the resulting {@code Assert}3855 * @param assertFactory the factory which verifies the type and creates the new {@code Assert}3856 * @return a new narrowed {@link Assert} instance for assertions chaining on the single element3857 * @throws AssertionError if the actual array does not contain exactly one element.3858 * @throws NullPointerException if the given factory is {@code null}.3859 * @since 3.22.03860 */3861 @CheckReturnValue3862 public <ASSERT extends AbstractAssert<?, ?>> ASSERT singleElement(InstanceOfAssertFactory<?, ASSERT> assertFactory) {3863 return internalSingleElement().asInstanceOf(assertFactory);3864 }3865 private ObjectAssert<ELEMENT> internalSingleElement() {3866 arrays.assertHasSize(info, actual, 1);3867 return toAssert(actual[0], navigationDescription("check single element"));3868 }3869 protected String navigationDescription(String propertyName) {3870 String text = descriptionText();3871 if (Strings.isNullOrEmpty(text)) {3872 text = removeAssert(this.getClass().getSimpleName());3873 }3874 return text + " " + propertyName;3875 }3876 private static String removeAssert(String text) {3877 return text.endsWith(ASSERT) ? text.substring(0, text.length() - ASSERT.length()) : text;3878 }3879 private ObjectAssert<ELEMENT> toAssert(ELEMENT value, String description) {...

Full Screen

Full Screen

Source:AbstractIterableAssert.java Github

copy

Full Screen

...2784 * @see #singleElement(InstanceOfAssertFactory)2785 */2786 @CheckReturnValue2787 public ELEMENT_ASSERT singleElement() {2788 return internalSingleElement();2789 }2790 /**2791 * Verifies that the {@link Iterable} under test contains a single element and allows to perform assertions on that element.<br>2792 * The assertions are strongly typed according to the given {@link AssertFactory} parameter.2793 * <p>2794 * This is a shorthand for <code>hasSize(1).first(assertFactory)</code>.2795 * <p>2796 * Example: use of {@code String} assertions after {@code singleElement(as(STRING)}2797 * <pre><code class='java'> import static org.assertj.core.api.InstanceOfAssertFactories.STRING;2798 * import static org.assertj.core.api.InstanceOfAssertFactories.INTEGER;2799 * import static org.assertj.core.api.Assertions.as; // syntactic sugar2800 *2801 * List&lt;String&gt; babySimpsons = list("Maggie");2802 *2803 * // assertion succeeds2804 * assertThat(babySimpsons).singleElement(as(STRING))2805 * .startsWith("Mag");2806 *2807 * // assertion fails2808 * assertThat(babySimpsons).singleElement(as(STRING))2809 * .startsWith("Lis");2810 *2811 * // assertion fails because of wrong factory type2812 * assertThat(babySimpsons).singleElement(as(INTEGER))2813 * .isZero();2814 *2815 * // assertion fails because list contains no elements2816 * assertThat(emptyList()).singleElement(as(STRING));2817 *2818 * // assertion fails because list contains more than one element2819 * List&lt;String&gt; simpsons = list("Homer", "Marge", "Lisa", "Bart", "Maggie");2820 * assertThat(simpsons).singleElement(as(STRING));</code></pre>2821 *2822 * @param <ASSERT> the type of the resulting {@code Assert}2823 * @param assertFactory the factory which verifies the type and creates the new {@code Assert}2824 * @return a new narrowed {@link Assert} instance for assertions chaining on the single element2825 * @throws AssertionError if the actual {@link Iterable} does not contain exactly one element.2826 * @throws NullPointerException if the given factory is {@code null}.2827 * @since 3.17.02828 */2829 @CheckReturnValue2830 public <ASSERT extends AbstractAssert<?, ?>> ASSERT singleElement(InstanceOfAssertFactory<?, ASSERT> assertFactory) {2831 return internalSingleElement().asInstanceOf(assertFactory);2832 }2833 private ELEMENT_ASSERT internalSingleElement() {2834 iterables.assertHasSize(info, actual, 1);2835 return internalFirst();2836 }2837 protected abstract ELEMENT_ASSERT toAssert(ELEMENT value, String description);2838 protected String navigationDescription(String propertyName) {2839 String text = descriptionText();2840 if (Strings.isNullOrEmpty(text)) {2841 text = removeAssert(this.getClass().getSimpleName());2842 }2843 return text + " " + propertyName;2844 }2845 private static String removeAssert(String text) {2846 return text.endsWith(ASSERT) ? text.substring(0, text.length() - ASSERT.length()) : text;2847 }...

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1package org.assertj.core.api.objectarray;2import org.assertj.core.api.AbstractObjectArrayAssert;3import org.assertj.core.api.ObjectArrayAssert;4import org.assertj.core.api.ObjectArrayAssertBaseTest;5import org.assertj.core.api.ObjectAssert;6import org.assertj.core.api.ObjectAssertBaseTest;7import org.assertj.core.api.ObjectAssertBaseTest.Person;8import org.assertj.core.api.ObjectAssertBaseTest.PersonAssert;9import org.assertj.core.util.introspection.IntrospectionError;10import org.junit.jupiter.api.Test;11import static org.assertj.core.api.Assertions.assertThat;12import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;13import static org.assertj.core.api.Assertions.assertThatNullPointerException;14import static org.assertj.core.error.ShouldHaveSingleElement.shouldHaveSingleElement;15import static org.assertj.core.util.AssertionsUtil.expectAssertionError;16import static org.assertj.core.util.FailureMessages.actualIsNull;17import static org.assertj.core.util.Lists.newArrayList;18import static org.mockito.Mockito.verify;19public class ObjectArrayAssert_usingElementComparator_Test extends ObjectArrayAssertBaseTest {20 private final Comparator<Object> comparator = (o1, o2) -> 0;21 protected ObjectArrayAssert<Object> invoke_api_method() {22 return assertions.usingElementComparator(comparator);23 }24 protected void verify_internal_effects() {25 assertThat(getObjects(assertions)).isSameAs(getObjects(assertions));26 assertThat(getComparator(assertions)).isSameAs(comparator);27 }28 public void should_throw_error_if_comparator_is_null() {29 assertThatNullPointerException().isThrownBy(() -> assertions.usingElementComparator(null)).withMessage("The comparator to use should not be null");30 }31 public void should_use_comparator_for_element_comparisons() {32 ObjectAssert<Object> objectAssert = new ObjectAssert<>(new Object());33 assertThat(objectAssert).usingElementComparator(comparator).isSameAs(objectAssert);34 assertThat(objectAssert).usingElementComparator(comparator).isSameAs(objectAssert);35 }36 public void should_use_comparator_for_element_comparisons_with_descriptions() {37 ObjectAssert<Object> objectAssert = new ObjectAssert<>(new Object());38 assertThat(objectAssert).as("description").usingElementComparator(comparator).isSameAs(objectAssert);39 assertThat(objectAssert).as("description").usingElementComparator(comparator).isSameAs(objectAssert);40 }

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1package org.assertj.core.api.objectarray;2import org.assertj.core.api.AbstractObjectArrayAssert;3import org.assertj.core.api.ObjectArrayAssert;4import org.assertj.core.api.ObjectArrayAssertBaseTest;5import org.assertj.core.api.ObjectAssert;6import org.assertj.core.test.Person;7import org.junit.jupiter.api.Test;8import static org.assertj.core.api.Assertions.assertThat;9public class ObjectArrayAssert_internalSingleElement_Test extends ObjectArrayAssertBaseTest {10 protected ObjectArrayAssert<Object> invoke_api_method() {11 return assertions.internalSingleElement();12 }13 protected void verify_internal_effects() {14 assertThat(getObjects(assertions)).containsExactly(getActual(assertions)[0]);15 }16 void should_return_ObjectAssert() {17 ObjectAssert<Object> objectAssert = assertions.internalSingleElement();18 assertThat(objectAssert).isNotNull();19 assertThat(objectAssert.value).isEqualTo(getActual(assertions)[0]);20 }21}22package org.assertj.core.api.objectarray;23import org.assertj.core.api.AbstractObjectArrayAssert;24import org.assertj.core.api.ObjectArrayAssert;25import org.assertj.core.api.ObjectArrayAssertBaseTest;26import org.assertj.core.api.ObjectAssert;27import org.assertj.core.test.Person;28import org.junit.jupiter.api.Test;29import static org.assertj.core.api.Assertions.assertThat;30public class ObjectArrayAssert_internalSingleElement_Test extends ObjectArrayAssertBaseTest {31 protected ObjectArrayAssert<Object> invoke_api_method() {32 return assertions.internalSingleElement();33 }34 protected void verify_internal_effects() {35 assertThat(getObjects(assertions)).containsExactly(getActual(assertions)[0]);36 }37 void should_return_ObjectAssert() {38 ObjectAssert<Object> objectAssert = assertions.internalSingleElement();39 assertThat(objectAssert).isNotNull();40 assertThat(objectAssert.value).isEqualTo(getActual(assertions)[0]);41 }42}43package org.assertj.core.api.objectarray;44import org.assertj.core.api.AbstractObjectArrayAssert;45import org.assertj.core.api.ObjectArrayAssert;46import org.assertj.core.api.ObjectArrayAssertBaseTest;47import org.assertj.core.api.ObjectAssert;48import org.assertj.core.test.Person;49import org.junit.jupiter.api.Test;50import static org.assertj.core.api.Assertions.assertThat;51public class ObjectArrayAssert_internalSingleElement_Test extends ObjectArrayAssertBaseTest {52 protected ObjectArrayAssert<Object> invoke_api_method() {

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1package org.kodejava.example.assertj;2import org.assertj.core.api.Assertions;3public class InternalSingleElementDemo {4 public static void main(String[] args) {5 String[] colors = {"red", "green", "blue"};6 Assertions.assertThat(colors)7 .as("Checking colors")8 .internalSingleElement()9 .isEqualTo("red");10 }11}12at org.assertj.core.error.ShouldContainExactlyOneElement.shouldContainExactlyOneElement(ShouldContainExactlyOneElement.java:33)13at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:148)14at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:136)15at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:131)16at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:119)17at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:114)18at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:109)19at org.assertj.core.internal.ObjectArrays.assertHasSizeBetween(ObjectArrays.java:104)20at org.assertj.core.api.AbstractObjectArrayAssert.internalSingleElement(AbstractObjectArrayAssert.java:144)21at org.kodejava.example.assertj.InternalSingleElementDemo.main(InternalSingleElementDemo.java:12)

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1import org.assertj.core.api.AbstractObjectArrayAssert;2import org.assertj.core.api.ObjectArrayAssert;3import org.assertj.core.api.ObjectAssert;4import org.assertj.core.api.ObjectArrayAssertBaseTest;5import org.assertj.core.internal.ObjectArrays;6import org.assertj.core.test.Jedi;7import org.junit.jupiter.api.Test;8import static org.mockito.Mockito.verify;9public class AssertJCore_1 {10public void test1() {11ObjectArrayAssert<Jedi> assertions = new ObjectArrayAssertBaseTest().getAssert();12assertions = assertions.internalSingleElement();13verify(ObjectArrays.instance()).assertHasSize(assertions.info, assertions.actual, 1);14}15}16import org.assertj.core.api.AbstractObjectArrayAssert;17import org.assertj.core.api.ObjectArrayAssert;18import org.assertj.core.api.ObjectAssert;19import org.assertj.core.api.ObjectArrayAssertBaseTest;20import org.assertj.core.internal.ObjectArrays;21import org.assertj.core.test.Jedi;22import org.junit.jupiter.api.Test;23import static org.mockito.Mockito.verify;24public class AssertJCore_2 {25public void test2() {26ObjectArrayAssert<Jedi> assertions = new ObjectArrayAssertBaseTest().getAssert();27assertions = assertions.internalSingleElement();28verify(ObjectArrays.instance()).assertHasSize(assertions.info, assertions.actual, 1);29}30}31import org.assertj.core.api.AbstractObjectArrayAssert;32import org.assertj.core.api.ObjectArrayAssert;33import org.assertj.core.api.ObjectAssert;34import org.assertj.core.api.ObjectArrayAssertBaseTest;35import org.assertj.core.internal.ObjectArrays;36import org.assertj.core.test.Jedi;37import org.junit.jupiter.api.Test;38import static org.mockito.Mockito.verify;39public class AssertJCore_3 {40public void test3() {41ObjectArrayAssert<Jedi> assertions = new ObjectArrayAssertBaseTest().getAssert();42assertions = assertions.internalSingleElement();43verify(ObjectArrays.instance()).assertHasSize(assertions.info, assertions.actual, 1);44}45}

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.AbstractObjectArrayAssert;3import org.assertj.core.internal.ObjectArrays;4import org.assertj.core.util.VisibleForTesting;5public class 1 {6 public static void main(String[] args) {7 ObjectArrays objectArrays0 = new ObjectArrays();8 AbstractObjectArrayAssert abstractObjectArrayAssert0 = new AbstractObjectArrayAssert(objectArrays0);9 Object[] objectArray0 = new Object[2];10 Object object0 = new Object();11 objectArray0[0] = object0;12 Object object1 = new Object();13 objectArray0[1] = object1;14 abstractObjectArrayAssert0.internalSingleElement(objectArray0);15 }16}17import org.assertj.core.api.Assertions;18import org.assertj.core.api.AbstractObjectArrayAssert;19import org.assertj.core.internal.ObjectArrays;20import org.assertj.core.util.VisibleForTesting;21public class 2 {22 public static void main(String[] args) {23 ObjectArrays objectArrays0 = new ObjectArrays();24 AbstractObjectArrayAssert abstractObjectArrayAssert0 = new AbstractObjectArrayAssert(objectArrays0);25 Object[] objectArray0 = new Object[2];26 Object object0 = new Object();27 objectArray0[0] = object0;28 Object object1 = new Object();29 objectArray0[1] = object1;30 abstractObjectArrayAssert0.internalSingleElement(objectArray0);31 }32}

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1import org.assertj.core.api.AbstractObjectArrayAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.util.Arrays;4import org.junit.Test;5public class AssertJTest {6 public void testInternalSingleElement() {7 AbstractObjectArrayAssert<?, Object> abstractObjectArrayAssert = Assertions.assertThat(Arrays.array("1", "2", "3"));8 abstractObjectArrayAssert.internalSingleElement();9 }10}11import org.assertj.core.api.AbstractObjectArrayAssert;12import org.assertj.core.api.Assertions;13import org.assertj.core.util.Arrays;14import org.junit.Test;15public class AssertJTest {16 public void testInternalSingleElement() {17 AbstractObjectArrayAssert<?, Object> abstractObjectArrayAssert = Assertions.assertThat(Arrays.array("1", "2", "3"));18 abstractObjectArrayAssert.internalSingleElement();19 }20}21import org.assertj.core.api.AbstractObjectArrayAssert;22import org.assertj.core.api.Assertions;23import org.assertj.core.util.Arrays;24import org.junit.Test;25public class AssertJTest {26 public void testInternalSingleElement() {27 AbstractObjectArrayAssert<?, Object> abstractObjectArrayAssert = Assertions.assertThat(Arrays.array("1", "2", "3"));28 abstractObjectArrayAssert.internalSingleElement();29 }30}31import org.assertj.core.api.AbstractObjectArrayAssert;32import org.assertj.core.api.Assertions;33import org.assertj.core.util.Arrays;34import org.junit.Test;35public class AssertJTest {36 public void testInternalSingleElement() {37 AbstractObjectArrayAssert<?, Object> abstractObjectArrayAssert = Assertions.assertThat(Arrays.array("1", "2", "3"));38 abstractObjectArrayAssert.internalSingleElement();39 }40}41import org.assertj.core.api.AbstractObjectArrayAssert;42import org.assertj.core.api.Assertions;43import org.assertj.core.util.Arrays;44import org.junit.Test;45public class AssertJTest {46 public void testInternalSingleElement() {

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1package org.assertj.core.api;2import java.util.ArrayList;3import java.util.List;4public class AbstractObjectArrayAssertTest {5 public static void main(String[] args) {6 List<String> list = new ArrayList<>();7 list.add("a");8 list.add("b");9 list.add("c");10 list.add("d");11 assertThat(list).containsOnlyOnce("a");12 }13}14package org.assertj.core.api;15import java.util.ArrayList;16import java.util.List;17public class AbstractObjectArrayAssertTest {18 public static void main(String[] args) {19 List<String> list = new ArrayList<>();20 list.add("a");21 list.add("b");22 list.add("c");23 list.add("d");24 assertThat(list).containsOnlyOnce("a");25 }26}27package org.assertj.core.api;28import java.util.ArrayList;29import java.util.List;30public class AbstractObjectArrayAssertTest {31 public static void main(String[] args) {32 List<String> list = new ArrayList<>();33 list.add("a");34 list.add("b");35 list.add("c");36 list.add("d");37 assertThat(list).containsOnlyOnce("a");38 }39}40package org.assertj.core.api;41import java.util.ArrayList;42import java.util.List;43public class AbstractObjectArrayAssertTest {44 public static void main(String[] args) {45 List<String> list = new ArrayList<>();46 list.add("a");47 list.add("b");48 list.add("c");49 list.add("d");50 assertThat(list).containsOnlyOnce("a");51 }52}53package org.assertj.core.api;54import java.util.ArrayList;55import java.util.List;56public class AbstractObjectArrayAssertTest {57 public static void main(String[] args) {58 List<String> list = new ArrayList<>();59 list.add("a");60 list.add("b");61 list.add("c");62 list.add("d");

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class InternalSingleElementTest {4 public void internalSingleElementTest() {5 Object[] array = {1, 2, 3};6 Assertions.assertThat(array).internalSingleElement();7 }8}9org.assertj.core.api.AbstractObjectArrayAssert#internalSingleElement()10The following is the declaration for internalSingleElement() method:11public SELF internalSingleElement()12import org.assertj.core.api.Assertions;13import org.junit.Test;14public class InternalSingleElementTest {15 public void internalSingleElementTest() {16 Object[] array = {1};17 Assertions.assertThat(array).internalSingleElement();18 }19}20How to use internalSingleElement() method in Java?21How to use internalSingleElement() method in JUnit?22You can use the internalSingleElement() method in JUnit to test if the array contains a single element or not. If the array contains a single element, it will return the current assertion object. If the array does not contain a single element

Full Screen

Full Screen

internalSingleElement

Using AI Code Generation

copy

Full Screen

1public class AssertjTest {2public static void main(String args[]) {3String[] stringArray = new String[] {"one", "two", "three"};4assertThat(stringArray).usingElementComparator(CaseInsensitiveStringComparator.instance)5.contains("ONE");6}7}8public class AssertjTest {9public static void main(String args[]) {10List<String> stringList = new ArrayList<>();11stringList.add("one");12stringList.add("two");13stringList.add("three");14assertThat(stringList).usingComparator(CaseInsensitiveStringComparator.instance)15.contains("ONE");16}17}18public class AssertjTest {19public static void main(String args[]) {20assertThat("one").usingComparator(CaseInsensitiveStringComparator.instance)21.isEqualTo("ONE");22}23}24public class AssertjTest {25public static void main(String args[]) {26assertThat(new Person("John", "Doe")).usingComparator(CaseInsensitiveStringComparator.instance)27.isEqualTo(new Person("JOHN", "DOE"));28}29}30public class AssertjTest {31public static void main(String args[]) {32assertThat(1).usingComparator(new Comparator<Integer>() {33public int compare(Integer o1, Integer o2) {34return 0;35}36})37.isEqualTo(1);38}39}40public class AssertjTest {41public static void main(String args[]) {42assertThat(new Person("John", "Doe")).usingComparator(new Comparator<Person>() {43public int compare(Person o1, Person o2) {44return 0;45}46})47.isEqualTo(new Person("JOHN", "DOE"));48}49}50public class AssertjTest {51public static void main(String args[]) {52assertThat(new Person("John", "Doe")).usingComparator(CaseInsensitiveStringComparator.instance)53.isEqualTo(new Person

Full Screen

Full Screen

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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Assertj automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

Most used method in AbstractObjectArrayAssert

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful