How to use assertWith method of org.assertj.core.api.Assertions class

Best Assertj code snippet using org.assertj.core.api.Assertions.assertWith

Source:StandardAssertionTest.java Github

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...106 /**107 * Assertions#ssertWithを利用すると、検証のために何度もインスタンスを取得せずに済む108 */109 @Test110 void assertWith() {111 Address address1 = new Address("東京都", "千代田区千代田");112 Person person1 = new Person("内立", 20, address1);113 var personList = List.of(person1);114 Assertions.assertWith(personList.get(0).address(), v -> {115 Assertions.assertThat(v.prefecture()).isEqualTo("東京都");116 Assertions.assertThat(v.following()).isEqualTo("千代田区千代田");117 });118 }119 /**120 * コレクションが変更不可かの検証121 */122 @Test123 void isUnmodifiable() {124 Assertions.assertThat(Collections.unmodifiableCollection(new ArrayList<>()))125 .isUnmodifiable();126 Assertions.assertThat(Collections.unmodifiableList(new ArrayList<>()))127 .isUnmodifiable();128 Assertions.assertThat(Collections.unmodifiableSet(new HashSet<>()))...

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Source:Assertions_assertWith_Test.java Github

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...12 */13package org.assertj.core.api;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;16import static org.assertj.core.api.Assertions.assertWith;17import java.util.function.Consumer;18import org.assertj.core.test.Jedi;19import org.junit.jupiter.api.Test;20class Assertions_assertWith_Test {21 private Jedi yoda = new Jedi("Yoda", "Green");22 @Test23 void should_pass_satisfying_single_requirement() {24 assertWith(yoda, jedi -> assertThat(jedi.lightSaberColor).isEqualTo("Green"));25 }26 @Test27 void should_pass_satisfying_multiple_requirements() {28 assertWith(yoda,29 jedi -> assertThat(jedi.lightSaberColor).isEqualTo("Green"),30 jedi -> assertThat(jedi.getName()).isEqualTo("Yoda"));31 }32 @Test33 void should_allow_strongly_typed_assertion() {34 assertWith("foo", string -> assertThat(string).startsWith("f"));35 }36 @Test37 void should_fail_when_consumer_is_null() {38 // GIVEN39 Consumer<Jedi> nullRequirements = null;40 // WHEN/THEN41 assertThatIllegalArgumentException().isThrownBy(() -> assertWith(yoda, nullRequirements))42 .withMessage("No assertions group should be null");43 }44}

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assertWith

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1package com.automationrhapsody.junit5;2import static org.assertj.core.api.Assertions.*;3import org.junit.jupiter.api.Test;4public class AssertWithTest {5 public void assertWithTest() {6 assertWithMessage("This is a message")7 .that("Hello JUnit 5")8 .startsWith("Hello")9 .contains("JUnit")10 .endsWith("5");11 }12}

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assertWith

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1import org.assertj.core.api.Assertions;2import org.assertj.core.api.SoftAssertions;3public class SoftAssertionsDemo {4 public static void main(String[] args) {5 SoftAssertions softAssertions = new SoftAssertions();6 softAssertions.assertThat(1).as("Check if 1 is equal to 2").isEqualTo(2);7 softAssertions.assertThat(2).as("Check if 2 is equal to 3").isEqualTo(3);8 softAssertions.assertAll();9 }10}

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assertWith

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1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertWith {4 public void testAssertWith() {5 String str1 = "Javatpoint";6 String str2 = "Javatpoint";7 String str3 = "Javatpoint";8 String str4 = "Javatpoint";9 Assertions.assertWith(10 () -> Assertions.assertThat(str1).isEqualTo(str2),11 () -> Assertions.assertThat(str3).isEqualTo(str4));12 }13}14at org.junit.Assert.fail(Assert.java:88)15at org.junit.Assert.failNotEquals(Assert.java:834)16at org.junit.Assert.assertEquals(Assert.java:645)17at org.junit.Assert.assertEquals(Assert.java:631)18at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:81)19at org.assertj.core.api.Assertions$2.accept(Assertions.java:365)20at org.assertj.core.api.Assertions$2.accept(Assertions.java:362)21at org.assertj.core.api.Assertions.assertWith(Assertions.java:392)22at org.assertj.core.api.Assertions.assertWith(Assertions.java:362)23at AssertWith.testAssertWith(AssertWith.java:13)24at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)25at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)26at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)27at java.lang.reflect.Method.invoke(Method.java:498)28at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)29at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)30at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)31at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)32at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)33at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)34at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)

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assertWith

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1import static org.assertj.core.api.Assertions.*;2public class AssertJAssertWith {3 public static void main(String[] args) {4 String str1 = "Hello";5 String str2 = "Hello";6 String str3 = "World";7 String str4 = "World";8 String str5 = null;9 assertThat(str1).as("Check str1 and str2 are equal").isEqualTo(str2);10 assertThat(str2).as("Check str2 and str3 are not equal").isNotEqualTo(str3);11 assertThat(str3).as("Check str3 and str4 are equal").isEqualTo(str4);12 assertThat(str4).as("Check str4 and str5 are not equal").isNotEqualTo(str5);13 }14}15Related Posts: Java - AssertJ - assertWithMessage() method16Java - AssertJ - assertWithMessage() method17Java - AssertJ - assertThat() method

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assertWith

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1package com.automationrhapsody.assertj;2import static org.assertj.core.api.Assertions.*;3import org.junit.Test;4public class AssertWithTest {5 public void testAssertWith() {6 assertThat("Hello").as("String is not null or empty")7 .isNotNull()8 .isNotEmpty();9 assertThat(1).as("Number is greater than zero")10 .isGreaterThan(0);11 }12}13 at org.assertj.core.api.AbstractAssert.fail(AbstractAssert.java:64)14 at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:76)15 at com.automationrhapsody.assertj.AssertWithTest.testAssertWith(AssertWithTest.java:12)16 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)17 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)18 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)19 at java.lang.reflect.Method.invoke(Method.java:498)20 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)21 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)22 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)23 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)24 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32 at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)34 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)

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assertWith

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1import static org.assertj.core.api.Assertions.*;2public class AssertJAssertions {3 public static void main(String[] args) {4 String str1 = "Test";5 String str2 = "Test";6 String str3 = "test";7 String str4 = "test";8 String str5 = null;9 assertThat(str1).isEqualTo(str2);10 assertThat(str3).isEqualTo(str4);11 assertThat(str1).isNotEqualTo(str3);12 assertThat(str4).isNotEqualTo(str5);13 }14}15import static org.assertj.core.api.Assertions.*;16public class AssertJAssertions {17 public static void main(String[] args) {18 String str = null;19 assertThatThrownBy(() -> {20 if (str == null) {21 throw new NullPointerException("str is null");22 }23 }).isInstanceOf(NullPointerException.class)24 .hasMessageContaining("str is null");25 }26}27import static org.assertj.core.api.Assertions.*;28public class AssertJAssertions {29 public static void main(String[] args) {30 String str = null;31 assertThatCode(() -> {32 if (str == null) {33 throw new NullPointerException("str is null");34 }35 }).doesNotThrowAnyException();36 }37}38import static org.assertj.core.api.Assertions.*;39public class AssertJAssertions {40 public static void main(String[] args) {41 String str = "Test";

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assertWith

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1package org.example;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.DisplayName;4import org.junit.jupiter.api.BeforeEach;5import static org.assertj.core.api.Assertions.*;6{7 private App app;8 void init() {9 app = new App();10 }11 @DisplayName("Test1: testing if setNumber() method sets the number correctly")12 public void test1() {13 app.setNumber(10);14 assertThat(app.getNumber()).isEqualTo(10);15 }16 @DisplayName("Test2: testing if setNumber() method sets the number correctly")17 public void test2() {18 app.setNumber(20);19 assertThat(app.getNumber()).isEqualTo(20);20 }21}22package org.example;23import org.junit.jupiter.api.Test;24import org.junit.jupiter.api.DisplayName;25import org.junit.jupiter.api.BeforeEach;26import static org.assertj.core.api.Assertions.*;27{28 private App app;29 void init() {30 app = new App();31 }32 @DisplayName("Test1: testing if setNumber() method sets the number correctly")33 public void test1() {34 app.setNumber(10);35 assertThat(app.getNumber()).isEqualTo(10);36 }37 @DisplayName("Test2: testing if setNumber() method sets the number correctly")38 public void test2() {39 app.setNumber(20);40 assertThat(app.getNumber()).isEqualTo(20);41 }42}43package org.example;44import org.junit.jupiter.api.Test;45import org.junit.jupiter.api.DisplayName;46import org.junit.jupiter.api.BeforeEach;47import static org.assertj.core.api.Assertions.*;48{49 private App app;50 void init() {51 app = new App();52 }53 @DisplayName("Test1: testing if setNumber() method sets the number correctly")54 public void test1() {55 app.setNumber(10);56 assertThat(app.getNumber()).isEqualTo(10);57 }58 @DisplayName("Test2: testing if setNumber() method sets the number correctly")59 public void test2() {

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assertWith

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1import static org.assertj.core.api.Assertions.*;2public class AssertWith {3 public static void main(String[] args) {4 String s = "hello";5 assertThat(s).as("check if the string is equal to 'hello'").isEqualTo("hello");6 }7}8assertWithMessage() method9import static org.assertj.core.api.Assertions.*;10public class AssertWithMessage {11 public static void main(String[] args) {12 String s = "hello";13 assertWithMessage("check if the string is equal to 'hello'").that(s).isEqualTo("hello");14 }15}16assertThatThrownBy() method17import static org.assertj.core.api.Assertions.*;18public class AssertThatThrownBy {19 public static void main(String[] args) {20 String s = "hello";21 assertThatThrownBy(() -> {22 s = null;23 s.charAt(0);24 }).isInstanceOf(NullPointerException.class);25 }26}

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assertWith

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1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class AssertWithMethod {4public void testAssertWithMethod() {5String str1 = "AssertJ";6String str2 = "AssertJ";7String str3 = "TestNG";8String str4 = "Junit";9assertThat(str1).as("Test1: Check if str1 and str2 are equal").isSameAs(str2);10assertThat(str1).as("Test2: Check if str1 and str3 are equal").isSameAs(str3);11assertThat(str1).as("Test3: Check if str1 and str4 are equal").isSameAs(str4);12}13}14at org.assertj.core.api.AbstractAssert.isSameAs(AbstractAssert.java:90)15at org.assertj.core.api.AbstractObjectAssert.isSameAs(AbstractObjectAssert.java:85)16at AssertWithMethod.testAssertWithMethod(AssertWithMethod.java:13)17at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)18at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)19at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)20at java.lang.reflect.Method.invoke(Method.java:498)21at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)22at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)23at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)24at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)25at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)26at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)27at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)28at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)29at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)30at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)31at org.junit.runners.ParentRunner$1.schedule(P

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assertWith

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1import static org.assertj.core.api.Assertions.*;2class AssertWithDemo {3 public static void main(String[] args) {4 String str = "I am learning java";5 assertWithMessage("This is a test of assertWithMessage method")6 .that(str)7 .startsWith("I am")8 .endsWith("java");9 }10}11Related Articles: Java - AssertJ - assertWithMessage() Method12Java - AssertJ - assertThatThrownBy() Method13Java - AssertJ - assertThat() Method14Java - AssertJ - assertThatCode() Method15Java - AssertJ - assertThatExceptionOfType() Method16Java - AssertJ - assertThatIllegalArgumentException() Method17Java - AssertJ - assertThatIllegalStateException() Method18Java - AssertJ - assertThatNullPointerException() Method19Java - AssertJ - assertThatNoException() Method

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