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How to use Assert class of org.assertj.core.api package

Best Assertj code snippet using org.assertj.core.api.Assert

Source:AssertionsCompletenessCheck.java

...6import java.util.List;7import java.util.Optional;8import java.util.OptionalInt;9import java.util.stream.Stream;10import org.assertj.core.api.junit.jupiter.SoftAssertionsExtension;11import org.fest.assertions.BooleanAssert;12import org.junit.Rule;13import org.junit.Test;14import org.junit.jupiter.api.extension.AfterTestExecutionCallback;15import org.junit.jupiter.api.extension.ExtendWith;16import org.junit.jupiter.api.extension.ExtensionContext;17import org.junit.jupiter.api.Nested;18import org.mockito.Mockito;19public class AssertionsCompletenessCheck {20  @Rule21  public final org.assertj.core.api.JUnitSoftAssertions junit_soft_assertions = new org.assertj.core.api.JUnitSoftAssertions();22  @Test23  public void fest_assertions() {24    org.fest.assertions.Assertions.assertThat(true); // Noncompliant {{Complete the assertion.}}25    org.fest.assertions.Assertions.assertThat(true).as("foo"); // Noncompliant26    org.fest.assertions.Assertions.assertThat(true).describedAs("foo");  // Noncompliant27    org.fest.assertions.Assertions.assertThat(true).overridingErrorMessage("foo");  // Noncompliant28    org.fest.assertions.Assertions.assertThat(true).isTrue(); // Compliant29    org.fest.assertions.Assertions.assertThat(AssertionsCompletenessCheck.class.toString()).hasSize(0); // Compliant30    org.fest.assertions.Assertions.assertThat(AssertionsCompletenessCheck.class.toString()).as("aa").hasSize(0); // Compliant31  }32  private BooleanAssert return_fest_assertion(String filename, String key) {33    // Compliant, no issue is raised for return statements and variable assignments to allow helper methods34    BooleanAssert result = org.fest.assertions.Assertions.assertThat(filename.contains(key));35    return org.fest.assertions.Assertions.assertThat(filename.contains(key));36  }37  @Test38  public void call_fest_assertion_builder() {39    return_fest_assertion("foo.txt", "key1").isTrue();40    return_fest_assertion("bar.txt", "key2").isTrue();41  }42  @Test43  public void mockito_assertions() {44    List<String> mockedList = Mockito.mock(List.class);45    Mockito.verify(mockedList); // Noncompliant46    Mockito.verify(mockedList, Mockito.times(0)); // Noncompliant47    Mockito.verify(mockedList).add("one");48    Mockito.verify(mockedList, Mockito.times(0)).clear();49    Mockito.verifyNoMoreInteractions(mockedList);50    Mockito.verifyZeroInteractions(mockedList);51  }52  @Test53  public void junit_assertions() {54    org.junit.Assert.assertThat(3, org.hamcrest.Matchers.is(3));55  }56  @Test57  public void google_truth_assertions() {58    boolean b = true;59    Truth.assertThat(b).isTrue();60    String s = "Hello Truth Framework World!";61    Truth.assertThat(s).contains("Hello");62    Truth.assertThat(b); // Noncompliant63    Truth.assertWithMessage("Invalid option").that(b).isFalse();64    Truth.assertWithMessage("Invalid option").that(b); // Noncompliant65  }66  @Test67  public void google_truth8_assertions() {68    Truth8.assertThat(Stream.of(1, 2, 3)); // Noncompliant69    Truth8.assertThat(Stream.of(1, 2, 3)).containsAllOf(1, 2, 3).inOrder();70    boolean b = true;71    Truth8.assertThat(Optional.of(b)); // Noncompliant72    Truth8.assertThat(Optional.of(b)).isPresent();73    Truth8.assertThat(OptionalInt.of(1)); // Noncompliant74    Truth8.assertThat(OptionalInt.of(1)).hasValue(0);75  }76  @Test77  public void assertj_assertions() {78    org.assertj.core.api.Assertions.assertThat(1).isGreaterThan(0);79    org.assertj.core.api.Assertions.assertThat(1); // Noncompliant80    org.assertj.core.api.Assertions.assertThat(1).withThreadDumpOnError().isGreaterThan(0);81    org.assertj.core.api.Assertions.assertThat(1).withThreadDumpOnError(); // Noncompliant82    org.assertj.core.api.Assertions.assertThat(1).overridingErrorMessage("error").isGreaterThan(0);83    org.assertj.core.api.Assertions.assertThat(1).overridingErrorMessage("error"); // Noncompliant84    org.assertj.core.api.Assertions.assertThat(1).usingDefaultComparator().isGreaterThan(0);85    org.assertj.core.api.Assertions.assertThat(1).usingDefaultComparator(); // Noncompliant86    org.assertj.core.api.Assertions.assertThatObject(null).extracting("name"); // Noncompliant87    org.assertj.core.api.Assertions.assertThatObject(null).extracting("name").isEqualTo("Paul");88    org.assertj.core.api.Assertions.assertThatThrownBy(() -> {}).describedAs(""); // Compliant, can be used alone (will fail if not exception is used).89    org.assertj.core.api.Assertions.assertThatThrownBy(() -> {}).describedAs("").hasMessage("42");90    org.assertj.core.api.Assertions.assertThatThrownBy(() -> {}, "desc", 42).usingComparator(null); // Compliant91    org.assertj.core.api.Assertions.assertThatThrownBy(() -> {}, "desc", 42).usingComparator(null).isInstanceOf(IllegalStateException.class);92    org.assertj.core.api.Assertions.assertThatCode(() -> {}); // Noncompliant93    org.assertj.core.api.Assertions.assertThatCode(() -> {}).isInstanceOf(IllegalStateException.class);94    org.assertj.core.api.Assertions.assertThatExceptionOfType(IllegalStateException.class); // Noncompliant95    org.assertj.core.api.Assertions.assertThatExceptionOfType(IllegalStateException.class).isThrownBy(() -> {});96    org.assertj.core.api.Assertions.assertThatNullPointerException(); // Noncompliant97    org.assertj.core.api.Assertions.assertThatNullPointerException().isThrownBy(() -> {});98    org.assertj.core.api.Assertions.assertThatIllegalArgumentException(); // Noncompliant99    org.assertj.core.api.Assertions.assertThatIllegalArgumentException().isThrownBy(() -> {});100    org.assertj.core.api.Assertions.assertThatIOException(); // Noncompliant101    org.assertj.core.api.Assertions.assertThatIOException().isThrownBy(() -> {});102    org.assertj.core.api.Assertions.assertThatIllegalStateException(); // Noncompliant103    org.assertj.core.api.Assertions.assertThatIllegalStateException().isThrownBy(() -> {});104    Comparator customComparator = null;105    org.assertj.core.api.Assertions.assertThat(1).usingComparator(customComparator).isGreaterThanOrEqualTo(0);106    org.assertj.core.api.Assertions.assertThat(1).usingComparator(customComparator); // Noncompliant107    org.assertj.core.api.Assertions.assertThat("a").asString().hasSize(1);108    org.assertj.core.api.Assertions.assertThat("a").asString(); // Noncompliant109    List a = null;110    org.assertj.core.api.Assertions.assertThat(a).asList().hasSize(0);111    org.assertj.core.api.Assertions.assertThat(a).asList(); // Noncompliant112    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();113    softly.assertThat((Path) null); // Noncompliant114    softly.assertAll();115  }116  @Test117  public void assertj_java6assertions() {118    org.assertj.core.api.Java6Assertions.assertThat(1).isGreaterThan(0);119    org.assertj.core.api.Java6Assertions.assertThat(1); // Noncompliant120    org.assertj.core.api.Java6Assertions.assertThat(1).withThreadDumpOnError().isGreaterThan(0);121    org.assertj.core.api.Java6Assertions.assertThat(1).withThreadDumpOnError(); // Noncompliant122    org.assertj.core.api.Java6Assertions.assertThat(1).overridingErrorMessage("error").isGreaterThan(0);123    org.assertj.core.api.Java6Assertions.assertThat(1).overridingErrorMessage("error"); // Noncompliant124    org.assertj.core.api.Java6Assertions.assertThat(1).usingDefaultComparator().isGreaterThan(0);125    org.assertj.core.api.Java6Assertions.assertThat(1).usingDefaultComparator(); // Noncompliant126    Comparator customComparator = null;127    org.assertj.core.api.Java6Assertions.assertThat(1).usingComparator(customComparator).isGreaterThanOrEqualTo(0);128    org.assertj.core.api.Java6Assertions.assertThat(1).usingComparator(customComparator); // Noncompliant129    org.assertj.core.api.Java6Assertions.assertThat("a").asString().hasSize(1);130    org.assertj.core.api.Java6Assertions.assertThat("a").asString(); // Noncompliant131    List a = null;132    org.assertj.core.api.Java6Assertions.assertThat(a).asList().hasSize(0);133    org.assertj.core.api.Java6Assertions.assertThat(a).asList(); // Noncompliant134    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();135    softly.assertThat((String) null); // Noncompliant136    softly.assertAll();137  }138  @Test139  public void assertj_soft_assertions_without_assertAll() {140    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();141    softly.assertThat(5).isLessThan(3);142    softly.assertThat(1).isGreaterThan(2);143  } // Noncompliant {{Add a call to 'assertAll' after all 'assertThat'.}}144  @Test145  void assertj_java6_soft_assertions_without_assertAll() {146    org.assertj.core.api.Java6SoftAssertions softly = new org.assertj.core.api.Java6SoftAssertions();147    softly.assertThat(new A()); // Noncompliant148    softly.assertThat(5).isLessThan(3);149  } // Noncompliant150  @Test151  public void assertj_soft_assertions_ok() {152    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();153    softly.assertThat(5).isLessThan(3);154    softly.assertThat(1).isGreaterThan(2);155    softly.assertAll();156  }157  @Test158  void assertj_java6_soft_assertions_ok() {159    org.assertj.core.api.Java6SoftAssertions softly = new org.assertj.core.api.Java6SoftAssertions();160    softly.assertThat(5).isLessThan(3);161    softly.assertAll();162  }163  @Test164  public void assertj_soft_assertions_without_assertThat() {165    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();166    softly.assertAll(); // Noncompliant {{Add one or more 'assertThat' before 'assertAll'.}}167  }168  @Test169  public void assertj_soft_assertions_try_with_resource() {170    try(org.assertj.core.api.AutoCloseableSoftAssertions softly = new org.assertj.core.api.AutoCloseableSoftAssertions()) {171      softly.assertThat(1).isLessThan(2);172    } // Compliant, no need to call "assertAll()", it will be called by AutoCloseableSoftAssertions173  }174  @Test175  public void assertj_soft_assertions_try_with_resource_without_assertThat() {176    try(org.assertj.core.api.AutoCloseableSoftAssertions softly = new org.assertj.core.api.AutoCloseableSoftAssertions()) {177    } // Noncompliant {{Add one or more 'assertThat' before the end of this try block.}}178  }179  @Test180  public void assertj_soft_assertions_try_with_resource_with_useless_assertAll() {181    try(org.assertj.core.api.AutoCloseableSoftAssertions softly = new org.assertj.core.api.AutoCloseableSoftAssertions()) {182      softly.assertThat(1).isLessThan(2);183      softly.assertAll();184    } // Noncompliant {{Add one or more 'assertThat' before the end of this try block.}}185  }186  @Test187  public void assertj_junit_soft_assertions() {188    junit_soft_assertions.assertThat(1).isLessThan(2);189  } // Compliant, no need to call "assertAll()", it will be called by the @Rule of junit_soft_assertions190  @Test191  public void assertj_soft_assertions_try_with_resource_java9() {192    try(org.assertj.core.api.AutoCloseableSoftAssertions softly = new org.assertj.core.api.AutoCloseableSoftAssertions()) {193      softly.assertThat(1).isLessThan(2);194    } // Compliant, no need to call "assertAll()", it will be called by AutoCloseableSoftAssertions195  }196  @Test197  public void assertj_junit_soft_assertions_cross_methods_1() throws Exception {198    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();199    doSomething(softly);200    softly.assertAll();201  }202  @Test203  public void assertj_junit_soft_assertions_cross_methods_2() throws Exception {204    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();205    softly.assertThat(1).isEqualTo("1");206    doSomethingElse(softly);207  }208  @Test209  public void assertj_junit_soft_assertions_cross_methods_3() throws Exception {210    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();211    doBoth(softly, true);212  }213  @Test214  public void assertj_junit_soft_assertions_cross_methods_4() throws Exception {215    doSoftAssertions("expected");216  }217  @Test218  public void assertj_junit_soft_assertions_cross_methods_5() throws Exception {219    doIncompleteSoftAssertions1("expected");220  } // Noncompliant {{Add a call to 'assertAll' after all 'assertThat'.}}221  @Test222  public void assertj_junit_soft_assertions_cross_methods_6() throws Exception {223    doIncompleteSoftAssertions2(); // Noncompliant [[sc=5;ec=34;secondary=277,282]] {{Add one or more 'assertThat' before 'assertAll'.}}224  }225  private void doSomething(org.assertj.core.api.SoftAssertions softly) {226    softly.assertThat(1).isEqualTo("1");227  }228  private void doSomethingElse(org.assertj.core.api.SoftAssertions softly) {229    softly.assertAll();230  }231  private void doSoftAssertions(String expected) {232    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();233    softly.assertThat(1).isEqualTo(expected);234    softly.assertAll();235  }236  private void doIncompleteSoftAssertions1(String expected) {237    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();238    softly.assertThat(1).isEqualTo(expected);239  }240  private void doIncompleteSoftAssertions2() {241    doIncompleteSoftAssertions3();242  }243  private void doIncompleteSoftAssertions3() {244    org.assertj.core.api.SoftAssertions softly = new org.assertj.core.api.SoftAssertions();245    softly.assertAll();246  }247  private void doBoth(org.assertj.core.api.SoftAssertions softly, boolean doItAgain) {248    doSomething(softly);249    if (doItAgain) {250      doBoth(softly, !doItAgain);251    }252    doSomethingElse(softly);253  }254  @Test255  public void assertj_soft_assertions_with_assert_softly() {256    org.assertj.core.api.SoftAssertions.assertSoftly(softly -> {257      softly.assertThat(5).isLessThan(3);258      softly.assertThat(1).isGreaterThan(2);259      // Compliant the "assertAll" method will be called automatically260    });261  }262  @Test263  public void assertj_soft_assertions_mixing_assert_softly_and_assert_all_1() {264    org.assertj.core.api.SoftAssertions mainSoftly = new org.assertj.core.api.SoftAssertions();265    mainSoftly.assertThat(5).isLessThan(3);266    org.assertj.core.api.SoftAssertions.assertSoftly(softly -> {267      softly.assertThat(5).isLessThan(3);268    });269    mainSoftly.assertAll();270  }271  @Test272  public void assertj_soft_assertions_mixing_assert_softly_and_assert_all_2() {273    org.assertj.core.api.SoftAssertions mainSoftly = new org.assertj.core.api.SoftAssertions();274    org.assertj.core.api.SoftAssertions.assertSoftly(softly -> {275      softly.assertThat(5).isLessThan(3);276    });277    // missing "assertThat"278    mainSoftly.assertAll(); // Noncompliant279  }280  static class A {281  }282}283@ExtendWith(value = SoftAssertionsExtension.class)284class JUnit5SoftAssertionsExample {285  @Test286  void junit5_soft_assertions_example(org.assertj.core.api.SoftAssertions softly) {287    softly.assertThat(5).isLessThan(3);288    // No need to call softly.assertAll(), this is automatically done by the SoftAssertionsExtension289  }290}291@ExtendWith({MyExtension.class, SoftAssertionsExtension.class})292class JUnit5SoftAssertionsExample2 {293  @Test294  void junit5_soft_assertions_example(org.assertj.core.api.SoftAssertions softly) {295    softly.assertThat(5).isLessThan(3);296  }297}298@ExtendWith(MyExtension.class)299class JUnit5SoftAssertionsExample3 {300  @Test301  void junit5_soft_assertions_example(org.assertj.core.api.SoftAssertions softly) {302    softly.assertThat(5).isLessThan(3);303  } // Noncompliant304}305class MyExtension implements AfterTestExecutionCallback {306  @Override307  public void afterTestExecution(ExtensionContext context) throws Exception {308  }309}310@ExtendWith(SoftAssertionsExtension.class)311class NestedJUnit5SoftAssertionsExample {312  @Nested313  class NestedClass {314    @Test315    void junit5_soft_assertions_example(org.assertj.core.api.SoftAssertions softly) {316      softly.assertThat(5).isLessThan(3);317      // No need to call softly.assertAll(), this is automatically done by the SoftAssertionsExtension318    }319  }320}...

Source:ObjectContentAssert.java

...14 * limitations under the License.15 */16package org.springframework.boot.test.json;17import java.util.Map;18import org.assertj.core.api.AbstractMapAssert;19import org.assertj.core.api.AbstractObjectArrayAssert;20import org.assertj.core.api.AbstractObjectAssert;21import org.assertj.core.api.Assert;22import org.assertj.core.api.Assertions;23import org.assertj.core.internal.Objects;24/**25 * AssertJ {@link Assert} for {@link ObjectContent}.26 *27 * @param <A> The actual type28 * @author Phillip Webb29 * @since 1.4.030 */31public class ObjectContentAssert<A>32		extends AbstractObjectAssert<ObjectContentAssert<A>, A> {33	protected ObjectContentAssert(A actual) {34		super(actual, ObjectContentAssert.class);35	}36	/**37	 * Verifies that the actual value is an array, and returns an array assertion, to38	 * allow chaining of array-specific assertions from this call.39	 * @return an array assertion object40	 */41	public AbstractObjectArrayAssert<?, Object> asArray() {42		Objects.instance().assertIsInstanceOf(this.info, this.actual, Object[].class);43		return Assertions.assertThat((Object[]) this.actual);44	}45	/**46	 * Verifies that the actual value is a map, and returns a map assertion, to allow47	 * chaining of map-specific assertions from this call.48	 * @return a map assertion object49	 */50	@SuppressWarnings("unchecked")51	public AbstractMapAssert<?, ?, Object, Object> asMap() {52		Objects.instance().assertIsInstanceOf(this.info, this.actual, Map.class);53		return Assertions.assertThat((Map<Object, Object>) this.actual);54	}55}...

Assert

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class AssertJTest {4    public void testAssertJ() {5        String str1 = "Junit";6        String str2 = "Junit";7        String str3 = "test";8        String str4 = "test";9        String str5 = null;10        int val1 = 5;11        int val2 = 6;12        String[] expectedArray = { "one", "two", "three" };13        String[] resultArray = { "one", "two", "three" };14        assertThat(str1).isEqualTo(str2);15        assertThat(str3).isEqualTo(str4);16        assertThat(str1).isEqualToIgnoringCase(str2);17        assertThat(str1).isEqualToIgnoringCase(str3);18        assertThat(str1).isEqualToComparingFieldByField(str2);19        assertThat(str3).isEqualToComparingFieldByField(str4);20        assertThat(str1).isEqualToIgnoringCase(str3);21        assertThat(str1).isNotEqualTo(str3);22        assertThat(str1).isNotEqualToIgnoringCase(str3);23        assertThat(str5).isNull();24        assertThat(str1).isNotNull();25        assertThat(str1).startsWith("J");26        assertThat(str1).endsWith("t");27        assertThat(str1).contains("uni");28        assertThat(str1).doesNotContain("test");29        assertThat(str1).isEqualToIgnoringCase(str2);30        assertThat(str1).isEqualToIgnoringCase(str3);31        assertThat(str1).isEqualToComparingFieldByField(str2);32        assertThat(str3).isEqualToComparingFieldByField(str4);33        assertThat(str1).isEqualToIgnoringCase(str3);34        assertThat(str1).isNotEqualTo(str3);35        assertThat(str1).isNotEqualToIgnoringCase(str3);36        assertThat(str5).isNull();37        assertThat(str1).isNotNull();38        assertThat(str1).startsWith("J");39        assertThat(str1).endsWith("t");40        assertThat(str1).contains("uni");41        assertThat(str1).doesNotContain("test");42        assertThat(str1).isEqualToIgnoringCase(str2);43        assertThat(str1).isEqualToIgnoringCase(str3);44        assertThat(str1).isEqualToComparingFieldByField(str2);45        assertThat(str3).isEqualToComparingFieldByField(str4);46        assertThat(str1).isEqualToIgnoringCase(str3);47        assertThat(str1).isNotEqualTo(str3);48        assertThat(str1).isNotEqualToIgnoringCase

Assert

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.fail;5public class AssertTest {6	public static void main(String[] args) {7		assertThat(5).isEqualTo(5);8		assertThat(5).isNotEqualTo(6);9		assertThat(null).isNull();10		assertThat(1).isNotNull();11		Integer aNumber = Integer.valueOf(768);12		assertThat(aNumber).isSameAs(aNumber);13		Integer anotherNumber = Integer.valueOf(768);14		assertThat(aNumber).isNotSameAs(anotherNumber);15		assertThat(true).isTrue();16		assertThat(false).isFalse();17		assertThatThrownBy(() -> {throw new Exception("boom!");})18			.isInstanceOf(Exception.class)19			.hasMessageContaining("boom");20		Throwable thrown = catchThrowable(() -> {throw new Exception("boom!");});21		assertThat(thrown).isInstanceOf(Exception.class)22			.hasMessageContaining("boom");23		fail("a failure message");24	}25}26	at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)27	at AssertTest.main(AssertTest.java:15)28	at org.assertj.core.api.AbstractAssert.isNotEqualTo(AbstractAssert.java:72)29	at AssertTest.main(AssertTest.java:16)30	at org.assertj.core.api.AbstractAssert.isNull(AbstractAssert.java:120)31	at AssertTest.main(AssertTest.java:17)

Assert

Using AI Code Generation

1import org.assertj.core.api.*;2public class AssertJTest {3    public static void main(String[] args) {4        AssertJTest ajt = new AssertJTest();5        ajt.testAssertJ();6    }7    public void testAssertJ() {8        String str1 = "Junit is working fine";9        String str2 = "Junit is working fine";10        AssertJTest ajt = new AssertJTest();11        AssertJTest ajt1 = null;12        int val1 = 5;13        int val2 = 6;14        String[] expectedArray = {"one", "two", "three"};15        String[] resultArray = {"one", "two", "three"};16        Assertions.assertThat(str1).isEqualTo(str2);17        Assertions.assertThat(val1 < val2).isTrue();18        Assertions.assertThat(val1 > val2).isFalse();19        Assertions.assertThat(ajt1).isNull();20        Assertions.assertThat(ajt).isNotNull();21        Assertions.assertThat(ajt).isSameAs(ajt);22        Assertions.assertThat(ajt).isNotSameAs(ajt1);23        Assertions.assertThat(expectedArray).isEqualTo(resultArray);24    }25}

Assert

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2public class AssertJAssert {3   public static void main(String[] args) {4      String str1 = "AssertJ";5      String str2 = "AssertJ";6      String str3 = "JUnit";7      String str4 = "TestNG";8      String str5 = "test";9      assertThat(str1).isEqualTo(str2);10      assertThat(str1).isEqualToIgnoringCase(str3);11      assertThat(str1).startsWith(str5);12      assertThat(str1).endsWith("J");13   }14}

Assert

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import org.junit.Test;4public class AssertJTest {5    public void testAssertJ() {6        assertThat(1).isEqualTo(1);7        assertThatThrownBy(() -> {8            throw new RuntimeException("exception");9        }).hasMessage("exception");10    }11}12import static org.assertj.core.api.Assertions.assertThat;13import static org.assertj.core.api.Assertions.assertThatThrownBy;14import org.junit.jupiter.api.Test;15public class AssertJTest {16    public void testAssertJ() {17        assertThat(1).isEqualTo(1);18        assertThatThrownBy(() -> {19            throw new RuntimeException("exception");20        }).hasMessage("exception");21    }22}23import static org.assertj.core.api.Assertions.assertThat;24import static org.assertj.core.api.Assertions.assertThatThrownBy;25import org.junit.Test;26public class AssertJTest {27    public void testAssertJ() {28        assertThat(1).isEqualTo(1);29        assertThatThrownBy(() -> {30            throw new RuntimeException("exception");31        }).hasMessage("exception");32    }33}34import static org.assertj.core.api.Assertions.assertThat;35import static org.assertj.core.api.Assertions.assertThatThrownBy;36import org.junit.Test;37public class AssertJTest {38    public void testAssertJ() {39        assertThat(1).isEqualTo(1);40        assertThatThrownBy(() -> {41            throw new RuntimeException("exception");42        }).hasMessage("exception");43    }44}

Assert

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class AssertTest {4public void testAssert() {5assertThat(1).isGreaterThan(0);6assertThat(1).isLessThan(2);7assertThat(1).isEqualTo(1);8assertThat(1).isNotEqualTo(2);9assertThat(1).isNotNull();10assertThat(1).isNotZero();11assertThat(1).isPositive();12assertThat(1).isNotNegative();13assertThat(1).isGreaterThan(0).isLessThan(2);14assertThat(1).isBetween(0, 2);15assertThat(1).isIn(0, 1, 2);16assertThat(1).isNotIn(0, 2);17assertThat(1).isInstanceOf(Integer.class);18assertThat(1).isNotInstanceOf(String.class);19assertThat(1).isExactlyInstanceOf(Integer.class);20assertThat(1).isNotExactlyInstanceOf(Number.class);21assertThat(1).isOfAnyClassIn(Integer.class, String.class);22assertThat(1).isNotOfAnyClassIn(String.class, Number.class);23assertThat(1).isIn(0, 1, 2).isNotIn(0, 2);24assertThat(1).isBetween(0, 2).isIn(0, 1, 2);25assertThat(1).isNotNull().isNotZero().isPositive().isNotNegative().isGreaterThan(0).isLessThan(2).isBetween(0, 2).isIn(0, 1, 2).isNotIn(0, 2).isInstanceOf(Integer.class).isNotInstanceOf(String.class).isExactlyInstanceOf(Integer.class).isNotExactlyInstanceOf(Number.class).isOfAnyClassIn(Integer.class, String.class).isNotOfAnyClassIn(String.class, Number.class);26}27}

Assert

Using AI Code Generation

1package org.example;2import org.assertj.core.api.Assert;3public class AssertJAssertExample {4    public static void main(String[] args) {5        Assert<String> assertObj = new Assert<>("Hello World", String.class);6        assertObj.isNotNull();7        assertObj.isEqualTo("Hello World");8    }9}10	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)11	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)12	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)13	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)14	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)15	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)16	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)17	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)18	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)19	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)20	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)21	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)22	at org.assertj.core.api.AbstractAssert.isNotNull(AbstractAssert.java:82)23	at org.example.AssertJAssertExample.main(AssertJAssertExample.java:8)24	at org.assertj.core.api.AbstractAssert.isNotNull(Abstract

Assert

Using AI Code Generation

1import org.assertj.core.api.*;2import java.util.*;3public class 1 {4    public static void main(String args[]) {5        Assert.assertEquals(1, 1);6        List<Integer> list1 = new ArrayList<Integer>();7        list1.add(1);8        list1.add(2);9        List<Integer> list2 = new ArrayList<Integer>();10        list2.add(1);11        list2.add(2);12        Assert.assertEquals(list1, list2);13        Assert.assertEquals(list1.size(), list2.size());14        Assert.assertTrue(list1.contains(2));15        Assert.assertFalse(list1.isEmpty());16        Assert.assertTrue(list1.size() > 0);17        Assert.assertNotNull(list1);18        Assert.assertNull(null);19    }20}21	at org.junit.Assert.assertEquals(Assert.java:115)22	at org.junit.Assert.assertEquals(Assert.java:144)23	at 1.main(1.java:6)24	at org.junit.Assert.assertEquals(Assert.java:115)25	at org.junit.Assert.assertEquals(Assert.java:144)26	at 1.main(1.java:11)27	at org.junit.Assert.assertEquals(Assert.java:115)28	at org.junit.Assert.assertEquals(Assert.java:144)29	at 1.main(1.java:16)30	at org.junit.Assert.assertEquals(Assert.java:115)31	at org.junit.Assert.assertEquals(Assert.java

Assert

Using AI Code Generation

1package org.jnit.assertions;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertClassExample {4	public static void main(String[] args) {5		Employee employee1 = new Employee(1, "john", "manager");6		Employee employee2 = new Employee(1, "john", "manager");7		assertThat(employee1).isEqualTo(employee2);8	}9}10package org.jnit.assertions;11import static org.assertj.core.api.Assertions.assertThat;12public class AssertClassExample {13	public static void main(String[] args) {14		Employee employee1 = new Employee(1, "john", "manager");15		Employee employee2 = new Employee(1, "john", "manager");16		assertThat(employee1).isEqualTo(employee2);17	}18}19package org.jnit.assertions;20import static org.assertj.core.api.Assertions.assertThat;21public class AssertClassExample {22	public static void main(String[] args) {23		Employee employee1 = new Employee(1, "john", "manager");24		Employee employee2 = new Employee(1, "john", "manager");25		assertThat(employee1).isEqualTo(employee2);26	}27}28package org.jnit.assertions;29import static org.assertj.core.api.Assertions.assertThat;30public class AssertClassExample {31	public static void main(String[] args) {32		Employee employee1 = new Employee(1, "john", "manager");33		Employee employee2 = new Employee(1, "john", "manager");34		assertThat(employee1).isEqualTo(employee2);35	}36}37package org.jnit.assertions;38import static org.assertj.core.api.Assertions.assertThat;39public class AssertClassExample {40	public static void main(String[] args) {41		Employee employee1 = new Employee(1, "john", "manager");42		Employee employee2 = new Employee(1, "john", "manager");

Automation Testing Tutorials

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