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

How to use invoke_api_method method of org.assertj.core.api.abstract.AbstractAssert_isNull_Test class

Best Assertj code snippet using org.assertj.core.api.abstract.AbstractAssert_isNull_Test.invoke_api_method

Source:BaseTestTemplate.java

...60    assertions.conditions = conditions;61  }62  @Test63  public void should_have_internal_effects() {64    invoke_api_method();65    verify_internal_effects();66  }67  /**68   * For the few API methods that don't return {@code this}, override this method to do nothing (see69   * {@link AbstractAssert_isNull_Test#should_return_this()} for an example).70   */71  @Test72  public void should_return_this() {73    S returned = invoke_api_method();74    assertThat(returned).isSameAs(assertions);75  }76  protected AssertionInfo getInfo(S someAssertions) {77    return someAssertions.info;78  }79  protected AssertionInfo info() {80    return getInfo(assertions);81  }82  protected A getActual(S someAssertions) {83    return someAssertions.actual;84  }85  protected Objects getObjects(S someAssertions) {86    return someAssertions.objects;87  }88  /**89   * Invokes the API method under test.90   *91   * @return the assertion object that is returned by the method. If the method is {@code void}, return {@code null} and override92   *         {@link #should_return_this()}.93   */94  protected abstract S invoke_api_method();95  /**96   * Verifies that invoking the API method had the expected effects (usually, setting some internal state or invoking an internal97   * object).98   */99  protected abstract void verify_internal_effects();100}...

invoke_api_method

Using AI Code Generation

1package org.assertj.core.api.abstract;2import org.assertj.core.api.AbstractAssert;3import org.junit.Test;4import org.junit.runner.RunWith;5import org.mockito.Mock;6import org.mockito.runners.MockitoJUnitRunner;7@RunWith(MockitoJUnitRunner.class)8public class AbstractAssert_isNull_Test {9    private AbstractAssert<?, ?> abstractAssert;10    public void test() {11        abstractAssert.isNull();12    }13}14package org.assertj.core.api.abstract;15import org.assertj.core.api.AbstractAssert;16import org.junit.Test;17import org.junit.runner.RunWith;18import org.mockito.Mock;19import org.mockito.junit.MockitoJUnitRunner;20@RunWith(MockitoJUnitRunner.class)21public class AbstractAssert_isNull_Test {22    private AbstractAssert<?, ?> abstractAssert;23    public void test() {24        abstractAssert.isNull();25    }26}27package org.assertj.core.api.abstract;28import org.assertj.core.api.AbstractAssert;29import org.junit.jupiter.api.Test;30import org.junit.jupiter.api.extension.ExtendWith;31import org.mockito.Mock;32import org.mockito.junit.jupiter.MockitoExtension;33@ExtendWith(MockitoExtension.class)34public class AbstractAssert_isNull_Test {35    private AbstractAssert<?, ?> abstractAssert;36    public void test() {37        abstractAssert.isNull();38    }39}40package org.assertj.core.api.abstract;41import org.assertj.core.api.AbstractAssert;42import org.junit.Test;43import org.junit.runner.RunWith;44import org.mockito.Mock;45import org.mockito.runners.MockitoJUnitRunner;46@RunWith(MockitoJUnitRunner.class)47public class AbstractAssert_isNull_Test {48    private AbstractAssert<?, ?> abstractAssert;49    public void test() {50        abstractAssert.isNull();51    }52}53package org.assertj.core.api.abstract;54import org.assertj.core.api.AbstractAssert;

invoke_api_method

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert_isNull_Test;2import org.assertj.core.api.AbstractAssert_isNull_Test.*;3import org.junit.Test;4public class InvokeAPIMethodTest {5	public void test() {6		AbstractAssert_isNull_Test abstractAssert_isNull_Test = new AbstractAssert_isNull_Test();7		abstractAssert_isNull_Test.invoke_api_method();8	}9}

invoke_api_method

Using AI Code Generation

1public class AbstractAssert_isNull_Test {2  public void should_pass_if_actual_is_null() {3    Object actual = null;4    assertThat(actual).isNull();5    verify(failures).failure(info, shouldBeNull(actual));6  }7  public void should_fail_if_actual_is_not_null() {8    Object actual = new Object();9    try {10      assertThat(actual).isNull();11    } catch (AssertionError e) {12      verify(failures).failure(info, shouldBeNull(actual));13      return;14    }15    failBecauseExpectedAssertionErrorWasNotThrown();16  }17  public void should_fail_and_display_description_of_assertion_if_actual_is_not_null() {18    Object actual = new Object();19    try {20      assertThat(actual).as("test description").isNull();21    } catch (AssertionError e) {22      verify(failures).failure(info, shouldBeNull(actual));23      return;24    }25    failBecauseExpectedAssertionErrorWasNotThrown();26  }27  public void should_fail_with_custom_message_if_actual_is_not_null() {28    Object actual = new Object();29    try {30      assertThat(actual).overridingErrorMessage("my custom message").isNull();31    } catch (AssertionError e) {32      verify(failures).failure(info, shouldBeNull(actual));33      return;34    }35    failBecauseExpectedAssertionErrorWasNotThrown();36  }37  public void should_fail_with_custom_message_ignoring_description_of_assertion_if_actual_is_not_null() {38    Object actual = new Object();39    try {40      assertThat(actual).as("test description").overridingErrorMessage("my custom message").isNull();41    } catch (AssertionError e) {42      verify(failures).failure(info, shouldBeNull(actual));43      return;44    }45    failBecauseExpectedAssertionErrorWasNotThrown();46  }47}48public class AbstractAssert_isNotNull_Test {

invoke_api_method

Using AI Code Generation

1package org.assertj.core.api;2import static org.assertj.core.api.Assertions.*;3import org.junit.Test;4public class AbstractAssert_isNull_Test {5	public void invoke_api_method() {6		AbstractAssert<?,?> abstractAssert = null;7		abstractAssert = abstractAssert.isNull();8	}9}

invoke_api_method

Using AI Code Generation

1package org.assertj.core.api.abstract_;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.util.FailureMessages.actualIsNull;5import static org.mockito.Mockito.verify;6import org.assertj.core.api.AbstractAssert;7import org.assertj.core.api.AbstractAssertBaseTest;8import org.junit.jupiter.api.Test;9class AbstractAssert_isNull_Test extends AbstractAssertBaseTest {10  void should_pass_if_actual_is_null() {11    assertions.isNull();12  }13  void should_fail_if_actual_is_not_null() {14    Object notNull = new Object();15    Throwable thrown = catchThrowable(() -> assertThat(notNull).isNull());16    assertThat(thrown).isInstanceOf(AssertionError.class);17    assertThat(thrown).hasMessage(actualIsNull());18  }19  void should_fail_and_display_description_of_assertion_if_actual_is_not_null() {20    Object notNull = new Object();21    Throwable thrown = catchThrowable(() -> assertThat(notNull).as("test description").isNull());22    assertThat(thrown).isInstanceOf(AssertionError.class);23    assertThat(thrown).hasMessage("[test description] %nExpecting:%n <java.lang.Object@%s>%nto be equal to:%n <null>%nbut was not.");24  }25  void should_fail_with_custom_message_if_actual_is_not_null() {26    Object notNull = new Object();27    Throwable thrown = catchThrowable(() -> assertThat(notNull).overridingErrorMessage("my custom message").isNull());28    assertThat(thrown).isInstanceOf(AssertionError.class);29    assertThat(thrown).hasMessage("my

invoke_api_method

Using AI Code Generation

1package org.assertj.core.api.abstract;2import com.github.javaparser.ast.body.MethodDeclaration;3import com.github.javaparser.ast.body.TypeDeclaration;4import com.github.javaparser.ast.expr.MethodCallExpr;5import com.github.javaparser.ast.expr.NameExpr;6import com.github.javaparser.ast.expr.NullLiteralExpr;7import com.github.javaparser.ast.expr.SimpleName;8import com.github.javaparser.ast.type.ClassOrInterfaceType;9import com.github.javaparser.ast.type.PrimitiveType;10import com.github.javaparser.ast.type.Type;11import com.github.javaparser.ast.visitor.VoidVisitorAdapter;12import org.assertj.core.api.AbstractAssert_isNull_Test;13import org.assertj.core.api.AbstractAssert_isNull_TestBase;14import org.assertj.core.api.AbstractAssert_isNull_TestBase.BaseTest;15import org.assertj.core.api.Assertions;16import org.testng.annotations.BeforeMethod;17import org.testng.annotations.DataProvider;18import org.testng.annotations.Test;19import java.util.ArrayList;20import java.util.List;21public class AbstractAssert_isNull_Test extends AbstractAssert_isNull_TestBase {22    private List<MethodDeclaration> methodDeclarations;23    private List<MethodCallExpr> methodCallExprs;24    public void setUp() {25        methodDeclarations = new ArrayList<>();26        methodCallExprs = new ArrayList<>();27    }28    public static Object[][] data_isNull() {29        return new Object[][] {30                { "assertThat(new Object()).isNull()", "assertThat(new Object()).isNull()" },31                { "assertThat(new Object()).isNull()", "assertThat(new Object()).isNull()" },32                { "assertThat(new Object()).isNull()", "assertThat(new Object()).isNull()" },33                { "assertThat(new Object()).isNull()", "assertThat(new Object()).isNull()" },34                { "assertThat(new Object()).isNull()", "assertThat(new Object()).isNull()" } };35    }36    @Test(dataProvider = "data_isNull")37    public void test_isNull(String actual, String expected) {38        setUpTest(actual);39        invoke_api_method();40        verify_internal_effects();41    }42    private void setUpTest(String actual) {43        this.actual = actual;44        this.expected = actual;45    }46    private void invoke_api_method() {

invoke_api_method

Using AI Code Generation

1package org.assertj.core.api.abstract_;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldBeNull.shouldBeNull;4import static org.assertj.core.util.AssertionsUtil.expectAssertionError;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import org.assertj.core.api.AbstractAssert;7import org.assertj.core.api.AbstractAssert_isNull_Test;8import org.junit.jupiter.api.DisplayName;9import org.junit.jupiter.api.Test;10class AbstractAssert_isNull_Test {11  @DisplayName("should_pass_if_actual_is_null")12  void should_pass_if_actual_is_null() {13    assertThat((String) null).isNull();14  }15  @DisplayName("should_fail_if_actual_is_not_null")16  void should_fail_if_actual_is_not_null() {17    String actual = "not null";18    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isNull());19    assertThat(assertionError).hasMessage(shouldBeNull(actual).create());20  }21  @DisplayName("should_fail_if_actual_is_null")22  void should_fail_if_actual_is_null() {23    Object actual = null;24    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isNull());25    assertThat(assertionError).hasMessage(actualIsNull());26  }27  @DisplayName("should_fail_if_actual_is_null_with_message")28  void should_fail_if_actual_is_null_with_message() {29    Object actual = null;30    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isNull("message"));31    assertThat(assertionError).hasMessage("message");32  }33  @DisplayName("should_fail_if_actual_is_null_with_message_supplier")34  void should_fail_if_actual_is_null_with_message_supplier() {35    Object actual = null;36    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isNull(() -> "message"));37    assertThat(assertionError).hasMessage("message");38  }39  @DisplayName("should_fail_if_actual_is_null_with_message

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.