How to use newInstance method of org.assertj.core.error.ConstructorInvoker class

Best Assertj code snippet using org.assertj.core.error.ConstructorInvoker.newInstance

Source:Throwables.java

...46    /**47     * Removes the AssertJ-related elements from the <code>{@link Throwable}</code> stack trace that have little value for48     * end user. Therefore, instead of seeing this:49     * <pre><code class='java'> org.junit.ComparisonFailure: expected:&lt;'[Ronaldo]'&gt; but was:&lt;'[Messi]'&gt;50     *   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)51     *   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)52     *   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)53     *   at java.lang.reflect.Constructor.newInstance(Constructor.java:501)54     *   at org.assertj.core.error.ConstructorInvoker.newInstance(ConstructorInvoker.java:34)55     *   at org.assertj.core.error.ShouldBeEqual.newComparisonFailure(ShouldBeEqual.java:111)56     *   at org.assertj.core.error.ShouldBeEqual.comparisonFailure(ShouldBeEqual.java:103)57     *   at org.assertj.core.error.ShouldBeEqual.newAssertionError(ShouldBeEqual.java:81)58     *   at org.assertj.core.internal.Failures.failure(Failures.java:76)59     *   at org.assertj.core.internal.Objects.assertEqual(Objects.java:116)60     *   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:74)61     *   at examples.StackTraceFilterExample.main(StackTraceFilterExample.java:13)</code></pre>62     * <p>63     * We get this:64     * <pre><code class='java'> org.junit.ComparisonFailure: expected:&lt;'[Ronaldo]'&gt; but was:&lt;'[Messi]'&gt;65     *   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)66     *   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)67     *   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)68     *   at examples.StackTraceFilterExample.main(StackTraceFilterExample.java:20)</code></pre>69     *70     * @param throwable the {@code Throwable} to filter stack trace.71     */72    public static void removeAssertJRelatedElementsFromStackTrace(final Throwable throwable) {73        List<StackTraceElement> filtered = newArrayList(throwable.getStackTrace());74        StackTraceElement previous = null;75        for (StackTraceElement element : throwable.getStackTrace()) {76            if (element.getClassName().contains(ORG_ASSERTJ)) {77                filtered.remove(element);78                // Handle the case when AssertJ builds a ComparisonFailure by reflection (see ShouldBeEqual.newAssertionError79                // method), the stack trace looks like:80                //81                // java.lang.reflect.Constructor.newInstance(Constructor.java:501),82                // org.assertj.core.error.ConstructorInvoker.newInstance(ConstructorInvoker.java:34),83                //84                // We want to remove java.lang.reflect.Constructor.newInstance element because it is related to AssertJ.85                if (previous != null && JAVA_LANG_REFLECT_CONSTRUCTOR.equals(previous.getClassName())86                    && element.getClassName().contains(ORG_ASSERTJ_CORE_ERROR_CONSTRUCTOR_INVOKER)) {87                    filtered.remove(previous);88                }89            }90            previous = element;91        }92        StackTraceElement[] newStackTrace = filtered.toArray(new StackTraceElement[filtered.size()]);93        throwable.setStackTrace(newStackTrace);94    }95    /**96     * Get the root cause (ie the last non null cause) from a {@link Throwable}.97     *98     * @param throwable the {@code Throwable} to get root cause from....

Source:ShouldBeEqual_newAssertionError_without_JUnit_and_OTA4J_Test.java

...49  }50  @Test51  void should_create_AssertionError_if_created_ComparisonFailure_and_AssertionFailedError_is_null() throws Exception {52    // GIVEN53    given(constructorInvoker.newInstance(anyString(), any(Class[].class), any(Object[].class))).willReturn(null);54    // WHEN55    AssertionError error = factory.newAssertionError(description, STANDARD_REPRESENTATION);56    // THEN57    check(error);58  }59  @Test60  void should_create_AssertionError_if_error_is_thrown_when_creating_ComparisonFailure() throws Exception {61    // GIVEN62    given(constructorInvoker.newInstance(anyString(), any(Class[].class),63                                         any(Object[].class))).willThrow(new AssertionError("Thrown on purpose"));64    // WHEN65    AssertionError error = factory.newAssertionError(description, STANDARD_REPRESENTATION);66    // THEN67    check(error);68  }69  private void check(AssertionError error) throws Exception {70    verify(constructorInvoker, times(2)).newInstance(AssertionFailedError.class.getName(),71                                                     array(String.class, Object.class, Object.class),72                                                     format("[Jedi] %n" +73                                                            "expected: \"Yoda\"%n" +74                                                            " but was: \"Luke\""),75                                                     STANDARD_REPRESENTATION.toStringOf("Yoda"),76                                                     STANDARD_REPRESENTATION.toStringOf("Luke"));77    verify(constructorInvoker).newInstance(ComparisonFailure.class.getName(),78                                           new Class<?>[] { String.class, String.class, String.class },79                                           "[Jedi]",80                                           STANDARD_REPRESENTATION.toStringOf("Yoda"),81                                           STANDARD_REPRESENTATION.toStringOf("Luke"));82    assertThat(error).isNotInstanceOfAny(ComparisonFailure.class, AssertionFailedError.class)83                     .hasMessage(format("[Jedi] %n" +84                                        "expected: \"Yoda\"%n" +85                                        " but was: \"Luke\""));86  }87}...

newInstance

Using AI Code Generation

1import org.assertj.core.error.ConstructorInvoker;2import java.lang.reflect.InvocationTargetException;3public class 1 {4  public static void main(String[] args) throws Exception {5    ConstructorInvoker ci = new ConstructorInvoker(1.class.getConstructor());6    try {7      ci.newInstance();8    } catch (InvocationTargetException e) {9      e.printStackTrace();10    }11  }12}13import org.assertj.core.error.ConstructorInvoker;14import java.lang.reflect.InvocationTargetException;15public class 2 {16  public static void main(String[] args) throws Exception {17    ConstructorInvoker ci = new ConstructorInvoker(2.class.getConstructor());18    try {19      ci.newInstance();20    } catch (InvocationTargetException e) {21      e.printStackTrace();22    }23  }24}25import org.assertj.core.error.ConstructorInvoker;26import java.lang.reflect.InvocationTargetException;27public class 3 {28  public static void main(String[] args) throws Exception {29    ConstructorInvoker ci = new ConstructorInvoker(3.class.getConstructor());30    try {31      ci.newInstance();32    } catch (InvocationTargetException e) {33      e.printStackTrace();34    }35  }36}37import org.assertj.core.error.ConstructorInvoker;38import java.lang.reflect.InvocationTargetException;39public class 4 {40  public static void main(String[] args) throws Exception {41    ConstructorInvoker ci = new ConstructorInvoker(4.class.getConstructor());42    try {43      ci.newInstance();44    } catch (InvocationTargetException e) {45      e.printStackTrace();46    }47  }48}49import org.assertj.core.error.ConstructorInvoker;50import java.lang.reflect.InvocationTargetException;51public class 5 {52  public static void main(String[] args) throws Exception {53    ConstructorInvoker ci = new ConstructorInvoker(5.class.getConstructor());54    try {55      ci.newInstance();56    } catch (InvocationTargetException e) {57      e.printStackTrace();58    }59  }60}61import org.assertj.core.error.ConstructorInvoker;62import java.lang.reflect.InvocationTargetException;

newInstance

Using AI Code Generation

1package com.puppycrawl.tools.checkstyle.checks.coding;2import org.assertj.core.error.ConstructorInvoker;3import java.lang.reflect.InvocationTargetException;4public class InputIllegalThrowsCheck {5    public static void main(String[] args) throws Exception {6        try {7            ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.coding."8                    + "IllegalThrowsCheck", new Class[] {String.class, String.class},9                    new Object[] {"test", "test"});10        }11        catch (InvocationTargetException ex) {12            System.out.println("Exception caught");13        }14    }15}16package com.puppycrawl.tools.checkstyle.checks.coding;17import org.assertj.core.error.ConstructorInvoker;18import java.lang.reflect.InvocationTargetException;19public class InputIllegalThrowsCheck {20    public static void main(String[] args) throws Exception {21        try {22            ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.coding."23                    + "IllegalThrowsCheck", new Class[] {String.class, String.class},24                    new Object[] {"test", "test"});25        }26        catch (InvocationTargetException ex) {27            System.out.println("Exception caught");28        }29    }30}

newInstance

Using AI Code Generation

1package com.puppycrawl.tools.checkstyle.checks.javadoc;2import org.assertj.core.error.ConstructorInvoker;3public class InputAssertjErrorConstructorInvoker {4    public static void main(String[] args) {5        ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck", null, null);6    }7}8package com.puppycrawl.tools.checkstyle.checks.javadoc;9import org.assertj.core.error.ConstructorInvoker;10public class InputAssertjErrorConstructorInvoker2 {11    public static void main(String[] args) {12        ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck", null, null);13    }14}15package com.puppycrawl.tools.checkstyle.checks.javadoc;16import org.assertj.core.error.ConstructorInvoker;17public class InputAssertjErrorConstructorInvoker3 {18    public static void main(String[] args) {19        ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck", null, null);20    }21}22package com.puppycrawl.tools.checkstyle.checks.javadoc;23import org.assertj.core.error.ConstructorInvoker;24public class InputAssertjErrorConstructorInvoker4 {25    public static void main(String[] args) {26        ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck", null, null);27    }28}29package com.puppycrawl.tools.checkstyle.checks.javadoc;30import org.assertj.core.error.ConstructorInvoker;31public class InputAssertjErrorConstructorInvoker5 {32    public static void main(String[] args) {33        ConstructorInvoker.newInstance("com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocPackageCheck", null, null);34    }35}36package com.puppycrawl.tools.checkstyle.checks.javadoc;37import org.assertj.core.error.ConstructorInvoker;38public class InputAssertjErrorConstructorInvoker6 {

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.