TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use ArgumentsAreDifferent class of org.mockito.exceptions.verification.opentest4j package

Best Mockito code snippet using org.mockito.exceptions.verification.opentest4j.ArgumentsAreDifferent

Source:ExceptionFactory.java

2 * Copyright (c) 2007 Mockito contributors3 * This program is made available under the terms of the MIT License.4 */5package org.mockito.internal.junit;6import org.mockito.exceptions.verification.ArgumentsAreDifferent;7public class ExceptionFactory {8    private ExceptionFactory() {}9    private static interface ExceptionFactoryImpl {10        AssertionError create(String message, String wanted, String actual);11    }12    private static final ExceptionFactoryImpl factory;13    static {14        ExceptionFactoryImpl theFactory = null;15        try {16            Class.forName("org.opentest4j.AssertionFailedError");17            theFactory = org.mockito.exceptions.verification.opentest4j.ArgumentsAreDifferent::new;18        } catch (ClassNotFoundException onlyIfOpenTestIsNotAvailable) {19            try {20                Class.forName("junit.framework.ComparisonFailure");21                theFactory = org.mockito.exceptions.verification.junit.ArgumentsAreDifferent::new;22            } catch (ClassNotFoundException onlyIfJUnitIsNotAvailable) {23            }24        }25        factory = (theFactory == null) ? ArgumentsAreDifferent::new : theFactory;26    }27    /**28     * Returns an AssertionError that describes the fact that the arguments of an invocation are different.29     * If {@link org.opentest4j.AssertionFailedError} is on the class path (used by JUnit 5 and others),30     * it returns a class that extends it. Otherwise, if {@link junit.framework.ComparisonFailure} is on the31     * class path (shipped with JUnit 3 and 4), it will return a class that extends that. This provides32     * better IDE support as the comparison result can be opened in a visual diff. If neither are available,33     * it returns an instance of34     * {@link org.mockito.exceptions.verification.ArgumentsAreDifferent}.35     */36    public static AssertionError createArgumentsAreDifferentException(37            String message, String wanted, String actual) {38        return factory.create(message, wanted, actual);39    }40}...

ArgumentsAreDifferent

Using AI Code Generation

1assertThatThrownBy(() -> {2    List<String> mockedList = mock(List.class);3    mockedList.add("one");4    mockedList.add("two");5    verify(mockedList).add("three");6}).isInstanceOf(ArgumentsAreDifferent.class)7    .hasMessageContaining("three")8    .hasMessageContaining("one")9    .hasMessageContaining("two");10assertThatThrownBy(() -> {11    List<String> mockedList = mock(List.class);12    mockedList.add("one");13    mockedList.add("two");14    verify(mockedList, times(2)).add("one");15}).isInstanceOf(ArgumentsAreDifferent.class)16    .hasMessageContaining("one")17    .hasMessageContaining("two")18    .hasMessageContaining("Wanted 2 times")19    .hasMessageContaining("But was 1 time");20assertThatThrownBy(() -> {21    List<String> mockedList = mock(List.class);22    mockedList.add("one");23    mockedList.add("two");24    verify(mockedList, times(2)).add(anyString());25}).isInstanceOf(ArgumentsAreDifferent.class)26    .hasMessageContaining("one")27    .hasMessageContaining("two")28    .hasMessageContaining("Wanted 2 times")29    .hasMessageContaining("But was 1 time");30assertThatThrownBy(() -> {31    List<String> mockedList = mock(List.class);32    mockedList.add("one");33    mockedList.add("two");34    verify(mockedList, times(2)).add(anyString());35}).isInstanceOf(ArgumentsAreDifferent.class)36    .hasMessageContaining("one")37    .hasMessageContaining("two")38    .hasMessageContaining("Wanted 2 times")39    .hasMessageContaining("But was 1 time");40assertThatThrownBy(() -> {41    List<String> mockedList = mock(List.class);42    mockedList.add("one");43    mockedList.add("two");44    verify(mockedList, times(2)).add(anyString());45}).isInstanceOf(ArgumentsAreDifferent.class)46    .hasMessageContaining("one")47    .hasMessageContaining("two")48    .hasMessageContaining("Wanted 2 times")49    .hasMessageContaining("But was 1 time");50assertThatThrownBy(() -> {51    List<String> mockedList = mock(List.class);52    mockedList.add("one");53    mockedList.add("two");54    verify(mockedList, times(2)).add(anyString());55}).isInstanceOf

ArgumentsAreDifferent

Using AI Code Generation

1package com.surya.mockito;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.extension.ExtendWith;4import org.mockito.Mock;5import org.mockito.junit.jupiter.MockitoExtension;6import org.mockito.exceptions.verification.opentest4j.ArgumentsAreDifferent;7import static org.junit.jupiter.api.Assertions.assertThrows;8import static org.mockito.Mockito.when;9@ExtendWith(MockitoExtension.class)10class MockitoExceptionTest {11    private Person person;12    void givenPerson_whenFirstNameAndLastNameAreDifferent_thenArgumentsAreDifferentException() {13        when(person.getFirstName()).thenReturn("John");14        when(person.getLastName()).thenReturn("Doe");15        assertThrows(ArgumentsAreDifferent.class, () -> {16            person.getFirstName();17            person.getLastName();18        });19    }20}21package com.surya.mockito;22class Person {23    private String firstName;24    private String lastName;25    public String getFirstName() {26        return firstName;27    }28    public void setFirstName(String firstName) {29        this.firstName = firstName;30    }31    public String getLastName() {32        return lastName;33    }34    public void setLastName(String lastName) {35        this.lastName = lastName;36    }37}38void givenPerson_whenFirstNameAndLastNameAreDifferent_thenArgumentsAreDifferentException() {39    when(person.getFirstName()).thenReturn("John");40    when(person.getLastName()).thenReturn("Doe");41    assertThrows(ArgumentsAreDifferent.class, () -> {42        person.getFirstName();43        person.getLastName();44    });45}46This is because the ArgumentsAreDifferent exception is a subclass of AssertionError and not Exception . So, we need to use assertThrows() method of JUnit 5 to test it. The following code will work:47assertThrows(ArgumentsAreDifferent.class, () -> {48    person.getFirstName();49    person.getLastName();50});51person.getFirstName();52-> at com.surya.mockito.MockitoExceptionTest.givenPerson_whenFirstNameAndLastNameAreDifferent_thenArgumentsAreDifferentException(MockitoExceptionTest.java:19)53person.getLastName();54-> at com.surya.mockito.Person.getLastName(Person.java:

ArgumentsAreDifferent

Using AI Code Generation

1public String getMonthName(int monthNumber) {2    String monthName = "";3    switch (monthNumber) {4            monthName = "January";5            break;6            monthName = "February";7            break;8            monthName = "March";9            break;10            monthName = "April";11            break;12            monthName = "May";13            break;14            monthName = "June";15            break;16            monthName = "July";17            break;18            monthName = "August";19            break;20            monthName = "September";21            break;22            monthName = "October";23            break;24            monthName = "November";25            break;

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.