Migrate to Neodymium 5

Migration guide for Neodymium 5.

This page lists the significant milestones of Neodymium 5, including support for JUnit 5 and Selenium 4 / Selenide 6 or above. Upgrading to Neodymium 5 involves a few necessary steps to ensure compatibility with existing projects.

1. Requirements

Please note that Neodymium 5 requires Java 17 (JDK 17). Ensure your development environment is updated accordingly.

2. General changes in POM

If the project is based on the neodymium-template, update the properties in the pom.xml as follows:

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <surefire.version>3.2.5</surefire.version>
        <aspectj.version>1.9.21</aspectj.version>
        <allure.version>2.12.0</allure.version>
        <neodymium.version>5.0.0</neodymium.version>
    </properties>

In case of a custom project structure, follow these instructions:

  1. Update Neodymium dependency to version 5.0.0.
  2. Update Maven Compiler to version 17 as Neodymium now requires Java 17.
  3. Update Maven Surefire Plugin to version 3.2.5 (or higher; anything above 3.0.0-M5 is required).
  4. Update AspectJ Weaver to version 1.9.21 (or higher; anything above 1.9.19 is required).
  5. Update Allure to version 2.12.0.

Important: allure version and allure report version don’t have to match! You can use the latest (2.27.0 for now) report version to have good-looking reports To use different allure report version adjust allure plugin to:

    <plugin>
        <groupId>io.qameta.allure</groupId>
        <artifactId>allure-maven</artifactId>
        <version>${allure.version}</version>
        <configuration>
            <reportVersion>2.27.0</reportVersion>
        </configuration>
    </plugin>

3. Changes in Selenide assertions

The now used Selenide version contains the following changes that may have impact on your project:

  • The waitUntil and waitWhile methods were replaced with extended should/shouldNot/shouldBe/shouldHave/etc. methods, which now accept a different implicit waiting time as a java.time.Duration object. For example, waitUntil(visible, 9000) must be replaced with shouldBe(visible, Duration.ofMillis(9000)).

  • The shouldHaveSize method for collections was removed. It can be replaced with the more general shouldHave method (e.g., shouldHave(CollectionCondition.size(n))).

  • The getSelectedText() method has been renamed to getSelectedOptionText().

4. Changes that might be required for your CI/CD (esp. Jenkins)

The Allure version used in Neodymium is incompatible with Allure Commandline Tools versions below 2.27.0. If you use the Allure Commandline tool to generate reports, you must update it.

If you use the Allure Report plugin in Jenkins to generate and store reports, please note that the plugin uses the commandline tool. You not only need to update the plugin but also configure the commandline version in the global tool configuration, as shown below:

Setting the Allure Commandline version in Jenkins.

5. Changes required if you want to stay with JUnit 4 but with Neodymium 5

While JUnit 5 introduces many useful features, migrating tests is not mandatory. Users can continue using JUnit 4 if preferred due to compatibility or other reasons.

However, some changes to your project configuration are still required.

5.1 Changes in POM

Include the JUnit 4 Vintage Engine as a dependency for the Maven Surefire Plugin in your pom.xml. If you are using the neodymium-template, this should be placed right after the AspectJ dependency.

    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>${surefire.version}</version>
        <configuration>
            <forkCount>2</forkCount>
            <!-- our test case naming does not follow Maven naming conventions -->
            <includes>
                <include>posters/tests/**/*Test.java</include>
            </includes>
            <testFailureIgnore>true</testFailureIgnore>
            <argLine>
                -javaagent:"${settings.localRepository}/org/aspectj/aspectjweaver/${aspectj.version}/aspectjweaver-${aspectj.version}.jar"
            </argLine>
            <properties>
                <property>
                    <name>listener</name>
                    <value>io.qameta.allure.junit4.AllureJunit4</value>
                </property>
            </properties>
            <systemPropertyVariables>
                <allure.results.directory>${project.build.directory}/allure-results</allure.results.directory>
                <allure.link.issue.pattern>https://ask.xceptance.de/t/{}</allure.link.issue.pattern>
                <allure.link.tms.pattern>https://ask.xceptance.de/t/{}</allure.link.tms.pattern>
                <selenide.reports>${project.build.directory}/selenide-results</selenide.reports>
            </systemPropertyVariables>
        </configuration>
        <dependencies>
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>${aspectj.version}</version>
            </dependency>
            <dependency>
                <groupId>org.junit.vintage</groupId>
                <artifactId>junit-vintage-engine</artifactId>
                <version>5.10.2</version>
            </dependency>
        </dependencies>
    </plugin>

5.2 Changes in imports

As Neodymium 5 now supports both JUnit4 and JUnit5 but the offered sugar is mutual for both implementations, many classes were moved to different packages:

  • com.xceptance.neodymium.module.statement.browser.multibrowser.Browser moved to com.xceptance.neodymium.common.browser.Browser
  • com.xceptance.neodymium.module.statement.browser.multibrowser.SuppressBrowser moved to com.xceptance.neodymium.common.browser.SuppressBrowser
  • com.xceptance.neodymium.module.statement.testdata.DataFile moved to com.xceptance.neodymium.common.testdata.DataFile
  • com.xceptance.neodymium.module.statement.testdata.DataSet moved to com.xceptance.neodymium.common.testdata.DataSet
  • com.xceptance.neodymium.module.statement.testdata.SuppressDataSet moved to com.xceptance.neodymium.common.testdata.SuppressDataSet
  • com.xceptance.neodymium.NeodymiumRunner moved to com.xceptance.neodymium.junit4.NeodymiumRunner (for JUnit4 version only)

Please update your imports to ensure your project compiles correctly. This step is also required if you plan to switch to JUnit 5.

5.3 Example test with JUnit4

import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;

import com.xceptance.neodymium.common.browser.Browser;
import com.xceptance.neodymium.junit4.NeodymiumRunner;

@RunWith(NeodymiumRunner.class)
@Browser("Chrome_1400x1000")
public class HomePageTest
{
    @Test
    public void testWithJunit4AndNeo5()
    {
        // put your test code here
    }
}

6. Steps to update to JUnit5

If you decide to migrate to JUnit 5, you can take advantage of its modern features. JUnit 5 uses Extensions, making it easier to customize test execution. Neodymium’s features have been adapted to work seamlessly with this new model.

Here are the key things you need to know:

  • Annotations: JUnit 5 focuses on method-level annotations. New annotations include @TestTemplate, @ParameterizedTest, and @RepeatedTest. @NeodymiumTest was introduced for tests driven by Neodymium. Unlike JUnit 4, where the class was annotated with @RunWith(NeodymiumRunner.class), the test method is now simply annotated with @NeodymiumTest. This allows mixing Neodymium tests and standard JUnit tests in the same class.

  • Extensions: JUnit 5 replaces Rules with @ExtendWith and the Extension API. If you need to use a Neodymium feature that was previously a rule, simply annotate the class or method. For example, to use soft assertions, annotate the class with @ExtendWith(SoftAssertsExtension.class) and enable soft mode as needed ( Configuration.assertionMode = AssertionMode.SOFT;).

  • Annotation Replacements:

    • @Before -> @BeforeEach
    • @After -> @AfterEach
    • @BeforeClass -> @BeforeAll
    • @AfterClass -> @AfterAll
    • @Ignore -> @Disabled

6.1 Example test with JUnit5

import com.xceptance.neodymium.common.browser.Browser;
import com.xceptance.neodymium.junit5.NeodymiumTest;

@Browser("Chrome_1400x1000")
public class HomePageTest
{
    @NeodymiumTest
    public void testWithJunit5AndNeo5()
    {
        // put your test code here
    }
}
Last modified February 18, 2026: remove numbers from filenames (27bdd4a5)