Try JUnit 6

compatibility/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <hamcrest.version>3.0</hamcrest.version>
         <jackson.version>2.20.0</jackson.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <project.Automatic-Module-Name>io.cucumber.compatibility</project.Automatic-Module-Name>
     </properties>
 

cucumber-archetype/pom.xml

@@ -15,9 +15,9 @@
     <description>Cucumber JVM: Maven Archetype</description>
 
     <properties>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <assertj.version>3.27.6</assertj.version>
-        <maven-compiler-plugin.version>3.14.1</maven-compiler-plugin.version>
+        <maven-compiler-plugin.version>3.14.0</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
     </properties>
 

cucumber-cdi2/pom.xml

@@ -7,7 +7,7 @@
         <openwebbeans.version>2.0.28</openwebbeans.version>
         <weld-se-core.version>3.1.9.Final</weld-se-core.version>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <hamcrest.version>2.2</hamcrest.version>
     </properties>
 

cucumber-core/pom.xml

@@ -16,7 +16,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <jackson.version>2.20.0</jackson.version>
         <jsoup.version>1.21.2</jsoup.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <xmlunit.version>2.10.4</xmlunit.version>
         <hamcrest.version>3.0</hamcrest.version>
         <hamcrest-json.version>0.2</hamcrest-json.version>

cucumber-deltaspike/pom.xml

@@ -16,7 +16,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <cdi-api.version>2.0.SP1</cdi-api.version>
         <deltaspike.version>1.9.6</deltaspike.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <project.Automatic-Module-Name>io.cucumber.deltaspike</project.Automatic-Module-Name>
     </properties>
 

cucumber-gherkin-messages/pom.xml

@@ -8,7 +8,7 @@
     </parent>
 
     <properties>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <project.Automatic-Module-Name>io.cucumber.core.gherkin.messages</project.Automatic-Module-Name>
     </properties>
 

cucumber-gherkin/pom.xml

@@ -8,7 +8,7 @@
     </parent>
 
     <properties>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <project.Automatic-Module-Name>io.cucumber.core.gherkin</project.Automatic-Module-Name>
     </properties>
 

cucumber-guice/pom.xml

@@ -15,7 +15,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <guice.version>7.0.0</guice.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <project.Automatic-Module-Name>io.cucumber.guice</project.Automatic-Module-Name>
         <mockito.version>5.20.0</mockito.version>
     </properties>

cucumber-jakarta-cdi/pom.xml

@@ -6,7 +6,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <jakarta.enterprise.cdi-api.version>4.1.0</jakarta.enterprise.cdi-api.version>
         <jakarta.activation-api.version>2.1.4</jakarta.activation-api.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <hamcrest.version>3.0</hamcrest.version>
         <weld.version>5.1.6.Final</weld.version>
     </properties>

cucumber-jakarta-openejb/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <openejb-core.version>9.1.3</openejb-core.version>
         <project.Automatic-Module-Name>io.cucumber.jakarta.openejb</project.Automatic-Module-Name>
     </properties>

cucumber-java/pom.xml

@@ -16,7 +16,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
         <jackson.version>2.20.0</jackson.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <mockito.version>5.20.0</mockito.version>
     </properties>
 

cucumber-java8/pom.xml

@@ -15,7 +15,7 @@
         <project.Automatic-Module-Name>io.cucumber.java8</project.Automatic-Module-Name>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <mockito.version>5.20.0</mockito.version>
         <typetools.version>0.6.3</typetools.version>
     </properties>

cucumber-junit-platform-engine/pom.xml

@@ -13,7 +13,7 @@
 
     <properties>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
     </properties>
 
     <dependencyManagement>
@@ -92,6 +92,14 @@
                     </archive>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>17</source>
+                    <target>17</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 

cucumber-junit-platform-engine/src/main/java/io/cucumber/junit/platform/engine/DiscoverySelectorResolver.java

@@ -1,5 +1,6 @@
 package io.cucumber.junit.platform.engine;
 
+import org.junit.platform.commons.io.ResourceFilter;
 import org.junit.platform.engine.EngineDiscoveryRequest;
 import org.junit.platform.engine.support.discovery.DiscoveryIssueReporter;
 import org.junit.platform.engine.support.discovery.EngineDiscoveryRequestResolver;
@@ -13,7 +14,7 @@ class DiscoverySelectorResolver {
             .<CucumberEngineDescriptor> builder()
             .addSelectorResolver(context -> new FileContainerSelectorResolver( //
                 path -> isFeature(path) || isTxtFile(path)))
-            .addResourceContainerSelectorResolver(resource -> isFeature(resource.getName()))
+            .addResourceContainerSelectorResolver(ResourceFilter.of(resource -> isFeature(resource.getName())))
             .addSelectorResolver(context -> new FeatureWithLinesFileResolver())
             .addSelectorResolver(context -> new FeatureFileResolver(
                 context.getEngineDescriptor().getConfiguration(), //

cucumber-junit-platform-engine/src/main/java/io/cucumber/junit/platform/engine/FeatureFileResolver.java

@@ -16,7 +16,7 @@
 import io.cucumber.junit.platform.engine.CucumberTestDescriptor.FeatureElementDescriptor.ScenarioOutlineDescriptor;
 import io.cucumber.junit.platform.engine.CucumberTestDescriptor.PickleDescriptor;
 import io.cucumber.plugin.event.Node;
-import org.junit.platform.commons.support.Resource;
+import org.junit.platform.commons.io.Resource;
 import org.junit.platform.engine.DiscoveryIssue;
 import org.junit.platform.engine.DiscoverySelector;
 import org.junit.platform.engine.TestDescriptor;
@@ -140,7 +140,7 @@ public Resolution resolve(FileSelector selector, Context context) {
 
     @Override
     public Resolution resolve(ClasspathResourceSelector selector, Context context) {
-        Set<Resource> resources = selector.getClasspathResources();
+        Set<org.junit.platform.commons.io.Resource> resources = selector.getResources();
         if (!resources.stream().allMatch(resource -> isFeature(resource.getName()))) {
             return resolveClasspathResourceSelectorAsPackageSelector(selector);
         }

cucumber-junit-platform-engine/src/main/java/io/cucumber/junit/platform/engine/FeatureParserWithCaching.java

@@ -31,14 +31,14 @@ Optional<Feature> parseResource(Path resource) {
         return parseResource(new PathAdapter(resource));
     }
 
-    Optional<Feature> parseResource(org.junit.platform.commons.support.Resource resource) {
+    Optional<Feature> parseResource(org.junit.platform.commons.io.Resource resource) {
         return parseResource(new ResourceAdapter(resource));
     }
 
     private static class ResourceAdapter implements Resource {
-        private final org.junit.platform.commons.support.Resource resource;
+        private final org.junit.platform.commons.io.Resource resource;
 
-        public ResourceAdapter(org.junit.platform.commons.support.Resource resource) {
+        public ResourceAdapter(org.junit.platform.commons.io.Resource resource) {
             this.resource = resource;
         }
 

cucumber-junit-platform-engine/src/test/java/io/cucumber/junit/platform/engine/CucumberTestEngineTest.java

@@ -8,7 +8,7 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
-import org.junit.platform.commons.support.Resource;
+import org.junit.platform.commons.io.Resource;
 import org.junit.platform.engine.DiscoveryIssue;
 import org.junit.platform.engine.DiscoverySelector;
 import org.junit.platform.engine.TestDescriptor;
@@ -75,6 +75,7 @@
 import static org.junit.platform.engine.UniqueId.forEngine;
 import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClass;
 import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClasspathResource;
+import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClasspathResourceByName;
 import static org.junit.platform.engine.discovery.DiscoverySelectors.selectClasspathRoots;
 import static org.junit.platform.engine.discovery.DiscoverySelectors.selectDirectory;
 import static org.junit.platform.engine.discovery.DiscoverySelectors.selectFile;
@@ -207,36 +208,16 @@ void warnWhenResourceSelectorIsUsedToSelectAPackage() {
 
     @Test
     void classpathResourceSelectorThrowIfDuplicateResources() {
-        class TestResource implements Resource {
-
-            private final String name;
-            private final File source;
-
-            TestResource(String name, File source) {
-                this.name = name;
-                this.source = source;
-            }
-
-            @Override
-            public String getName() {
-                return name;
-            }
-
-            @Override
-            public URI getUri() {
-                return source.toURI();
-            }
-        }
         Set<Resource> resources = new LinkedHashSet<>(Arrays.asList(
-            new TestResource("io/cucumber/junit/platform/engine/single.feature",
-                new File("duplicate1.feature")),
-            new TestResource("io/cucumber/junit/platform/engine/single.feature",
-                new File("duplicate2.feature")),
-            new TestResource("io/cucumber/junit/platform/engine/single.feature",
-                new File("duplicate3.feature"))));
+            Resource.of("io/cucumber/junit/platform/engine/single.feature",
+                new File("duplicate1.feature").toURI()),
+            Resource.of("io/cucumber/junit/platform/engine/single.feature",
+                new File("duplicate2.feature").toURI()),
+            Resource.of("io/cucumber/junit/platform/engine/single.feature",
+                new File("duplicate3.feature").toURI())));
 
         Throwable exception = EngineTestKit.engine(ENGINE_ID) //
-                .selectors(selectClasspathResource(resources)) //
+                .selectors(selectClasspathResourceByName(resources)) //
                 .discover() //
                 .getDiscoveryIssues() //
                 .get(0) //

cucumber-junit-platform-engine/src/test/java/io/cucumber/junit/platform/engine/EmptyConfigurationParameters.java

@@ -18,11 +18,6 @@ public Optional<Boolean> getBoolean(String key) {
         return Optional.empty();
     }
 
-    @Override
-    public int size() {
-        return 0;
-    }
-
     @Override
     public Set<String> keySet() {
         return Collections.emptySet();

cucumber-junit-platform-engine/src/test/java/io/cucumber/junit/platform/engine/MapConfigurationParameters.java

@@ -29,11 +29,6 @@ public Optional<Boolean> getBoolean(String key) {
         return get(key, Boolean::valueOf);
     }
 
-    @Override
-    public int size() {
-        return 0;
-    }
-
     @Override
     public Set<String> keySet() {
         return parameters.keySet();

cucumber-junit/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <junit.version>4.13.2</junit.version>
         <mockito.version>5.20.0</mockito.version>
         <project.Automatic-Module-Name>io.cucumber.junit</project.Automatic-Module-Name>

cucumber-kotlin-java8/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <project.Automatic-Module-Name>io.cucumber.kotlin.java8</project.Automatic-Module-Name>
         <kotlin.version>2.2.20</kotlin.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
     </properties>
 
     <dependencyManagement>

cucumber-openejb/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <openejb-core.version>8.0.16</openejb-core.version>
         <project.Automatic-Module-Name>io.cucumber.openejb</project.Automatic-Module-Name>
     </properties>

cucumber-picocontainer/pom.xml

@@ -15,7 +15,7 @@
         <project.Automatic-Module-Name>io.cucumber.picocontainer</project.Automatic-Module-Name>
         <picocontainer.version>2.15.2</picocontainer.version>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
     </properties>
 
     <dependencyManagement>

cucumber-plugin/pom.xml

@@ -12,7 +12,7 @@
     <description>Plugin interface for Cucumber-JVM</description>
 
     <properties>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <project.Automatic-Module-Name>io.cucumber.plugin</project.Automatic-Module-Name>
     </properties>

cucumber-spring/pom.xml

@@ -14,7 +14,7 @@
     <properties>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <spring.version>6.2.11</spring.version>
         <project.Automatic-Module-Name>io.cucumber.spring</project.Automatic-Module-Name>
         <mockito.version>5.20.0</mockito.version>

datatable-matchers/pom.xml

@@ -17,7 +17,7 @@
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <guava.version>33.5.0-jre</guava.version>
         <hamcrest.version>3.0</hamcrest.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
     </properties>
 
     <dependencyManagement>

datatable/pom.xml

@@ -19,7 +19,7 @@
         <guava.version>33.5.0-jre</guava.version>
         <hamcrest.version>3.0</hamcrest.version>
         <jackson.version>2.20.0</jackson.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <mockito.version>5.20.0</mockito.version>
     </properties>
 

docstring/pom.xml

@@ -13,7 +13,7 @@
 
     <properties>
         <jackson.version>2.20.0</jackson.version>
-        <junit-jupiter.version>5.13.4</junit-jupiter.version>
+        <junit-jupiter.version>6.0.0-RC3</junit-jupiter.version>
         <apiguardian-api.version>1.1.2</apiguardian-api.version>
         <project.Automatic-Module-Name>io.cucumber.docstring</project.Automatic-Module-Name>
         <hamcrest.version>3.0</hamcrest.version>

examples/calculator-java-junit5/pom.xml

@@ -28,7 +28,7 @@
             <dependency>
                 <groupId>org.junit</groupId>
                 <artifactId>junit-bom</artifactId>
-                <version>5.13.1</version>
+                <version>6.0.0-RC3</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -118,6 +118,7 @@
                                 <java classname="org.junit.platform.console.ConsoleLauncher" fork="true"
                                       failonerror="true" newenvironment="true" maxmemory="512m"
                                       classpathref="maven.test.classpath">
+                                    <arg value="execute"/>
                                     <arg value="--include-engine"/>
                                     <arg value="cucumber"/>
                                     <arg value="--scan-classpath"/>

examples/calculator-kotlin-junit5/pom.xml

@@ -31,7 +31,7 @@
             <dependency>
                 <groupId>org.junit</groupId>
                 <artifactId>junit-bom</artifactId>
-                <version>5.13.1</version>
+                <version>6.0.0-RC3</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -140,6 +140,7 @@
                                 <java classname="org.junit.platform.console.ConsoleLauncher" fork="true"
                                       failonerror="true" newenvironment="true" maxmemory="512m"
                                       classpathref="maven.test.classpath">
+                                    <arg value="execute"/>
                                     <arg value="--include-engine"/>
                                     <arg value="cucumber"/>
                                     <arg value="--scan-classpath"/>

examples/spring-java-junit5/pom.xml

@@ -13,7 +13,7 @@
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.spring.application</project.Automatic-Module-Name>
         <spring-boot.version>3.5.0</spring-boot.version>
-        <junit.version>5.13.1</junit.version>
+        <junit.version>6.0.0-RC3</junit.version>
     </properties>
 
     <dependencyManagement>