Fix gradle - junit5 integration templates and instructions

devtools/common/src/main/java/io/quarkus/generators/rest/BasicRestProjectGenerator.java

@@ -56,6 +56,7 @@ private class BasicRestProject {
         private ProjectWriter writer;
         private String srcMainPath;
         private String testMainPath;
+        private String nativeTestMainPath;
         private SourceType type;
 
         private BasicRestProject(final ProjectWriter writer, final Map<String, Object> parameters) {
@@ -76,13 +77,19 @@ private boolean initProject() throws IOException {
 
             srcMainPath = writer.mkdirs(type.getSrcDir());
             testMainPath = writer.mkdirs(type.getTestSrcDir());
+            // for gradle we want to place the native tests in under 'src/native-test/java'
+            // since gradle's idiomatic way of running integration tests is to create a new source set
+            if (getBuildTool() == BuildTool.GRADLE) {
+                nativeTestMainPath = writer.mkdirs(type.getTestSrcDir().replace("test", "native-test"));
+            } else {
+                nativeTestMainPath = testMainPath;
+            }
 
             return newProject;
         }
 
         private boolean initBuildTool() throws IOException {
-            BuildFile buildFileManager = get(BUILD_FILE, null);
-            BuildTool buildTool = buildFileManager == null ? BuildTool.MAVEN : buildFileManager.getBuildTool();
+            BuildTool buildTool = getBuildTool();
             context.putIfAbsent(ADDITIONAL_GITIGNORE_ENTRIES, buildTool.getGitIgnoreEntries());
             boolean newProject = !writer.exists(buildTool.getDependenciesFile());
             if (newProject) {
@@ -110,6 +117,11 @@ private boolean initBuildTool() throws IOException {
             return newProject;
         }
 
+        private BuildTool getBuildTool() {
+            BuildFile buildFileManager = get(BUILD_FILE, null);
+            return buildFileManager == null ? BuildTool.MAVEN : buildFileManager.getBuildTool();
+        }
+
         private void generate(final String templateName, final Map<String, Object> context, final String outputFilePath,
                 final String resourceType)
                 throws IOException {
@@ -176,9 +188,18 @@ private void setupContext() throws IOException {
 
                 if (packageName != null) {
                     String packageDir = srcMainPath + '/' + packageName.replace('.', '/');
+                    String originalTestMainPath = testMainPath;
                     String testPackageDir = testMainPath + '/' + packageName.replace('.', '/');
                     srcMainPath = writer.mkdirs(packageDir);
                     testMainPath = writer.mkdirs(testPackageDir);
+
+                    if (!originalTestMainPath.equals(nativeTestMainPath)) {
+                        String nativeTestPackageDir = nativeTestMainPath + '/' + packageName.replace('.', '/');
+                        nativeTestMainPath = writer.mkdirs(nativeTestPackageDir);
+                    } else {
+                        nativeTestMainPath = testMainPath;
+                    }
+
                 } else {
                     throw new NullPointerException("Need a non-null package name");
                 }
@@ -192,7 +213,7 @@ private void createClasses() throws IOException {
                 String extension = type.getExtension();
                 String classFile = srcMainPath + '/' + className + extension;
                 String testClassFile = testMainPath + '/' + className + "Test" + extension;
-                String itTestClassFile = testMainPath + '/' + "Native" + className + "IT" + extension;
+                String itTestClassFile = nativeTestMainPath + '/' + "Native" + className + "IT" + extension;
                 String name = getName();
                 String srcResourceTemplate = type.getSrcResourceTemplate(name);
                 Object isSpring = context.get(IS_SPRING);

devtools/common/src/main/resources/templates/basic-rest/java/build.gradle-template.ftl

@@ -26,6 +26,9 @@ dependencies {
 
     testImplementation 'io.quarkus:quarkus-junit5'
     testImplementation 'io.rest-assured:rest-assured'
+
+    nativeTestImplementation 'io.quarkus:quarkus-junit5'
+    nativeTestImplementation 'io.rest-assured:rest-assured'
 }
 
 group '${project_groupId}'

devtools/common/src/main/resources/templates/basic-rest/kotlin/build.gradle-template.ftl

@@ -27,6 +27,9 @@ dependencies {
 
     testImplementation 'io.quarkus:quarkus-junit5'
     testImplementation 'io.rest-assured:rest-assured'
+
+    nativeTestImplementation 'io.quarkus:quarkus-junit5'
+    nativeTestImplementation 'io.rest-assured:rest-assured'
 }
 
 group '${project_groupId}'

devtools/common/src/main/resources/templates/basic-rest/scala/build.gradle-template.ftl

@@ -26,7 +26,11 @@ dependencies {
 
     testImplementation 'io.quarkus:quarkus-junit5'
     testImplementation 'io.rest-assured:rest-assured'
+
+    nativeTestImplementation 'io.quarkus:quarkus-junit5'
+    nativeTestImplementation 'io.rest-assured:rest-assured'
 }
 
 group '${project_groupId}'
 version '${project_version}'
+

devtools/gradle/src/main/java/io/quarkus/gradle/QuarkusPlugin.java

@@ -1,11 +1,18 @@
 package io.quarkus.gradle;
 
+import java.util.Collections;
+
 import org.gradle.api.GradleException;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
 import org.gradle.api.Task;
+import org.gradle.api.artifacts.ConfigurationContainer;
 import org.gradle.api.plugins.BasePlugin;
 import org.gradle.api.plugins.JavaPlugin;
+import org.gradle.api.plugins.JavaPluginConvention;
+import org.gradle.api.tasks.SourceSet;
+import org.gradle.api.tasks.SourceSetContainer;
+import org.gradle.api.tasks.SourceSetOutput;
 import org.gradle.api.tasks.TaskContainer;
 import org.gradle.api.tasks.testing.Test;
 import org.gradle.util.GradleVersion;
@@ -17,6 +24,7 @@
 import io.quarkus.gradle.tasks.QuarkusListExtensions;
 import io.quarkus.gradle.tasks.QuarkusNative;
 import io.quarkus.gradle.tasks.QuarkusTestConfig;
+import io.quarkus.gradle.tasks.QuarkusTestNative;
 
 /**
  * @author <a href="mailto:[email protected]">Ståle Pedersen</a>
@@ -52,11 +60,38 @@ private void registerTasks(Project project) {
                     quarkusBuild.dependsOn(classesTask);
                 });
 
-        tasks.create("buildNative", QuarkusNative.class).dependsOn(quarkusBuild);
+        Task buildNative = tasks.create("buildNative", QuarkusNative.class).dependsOn(quarkusBuild);
+
+        // set up the source set for the testNative
+        JavaPluginConvention javaPlugin = project.getConvention().findPlugin(JavaPluginConvention.class);
+        if (javaPlugin != null) {
+            SourceSetContainer sourceSets = javaPlugin.getSourceSets();
+            SourceSet nativeTestSourceSet = sourceSets.create("native-test"); // this name has to be the same as the directory in which the tests reside
+            SourceSetOutput mainSourceSetOutput = sourceSets.getByName("main").getOutput();
+            SourceSetOutput testSourceSetOutput = sourceSets.getByName("test").getOutput();
+            nativeTestSourceSet.setCompileClasspath(
+                    nativeTestSourceSet.getCompileClasspath().plus(mainSourceSetOutput).plus(testSourceSetOutput));
+            nativeTestSourceSet.setRuntimeClasspath(
+                    nativeTestSourceSet.getRuntimeClasspath().plus(mainSourceSetOutput).plus(testSourceSetOutput));
+
+            // create a custom configuration to be used for the dependencies of the testNative task
+            ConfigurationContainer configurations = project.getConfigurations();
+            configurations.maybeCreate("nativeTestImplementation").extendsFrom(configurations.findByName("implementation"));
+            configurations.maybeCreate("nativeTestRuntimeOnly").extendsFrom(configurations.findByName("runtimeOnly"));
+
+            Task testNative = tasks.create("testNative", QuarkusTestNative.class).dependsOn(buildNative);
+            testNative.setShouldRunAfter(Collections.singletonList(tasks.findByName("test")));
+
+            tasks.getByName("check").dependsOn(testNative);
+        }
 
-        // Quarkus test configuration task which should be executed before any Quarkus test
         final QuarkusTestConfig quarkusTestConfig = tasks.create("quarkusTestConfig", QuarkusTestConfig.class);
-        tasks.withType(Test.class).forEach(t -> t.dependsOn(quarkusTestConfig));
+        tasks.withType(Test.class).forEach(t -> {
+            // Quarkus test configuration task which should be executed before any Quarkus test
+            t.dependsOn(quarkusTestConfig);
+            // also make each task use the JUnit platform since it's the only supported test environment
+            t.useJUnitPlatform();
+        });
     }
 
     private void verifyGradleVersion() {

devtools/gradle/src/main/java/io/quarkus/gradle/tasks/QuarkusTestNative.java

@@ -0,0 +1,21 @@
+package io.quarkus.gradle.tasks;
+
+import org.gradle.api.plugins.JavaPluginConvention;
+import org.gradle.api.tasks.SourceSet;
+import org.gradle.api.tasks.SourceSetContainer;
+import org.gradle.api.tasks.testing.Test;
+
+public class QuarkusTestNative extends Test {
+
+    public QuarkusTestNative() {
+        setDescription("Runs native image tests");
+        setGroup("verification");
+
+        JavaPluginConvention javaPlugin = getProject().getConvention().getPlugin(JavaPluginConvention.class);
+        SourceSetContainer sourceSets = javaPlugin.getSourceSets();
+        SourceSet sourceSet = sourceSets.findByName("native-test");
+
+        setTestClassesDirs(sourceSet.getOutput().getClassesDirs());
+        setClasspath(sourceSet.getRuntimeClasspath());
+    }
+}

docs/src/main/asciidoc/gradle-tooling.adoc

@@ -126,23 +126,9 @@ dependencies {
 
 == Enable Tests
 
-Quarkus uses Junit5 and to enable it in Gradle we need to add a section to our build file:
-
-[source,groovy,subs=attributes+]
-----
-test {
-  useJUnitPlatform()
-}
-----
-
-Using the Kotlin DSL, add:
-
-[source,kotlin,subs=attributes+]
-----
-tasks.test {
-    useJUnitPlatform()
-}
-----
+When the Quarkus Gradle plugin is applied to a build, the `test` task is configured to run regular tests while the `testNative` task
+is meant to run the native image tests.
+The source code for the native image tests should reside in `src/native-test` instead of `src/test` where the source code for regular tests resides.
 
 To follow up our Rest example from above, we would also need to add two test dependencies:
 
@@ -180,7 +166,6 @@ database.
 [source,groovy,subs=attributes+]
 ----
 test {
-    useJUnitPlatform()
     systemProperty "quarkus.test.profile", "foo" <1>
 }
 ----
@@ -190,7 +175,6 @@ or, if you use the Gradle Kotlin DSL:
 [source,kotlin,subs=attributes+]
 ----
 tasks.test {
-    useJUnitPlatform()
     systemProperty("quarkus.test.profile", "foo") <1>
  }
 ----

docs/src/main/asciidoc/kotlin.adoc

@@ -280,11 +280,6 @@ tasks {
     }
 }
 
-tasks.test {
-    useJUnitPlatform()
-    exclude '**/Native*'
-}
-
 allOpen { // <5>
     annotation("javax.ws.rs.Path")
     annotation("javax.enterprise.context.ApplicationScoped")

test-framework/common/src/main/java/io/quarkus/test/common/PathTestHelper.java

@@ -21,12 +21,21 @@ public final class PathTestHelper {
                 "bin" + File.separator + "test",
                 "bin" + File.separator + "main");
         // gradle
+        TEST_TO_MAIN_DIR_FRAGMENTS.put(
+                "classes" + File.separator + "java" + File.separator + "native-test",
+                "classes" + File.separator + "java" + File.separator + "main");
         TEST_TO_MAIN_DIR_FRAGMENTS.put(
                 "classes" + File.separator + "java" + File.separator + "test",
                 "classes" + File.separator + "java" + File.separator + "main");
+        TEST_TO_MAIN_DIR_FRAGMENTS.put(
+                "classes" + File.separator + "kotlin" + File.separator + "native-test",
+                "classes" + File.separator + "kotlin" + File.separator + "main");
         TEST_TO_MAIN_DIR_FRAGMENTS.put(
                 "classes" + File.separator + "kotlin" + File.separator + "test",
                 "classes" + File.separator + "kotlin" + File.separator + "main");
+        TEST_TO_MAIN_DIR_FRAGMENTS.put(
+                "classes" + File.separator + "scala" + File.separator + "native-test",
+                "classes" + File.separator + "scala" + File.separator + "main");
         TEST_TO_MAIN_DIR_FRAGMENTS.put(
                 "classes" + File.separator + "scala" + File.separator + "test",
                 "classes" + File.separator + "scala" + File.separator + "main");