Merge pull request quarkusio#34954 from cescoffier/virtual-thread-tests

Virtual Thread ITs

.github/workflows/ci-actions-incremental.yml

@@ -636,7 +636,7 @@ jobs:
           java-version: ${{ matrix.java.java-version }}
       - name: Run tests
         run: |
-          export LANG=en_US && ./mvnw -e -B -fae --settings .github/mvn-settings.xml -f integration-tests/virtual-threads clean verify -Dextra-args=${{matrix.java.extra-args}}
+          export LANG=en_US && ./mvnw -e -B -fae --settings .github/mvn-settings.xml -f integration-tests/virtual-threads clean verify -Dnative -Dextra-args=${{matrix.java.extra-args}} -Dquarkus.native.container-build=true -Dquarkus.native.builder-image=quay.io/quarkus/ubi-quarkus-mandrel-builder-image:jdk-20
       - name: Upload build reports (if build failed)
         uses: actions/upload-artifact@v3
         if: ${{ failure() || cancelled() }}

integration-tests/virtual-threads/grpc-virtual-threads/pom.xml

@@ -84,14 +84,10 @@
             <plugin>
                 <groupId>io.quarkus</groupId>
                 <artifactId>quarkus-maven-plugin</artifactId>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>generate-code</goal>
-                            <goal>build</goal>
-                        </goals>
-                    </execution>
-                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
             </plugin>
         </plugins>
     </build>

integration-tests/virtual-threads/grpc-virtual-threads/src/main/java/io/quarkus/grpc/example/streaming/Endpoint.java

@@ -0,0 +1,30 @@
+package io.quarkus.grpc.example.streaming;
+
+import java.time.Duration;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+
+import com.google.protobuf.ByteString;
+
+import io.grpc.testing.integration.Messages;
+import io.grpc.testing.integration.TestService;
+import io.quarkus.grpc.GrpcClient;
+import io.smallrye.common.annotation.RunOnVirtualThread;
+
+@Path("/endpoint")
+public class Endpoint {
+
+    @GrpcClient("service")
+    TestService service;
+
+    @GET
+    @RunOnVirtualThread
+    public String invokeGrpcService() {
+        var req = Messages.SimpleRequest.newBuilder()
+                .setPayload(Messages.Payload.newBuilder().setBody(ByteString.copyFromUtf8("hello")).build())
+                .build();
+        return service.unaryCall(req).await().atMost(Duration.ofSeconds(5))
+                .getPayload().getBody().toStringUtf8();
+    }
+}

integration-tests/virtual-threads/grpc-virtual-threads/src/main/resources/application.properties

@@ -1,15 +1,9 @@
-quarkus.grpc.clients.streaming.host=localhost
-quarkus.grpc.clients.streaming.port=9001
+quarkus.grpc.clients.service.host=localhost
+quarkus.grpc.clients.service.port=9001
 
-%vertx.quarkus.grpc.clients.streaming.port=8081
-%vertx.quarkus.grpc.clients.streaming.use-quarkus-grpc-client=true
 %vertx.quarkus.grpc.server.use-separate-server=false
 
-%n2o.quarkus.grpc.server.use-separate-server=true
-%o2n.quarkus.grpc.server.use-separate-server=false
+quarkus.native.additional-build-args=--enable-preview
 
-%n2o.quarkus.grpc.clients.streaming.port=9001
-%n2o.quarkus.grpc.clients.streaming.use-quarkus-grpc-client=true
-
-%o2n.quarkus.grpc.clients.streaming.port=8081
-%o2n.quarkus.grpc.clients.streaming.use-quarkus-grpc-client=false
+%vertx.quarkus.grpc.clients.service.port=8081
+%vertx.quarkus.grpc.clients.service.use-quarkus-grpc-client=true

integration-tests/virtual-threads/grpc-virtual-threads/src/test/java/io/quarkus/grpc/example/streaming/NoPinningIT.java

@@ -0,0 +1,76 @@
+package io.quarkus.grpc.example.streaming;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+/**
+ * An integration test reading the output of the unit test to verify that no tests where pinning the carrier thread.
+ * It reads the reports generated by surefire.
+ */
+public class NoPinningIT {
+
+    @Test
+    void verify() throws IOException, ParserConfigurationException, SAXException {
+        var reports = new File("target", "surefire-reports");
+        Assertions.assertTrue(reports.isDirectory(),
+                "Unable to find " + reports.getAbsolutePath() + ", did you run the tests with Maven before?");
+        var list = reports.listFiles(new FilenameFilter() {
+            @Override
+            public boolean accept(File dir, String name) {
+                return name.startsWith("TEST") && name.endsWith("Test.xml");
+            }
+        });
+        Assertions.assertNotNull(list,
+                "Unable to find " + reports.getAbsolutePath() + ", did you run the tests with Maven before?");
+
+        for (File report : list) {
+            Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(report);
+            var suite = document.getFirstChild();
+            var cases = getChildren(suite.getChildNodes(), "testcase");
+            for (Node c : cases) {
+                verify(report, c);
+            }
+        }
+
+    }
+
+    private void verify(File file, Node ca) {
+        var fullname = ca.getAttributes().getNamedItem("classname").getTextContent() + "."
+                + ca.getAttributes().getNamedItem("name").getTextContent();
+        var output = getChildren(ca.getChildNodes(), "system-out");
+        if (output.isEmpty()) {
+            return;
+        }
+        var sout = output.get(0).getTextContent();
+        if (sout.contains("VThreadContinuation.onPinned")) {
+            throw new AssertionError("The test case " + fullname + " pinned the carrier thread, check " + file.getAbsolutePath()
+                    + " for details (or the log of the test)");
+        }
+
+    }
+
+    private List<Node> getChildren(NodeList nodes, String name) {
+        List<Node> list = new ArrayList<>();
+        for (int i = 0; i < nodes.getLength(); i++) {
+            var node = nodes.item(i);
+            if (node.getNodeName().equalsIgnoreCase(name)) {
+                list.add(node);
+            }
+        }
+        return list;
+    }
+
+}

integration-tests/virtual-threads/grpc-virtual-threads/src/test/java/io/quarkus/grpc/example/streaming/VirtualThreadTestBase.java

@@ -1,6 +1,7 @@
 package io.quarkus.grpc.example.streaming;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.CoreMatchers.is;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -12,6 +13,7 @@
 import io.grpc.testing.integration.Messages;
 import io.grpc.testing.integration.TestServiceGrpc;
 import io.quarkus.grpc.GrpcClient;
+import io.restassured.RestAssured;
 
 @SuppressWarnings("NewClassNamingConvention")
 public class VirtualThreadTestBase {
@@ -45,4 +47,12 @@ void testStreamingOutputCall() {
         assertThat(count).hasValue(3);
     }
 
+    @Test
+    void testGrpcClient() {
+        RestAssured.get("/endpoint")
+                .then()
+                .statusCode(200)
+                .body(is("HELLO"));
+    }
+
 }

integration-tests/virtual-threads/mailer-virtual-threads/pom.xml

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <artifactId>quarkus-virtual-threads-integration-tests-parent</artifactId>
+        <groupId>io.quarkus</groupId>
+        <version>999-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>quarkus-integration-test-virtual-threads-mailer</artifactId>
+    <name>Quarkus - Integration Tests - Virtual Threads - Mailer</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-resteasy-reactive-jackson</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-mailer</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-junit5</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.rest-assured</groupId>
+            <artifactId>rest-assured</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>testcontainers</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+
+        <!-- Minimal test dependencies to *-deployment artifacts for consistent build order -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-resteasy-reactive-jackson-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-mailer-deployment</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>io.quarkus</groupId>
+                <artifactId>quarkus-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

integration-tests/virtual-threads/mailer-virtual-threads/src/main/java/io/quarkus/virtual/mail/AssertHelper.java

@@ -0,0 +1,71 @@
+package io.quarkus.virtual.mail;
+
+import java.lang.reflect.Method;
+
+import io.quarkus.arc.Arc;
+import io.smallrye.common.vertx.VertxContext;
+import io.vertx.core.Vertx;
+
+public class AssertHelper {
+
+    /**
+     * Asserts that the current method:
+     * - runs on a duplicated context
+     * - runs on a virtual thread
+     * - has the request scope activated
+     */
+    public static void assertEverything() {
+        assertThatTheRequestScopeIsActive();
+        assertThatItRunsOnVirtualThread();
+        assertThatItRunsOnADuplicatedContext();
+    }
+
+    public static void assertThatTheRequestScopeIsActive() {
+        if (!Arc.container().requestContext().isActive()) {
+            throw new AssertionError(("Expected the request scope to be active"));
+        }
+    }
+
+    public static void assertThatItRunsOnADuplicatedContext() {
+        var context = Vertx.currentContext();
+        if (context == null) {
+            throw new AssertionError("The method does not run on a Vert.x context");
+        }
+        if (!VertxContext.isOnDuplicatedContext()) {
+            throw new AssertionError("The method does not run on a Vert.x **duplicated** context");
+        }
+    }
+
+    public static void assertThatItRunsOnVirtualThread() {
+        // We cannot depend on a Java 20.
+        try {
+            Method isVirtual = Thread.class.getMethod("isVirtual");
+            isVirtual.setAccessible(true);
+            boolean virtual = (Boolean) isVirtual.invoke(Thread.currentThread());
+            if (!virtual) {
+                throw new AssertionError("Thread " + Thread.currentThread() + " is not a virtual thread");
+            }
+        } catch (Exception e) {
+            throw new AssertionError(
+                    "Thread " + Thread.currentThread() + " is not a virtual thread - cannot invoke Thread.isVirtual()", e);
+        }
+    }
+
+    public static void assertNotOnVirtualThread() {
+        // We cannot depend on a Java 20.
+        try {
+            Method isVirtual = Thread.class.getMethod("isVirtual");
+            isVirtual.setAccessible(true);
+            boolean virtual = (Boolean) isVirtual.invoke(Thread.currentThread());
+            if (virtual) {
+                throw new AssertionError("Thread " + Thread.currentThread() + " is a virtual thread");
+            }
+        } catch (Exception e) {
+            // Trying using Thread name.
+            var name = Thread.currentThread().toString();
+            if (name.toLowerCase().contains("virtual")) {
+                throw new AssertionError("Thread " + Thread.currentThread() + " seems to be a virtual thread");
+            }
+        }
+    }
+}