MP Config TCK - fix a regression caused by #2629

tcks/microprofile-config/src/test/java/io/quarkus/tck/config/ConfigApplicationArchiveProcessor.java

@@ -0,0 +1,44 @@
+package io.quarkus.tck.config;
+
+import org.jboss.arquillian.container.test.spi.client.deployment.ApplicationArchiveProcessor;
+import org.jboss.arquillian.test.spi.TestClass;
+import org.jboss.shrinkwrap.api.Archive;
+import org.jboss.shrinkwrap.api.ArchivePath;
+import org.jboss.shrinkwrap.api.ArchivePaths;
+import org.jboss.shrinkwrap.api.Node;
+import org.jboss.shrinkwrap.api.asset.ArchiveAsset;
+import org.jboss.shrinkwrap.api.asset.Asset;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+
+/**
+ * Arquillian automatically adds the test class to a test deployment. However, some MP Config tests do add the test class to a
+ * library jar too. As a result, we get ambiguous dependency when trying to instantiate the test class. Unfortunately, we can't
+ * use an ApplicationArchiveProcessor to remove the test class added by Arquillian because it's applied
+ * before the test class is added. Therefore, we deciced to remove the test class from any library jar.
+ */
+public class ConfigApplicationArchiveProcessor implements ApplicationArchiveProcessor {
+
+    private static final ArchivePath PATH_LIBRARY = ArchivePaths.create("WEB-INF/lib");
+
+    @Override
+    public void process(Archive<?> applicationArchive, TestClass testClass) {
+        if (applicationArchive instanceof WebArchive) {
+            WebArchive war = applicationArchive.as(WebArchive.class);
+            Node libNode = war.get(PATH_LIBRARY);
+            if (libNode != null) {
+                for (Node child : libNode.getChildren()) {
+                    Asset childAsset = child.getAsset();
+                    if (childAsset instanceof ArchiveAsset) {
+                        ArchiveAsset archiveAsset = (ArchiveAsset) childAsset;
+                        if (archiveAsset.getArchive() instanceof JavaArchive) {
+                            JavaArchive libArchive = (JavaArchive) archiveAsset.getArchive();
+                            libArchive.deleteClass(testClass.getName());
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+}

tcks/microprofile-config/src/test/java/io/quarkus/tck/config/ConfigExtension.java

@@ -0,0 +1,13 @@
+package io.quarkus.tck.config;
+
+import org.jboss.arquillian.container.test.spi.client.deployment.ApplicationArchiveProcessor;
+import org.jboss.arquillian.core.spi.LoadableExtension;
+
+public class ConfigExtension implements LoadableExtension {
+
+    @Override
+    public void register(ExtensionBuilder builder) {
+        builder.service(ApplicationArchiveProcessor.class, ConfigApplicationArchiveProcessor.class);
+    }
+
+}

tcks/microprofile-config/src/test/resources/META-INF/services/org.jboss.arquillian.core.spi.LoadableExtension

@@ -0,0 +1 @@
+io.quarkus.tck.config.ConfigExtension