Isolate the integration tests from the local environment #97

client/src/main/java/org/jboss/fuse/mvnd/client/ClientLayout.java

@@ -44,9 +44,8 @@ public class ClientLayout extends Layout {
             final Path mvndPropertiesPath = Environment.findMvndPropertiesPath();
             final Supplier<Properties> mvndProperties = lazyMvndProperties(mvndPropertiesPath);
             final Path pwd = Paths.get(".").toAbsolutePath().normalize();
-            final Path mvndHome = Environment.findBasicMavenHome()
-                    .orLocalProperty(mvndProperties, mvndPropertiesPath)
-                    .or(new ValueSource(
+            final Path mvndHome = Environment.MVND_HOME
+                    .fromValueSource(new ValueSource(
                             description -> description.append("path relative to the mvnd executable"),
                             () -> {
                                 Optional<String> cmd = ProcessHandle.current().info().command();
@@ -63,6 +62,9 @@ public class ClientLayout extends Layout {
                                 }
                                 return null;
                             }))
+                    .orSystemProperty()
+                    .orEnvironmentVariable()
+                    .orLocalProperty(mvndProperties, mvndPropertiesPath)
                     .orFail()
                     .asPath()
                     .toAbsolutePath().normalize();

client/src/main/java/org/jboss/fuse/mvnd/client/DaemonConnector.java

@@ -15,6 +15,8 @@
  */
 package org.jboss.fuse.mvnd.client;
 
+import java.io.File;
+import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.nio.channels.SocketChannel;
@@ -30,7 +32,9 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Predicate;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 import org.jboss.fuse.mvnd.common.BuildProperties;
 import org.jboss.fuse.mvnd.common.DaemonCompatibilitySpec;
 import org.jboss.fuse.mvnd.common.DaemonCompatibilitySpec.Result;
@@ -252,7 +256,11 @@ public class DaemonConnector {
         final Path workingDir = layout.userDir();
         String command = "";
         try {
-            String classpath = findCommonJar(mavenHome).toString();
+            String classpath = findJars(
+                    mavenHome,
+                    p -> p.getFileName().toString().equals("mvnd-common-" + buildProperties.getVersion() + ".jar"),
+                    p -> p.getFileName().toString().startsWith("slf4j-api-"),
+                    p -> p.getFileName().toString().startsWith("logback-"));
             final String java = IS_WINDOWS ? "bin\\java.exe" : "bin/java";
             List<String> args = new ArrayList<>();
             args.add(layout.javaHome().resolve(java).toString());
@@ -275,7 +283,7 @@ public class DaemonConnector {
             command = String.join(" ", args);
 
             LOGGER.debug("Starting daemon process: uid = {}, workingDir = {}, daemonArgs: {}", uid, workingDir, command);
-            ProcessBuilder.Redirect redirect = ProcessBuilder.Redirect.appendTo(layout.daemonLog("output").toFile());
+            ProcessBuilder.Redirect redirect = ProcessBuilder.Redirect.appendTo(layout.daemonLog(uid + ".out").toFile());
             new ProcessBuilder()
                     .directory(workingDir.toFile())
                     .command(args)
@@ -291,16 +299,21 @@ public class DaemonConnector {
         }
     }
 
-    private Path findCommonJar(Path mavenHome) {
-        final Path result = mavenHome.resolve("mvn/lib/ext/mvnd-common-" + buildProperties.getVersion() + ".jar");
-        if (!Files.isRegularFile(result)) {
-            throw new RuntimeException("File must exist and must be a regular file: " + result);
+    private String findJars(Path mavenHome, Predicate<Path>... filters) {
+        final Path libExtDir = mavenHome.resolve("mvn/lib/ext");
+        try (Stream<Path> jars = Files.list(libExtDir)) {
+            return jars
+                    .filter(Stream.of(filters).reduce((previous, current) -> previous.or(current)).get())
+                    .map(Path::toString)
+                    .collect(Collectors.joining(File.pathSeparator));
+        } catch (IOException e) {
+            throw new RuntimeException("Could not list " + libExtDir);
         }
-        return result;
     }
 
     private DaemonClientConnection connectToDaemonWithId(String daemon) throws DaemonException.ConnectException {
-        // Look for 'our' daemon among the busy daemons - a daemon will start in busy state so that nobody else will grab it.
+        // Look for 'our' daemon among the busy daemons - a daemon will start in busy state so that nobody else will
+        // grab it.
         DaemonInfo daemonInfo = registry.get(daemon);
         if (daemonInfo != null) {
             try {

common/src/main/java/org/jboss/fuse/mvnd/common/Environment.java

@@ -25,6 +25,8 @@ import java.util.Optional;
 import java.util.Properties;
 import java.util.function.Function;
 import java.util.function.Supplier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Collects system properties and environment variables used by mvnd client or server.
@@ -41,6 +43,7 @@ public enum Environment {
     DAEMON_IDLE_TIMEOUT("daemon.idleTimeout", null),
     DAEMON_UID("daemon.uid", null);
 
+    private static final Logger LOG = LoggerFactory.getLogger(Environment.class);
     static Properties properties = System.getProperties();
     static Map<String, String> env = System.getenv();
 
@@ -66,6 +69,10 @@ public enum Environment {
         return new EnvValue(this, environmentVariableSource());
     }
 
+    public EnvValue fromValueSource(ValueSource valueSource) {
+        return new EnvValue(this, valueSource);
+    }
+
     public String asCommandLineProperty(String value) {
         return "-D" + property + "=" + value;
     }
@@ -99,14 +106,6 @@ public enum Environment {
                 .toAbsolutePath().normalize();
     }
 
-    public static Path findMavenHome(Supplier<Properties> mvndProperties, Path mvndPropertiesPath) {
-        return findBasicMavenHome()
-                .orLocalProperty(mvndProperties, mvndPropertiesPath)
-                .orFail()
-                .asPath()
-                .toAbsolutePath().normalize();
-    }
-
     public static EnvValue findBasicMavenHome() {
         return MVND_HOME
                 .environmentVariable()
@@ -231,7 +230,7 @@ public enum Environment {
 
         public Environment.EnvValue orDefault(Supplier<String> defaultSupplier) {
             return new EnvValue(this, envKey,
-                    new ValueSource(sb -> sb.append("default").append(defaultSupplier.get()), defaultSupplier));
+                    new ValueSource(sb -> sb.append("default: ").append(defaultSupplier.get()), defaultSupplier));
         }
 
         public Environment.EnvValue orFail() {
@@ -265,7 +264,18 @@ public enum Environment {
                     return result;
                 }
             }
-            return valueSource.valueSupplier.get();
+            final String result = valueSource.valueSupplier.get();
+            if (result != null && LOG.isDebugEnabled()) {
+                StringBuilder sb = new StringBuilder("Loaded environment value for key [")
+                        .append(envKey.name())
+                        .append("] from ");
+                valueSource.descriptionFunction.apply(sb);
+                sb.append(": [")
+                        .append(result)
+                        .append(']');
+                LOG.debug(sb.toString());
+            }
+            return result;
         }
 
         public String asString() {
@@ -290,4 +300,5 @@ public enum Environment {
         }
 
     }
+
 }

common/src/main/java/org/jboss/fuse/mvnd/common/Layout.java

@@ -72,8 +72,8 @@ public class Layout {
 
             ENV_INSTANCE = new Layout(
                     mvndPropertiesPath,
-                    Environment.findBasicMavenHome()
-                            .orLocalProperty(mvndProperties, mvndPropertiesPath)
+                    Environment.MVND_HOME
+                            .systemProperty()
                             .orFail()
                             .asPath()
                             .toAbsolutePath().normalize(),

common/src/main/java/org/jboss/fuse/mvnd/common/ServerMain.java

@@ -71,7 +71,6 @@ public class ServerMain {
         Thread.currentThread().setContextClassLoader(loader);
         Class<?> clazz = loader.loadClass("org.jboss.fuse.mvnd.daemon.Server");
         try (AutoCloseable server = (AutoCloseable) clazz.getConstructor(String.class).newInstance(uidStr)) {
-            System.out.println("server = " + server);
             ((Runnable) server).run();
         }
     }