content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.milo;
  
  import java.io.IOException;
  import java.security.GeneralSecurityException;
  import java.util.function.Consumer;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.Exchange;
  import org.apache.camel.Predicate;
  import org.apache.camel.RuntimeCamelException;
  import org.apache.camel.component.milo.server.MiloServerComponent;
  import org.apache.camel.component.mock.AssertionClause;
  import org.apache.camel.test.AvailablePortFinder;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.eclipse.milo.opcua.stack.core.security.SecurityPolicy;
  import org.eclipse.milo.opcua.stack.core.types.builtin.DataValue;
  import org.opentest4j.AssertionFailedError;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public abstract class AbstractMiloServerTest extends CamelTestSupport {
  
      private static final Logger LOG = LoggerFactory.getLogger(AbstractMiloServerTest.class);
  
      private int serverPort;
  
      @Override
      protected void doPreSetup() throws Exception {
          super.doPreSetup();
          this.serverPort = AvailablePortFinder.getNextAvailable();
      }
  
      public int getServerPort() {
          return this.serverPort;
      }
  
      protected boolean isAddServer() {
          return true;
      }
  
      /**
       * Replace the port placeholder with the dynamic server port
       *
       * @param  uri the URI to process
       * @return     the result, may be {@code null} if the input is {@code null}
       */
      protected String resolve(String uri) {
          if (uri == null) {
              return uri;
          }
  
          return uri.replace("@@port@@", Integer.toString(this.serverPort));
      }
  
      public static void testBody(final AssertionClause clause, final Consumer<DataValue> valueConsumer) {
          testBody(clause, DataValue.class, valueConsumer);
      }
  
      public static <T> void testBody(
              final AssertionClause clause, final Class<T> bodyClass,
              final Consumer<T> valueConsumer) {
          clause.predicate(exchange -> {
              final T body = exchange.getMessage().getBody(bodyClass);
              valueConsumer.accept(body);
              return true;
          });
      }
  
      public static Consumer<DataValue> assertGoodValue(final Object expectedValue) {
          return value -> {
              assertNotNull(value);
              assertEquals(expectedValue, value.getValue().getValue());
              assertTrue(value.getStatusCode().isGood());
              assertFalse(value.getStatusCode().isBad());
          };
      }
  
      @Override
      protected CamelContext createCamelContext() throws Exception {
          final CamelContext context = super.createCamelContext();
          configureContext(context);
          return context;
      }
  
      protected void configureContext(final CamelContext context) throws Exception {
          if (isAddServer()) {
              final MiloServerComponent server = context.getComponent("milo-server", MiloServerComponent.class);
              configureMiloServer(server);
          }
      }
  
      protected void configureMiloServer(final MiloServerComponent server) throws Exception {
          server.setBindAddresses("localhost");
          server.setPort(this.serverPort);
          server.setUserAuthenticationCredentials("foo:bar,foo2:bar2");
          server.setUsernameSecurityPolicyUri(SecurityPolicy.None);
          server.setSecurityPoliciesById("None");
          server.setEnableAnonymousAuthentication(true);
      }
  
      /**
       * Create a default key store for testing
       *
       * @return always returns a key store
       */
      protected KeyStoreLoader.Result loadDefaultTestKey() {
          try {
  
              final KeyStoreLoader loader = new KeyStoreLoader();
              loader.setUrl("file:src/test/resources/keystore");
              loader.setKeyStorePassword("testtest");
  
              loader.setKeyPassword("test");
              return loader.load();
          } catch (final GeneralSecurityException | IOException e) {
              throw new RuntimeCamelException(e);
          }
  
      }
  
      /**
       * Return true, if java version (defined by method getRequiredJavaVersion()) is satisfied. Works for java versions
       * 9+
       */
      boolean isJavaVersionSatisfied(int requiredVersion) {
          String version = System.getProperty("java.version");
          if (!version.startsWith("1.")) {
              int dot = version.indexOf('.');
              if (dot != -1) {
                  version = version.substring(0, dot);
              }
              if (version.equalsIgnoreCase("16-ea")) {
                  return true;
              } else if (Integer.parseInt(version) >= requiredVersion) {
                  return true;
              }
          }
          return false;
      }
  
      protected Predicate assertPredicate(Consumer<Exchange> consumer) {
  
          return exchange -> {
              try {
                  consumer.accept(exchange);
                  return true;
              } catch (AssertionFailedError error) {
                  LOG.error("Assertion error: " + error.getMessage(), error);
                  return false;
              }
          };
      }
  
  }
  