package com.atlassian.vcache.internal.memcached;
   
   import com.atlassian.marshalling.jdk.JavaSerializationMarshalling;
   import com.atlassian.vcache.DirectExternalCache;
   import com.atlassian.vcache.ExternalCacheSettings;
   import com.atlassian.vcache.internal.RequestContext;
   import com.atlassian.vcache.internal.RequestMetrics;
   import com.atlassian.vcache.internal.core.DefaultRequestContext;
   import com.atlassian.vcache.internal.core.Sha1ExternalCacheKeyGenerator;
  import com.atlassian.vcache.internal.core.metrics.DefaultMetricsCollector;
  import com.atlassian.vcache.internal.core.metrics.MetricsCollector;
  import com.atlassian.vcache.internal.test.AbstractUnreliableDirectExternalCacheIT;
  import net.spy.memcached.AddrUtil;
  import net.spy.memcached.BinaryConnectionFactory;
  import net.spy.memcached.MemcachedClient;
  import org.junit.BeforeClass;
  
  import java.io.IOException;
  import java.time.Duration;
  
  public class MemcachedDirectExternalCacheIT extends AbstractUnreliableDirectExternalCacheIT {
      private static MemcachedClient client;
      private static MemcachedClient offlineClient; // Points to a non-responsive memcached
      private final RequestContext requestContext = new DefaultRequestContext(() -> "tenant-id");
      private final MetricsCollector metricsCollector = new DefaultMetricsCollector(() -> requestContext);
  
      @BeforeClass
      public static void init_client() throws IOException {
          client = new MemcachedClient(
                  new BinaryConnectionFactory(),
                  AddrUtil.getAddresses(System.getProperty("memcached.svr")));
  
          offlineClient = new MemcachedClient(
                  new BinaryConnectionFactory(),
                  AddrUtil.getAddresses("localhost:4")); // Unassigned port
      }
  
      @Override
      protected DirectExternalCache<String> createOfflineCache(String name, ExternalCacheSettings settings) {
          return createCache(name, settings, offlineClient);
      }
  
      @Override
      protected DirectExternalCache<String> createCache(String name, ExternalCacheSettings settings) {
          return createCache(name, settings, client);
      }
  
      private DirectExternalCache<String> createCache(String name, ExternalCacheSettings settings, MemcachedClient client) {
          return metricsCollector.wrap(
                  new MemcachedDirectExternalCache<>(
                          Utils.defaultServiceSettingsBuilder(() -> client, Duration.ofSeconds(1)).build(),
                          () -> requestContext,
                          new Sha1ExternalCacheKeyGenerator("it-test-42"),
                          name,
                          JavaSerializationMarshalling.pair(String.class),
                          settings));
      }
  
      @Override
      protected RequestMetrics requestMetrics() {
          return metricsCollector.obtainRequestMetrics(requestContext);
      }
  }