Allow to execute tests against a remote server.

Update Maven pom to use "redis-host" and "redis-port" env. properties.
Default values point to localhost:6379.

Tests updated to use this properties and also defaulted to localhost:6379.

src/test/java/redis/clients/jedis/tests/commands/JedisCommandTestBase.java

@@ -12,31 +12,48 @@ import redis.clients.jedis.Jedis;
 import redis.clients.jedis.Protocol;
 
 public abstract class JedisCommandTestBase extends Assert {
+	protected static String host = "localhost";
+	protected static int port = Protocol.DEFAULT_PORT;
+	static {
+		final String envHost = System.getProperty("redis-host");
+		final String envPort = System.getProperty("redis-port");
+		if (null != envHost && 0 < envHost.length()) {
+			host = envHost;
+		}
+		if (null != envPort && 0 < envPort.length()) {
+			try {
+				port = Integer.parseInt(envPort);
+			} catch (final NumberFormatException e) {
+			}
+		}
 
-    protected Jedis jedis;
+		System.out.println("Redis host to be used : " + host + ":" + port);
+	}
 
-    public JedisCommandTestBase() {
-	super();
-    }
+	protected Jedis jedis;
 
-    @Before
-    public void setUp() throws Exception {
-	jedis = new Jedis("localhost", Protocol.DEFAULT_PORT, 500);
-	jedis.connect();
-	jedis.auth("foobared");
-	jedis.flushAll();
-    }
+	public JedisCommandTestBase() {
+		super();
+	}
 
-    @After
-    public void tearDown() throws Exception {
-	jedis.disconnect();
-    }
+	@Before
+	public void setUp() throws Exception {
+		jedis = new Jedis(host, port, 500);
+		jedis.connect();
+		jedis.auth("foobared");
+		jedis.flushAll();
+	}
 
-    protected Jedis createJedis() throws UnknownHostException, IOException {
-	Jedis j = new Jedis("localhost");
-	j.connect();
-	j.auth("foobared");
-	j.flushAll();
-	return j;
-    }
+	@After
+	public void tearDown() throws Exception {
+		jedis.disconnect();
+	}
+
+	protected Jedis createJedis() throws UnknownHostException, IOException {
+		Jedis j = new Jedis(host, port);
+		j.connect();
+		j.auth("foobared");
+		j.flushAll();
+		return j;
+	}
 }

src/test/java/redis/clients/jedis/tests/commands/TransactionCommandsTest.java

@@ -5,6 +5,7 @@ import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.junit.Before;
 import org.junit.Test;
 
 import redis.clients.jedis.Jedis;
@@ -13,6 +14,17 @@ import redis.clients.jedis.Transaction;
 import redis.clients.jedis.TransactionBlock;
 
 public class TransactionCommandsTest extends JedisCommandTestBase {
+	Jedis nj;
+	@Before
+	public void setUp() throws Exception {
+		super.setUp();
+
+		nj = new Jedis(host, port, 500);
+		nj.connect();
+		nj.auth("foobared");
+		nj.flushAll();
+	}
+
     @Test
     public void multi() {
 	Transaction trans = jedis.multi();
@@ -62,7 +74,6 @@ public class TransactionCommandsTest extends JedisCommandTestBase {
 	jedis.watch("mykey");
 	Transaction t = jedis.multi();
 
-	Jedis nj = new Jedis("localhost");
 	nj.connect();
 	nj.auth("foobared");
 	nj.set("mykey", "bar");
@@ -83,7 +94,6 @@ public class TransactionCommandsTest extends JedisCommandTestBase {
 	assertEquals("OK", status);
 	Transaction t = jedis.multi();
 
-	Jedis nj = new Jedis("localhost");
 	nj.connect();
 	nj.auth("foobared");
 	nj.set("mykey", "bar");