Added transactions support

src/test/java/redis/clients/jedis/tests/ConnectionTest.java

@@ -0,0 +1,38 @@
+package redis.clients.jedis.tests;
+
+import java.io.IOException;
+import java.net.UnknownHostException;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import redis.clients.jedis.Connection;
+
+public class ConnectionTest extends Assert {
+    private Connection client;
+
+    @Before
+    public void setUp() throws Exception {
+	client = new Connection();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+	client.disconnect();
+    }
+
+    @Test(expected = UnknownHostException.class)
+    public void checkUnkownHost() throws UnknownHostException, IOException {
+	client.setHost("someunknownhost");
+	client.connect();
+    }
+
+    @Test(expected = IOException.class)
+    public void checkWrongPort() throws UnknownHostException, IOException {
+	client.setHost("localhost");
+	client.setPort(55665);
+	client.connect();
+    }
+}