Added bunch of missing commands and a test to check if Jedis is updated

src/main/java/redis/clients/jedis/Client.java

@@ -563,4 +563,28 @@ public void configGet(String pattern) {
     public void configSet(String parameter, String value) {
 	sendCommand("CONFIG", "SET", parameter, value);
     }
+
+    public void strlen(String key) {
+	sendCommand("STRLEN", key);
+    }
+
+    public void sync() {
+	sendCommand("SYNC");
+    }
+
+    public void lpushx(String key, String string) {
+	sendCommand("LPUSHX", key, string);
+    }
+
+    public void persist(String key) {
+	sendCommand("PERSIST", key);
+    }
+
+    public void rpushx(String key, String string) {
+	sendCommand("RPUSHX", key, string);
+    }
+
+    public void echo(String string) {
+	sendCommand("ECHO", string);
+    }
 }

src/main/java/redis/clients/jedis/Jedis.java

@@ -790,4 +790,33 @@ public String configSet(String parameter, String value) {
     public boolean isConnected() {
 	return client.isConnected();
     }
+
+    public int strlen(String key) {
+	client.strlen(key);
+	return client.getIntegerReply();
+    }
+
+    public void sync() {
+	client.sync();
+    }
+
+    public int lpushx(String key, String string) {
+	client.lpushx(key, string);
+	return client.getIntegerReply();
+    }
+
+    public int persist(String key) {
+	client.persist(key);
+	return client.getIntegerReply();
+    }
+
+    public int rpushx(String key, String string) {
+	client.rpushx(key, string);
+	return client.getIntegerReply();
+    }
+
+    public String echo(String string) {
+	client.echo(string);
+	return client.getBulkReply();
+    }
 }

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

@@ -0,0 +1,72 @@
+package redis.clients.jedis.tests;
+
+import java.io.BufferedInputStream;
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import redis.clients.jedis.Jedis;
+import redis.clients.jedis.JedisPubSub;
+import redis.clients.jedis.Transaction;
+
+public class JedisNewCommandsCheckTest extends Assert {
+    @Test
+    @Ignore(value = "Ignored because still missing information for DEBUG and LINSERT commands")
+    public void checkJedisIsUpdated() throws IOException {
+	String[] commands = getAvailableCommands();
+	Set<String> implementedCommands = getImplementedCommands();
+
+	Set<String> missingCommands = new HashSet<String>();
+	for (String command : commands) {
+	    if (!implementedCommands.contains(command.trim())) {
+		missingCommands.add(command);
+	    }
+	}
+
+	if (!missingCommands.isEmpty()) {
+	    fail("There are missing commands: " + missingCommands.toString());
+	}
+    }
+
+    private Set<String> getImplementedCommands() {
+	Method[] methods = Jedis.class.getDeclaredMethods();
+	Set<String> implementedCommands = new HashSet<String>();
+	for (Method method : methods) {
+	    implementedCommands.add(method.getName().trim().toLowerCase());
+	}
+
+	methods = JedisPubSub.class.getDeclaredMethods();
+	for (Method method : methods) {
+	    implementedCommands.add(method.getName().trim().toLowerCase());
+	}
+
+	methods = Transaction.class.getDeclaredMethods();
+	for (Method method : methods) {
+	    implementedCommands.add(method.getName().trim().toLowerCase());
+	}
+	implementedCommands.add("config");
+	return implementedCommands;
+    }
+
+    private String[] getAvailableCommands() throws MalformedURLException,
+	    IOException {
+	URL url = new URL("http://dimaion.com/redis/master");
+	InputStream openStream = url.openStream();
+	DataInputStream dis = new DataInputStream(new BufferedInputStream(
+		openStream));
+	byte[] all = new byte[dis.available()];
+	dis.readFully(all);
+	String commandList = new String(all);
+	String[] commands = commandList.split("\n");
+	return commands;
+    }
+}

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

@@ -219,4 +219,20 @@ public void flushAll() {
 	jedis.select(1);
 	assertEquals(0, jedis.dbSize());
     }
+
+    @Test
+    public void persist() {
+	jedis.setex("foo", 60 * 60, "bar");
+	assertTrue(jedis.ttl("foo") > 0);
+	int status = jedis.persist("foo");
+	assertEquals(1, status);
+	assertEquals(-1, jedis.ttl("foo"));
+    }
+
+    @Test
+    public void echo() {
+	String result = jedis.echo("hello world");
+	assertEquals("hello world", result);
+    }
+
 }

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

@@ -16,8 +16,13 @@ public void save() {
 
     @Test
     public void bgsave() {
-	String status = jedis.bgsave();
-	assertEquals("Background saving started", status);
+	try {
+	    String status = jedis.bgsave();
+	    assertEquals("Background saving started", status);
+	} catch (JedisException e) {
+	    assertEquals("ERR background save already in progress", e
+		    .getMessage());
+	}
     }
 
     @Test
@@ -72,4 +77,10 @@ public void configSet() {
 	assertEquals("OK", status);
 	jedis.configSet("maxmemory", memory);
     }
+
+    @Test
+    public void sync() {
+	jedis.sync();
+    }
+
 }

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

@@ -249,6 +249,25 @@ public void run() {
 	assertEquals(2, result.size());
 	assertEquals("foo", result.get(0));
 	assertEquals("bar", result.get(1));
+    }
+
+    @Test
+    public void lpushx() {
+	int status = jedis.lpushx("foo", "bar");
+	assertEquals(0, status);
 
+	jedis.lpush("foo", "a");
+	status = jedis.lpushx("foo", "b");
+	assertEquals(2, status);
+    }
+
+    @Test
+    public void rpushx() {
+	int status = jedis.rpushx("foo", "bar");
+	assertEquals(0, status);
+
+	jedis.lpush("foo", "a");
+	status = jedis.rpushx("foo", "b");
+	assertEquals(2, status);
     }
 }

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

@@ -169,4 +169,10 @@ public void substr() {
 	assertEquals("This is a string", jedis.substr("s", 0, -1));
 	assertEquals(" string", jedis.substr("s", 9, 100000));
     }
+
+    @Test
+    public void strlen() {
+	jedis.set("s", "This is a string");
+	assertEquals("This is a string".length(), jedis.strlen("s"));
+    }
 }