Add hstrlen (note: only available in Redis 3.2)

Redis/include/Poco/Redis/Command.h

@@ -108,6 +108,9 @@ public:
 	static Command hset(const std::string& hash, const std::string& field, Int64 value, bool create = true);
 		/// Returns an HSET or HSETNX (when create is false) command
 
+	static Command hstrlen(const std::string& hash, const std::string& field);
+		/// Returns an HSTRLEN command
+
 	static Command incr(const std::string& key, Int64 by = 0);
 		/// Returns an INCR or INCRBY command. Calls INCR when by is omitted or zero.
 

Redis/src/Command.cpp

@@ -215,6 +215,15 @@ Command Command::hset(const std::string& hash, const std::string& field, Int64 v
 	return hset(hash, field, NumberFormatter::format(value), create);
 }
 
+Command Command::hstrlen(const std::string& hash, const std::string& field)
+{
+	Command cmd("HSTRLEN");
+
+	cmd << hash << field;
+
+	return cmd;
+}
+
 Command Command::incr(const std::string& key, Int64 by)
 {
 	Command cmd(by == 0 ? "INCR" : "INCRBY");

Redis/testsuite/src/RedisTest.cpp

@@ -752,6 +752,66 @@ void RedisTest::testHMSET()
 
 }
 
+void RedisTest::testHSTRLEN()
+{
+	if (!_connected)
+	{
+		std::cout << "Not connected, test skipped." << std::endl;
+		return;
+	}
+
+	delKey("myhash");
+
+	std::map<std::string, std::string> fields;
+	fields.insert(std::make_pair<std::string, std::string>("f1", "HelloWorld"));
+	fields.insert(std::make_pair<std::string, std::string>("f2", "99"));
+	fields.insert(std::make_pair<std::string, std::string>("f3", "-256"));
+
+	Command hmset = Command::hmset("myhash", fields);
+	try
+	{
+		std::string result = _redis.execute<std::string>(hmset);
+		assert(result.compare("OK") == 0);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+
+	Command hstrlen = Command::hstrlen("myhash", "f1");
+	try
+	{
+		Poco::Int64 len = _redis.execute<Poco::Int64>(hstrlen);
+		assert(len == 10);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+
+	hstrlen = Command::hstrlen("myhash", "f2");
+	try
+	{
+		Poco::Int64 len = _redis.execute<Poco::Int64>(hstrlen);
+		assert(len == 2);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+
+	hstrlen = Command::hstrlen("myhash", "f3");
+	try
+	{
+		Poco::Int64 len = _redis.execute<Poco::Int64>(hstrlen);
+		assert(len == 4);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+}
+
 void RedisTest::testINCR()
 {
 	if (!_connected)
@@ -2792,6 +2852,7 @@ CppUnit::Test* RedisTest::suite()
 	CppUnit_addTest(pSuite, RedisTest, testHMGET);
 	CppUnit_addTest(pSuite, RedisTest, testHMSET);
 	CppUnit_addTest(pSuite, RedisTest, testHSET);
+	//CppUnit_addTest(pSuite, RedisTest, testHSTRLEN);
 	CppUnit_addTest(pSuite, RedisTest, testINCR);
 	CppUnit_addTest(pSuite, RedisTest, testINCRBY);
 	CppUnit_addTest(pSuite, RedisTest, testLINDEX);

Redis/testsuite/src/RedisTest.h

@@ -45,6 +45,7 @@ public:
 	void testHMGET();
 	void testHMSET();
 	void testHSET();
+	void testHSTRLEN();
 	void testINCR();
 	void testINCRBY();
 	void testLINDEX();