From 8d08cc3909497d9d30774410b15ab5b19d21c2c5 Mon Sep 17 00:00:00 2001
From: fbraem <franky.braem@gmail.com>
Date: Tue, 17 Nov 2015 21:38:07 +0100
Subject: [PATCH] Add hexists

---
 Redis/include/Poco/Redis/Command.h |  5 +++-
 Redis/src/Command.cpp              |  9 ++++++
 Redis/testsuite/src/RedisTest.cpp  | 45 ++++++++++++++++++++++++++++++
 Redis/testsuite/src/RedisTest.h    |  1 +
 4 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/Redis/include/Poco/Redis/Command.h b/Redis/include/Poco/Redis/Command.h
index 94a6f1ebe..970156e5a 100644
--- a/Redis/include/Poco/Redis/Command.h
+++ b/Redis/include/Poco/Redis/Command.h
@@ -71,10 +71,13 @@ public:
 
 	static Command hdel(const std::string& hash, const std::string& field);
 		/// Returns an HDEL command
-	
+
 	static Command hdel(const std::string& hash, const std::vector<std::string>& fields);
 		/// Returns an HDEL command
 
+	static Command hexists(const std::string& hash, const std::string& field);
+		/// Returns an HEXISTS command
+
 	static Command hget(const std::string& hash, const std::string& field);
 		/// Returns an HGET command
 
diff --git a/Redis/src/Command.cpp b/Redis/src/Command.cpp
index 78a08bb11..6b0e945f5 100644
--- a/Redis/src/Command.cpp
+++ b/Redis/src/Command.cpp
@@ -140,6 +140,15 @@ Command Command::hdel(const std::string& hash, const std::vector<std::string>& f
 	return cmd;
 }
 
+Command Command::hexists(const std::string& hash, const std::string& field)
+{
+	Command cmd("HEXISTS");
+
+	cmd << hash << field;
+
+	return cmd;
+}
+
 Command Command::hget(const std::string& hash, const std::string& field)
 {
 	Command cmd("HGET");
diff --git a/Redis/testsuite/src/RedisTest.cpp b/Redis/testsuite/src/RedisTest.cpp
index 7a310cfa9..26a193e1e 100644
--- a/Redis/testsuite/src/RedisTest.cpp
+++ b/Redis/testsuite/src/RedisTest.cpp
@@ -418,6 +418,50 @@ void RedisTest::testHDEL()
 	}
 }
 
+void RedisTest::testHEXISTS()
+{
+	if (!_connected)
+	{
+		std::cout << "Not connected, test skipped." << std::endl;
+		return;
+	}
+
+	delKey("myhash");
+
+	Command hset = Command::hset("myhash", "field1", "foo");
+	try
+	{
+		Poco::Int64 value = _redis.execute<Poco::Int64>(hset);
+		assert(value == 1);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+
+	Command hexists = Command::hexists("myhash", "field1");
+	try
+	{
+		Poco::Int64 result = _redis.execute<Poco::Int64>(hexists);
+		assert(result == 1);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+
+	hexists = Command::hexists("myhash", "field2");
+	try
+	{
+		Poco::Int64 result = _redis.execute<Poco::Int64>(hexists);
+		assert(result == 0);
+	}
+	catch(RedisException &e)
+	{
+		fail(e.message());
+	}
+}
+
 void RedisTest::testHSET()
 {
 	if (!_connected)
@@ -2483,6 +2527,7 @@ CppUnit::Test* RedisTest::suite()
 	CppUnit_addTest(pSuite, RedisTest, testError);
 	CppUnit_addTest(pSuite, RedisTest, testEVAL);
 	CppUnit_addTest(pSuite, RedisTest, testHDEL);
+	CppUnit_addTest(pSuite, RedisTest, testHEXISTS);
 	CppUnit_addTest(pSuite, RedisTest, testHSET);
 	CppUnit_addTest(pSuite, RedisTest, testINCR);
 	CppUnit_addTest(pSuite, RedisTest, testINCRBY);
diff --git a/Redis/testsuite/src/RedisTest.h b/Redis/testsuite/src/RedisTest.h
index 541ce363f..642358012 100644
--- a/Redis/testsuite/src/RedisTest.h
+++ b/Redis/testsuite/src/RedisTest.h
@@ -38,6 +38,7 @@ public:
 	void testError();
 	void testEVAL();
 	void testHDEL();
+	void testHEXISTS();
 	void testHSET();
 	void testINCR();
 	void testINCRBY();