Add RedisTemplate methods for executing Redis scripts

DATAREDIS-199

src/test/resources/org/springframework/data/redis/core/script/DefaultScriptExecutorTests-context.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+	<bean id="lettuceConnectionFactory "
+		class="org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory">
+		<property name="hostName">
+			<bean class="org.springframework.data.redis.SettingsUtils" factory-method="getHost" />
+		</property>
+		<property name="port">
+			<bean class="org.springframework.data.redis.SettingsUtils" factory-method="getPort" />
+		</property>
+	</bean>
+
+</beans>

src/test/resources/org/springframework/data/redis/core/script/bulkpop.lua

@@ -0,0 +1,7 @@
+local size=redis.call('LLEN',KEYS[1])
+local max = math.min(size,ARGV[1])
+local t={}
+for variable = 1, max, 1 do
+  table.insert(t,redis.call('RPOP',KEYS[1]))
+end
+return t

src/test/resources/org/springframework/data/redis/core/script/cas.lua

@@ -0,0 +1,7 @@
+local current = redis.call('GET', KEYS[1])
+if current == ARGV[1]
+then
+	redis.call('SET', KEYS[1], ARGV[2])
+	return true
+end
+return false

src/test/resources/org/springframework/data/redis/core/script/increment.lua

@@ -0,0 +1,5 @@
+if redis.call("EXISTS",KEYS[1]) == 1 then
+  return redis.call("INCR",KEYS[1])
+else
+  return nil
+end

src/test/resources/org/springframework/data/redis/core/script/popandlength.lua

@@ -0,0 +1,4 @@
+local t={}
+table.insert(t,redis.call('RPOP',KEYS[1]))
+table.insert(t,redis.call('LLEN',KEYS[1]))
+return t