Support nx and remove expire_in

Author: heka1024

lib/kredis/types/list.rb

@@ -20,15 +20,15 @@ def prepend(*elements)
     return if elements.flatten.empty?
 
     lpush types_to_strings(elements, typed)
-    expire_in expires_in if expires_in
+    expire expires_in.to_i, nx: true if expires_in
     elements
   end
 
   def append(*elements)
     return if elements.flatten.empty?
 
     rpush types_to_strings(elements, typed)
-    expire_in expires_in if expires_in
+    expire expires_in.to_i, nx: true if expires_in
     elements
   end
   alias << append
@@ -41,10 +41,6 @@ def last(n = nil)
     n ? lrange(-n, -1) : lrange(-1, -1).first
   end
 
-  def expire_in(seconds)
-    expire seconds.to_i
-  end
-
   private
     def set_default
       append default

test/types/list_test.rb

@@ -78,9 +78,12 @@ class ListTest < ActiveSupport::TestCase
 
   test "append with expiring list" do
     @list = Kredis.list "mylist", expires_in: 1.second
-    @list.append(%w[1 2 3])
-
-    sleep 0.5.seconds
+    @list.append(%w[1 2])
+    
+    sleep 0.2.seconds
+    @list.append(3)
+    
+    sleep 0.3.seconds
     assert_equal %w[ 1 2 3 ], @list.elements
 
     sleep 0.6.seconds
@@ -89,9 +92,12 @@ class ListTest < ActiveSupport::TestCase
 
   test "prepend with expiring list" do
     @list = Kredis.list "mylist", expires_in: 1.second
-    @list.prepend(%w[1 2 3])
+    @list.prepend(%w[1 2])
+
+    sleep 0.2.seconds
+    @list.prepend(3)
 
-    sleep 0.5.seconds
+    sleep 0.3.seconds
     assert_equal %w[ 3 2 1 ], @list.elements
 
     sleep 0.6.seconds