add support for expiretime and pexpiretime

Author: mitchellhenke

lib/redis/namespace.rb

@@ -72,6 +72,7 @@ class Namespace
       "exists?"          => [ :all ],
       "expire"           => [ :first ],
       "expireat"         => [ :first ],
+      "expiretime"       => [ :first ],
       "eval"             => [ :eval_style ],
       "evalsha"          => [ :eval_style ],
       "get"              => [ :first ],
@@ -122,6 +123,7 @@ class Namespace
       "persist"          => [ :first ],
       "pexpire"          => [ :first ],
       "pexpireat"        => [ :first ],
+      "pexpiretime"      => [ :first ],
       "pfadd"            => [ :first ],
       "pfcount"          => [ :all ],
       "pfmerge"          => [ :all ],

spec/redis_spec.rb

@@ -666,6 +666,12 @@
         expect(@redis.ttl("ns:foo")).to satisfy {|v| (0..1).include?(v) }
       end
 
+      it "should namespace expiretime" do
+        @namespaced.set('mykey', 'Hello')
+        @namespaced.expireat('mykey', 2000000000)
+        expect(@namespaced.expiretime('mykey')).to eq(2000000000)
+      end
+
       it "should namespace hincrbyfloat" do
         @namespaced.hset('mykey', 'field', 10.50)
         expect(@namespaced.hincrbyfloat('mykey', 'field', 0.1)).to eq(10.6)
@@ -698,6 +704,12 @@
         expect(@namespaced.pexpire('mykey', 1555555555005)).to eq(true)
       end
 
+      it "should namespace pexpiretime" do
+        @namespaced.set('mykey', 'Hello')
+        @namespaced.pexpireat('mykey', 2000000000000)
+        expect(@namespaced.pexpiretime('mykey')).to eq(2000000000000)
+      end
+
       it "should namespace psetex" do
         expect(@namespaced.psetex('mykey', 10000, 'Hello')).to eq('OK')
         expect(@namespaced.get('mykey')).to eq('Hello')