tests: fix buffer test (failed due to new parser) & remove unused node feature checks (< 4)

lib/commands.js

@@ -4,18 +4,6 @@ var commands = require('redis-commands');
 var Multi = require('./multi');
 var RedisClient = require('../').RedisClient;
 var Command = require('./command');
-// Feature detect if a function may change it's name
-var changeFunctionName = (function () {
-    var fn = function abc () {};
-    try {
-        Object.defineProperty(fn, 'name', {
-            value: 'foobar'
-        });
-        return true;
-    } catch (e) {
-        return false;
-    }
-}());
 
 var addCommand = function (command) {
     // Some rare Redis commands use special characters in their command name
@@ -61,11 +49,9 @@ var addCommand = function (command) {
         if (commandName !== command) {
             RedisClient.prototype[commandName.toUpperCase()] = RedisClient.prototype[commandName] = RedisClient.prototype[command];
         }
-        if (changeFunctionName) {
-            Object.defineProperty(RedisClient.prototype[command], 'name', {
-                value: commandName
-            });
-        }
+        Object.defineProperty(RedisClient.prototype[command], 'name', {
+            value: commandName
+        });
     }
 
     // Do not override existing functions
@@ -108,11 +94,9 @@ var addCommand = function (command) {
         if (commandName !== command) {
             Multi.prototype[commandName.toUpperCase()] = Multi.prototype[commandName] = Multi.prototype[command];
         }
-        if (changeFunctionName) {
-            Object.defineProperty(Multi.prototype[command], 'name', {
-                value: commandName
-            });
-        }
+        Object.defineProperty(Multi.prototype[command], 'name', {
+            value: commandName
+        });
     }
 };