Add a lot more tests to indicate that the everything is consistent

Add a test for #390

More special cases

test/commands/rpush.spec.js

@@ -0,0 +1,37 @@
+'use strict';
+
+var config = require("../lib/config");
+var helper = require("../helper");
+var redis = config.redis;
+var assert = require('assert');
+
+describe("The 'rpush' command", function () {
+
+    helper.allTests(function(parser, ip, args) {
+
+        describe("using " + parser + " and " + ip, function () {
+            var client;
+
+            beforeEach(function (done) {
+                client = redis.createClient.apply(redis.createClient, args);
+                client.once("error", done);
+                client.once("connect", function () {
+                    client.flushdb(done);
+                });
+            });
+
+            it('inserts multiple values at a time into a list', function (done) {
+                client.rpush('test', ['list key', 'should be a list']);
+                client.lrange('test', 0, -1, function(err, res) {
+                    assert.equal(res[0], 'list key');
+                    assert.equal(res[1], 'should be a list');
+                    done(err);
+                });
+            });
+
+            afterEach(function () {
+                client.end();
+            });
+        });
+    });
+});