Fix a test and add some more

test/commands/zscore.spec.js

@@ -0,0 +1,35 @@
+'use strict';
+
+var config = require("../lib/config");
+var helper = require("../helper");
+var assert = require('assert');
+var redis = config.redis;
+
+describe("The 'zscore' method", 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("connect", function () {
+                    client.flushdb(done);
+                });
+            });
+
+            it('should return the score of member in the sorted set at key', function (done) {
+                client.zadd('myzset', 1, 'one');
+                client.zscore('myzset', 'one', function (err, res) {
+                    assert.equal(res, 1);
+                    done();
+                });
+            });
+
+            afterEach(function () {
+                client.end();
+            });
+        });
+    });
+});