Add simple tests for generated commands.

Author: Erin Spiceland

package.json

@@ -30,6 +30,7 @@
     "url": "git://github.com/mranney/node_redis.git"
   },
   "dependencies": {
+    "sinon": "^1.15.4",
     "uuid": "^2.0.1"
   }
 }

test/mocha/commands/generated-commands.spec.js

@@ -0,0 +1,119 @@
+var async = require('async');
+var assert = require('assert');
+var config = require("../../lib/config");
+var nodeAssert = require('../../lib/nodeify-assertions');
+var redis = config.redis;
+var RedisProcess = require("../../lib/redis-process");
+var uuid = require('uuid');
+var commands = require("../../../lib/commands");
+var sinon = require('sinon').sandbox.create();
+
+var overwritten = ['eval', 'hmset', 'multi', 'select'];
+
+describe("The auto-generated methods", function () {
+
+    var rp;
+    before(function (done) {
+        RedisProcess.start(function (err, _rp) {
+            rp = _rp;
+            return done(err);
+        });
+    })
+
+    function removeMochaListener () {
+        var mochaListener = process.listeners('uncaughtException').pop();
+        process.removeListener('uncaughtException', mochaListener);
+        return mochaListener;
+    }
+
+    function allTests(parser, ip) {
+        var args = config.configureClient(parser, ip);
+
+        describe("using " + parser + " and " + ip, function () {
+            var key, value;
+            var client;
+
+            beforeEach(function (done) {
+                client = redis.createClient.apply(redis.createClient, args);
+                client.once("error", function onError(err) {
+                    done(err);
+                });
+                client.once("ready", function onReady() {
+                    done();
+                });
+            });
+
+            afterEach(function () {
+                client.end();
+            });
+
+            commands.forEach(function (method) {
+                if (overwritten.indexOf(method) > -1) {
+                    // these are in the list of generated commands but are later overwritten with
+                    // different behavior by node_redis
+                    return;
+                }
+
+                describe("the " + method + " method", function () {
+                    var methodArgs;
+                    var noop = function () { };
+
+                    it("calls sendCommand with whatever arguments it receives", function () {
+                        key = uuid.v4();
+                        value = uuid.v4();
+
+                        var parts = method.split(' ');
+                        var argNum = 0;
+
+                        client.send_command = sinon.spy();
+                        methodArgs = [key, value, noop];
+
+                        client[parts[0]].apply(client, methodArgs);
+
+                        assert.strictEqual(client.send_command.called, true,
+                            "Client.send_command should have been called.");
+                        assert.strictEqual(parts[0], client.send_command.args[0][argNum],
+                            "Command name '" + parts[0] + "' should be passed as arg " +
+                            argNum + " to send_command");
+                        argNum++;
+                        /*
+                         * Um, except this doesn't work? The second part of the command is never sent????
+                        if (parts[1]) {
+                            assert.strictEqual(parts[1], client.send_command.args[0][argNum],
+                                "Second command '" + parts[1] + "' should be passed as arg " +
+                                argNum + " to send_command");
+                            argNum++;
+                        }
+                        */
+                        assert.strictEqual(methodArgs.length, client.send_command.args[0][argNum].length,
+                            "The rest of the args to " + method + " should be passed as arg an array to send_command");
+                        assert.strictEqual(methodArgs[0], client.send_command.args[0][argNum][0],
+                            "Arg " + argNum + " to " + method + " should be passed as arg " +
+                            argNum + " to send_command");
+                        assert.strictEqual(methodArgs[1], client.send_command.args[0][argNum][1],
+                            "Arg " + argNum + " to " + method + " should be passed as arg " +
+                            argNum + " to send_command");
+                        assert.strictEqual(methodArgs[2], client.send_command.args[0][argNum][2],
+                            "Arg " + argNum + " to " + method + " should be passed as arg " +
+                            argNum + " to send_command");
+                    });
+                });
+            });
+        });
+    }
+
+    ['javascript', 'hiredis'].forEach(function (parser) {
+        allTests(parser, "/tmp/redis.sock");
+        ['IPv4', 'IPv6'].forEach(function (ip) {
+            allTests(parser, ip);
+        })
+    });
+
+    afterEach(function () {
+        sinon.restore();
+    });
+
+    after(function (done) {
+        if (rp) rp.stop(done);
+    });
+});