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Merge pull request #835 from fintura/remove-stuff

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Remove send_command safety checks. Fixes #629
This commit is contained in:
Ruben Bridgewater
2015-09-16 05:21:18 +02:00
parent eea9d2af76 005e869d83
commit 403bfb0200
2 changed files with 55 additions and 28 deletions
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45
index.js
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@@ -661,37 +661,26 @@ function Command(command, args, sub_command, buffer_args, callback) {
}
RedisClient.prototype.send_command = function (command, args, callback) {
var arg, command_obj, i, elem_count, buffer_args, stream = this.stream, command_str = "", buffered_writes = 0, last_arg_type;
var arg, command_obj, i, elem_count, buffer_args, stream = this.stream, command_str = "", buffered_writes = 0;
if (typeof command !== "string") {
throw new Error("First argument to send_command must be the command name string, not " + typeof command);
// if (typeof callback === "function") {}
// probably the fastest way:
// client.command([arg1, arg2], cb); (straight passthrough)
// send_command(command, [arg1, arg2], cb);
if (args === undefined) {
args = [];
} else if (!callback && typeof args[args.length - 1] === "function") {
// most people find this variable argument length form more convenient, but it uses arguments, which is slower
// client.command(arg1, arg2, cb); (wraps up arguments into an array)
// send_command(command, [arg1, arg2, cb]);
// client.command(arg1, arg2); (callback is optional)
// send_command(command, [arg1, arg2]);
// client.command(arg1, arg2, undefined); (callback is undefined)
// send_command(command, [arg1, arg2, undefined]);
callback = args.pop();
}
if (Array.isArray(args)) {
if (typeof callback === "function") {
// probably the fastest way:
// client.command([arg1, arg2], cb); (straight passthrough)
// send_command(command, [arg1, arg2], cb);
} else if (!callback) {
// most people find this variable argument length form more convenient, but it uses arguments, which is slower
// client.command(arg1, arg2, cb); (wraps up arguments into an array)
// send_command(command, [arg1, arg2, cb]);
// client.command(arg1, arg2); (callback is optional)
// send_command(command, [arg1, arg2]);
// client.command(arg1, arg2, undefined); (callback is undefined)
// send_command(command, [arg1, arg2, undefined]);
last_arg_type = typeof args[args.length - 1];
if (last_arg_type === "function" || last_arg_type === "undefined") {
callback = args.pop();
}
} else {
throw new Error("send_command: last argument must be a callback or undefined");
}
} else {
throw new Error("send_command: second argument must be an array");
}
if (callback && process.domain) {
if (process.domain && callback) {
callback = process.domain.bind(callback);
}

38
test/node_redis.spec.js
View File

@@ -117,6 +117,44 @@ describe("The node_redis client", function () {
client.end();
});
describe("send_command", function () {
it("omitting args should be fine in some cases", function (done) {
client.send_command("info", undefined, function(err, res) {
assert(/redis_version/.test(res));
done();
});
});
it("using another type as cb should just work as if there were no callback parameter", function (done) {
client.send_command('set', ['test', 'bla'], [true]);
client.get('test', function(err, res) {
assert.equal(res, 'bla');
done();
});
});
it("misusing the function should eventually throw (no command)", function (done) {
var mochaListener = helper.removeMochaListener();
process.once('uncaughtException', function (err) {
process.on('uncaughtException', mochaListener);
assert(/is not a function|toUpperCase/.test(err));
done();
});
client.send_command(true, 'info');
});
it("misusing the function should eventually throw (wrong args)", function (done) {
client.send_command('info', false, function(err, res) {
assert.equal(err.message, 'ERR Protocol error: invalid multibulk length');
done();
});
});
});
describe("when redis closes unexpectedly", function () {
it("reconnects and can retrieve the pre-existing data", function (done) {
client.on("reconnecting", function on_recon(params) {