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mirror of https://github.com/redis/node-redis.git synced 2025-08-06 02:15:48 +03:00

Fix pub sub mode

There is likely a better and more performant way to fix this but this works so far
and should be good enough to release and improve later.

Make test more robust

Add another test
This commit is contained in:
Ruben Bridgewater
2016-03-25 23:15:44 +01:00
parent 5294917280
commit 7a5a4aa535
9 changed files with 520 additions and 170 deletions

View File

@@ -303,12 +303,7 @@ describe("The node_redis client", function () {
});
});
// TODO: we should only have a single subscription in this this
// test but unsubscribing from the single channel indicates
// that one subscriber still exists, let's dig into this.
describe("and it's subscribed to a channel", function () {
// reconnect_select_db_after_pubsub
// Does not pass.
// "Connection in subscriber mode, only subscriber commands may be used"
it("reconnects, unsubscribes, and can retrieve the pre-existing data", function (done) {
client.on("ready", function on_connect() {
@@ -316,6 +311,28 @@ describe("The node_redis client", function () {
client.on('unsubscribe', function (channel, count) {
// we should now be out of subscriber mode.
assert.strictEqual(channel, "recon channel");
assert.strictEqual(count, 0);
client.set('foo', 'bar', helper.isString('OK', done));
});
});
client.set("recon 1", "one");
client.subscribe("recon channel", function (err, res) {
// Do not do this in normal programs. This is to simulate the server closing on us.
// For orderly shutdown in normal programs, do client.quit()
client.stream.destroy();
});
});
it("reconnects, unsubscribes, and can retrieve the pre-existing data of a explicit channel", function (done) {
client.on("ready", function on_connect() {
client.unsubscribe('recon channel', helper.isNotError());
client.on('unsubscribe', function (channel, count) {
// we should now be out of subscriber mode.
assert.strictEqual(channel, "recon channel");
assert.strictEqual(count, 0);
client.set('foo', 'bar', helper.isString('OK', done));
});
});
@@ -452,6 +469,54 @@ describe("The node_redis client", function () {
client.mget("hello", 'world');
});
});
it('monitors works in combination with the pub sub mode and the offline queue', function (done) {
var responses = [];
var pub = redis.createClient();
pub.on('ready', function () {
client.MONITOR(function (err, res) {
assert.strictEqual(res, 'OK');
pub.get('foo', helper.isNull());
});
client.subscribe('/foo', '/bar');
client.unsubscribe('/bar');
setTimeout(function () {
client.stream.destroy();
client.once('ready', function () {
pub.publish('/foo', 'hello world');
});
client.set('foo', 'bar', helper.isError());
client.subscribe('baz');
client.unsubscribe('baz');
}, 150);
var called = false;
client.on("monitor", function (time, args, rawOutput) {
responses.push(args);
assert(utils.monitor_regex.test(rawOutput), rawOutput);
if (responses.length === 7) {
assert.deepEqual(responses[0], ['subscribe', '/foo', '/bar']);
assert.deepEqual(responses[1], ['unsubscribe', '/bar']);
assert.deepEqual(responses[2], ['get', 'foo']);
assert.deepEqual(responses[3], ['subscribe', '/foo']);
assert.deepEqual(responses[4], ['subscribe', 'baz']);
assert.deepEqual(responses[5], ['unsubscribe', 'baz']);
assert.deepEqual(responses[6], ['publish', '/foo', 'hello world']);
// The publish is called right after the reconnect and the monitor is called before the message is emitted.
// Therefor we have to wait till the next tick
process.nextTick(function () {
assert(called);
client.quit(done);
pub.end(false);
});
}
});
client.on('message', function (channel, msg) {
assert.strictEqual(channel, '/foo');
assert.strictEqual(msg, 'hello world');
called = true;
});
});
});
});
describe('idle', function () {