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Save and clear client state. Restore it after the connection is ready.

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This change stores the connection state regarding subscriptions,
selected db and monitoring. When the connection to Redis drops, the state
is reestablished after a succesful reconnect. Fixes #241. Fixes #210.

Signed-off-by: DTrejo <david.trejo@voxer.com>
This commit is contained in:
Ignacio Burgueño
2012-07-06 16:19:25 -03:00
committed by DTrejo
parent a5ea716ccb
commit 50914baa7f
2 changed files with 92 additions and 1 deletions
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60
test.js
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@@ -619,6 +619,66 @@ tests.SUBSCRIBE_QUIT = function () {
client3.subscribe("chan3");
};
tests.SUBSCRIBE_CLOSE_RESUBSCRIBE = function () {
var name = "SUBSCRIBE_CLOSE_RESUBSCRIBE";
var c1 = redis.createClient();
var c2 = redis.createClient();
var count = 0;
/* Create two clients. c1 subscribes to two channels, c2 will publish to them.
c2 publishes the first message.
c1 gets the message and drops its connection. It must resubscribe itself.
When it resubscribes, c2 publishes the second message, on the same channel
c1 gets the message and drops its connection. It must resubscribe itself, again.
When it resubscribes, c2 publishes the third message, on the second channel
c1 gets the message and drops its connection. When it reconnects, the test ends.
*/
c1.on("message", function(channel, message) {
if (channel === "chan1") {
assert.strictEqual(message, "hi on channel 1");
c1.stream.end();
} else if (channel === "chan2") {
assert.strictEqual(message, "hi on channel 2");
c1.stream.end();
} else {
c1.quit();
c2.quit();
assert.fail("test failed");
}
})
c1.subscribe("chan1", "chan2");
c2.once("ready", function() {
console.log("c2 is ready");
c1.on("ready", function(err, results) {
console.log("c1 is ready", count);
count++;
if (count == 1) {
c2.publish("chan1", "hi on channel 1");
return;
} else if (count == 2) {
c2.publish("chan2", "hi on channel 2");
} else {
c1.quit(function() {
c2.quit(function() {
next(name);
});
});
}
});
c2.publish("chan1", "hi on channel 1");
});
};
tests.EXISTS = function () {
var name = "EXISTS";
client.del("foo", "foo2", require_number_any(name));