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Implement retry_strategy and add more info to the reconnect event

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This commit is contained in:
Ruben Bridgewater
2016-03-01 16:55:12 +01:00
parent 5e8a87b4dc
commit cc540dbc3c
2 changed files with 100 additions and 13 deletions
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59
test/connection.spec.js
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@@ -127,6 +127,65 @@ describe("connection tests", function () {
client.stream.destroy();
});
});
it("retry_strategy used to reconnect with individual error", function (done) {
var text = '';
var unhookIntercept = intercept(function (data) {
text += data;
return '';
});
var end = helper.callFuncAfter(done, 2);
client = redis.createClient({
retry_strategy: function (options) {
if (options.total_retry_time > 150) {
client.set('foo', 'bar', function (err, res) {
assert.strictEqual(err.message, 'Connection timeout');
end();
});
// Pass a individual error message to the error handler
return new Error('Connection timeout');
}
return Math.min(options.attempt * 25, 200);
},
max_attempts: 5,
retry_max_delay: 123,
port: 9999
});
client.on('error', function(err) {
unhookIntercept();
assert.strictEqual(
text,
'node_redis: WARNING: You activated the retry_strategy and max_attempts at the same time. This is not possible and max_attempts will be ignored.\n' +
'node_redis: WARNING: You activated the retry_strategy and retry_max_delay at the same time. This is not possible and retry_max_delay will be ignored.\n'
);
assert.strictEqual(err.message, 'Connection timeout');
assert(!err.code);
end();
});
});
it("retry_strategy used to reconnect", function (done) {
var end = helper.callFuncAfter(done, 2);
client = redis.createClient({
retry_strategy: function (options) {
if (options.total_retry_time > 150) {
client.set('foo', 'bar', function (err, res) {
assert.strictEqual(err.code, 'ECONNREFUSED');
end();
});
return false;
}
return Math.min(options.attempt * 25, 200);
},
port: 9999
});
client.on('error', function(err) {
assert.strictEqual(err.code, 'ECONNREFUSED');
end();
});
});
});
describe("when not connected", function () {