node-eventstore-client/test/subscribeToAllFrom_test.js

50 lines
1.6 KiB
JavaScript

var util = require('util');
var uuid = require('uuid');
var client = require('../src/client');
const allCredentials = new client.UserCredentials("admin", "changeit");
function createRandomEvent() {
return client.createJsonEventData(uuid.v4(), {a: uuid.v4(), b: Math.random()}, {createdAt: Date.now()}, 'testEvent');
}
module.exports = {
'Test Subscribe to All From': function(test) {
test.expect(4);
var self = this;
var liveProcessing = false;
var catchUpEvents = [];
var liveEvents = [];
var _doneCount = 0;
function done(err) {
test.ok(!err, err ? err.stack : '');
_doneCount++;
if (_doneCount < 2) return;
test.done();
}
function eventAppeared(s, e) {
if (liveProcessing) {
liveEvents.push(e);
s.stop();
} else {
catchUpEvents.push(e);
}
}
function liveProcessingStarted() {
liveProcessing = true;
var events = [createRandomEvent()];
self.conn.appendToStream(self.testStreamName, client.expectedVersion.any, events)
.then(function () {
done();
})
.catch(done);
}
function subscriptionDropped(connection, reason, error) {
test.ok(liveEvents.length === 1, "Expecting 1 live event, got " + liveEvents.length);
test.ok(catchUpEvents.length > 1, "Expecting at least 1 catchUp event, got " + catchUpEvents.length);
done(error);
}
var subscription = this.conn.subscribeToAllFrom(null, false, eventAppeared, liveProcessingStarted, subscriptionDropped, allCredentials);
}
};
require('./common/base_test').init(module.exports);