nicdex/node-eventstore-client
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Fix #41

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This commit is contained in:
Nicolas Dextraze 2017-06-24 11:32:04 -07:00
parent 8735b23bf9
commit 1d21facd2c
4 changed files with 61 additions and 5 deletions
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2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "node-eventstore-client",
"version": "0.1.3",
"version": "0.1.4",
"description": "A port of the EventStore .Net ClientAPI to Node.js",
"main": "index.js",
"types": "index.d.ts",

1
src/eventStoreNodeConnection.js
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@ -441,6 +441,7 @@ EventStoreNodeConnection.prototype.subscribeToStreamFrom = function(
userCredentials, readBatchSize
) {
if (typeof stream !== 'string' || stream === '') throw new TypeError("stream must be a non-empty string.");
if (lastCheckpoint !== null && typeof lastCheckpoint !== 'number') throw new TypeError("lastCheckpoint must be a number or null.");
if (typeof eventAppeared !== 'function') throw new TypeError("eventAppeared must be a function.");
var catchUpSubscription =

4
src/eventStoreStreamCatchUpSubscription.js
View File

@ -14,8 +14,8 @@ function EventStoreStreamCatchUpSubscription(
//Ensure.NotNullOrEmpty(streamId, "streamId");
this._lastProcessedEventNumber = fromEventNumberExclusive || -1;
this._nextReadEventNumber = fromEventNumberExclusive || 0;
this._lastProcessedEventNumber = fromEventNumberExclusive === null ? -1 : fromEventNumberExclusive;
this._nextReadEventNumber = fromEventNumberExclusive === null ? 0 : fromEventNumberExclusive + 1;
}
util.inherits(EventStoreStreamCatchUpSubscription, EventStoreCatchUpSubscription);

59
test/subscribeToStreamFrom_test.js
View File

@ -7,8 +7,8 @@ function createRandomEvent() {
}
module.exports = {
'Test Subscribe to Stream From Happy Path': function(test) {
test.expect(20);
'Test Subscribe to Stream From Beginning (null)': function(test) {
test.expect(22);
var self = this;
var liveProcessing = false;
var catchUpEvents = [];
@ -41,8 +41,10 @@ module.exports = {
function subscriptionDropped(connection, reason, error) {
test.ok(liveEvents.length === 1, "Expecting 1 live event, got " + liveEvents.length);
test.testLiveEvent('liveEvents[0]', liveEvents[0]);
test.ok(liveEvents[0].originalEventNumber, 1);
test.ok(catchUpEvents.length === 1, "Expecting 1 catchUp event, got " + catchUpEvents.length);
test.testReadEvent('catchUpEvents[0]', catchUpEvents[0]);
test.ok(liveEvents[0].originalEventNumber, 0);
done(error);
}
@ -57,6 +59,59 @@ module.exports = {
test.areEqual("subscription.maxPushQueueSize", subscription.maxPushQueueSize, 10000);
})
.catch(test.done);
},
'Test Subscribe to Stream From 0': function(test) {
test.expect(22);
var self = this;
var liveProcessing = false;
var catchUpEvents = [];
var liveEvents = [];
var _doneCount = 0;
function done(err) {
test.ok(!err, err ? err.stack : '');
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.testLiveEvent('liveEvents[0]', liveEvents[0]);
test.ok(liveEvents[0].originalEventNumber, 2);
test.ok(catchUpEvents.length === 1, "Expecting 1 catchUp event, got " + catchUpEvents.length);
test.testReadEvent('catchUpEvents[0]', catchUpEvents[0]);
test.ok(liveEvents[0].originalEventNumber, 1);
done(error);
}
var events = [createRandomEvent(), createRandomEvent()];
this.conn.appendToStream(self.testStreamName, client.expectedVersion.noStream, events)
.then(function() {
var subscription = self.conn.subscribeToStreamFrom(self.testStreamName, 0, false, eventAppeared, liveProcessingStarted, subscriptionDropped);
test.areEqual("subscription.streamId", subscription.streamId, self.testStreamName);
test.areEqual("subscription.isSubscribedToAll", subscription.isSubscribedToAll, false);
test.areEqual("subscription.readBatchSize", subscription.readBatchSize, 500);
test.areEqual("subscription.maxPushQueueSize", subscription.maxPushQueueSize, 10000);
})
.catch(test.done);
}
};