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test.js
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test.js
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var test = require('tap').test
, mqemitter = require('mqemitter')
, mqbroker = require('./')
function subscribeAndPublish(t, mq) {
t.plan(1)
var broker = mqbroker(mq)
, stream = broker.stream()
, sub = {
cmd: 'subscribe'
, topic: 'hello'
}
, msg = {
cmd: 'publish'
, topic: 'hello'
, payload: 'world'
}
stream.write(sub, function() {
broker.stream().end(msg)
})
stream.on('data', function(data) {
t.deepEqual(data, msg)
})
}
test('subscribing and publishing', function(t) {
subscribeAndPublish(t)
})
test('subscribing and publishing with a given mq', function(t) {
subscribeAndPublish(t, mqemitter())
})
test('publish event', function(t) {
t.plan(2)
var broker = mqbroker()
, msg = {
cmd: 'publish'
, topic: 'hello'
, payload: 'world'
}
, stream = broker.stream()
broker.on('publish', function(data, client) {
t.deepEqual(data, msg)
t.equal(client, stream)
})
stream.end(msg)
})
test('subscribe event', function(t) {
t.plan(2)
var broker = mqbroker()
, msg = {
cmd: 'subscribe'
, topic: 'hello'
}
, stream = broker.stream()
broker.on('subscribe', function(data, client) {
t.deepEqual(data, msg)
t.equal(client, stream)
})
stream.end(msg)
})
test('unsubscribe', function(t) {
var broker = mqbroker()
, stream = broker.stream()
, sub = {
cmd: 'subscribe'
, topic: 'hello'
}
, msg = {
cmd: 'publish'
, topic: 'hello'
, payload: 'world'
}
stream.write(sub, function() {
sub.cmd = 'unsubscribe'
stream.write(sub, function() {
broker.stream().end(msg, function() {
t.end()
})
})
})
stream.on('data', function(data) {
t.ok(false, 'never emits data')
})
})
test('unsubscribe event', function(t) {
t.plan(2)
var broker = mqbroker()
, msg = {
cmd: 'unsubscribe'
, topic: 'hello'
}
, stream = broker.stream()
broker.on('unsubscribe', function(data, client) {
t.deepEqual(data, msg)
t.equal(client, stream)
})
stream.end(msg)
})
test('error with no topic', function(t) {
t.plan(1)
var broker = mqbroker()
, msg = {
cmd: 'publish'
, payload: 'world'
}
, stream = broker.stream()
stream.on('error', function(err) {
t.equal(err.message, 'no topic specified')
})
stream.end(msg)
})