mithril-vndb/api/tests/test-pubsub.js
impinball b4fb21475c Add editorconfig, resolve differences
This includes newlines, tabs, among other things.
2016-06-18 03:22:12 -04:00

75 lines
1.3 KiB
JavaScript

"use strict"
var o = require("../../ospec/ospec")
var apiPubSub = require("../../api/pubsub")
o.spec("pubsub", function() {
var pubsub
o.beforeEach(function() {
pubsub = apiPubSub()
})
o("shouldn't error if there are no renderers", function() {
pubsub.publish()
})
o("should run a single renderer entry", function() {
var spy = o.spy()
pubsub.subscribe(spy)
pubsub.publish()
o(spy.callCount).equals(1)
pubsub.publish()
pubsub.publish()
pubsub.publish()
o(spy.callCount).equals(4)
})
o("should run all renderer entries", function() {
var spy1 = o.spy()
var spy2 = o.spy()
var spy3 = o.spy()
pubsub.subscribe(spy1)
pubsub.subscribe(spy2)
pubsub.subscribe(spy3)
pubsub.publish()
o(spy1.callCount).equals(1)
o(spy2.callCount).equals(1)
o(spy3.callCount).equals(1)
pubsub.publish()
o(spy1.callCount).equals(2)
o(spy2.callCount).equals(2)
o(spy3.callCount).equals(2)
})
o("should stop running after unsubscribe", function() {
var spy = o.spy()
pubsub.subscribe(spy)
pubsub.unsubscribe(spy)
pubsub.publish()
o(spy.callCount).equals(0)
})
o("does nothing on invalid unsubscribe", function() {
var spy = o.spy()
pubsub.subscribe(spy)
pubsub.unsubscribe(null)
pubsub.publish()
o(spy.callCount).equals(1)
})
})