2020-05-26 18:17:24 +02:00

98 lines
2.0 KiB
JavaScript

"use strict"
var o = require("../../ospec/ospec")
var domMock = require("../../test-utils/domMock")
var apiRedraw = require("../../api/redraw")
o.spec("redrawService", function() {
var root, redrawService, $document
o.beforeEach(function() {
var $window = domMock()
root = $window.document.body
redrawService = apiRedraw($window)
$document = $window.document
})
o("shouldn't error if there are no renderers", function() {
redrawService.redraw()
})
o("should run a single renderer entry", function(done) {
var spy = o.spy()
redrawService.subscribe(root, spy)
o(spy.callCount).equals(0)
redrawService.redraw()
o(spy.callCount).equals(1)
redrawService.redraw()
redrawService.redraw()
redrawService.redraw()
o(spy.callCount).equals(1)
setTimeout(function() {
o(spy.callCount).equals(2)
done()
}, 20)
})
o("should run all renderer entries", function(done) {
var el1 = $document.createElement("div")
var el2 = $document.createElement("div")
var el3 = $document.createElement("div")
var spy1 = o.spy()
var spy2 = o.spy()
var spy3 = o.spy()
redrawService.subscribe(el1, spy1)
redrawService.subscribe(el2, spy2)
redrawService.subscribe(el3, spy3)
redrawService.redraw()
o(spy1.callCount).equals(1)
o(spy2.callCount).equals(1)
o(spy3.callCount).equals(1)
redrawService.redraw()
o(spy1.callCount).equals(1)
o(spy2.callCount).equals(1)
o(spy3.callCount).equals(1)
setTimeout(function() {
o(spy1.callCount).equals(2)
o(spy2.callCount).equals(2)
o(spy3.callCount).equals(2)
done()
}, 20)
})
o("should stop running after unsubscribe", function() {
var spy = o.spy()
redrawService.subscribe(root, spy)
redrawService.unsubscribe(root, spy)
redrawService.redraw()
o(spy.callCount).equals(0)
})
o("does nothing on invalid unsubscribe", function() {
var spy = o.spy()
redrawService.subscribe(root, spy)
redrawService.unsubscribe(null)
redrawService.redraw()
o(spy.callCount).equals(1)
})
})