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100 lines
2.8 KiB
CoffeeScript
100 lines
2.8 KiB
CoffeeScript
_ = require 'underscore'
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# Public: To make specs easier to test, we make all asynchronous behavior
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# actually synchronous. We do this by overriding all global timeout and
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# Promise functions.
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#
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# You must now manually call `advanceClock()` in order to move the "clock"
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# forward.
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class TimeOverride
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@advanceClock = (delta=1) =>
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@now += delta
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callbacks = []
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@timeouts ?= []
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@timeouts = @timeouts.filter ([id, strikeTime, callback]) =>
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if strikeTime <= @now
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callbacks.push(callback)
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false
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else
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true
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callback() for callback in callbacks
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@resetTime = =>
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@now = 0
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@timeoutCount = 0
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@intervalCount = 0
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@timeouts = []
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@intervalTimeouts = {}
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@originalPromiseScheduler = null
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@enableSpies = =>
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window.advanceClock = @advanceClock
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window.originalSetInterval = window.setInterval
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spyOn(window, "setTimeout").andCallFake @_fakeSetTimeout
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spyOn(window, "clearTimeout").andCallFake @_fakeClearTimeout
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spyOn(window, "setInterval").andCallFake @_fakeSetInterval
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spyOn(window, "clearInterval").andCallFake @_fakeClearInterval
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spyOn(_._, "now").andCallFake => @now
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# spyOn(Date, "now").andCallFake => @now
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# spyOn(Date.prototype, "getTime").andCallFake => @now
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@_setPromiseScheduler()
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@_setPromiseScheduler: =>
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# Make Bluebird use setTimeout so that it hooks into our stubs, and you
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# can advance promises using `advanceClock()`. To avoid breaking any
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# specs that `dont` manually call advanceClock, call it automatically on
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# the next tick.
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@originalPromiseScheduler ?= Promise.setScheduler (fn) =>
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setTimeout(fn, 0)
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process.nextTick =>
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@advanceClock(1)
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@disableSpies = =>
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window.advanceClock = null
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jasmine.unspy(window, 'setTimeout')
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jasmine.unspy(window, 'clearTimeout')
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jasmine.unspy(window, 'setInterval')
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jasmine.unspy(window, 'clearInterval')
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jasmine.unspy(_._, "now")
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Promise.setScheduler(@originalPromiseScheduler) if @originalPromiseScheduler
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@originalPromiseScheduler = null
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@resetSpyData = ->
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window.setTimeout.reset?()
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window.clearTimeout.reset?()
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window.setInterval.reset?()
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window.clearInterval.reset?()
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Date.now.reset?()
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Date.prototype.getTime.reset?()
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@_fakeSetTimeout = (callback, ms) =>
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id = ++@timeoutCount
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@timeouts.push([id, @now + ms, callback])
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id
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@_fakeClearTimeout = (idToClear) =>
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@timeouts ?= []
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@timeouts = @timeouts.filter ([id]) -> id != idToClear
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@_fakeSetInterval = (callback, ms) =>
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id = ++@intervalCount
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action = =>
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callback()
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@intervalTimeouts[id] = @_fakeSetTimeout(action, ms)
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@intervalTimeouts[id] = @_fakeSetTimeout(action, ms)
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id
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@_fakeClearInterval = (idToClear) =>
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@_fakeClearTimeout(@intervalTimeouts[idToClear])
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module.exports = TimeOverride
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