91 lines
1.9 KiB
Lua
91 lines
1.9 KiB
Lua
return function ()
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local CorePackages = game:GetService("CorePackages")
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local Roact = require(CorePackages.Roact)
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local ExternalEventConnection = require(script.Parent.ExternalEventConnection)
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it("if mounted, should call the callback when the event is triggered", function()
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local event = Instance.new("BindableEvent")
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local count = 0
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local element = Roact.createElement(ExternalEventConnection, {
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event = event.Event,
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callback = function()
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count = count + 1
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end,
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})
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local RoactInstance = Roact.mount(element)
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event:Fire()
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expect(count).to.equal(1)
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Roact.unmount(RoactInstance)
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event:Fire()
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expect(count).to.equal(1)
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event:Destroy()
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end)
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it("should handle updating the callback or event", function()
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local firstEvent = Instance.new("BindableEvent")
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local secondEvent = Instance.new("BindableEvent")
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local count = 0
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local changeState
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local EventContainer = Roact.Component:extend("EventContainer")
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function EventContainer:init()
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self.state = {
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event = firstEvent.Event,
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callback = function()
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count = count + 1
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end,
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}
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end
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function EventContainer:render()
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return Roact.createElement(ExternalEventConnection, {
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event = self.state.event,
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callback = self.state.callback,
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})
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end
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function EventContainer:didMount()
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changeState = function(newState)
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self:setState(newState)
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end
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end
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function EventContainer:willUnmount()
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changeState = nil
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end
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Roact.mount(Roact.createElement(EventContainer))
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firstEvent:Fire()
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expect(count).to.equal(1)
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changeState({
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event = secondEvent.Event,
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})
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firstEvent:Fire()
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expect(count).to.equal(1)
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secondEvent:Fire()
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expect(count).to.equal(2)
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changeState({
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callback = function()
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-- this is intentionally blank
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end,
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})
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secondEvent:Fire()
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expect(count).to.equal(2)
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firstEvent:Destroy()
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secondEvent:Destroy()
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end)
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end |