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46 lines
1.1 KiB
Text
46 lines
1.1 KiB
Text
local ReplicatedStorage = game:GetService("ReplicatedStorage")
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local Charm = require(ReplicatedStorage.DevPackages.Charm)
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local atom = Charm.atom
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local ReactCharm = require(ReplicatedStorage.DevPackages.ReactCharm)
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local useAtom = ReactCharm.useAtom
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local renderHook = require(script.Parent.Parent.utils.renderHook)
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return function()
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it("tracks atom state", function()
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local source = atom(0)
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local hook = renderHook(function()
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return useAtom(source)
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end)
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expect(hook.result).to.equal(0)
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source(1)
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expect(hook.result).to.equal(1)
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end)
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it("accepts a molecule", function()
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local source = atom(0)
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local hook = renderHook(function()
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return useAtom(function()
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return 2 * source()
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end)
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end)
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expect(hook.result).to.equal(0)
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source(1)
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expect(hook.result).to.equal(2)
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end)
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it("tracks dependencies", function()
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local source = atom(0)
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local hook = renderHook(function()
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return useAtom(source, { source })
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end)
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expect(hook.result).to.equal(0)
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source(1)
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expect(hook.result).to.equal(1)
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source = atom(0)
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hook.rerender()
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expect(hook.result).to.equal(0)
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source(1)
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expect(hook.result).to.equal(1)
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end)
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end
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