add gs

RCCService2018/content/LuaPackages/RoactImpl/Reconciler.spec.lua

@@ -0,0 +1,88 @@
+return function()
+	local Core = require(script.Parent.Core)
+	local createRef = require(script.Parent.createRef)
+	local createElement = require(script.Parent.createElement)
+
+	local Reconciler = require(script.Parent.Reconciler)
+
+	it("should mount booleans as nil", function()
+		local booleanReified = Reconciler.mount(false)
+		expect(booleanReified).to.never.be.ok()
+	end)
+
+	it("should handle object references properly", function()
+		local objectRef = createRef()
+		local element = createElement("StringValue", {
+			[Core.Ref] = objectRef,
+		})
+
+		local handle = Reconciler.mount(element)
+		expect(objectRef.current).to.be.ok()
+		Reconciler.unmount(handle)
+		expect(objectRef.current).to.never.be.ok()
+	end)
+
+	it("should handle function references properly", function()
+		local currentRbx
+
+		local function ref(rbx)
+			currentRbx = rbx
+		end
+
+		local element = createElement("StringValue", {
+			[Core.Ref] = ref,
+		})
+
+		local handle = Reconciler.mount(element)
+		expect(currentRbx).to.be.ok()
+		Reconciler.unmount(handle)
+		expect(currentRbx).to.never.be.ok()
+	end)
+
+	it("should handle changing function references", function()
+		local aValue, bValue
+
+		local function aRef(rbx)
+			aValue = rbx
+		end
+
+		local function bRef(rbx)
+			bValue = rbx
+		end
+
+		local element = createElement("StringValue", {
+			[Core.Ref] = aRef,
+		})
+
+		local handle = Reconciler.mount(element, game, "Test123")
+		expect(aValue).to.be.ok()
+		expect(bValue).to.never.be.ok()
+		handle = Reconciler.reconcile(handle, createElement("StringValue", {
+			[Core.Ref] = bRef,
+		}))
+		expect(aValue).to.never.be.ok()
+		expect(bValue).to.be.ok()
+		Reconciler.unmount(handle)
+		expect(bValue).to.never.be.ok()
+	end)
+
+	it("should handle changing object references", function()
+		local aRef = createRef()
+		local bRef = createRef()
+
+		local element = createElement("StringValue", {
+			[Core.Ref] = aRef,
+		})
+
+		local handle = Reconciler.mount(element, game, "Test123")
+		expect(aRef.current).to.be.ok()
+		expect(bRef.current).to.never.be.ok()
+		handle = Reconciler.reconcile(handle, createElement("StringValue", {
+			[Core.Ref] = bRef,
+		}))
+		expect(aRef.current).to.never.be.ok()
+		expect(bRef.current).to.be.ok()
+		Reconciler.unmount(handle)
+		expect(bRef.current).to.never.be.ok()
+	end)
+end