local a=require(script.Parent.TestEnum)local c=require(script.Parent.TestSession)local G=require(script.Parent.LifecycleHooks)local y="\095\095\084\069\083\084\069\090\095\082\085\078\078\073\078\071\095\084\069\083\084\095\095"local R={environment={}}local function h(a)return setmetatable({extend=function(...)a:extend(...)end},{__call=function(c,...)return a:startExpectationChain(...)end})end function R.runPlan(y)local h=c.new(y)local L=G.new()local M=y:findNodes(function(c)return c.modifier==a.NodeModifier.Focus end)h.hasFocusNodes=#M>0 R.runPlanNode(h,y,L)return h:finalize()end function R.runPlanNode(c,G,L)local function M(a,G)local L=true local M _G[y]=true G=G or""local J=getfenv(a)for a,c in pairs(R.environment)do J[a]=c end J.fail=function(a)if a==nil then a="\102\097\105\108\040\041 \119\097\115 \099\097\108\108\101\100\046"end L=false M=G..debug.traceback(tostring(a),2)end J.expect=h(c:getExpectationContext())local O=c:getContext()local Z,x=xpcall(function()a(O)end,function(a)return G..debug.traceback(tostring(a),2)end)if not Z then L=false M=x end _G[y]=nil return L,M end local function J(a)for a,c in ipairs(L:getBeforeEachHooks())do local G,y=M(c,"\098\101\102\111\114\101\069\097\099\104 \104\111\111\107\058 ")if not G then return false,y end end local c,G=M(a.callback)for a,y in ipairs(L:getAfterEachHooks())do local R,h=M(y,"\097\102\116\101\114\069\097\099\104 \104\111\111\107\058 ")if not R then if not c then return false,G..("\n\087\104\105\108\101 \099\108\101\097\110\105\110\103 \117\112 \116\104\101 \102\097\105\108\101\100 \116\101\115\116 \097\110\111\116\104\101\114 \101\114\114\111\114 \119\097\115 \102\111\117\110\100\058\n"..h)end return false,h end end if not c then return false,G end return true,nil end L:pushHooksFrom(G)local O=false for a,G in ipairs(L:getBeforeAllHooks())do local y,R=M(G,"\098\101\102\111\114\101\065\108\108 \104\111\111\107\058 ")if not y then c:addDummyError("\098\101\102\111\114\101\065\108\108",R)O=true end end if not O then for G,y in ipairs(G.children)do if y.type==a.NodeType.It then c:pushNode(y)if c:shouldSkip()then c:setSkipped()else local a,G=J(y)if a then c:setSuccess()else c:setError(G)end end c:popNode()elseif y.type==a.NodeType.Describe then c:pushNode(y)R.runPlanNode(c,y,L)if y.loadError then local a="\069\114\114\111\114 \100\117\114\105\110\103 \112\108\097\110\110\105\110\103\058 "..y.loadError c:setError(a)else c:setStatusFromChildren()end c:popNode()end end end for a,G in ipairs(L:getAfterAllHooks())do local y,R=M(G,"\097\102\116\101\114\065\108\108 \104\111\111\107\058 ")if not y then c:addDummyError("\097\102\116\101\114\065\108\108",R)end end L:popHooks()end return R
--[[
	Contains the logic to run a test plan and gather test results from it.

	TestRunner accepts a TestPlan object, executes the planned tests, and
	produces a TestResults object. While the tests are running, the system's
	state is contained inside a TestSession object.
]]

local TestEnum = require(script.Parent.TestEnum)
local TestSession = require(script.Parent.TestSession)
local LifecycleHooks = require(script.Parent.LifecycleHooks)

local RUNNING_GLOBAL = "__TESTEZ_RUNNING_TEST__"

local TestRunner = {
	environment = {}
}

local function wrapExpectContextWithPublicApi(expectationContext)
	return setmetatable({
		extend = function(...)
			expectationContext:extend(...)
		end,
	}, {
		__call = function(_self, ...)
			return expectationContext:startExpectationChain(...)
		end,
	})
end

--[[
	Runs the given TestPlan and returns a TestResults object representing the
	results of the run.
]]
function TestRunner.runPlan(plan)
	local session = TestSession.new(plan)
	local lifecycleHooks = LifecycleHooks.new()

	local exclusiveNodes = plan:findNodes(function(node)
		return node.modifier == TestEnum.NodeModifier.Focus
	end)

	session.hasFocusNodes = #exclusiveNodes > 0

	TestRunner.runPlanNode(session, plan, lifecycleHooks)

	return session:finalize()
end

--[[
	Run the given test plan node and its descendants, using the given test
	session to store all of the results.
]]
function TestRunner.runPlanNode(session, planNode, lifecycleHooks)
	local function runCallback(callback, messagePrefix)
		local success = true
		local errorMessage
		-- Any code can check RUNNING_GLOBAL to fork behavior based on
		-- whether a test is running. We use this to avoid accessing
		-- protected APIs; it's a workaround that will go away someday.
		_G[RUNNING_GLOBAL] = true

		messagePrefix = messagePrefix or ""

		local testEnvironment = getfenv(callback)

		for key, value in pairs(TestRunner.environment) do
			testEnvironment[key] = value
		end

		testEnvironment.fail = function(message)
			if message == nil then
				message = "fail() was called."
			end

			success = false
			errorMessage = messagePrefix .. debug.traceback(tostring(message), 2)
		end

		testEnvironment.expect = wrapExpectContextWithPublicApi(session:getExpectationContext())

		local context = session:getContext()

		local nodeSuccess, nodeResult = xpcall(
			function()
				callback(context)
			end,
			function(message)
				return messagePrefix .. debug.traceback(tostring(message), 2)
			end
		)

		-- If a node threw an error, we prefer to use that message over
		-- one created by fail() if it was set.
		if not nodeSuccess then
			success = false
			errorMessage = nodeResult
		end

		_G[RUNNING_GLOBAL] = nil

		return success, errorMessage
	end

	local function runNode(childPlanNode)
		-- Errors can be set either via `error` propagating upwards or
		-- by a test calling fail([message]).

		for _, hook in ipairs(lifecycleHooks:getBeforeEachHooks()) do
			local success, errorMessage = runCallback(hook, "beforeEach hook: ")
			if not success then
				return false, errorMessage
			end
		end

		local testSuccess, testErrorMessage = runCallback(childPlanNode.callback)

		for _, hook in ipairs(lifecycleHooks:getAfterEachHooks()) do
			local success, errorMessage = runCallback(hook, "afterEach hook: ")
			if not success then
				if not testSuccess then
					return false, testErrorMessage .. "\nWhile cleaning up the failed test another error was found:\n" .. errorMessage
				end
				return false, errorMessage
			end
		end

		if not testSuccess then
			return false, testErrorMessage
		end

		return true, nil
	end

	lifecycleHooks:pushHooksFrom(planNode)

	local halt = false
	for _, hook in ipairs(lifecycleHooks:getBeforeAllHooks()) do
		local success, errorMessage = runCallback(hook, "beforeAll hook: ")
		if not success then
			session:addDummyError("beforeAll", errorMessage)
			halt = true
		end
	end

	if not halt then
		for _, childPlanNode in ipairs(planNode.children) do
			if childPlanNode.type == TestEnum.NodeType.It then
				session:pushNode(childPlanNode)
				if session:shouldSkip() then
					session:setSkipped()
				else
					local success, errorMessage = runNode(childPlanNode)

					if success then
						session:setSuccess()
					else
						session:setError(errorMessage)
					end
				end
				session:popNode()
			elseif childPlanNode.type == TestEnum.NodeType.Describe then
				session:pushNode(childPlanNode)
				TestRunner.runPlanNode(session, childPlanNode, lifecycleHooks)

				-- Did we have an error trying build a test plan?
				if childPlanNode.loadError then
					local message = "Error during planning: " .. childPlanNode.loadError
					session:setError(message)
				else
					session:setStatusFromChildren()
				end
				session:popNode()
			end
		end
	end

	for _, hook in ipairs(lifecycleHooks:getAfterAllHooks()) do
		local success, errorMessage = runCallback(hook, "afterAll hook: ")
		if not success then
			session:addDummyError("afterAll", errorMessage)
		end
	end

	lifecycleHooks:popHooks()
end

return TestRunner
