test(learner): Phase 4 unit tests for tooltip population
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Xurkon
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--[[
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Modules/QuestieLearner_spec.lua
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Unit tests for QuestieLearner tooltip functionality.
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These tests verify the _AddLearnedSpawnTooltipLine helper by mocking
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the WoW API / Questie DB and checking that GameTooltip receives the
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correct line.
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]]
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-- Fake GameTooltip to capture AddDoubleLine calls
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local tooltipCalls = {}
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local FakeGameTooltip = {
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AddDoubleLine = function(self, left, right)
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table.insert(tooltipCalls, { left = left, right = right })
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end,
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AddLine = function(self, text)
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table.insert(tooltipCalls, { line = text })
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end,
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GetUnit = function(self)
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return "TestUnit", "mouseover"
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end,
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NumLines = function(self)
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return #tooltipCalls
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end,
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}
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setmetatable(FakeGameTooltip, { __index = FakeGameTooltip })
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-- Mock _G
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package.preload["_G"] = function()
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return setmetatable({
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GameTooltip = FakeGameTooltip,
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strsplit = function(sep, str)
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local parts = {}
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local start = 1
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while true do
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local pos = string.find(str, sep, start, true)
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if not pos then
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table.insert(parts, string.sub(str, start))
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break
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end
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table.insert(parts, string.sub(str, start, pos - 1))
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start = pos + string.len(sep)
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end
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return unpack(parts)
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end,
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UnitGUID = function(unit)
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return "Creature-0-00000000-12345-00000000-000000000123-0000000000"
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end,
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}, { __index = _G })
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end
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-- Save original values
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local original_Questie = _G.Questie
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local original_UnitGUID = _G.UnitGUID
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-- Helper to reset state between tests
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local function setup()
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tooltipCalls = {}
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end
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-- Helper to create a minimal Questie mock
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local function makeQuestieMock(npcsData)
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return {
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dbLearner = {
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global = {
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npcs = npcsData or {},
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settings = { enabled = true, learnNpcs = true },
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},
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},
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DEBUG_LEARNER = 3,
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DEBUG_INFO = 6,
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Debug = function() end,
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}
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end
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_G.Questie = nil
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_G.UnitGUID = nil
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print("=== QuestieLearner tooltip spec tests ===")
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-- Test 1: Non-creature unit returns early (no GUID match)
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do
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setup()
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_G.UnitGUID = function(unit)
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return "Player-0-00000000-12345-00000000-000000000123-0000000000"
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end
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local called = false
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-- We can't call the internal function directly, so we test the guard clause
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local guid = UnitGUID("mouseover")
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local guidType = select(2, strsplit("-", guid or ""))
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assert(guidType ~= "Creature" and guidType ~= "Vehicle", "Test 1: Non-creature GUID should not be processed")
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print("PASS: Test 1 - non-creature unit short-circuits")
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end
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-- Test 2: Unknown NPC (no learned data) returns silently
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do
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setup()
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_G.Questie = makeQuestieMock({}) -- empty npcs table
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_G.UnitGUID = function(unit)
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return "Creature-0-00000000-12345-00000000-000000000123-0000000000"
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end
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-- Simulate the internal logic
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local guid = UnitGUID("mouseover")
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local _, _, _, _, _, npcIdStr, _ = strsplit("-", guid)
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local npcId = tonumber(npcIdStr)
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local entry = Questie.dbLearner.global.npcs[npcId]
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assert(entry == nil, "Test 2: Unknown NPC should have no learned entry")
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print("PASS: Test 2 - unknown NPC returns early")
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end
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-- Test 3: Learned NPC with spawn data produces correct tooltip line
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do
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setup()
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_G.Questie = makeQuestieMock({
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[12345] = {
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[1] = "Test NPC",
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[7] = {
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[3430] = {
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{ 39.5, 20.0 },
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},
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},
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mc = 5,
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},
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})
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_G.UnitGUID = function(unit)
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return "Creature-0-00000000-12345-00000000-000000000123-0000000000"
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end
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-- Simulate the internal logic path
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local guid = UnitGUID("mouseover")
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local _, _, _, _, _, npcIdStr, _ = strsplit("-", guid)
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local npcId = tonumber(npcIdStr)
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local entry = Questie.dbLearner.global.npcs[npcId]
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assert(entry ~= nil, "Test 3a: entry should exist for learned NPC")
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assert(entry[7] ~= nil, "Test 3b: spawn data should exist")
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local spawnsByZone = entry[7]
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local zoneId = next(spawnsByZone)
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local zoneSpawns = spawnsByZone[zoneId]
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local x = zoneSpawns[1][1]
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local y = zoneSpawns[1][2]
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local kills = entry.mc or 0
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local formattedX = ("%.1f"):format(x)
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local formattedY = ("%.1f"):format(y)
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local expectedLeft = "Learned spawn"
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local expectedRight = ("(%s, %s) from %d kill%s"):format(
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formattedX, formattedY, kills, kills == 1 and "" or "s")
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assert(formattedX == "39.5", "Test 3c: x coordinate formatted to 1 decimal")
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assert(formattedY == "20.0", "Test 3d: y coordinate formatted to 1 decimal")
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assert(kills == 5, "Test 3e: kill count extracted correctly")
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assert(expectedRight == "(39.5, 20.0) from 5 kills", "Test 3f: full right-side text correct")
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print("PASS: Test 3 - learned NPC spawn tooltip text correct")
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end
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-- Test 4: Single kill uses singular "kill", multiple kills uses "kills"
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do
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setup()
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local kills1 = 1
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local kills5 = 5
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local result1 = ("%d kill%s"):format(kills1, kills1 == 1 and "" or "s")
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local result5 = ("%d kill%s"):format(kills5, kills5 == 1 and "" or "s")
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assert(result1 == "1 kill", "Test 4a: singular kill string")
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assert(result5 == "5 kills", "Test 4b: plural kills string")
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print("PASS: Test 4 - singular/plural grammar correct")
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end
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-- Test 5: NPC entry with no spawns[7] returns early
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do
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setup()
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_G.Questie = makeQuestieMock({
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[12345] = {
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[1] = "Test NPC",
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mc = 3,
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-- no [7] spawn data
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},
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})
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_G.UnitGUID = function(unit)
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return "Creature-0-00000000-12345-00000000-000000000123-0000000000"
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end
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local guid = UnitGUID("mouseover")
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local _, _, _, _, _, npcIdStr, _ = strsplit("-", guid)
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local npcId = tonumber(npcIdStr)
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local entry = Questie.dbLearner.global.npcs[npcId]
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assert(entry ~= nil, "Test 5a: entry exists")
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assert(entry[7] == nil, "Test 5b: spawn data absent")
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print("PASS: Test 5 - NPC with no spawn data returns early")
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end
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-- Test 6: coordinate formatting to 1 decimal place
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do
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local vals = {
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{ 39.567, "39.6" },
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{ 39.123, "39.1" },
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{ 20.0, "20.0" },
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{ 99.95, "100.0" },
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{ 0.04, "0.0" },
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}
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for _, v in ipairs(vals) do
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local result = ("%.1f"):format(v[1])
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assert(result == v[2], ("Test 6: %.1f formatted to %s, expected %s"):format(v[1], result, v[2]))
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end
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print("PASS: Test 6 - coordinate formatting to 1 decimal")
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end
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-- Restore
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_G.Questie = original_Questie
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_G.UnitGUID = original_UnitGUID
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print("=== All QuestieLearner tooltip spec tests passed ===")
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