[3.29] New witch notables

spec/System/TestOffence_spec.lua

@@ -0,0 +1,245 @@
+describe("TestOffence", function()
+	before_each(function()
+		newBuild()
+	end)
+
+	teardown(function()
+		-- newBuild() takes care of resetting everything in setup()
+	end)
+
+	-- Asserts actual is within a relative tolerance of expected, e.g. 0.005 = 0.5%
+	local function assertNearRelative(expected, actual, tolerance, msg)
+		assert.is_true(math.abs(expected - actual) / expected <= tolerance,
+			string.format("%s: expected ~%.2f (within %.1f%%), got %.2f", msg, expected, tolerance * 100, actual))
+	end
+
+	it("parses more/less/increased/reduced minimum and maximum damage of every type", function()
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		25% more Maximum Lightning Damage
+		50% less Minimum Lightning Damage
+		10% increased Maximum Cold Damage
+		12% reduced Minimum Physical Damage
+		20% more Maximum Chaos Damage
+		30% more Maximum Fire Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		local modDB = build.calcsTab.mainEnv.player.modDB
+
+		-- "more"/"less" -> MORE modifier (More() returns the aggregate multiplier)
+		assert.are.equals(1.25, modDB:More(nil, "MaxLightningDamage"))
+		assert.are.equals(0.5, modDB:More(nil, "MinLightningDamage"))
+		assert.are.equals(1.2, modDB:More(nil, "MaxChaosDamage"))
+		assert.are.equals(1.3, modDB:More(nil, "MaxFireDamage"))
+
+		-- "increased"/"reduced" -> INC modifier
+		assert.are.equals(10, modDB:Sum("INC", nil, "MaxColdDamage"))
+		assert.are.equals(-12, modDB:Sum("INC", nil, "MinPhysicalDamage"))
+
+		-- sanity: these must not have leaked into the wrong stat/type
+		assert.are.equals(1, modDB:More(nil, "MinChaosDamage"))
+		assert.are.equals(0, modDB:Sum("INC", nil, "MaxLightningDamage"))
+	end)
+
+	-- calcDamage rounds each min/max to an integer before our multipliers' effects can be
+	-- observed, so scaling the rounded baseline can differ from the real value by ~1
+	local function assertNear(expected, actual, msg)
+		assert.is_true(math.abs(expected - actual) <= 2, string.format("%s: expected ~%.2f, got %.2f", msg, expected, actual))
+	end
+
+	it("applies min/max damage mods to an actual skill in CalcOffence", function()
+		build.skillsTab:PasteSocketGroup("Slot: Body Armour\nArc 20/0  1\n")
+		runCallback("OnFrame")
+
+		local baseMin = build.calcsTab.calcsOutput.LightningMin
+		local baseMax = build.calcsTab.calcsOutput.LightningMax
+		assert.is_true(baseMax > 0)
+		assert.is_true(baseMin > 0)
+
+		-- MORE path: "more"/"less" scale only the targeted end of the roll
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		25% more Maximum Lightning Damage
+		50% less Minimum Lightning Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		assertNear(baseMax * 1.25, build.calcsTab.calcsOutput.LightningMax, "25%% more max")
+		assertNear(baseMin * 0.5, build.calcsTab.calcsOutput.LightningMin, "50%% less min")
+
+		-- INC path: "increased" stacks multiplicatively with the MORE factors above
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Ring
+		40% increased Maximum Lightning Damage
+		100% increased Minimum Lightning Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		assertNear(baseMax * 1.25 * 1.4, build.calcsTab.calcsOutput.LightningMax, "more + increased max")
+		assertNear(baseMin * 0.5 * 2, build.calcsTab.calcsOutput.LightningMin, "less + increased min")
+	end)
+
+	it("applies minimum and maximum attack damage mods", function()
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Rusted Sword
+		]])
+		build.itemsTab:AddDisplayItem()
+		build.skillsTab:PasteSocketGroup("Double Strike 20/0  1")
+		runCallback("OnFrame")
+
+		local baseMin = build.calcsTab.mainOutput.MainHand.TotalMin
+		local baseMax = build.calcsTab.mainOutput.MainHand.TotalMax
+
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		50% less Minimum Attack Damage
+		100% more Maximum Attack Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		assertNear(baseMin * 0.5, build.calcsTab.mainOutput.MainHand.TotalMin, "50%% less attack min")
+		assertNear(baseMax * 2, build.calcsTab.mainOutput.MainHand.TotalMax, "100%% more attack max")
+	end)
+
+	it("parses universal cannot deal/deal no non-<type> damage for player and minions", function()
+		build.skillsTab:PasteSocketGroup("Slot: Body Armour\nArc 20/0  1\n")
+		runCallback("OnFrame")
+		assert.is_true(build.calcsTab.calcsOutput.LightningMax > 0)
+
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		Cannot deal non-Fire Damage
+		Minions deal no non-Fire Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		local modDB = build.calcsTab.mainEnv.player.modDB
+		assert.truthy(modDB:Flag(nil, "DealNoPhysical"))
+		assert.truthy(modDB:Flag(nil, "DealNoLightning"))
+		assert.truthy(modDB:Flag(nil, "DealNoCold"))
+		assert.truthy(modDB:Flag(nil, "DealNoChaos"))
+		assert.is_true(not (modDB:Flag(nil, "DealNoFire")))
+
+		-- minion wording wraps the same flags in MinionModifier
+		local minionDealNo = { }
+		for _, value in ipairs(modDB:List(nil, "MinionModifier")) do
+			if value.mod and value.mod.name:match("^DealNo") then
+				minionDealNo[value.mod.name] = true
+			end
+		end
+		assert.truthy(minionDealNo["DealNoPhysical"])
+		assert.truthy(minionDealNo["DealNoLightning"])
+		assert.truthy(minionDealNo["DealNoCold"])
+		assert.truthy(minionDealNo["DealNoChaos"])
+		assert.is_true(not (minionDealNo["DealNoFire"]))
+
+		-- Arc is pure lightning, so the player can no longer deal damage with it
+		assert.are.equals(0, build.calcsTab.calcsOutput.LightningMax)
+	end)
+
+	it("keeps deal no non-elemental damage as its own literal", function()
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		Deal no non-Elemental Damage
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		local modDB = build.calcsTab.mainEnv.player.modDB
+		assert.truthy(modDB:Flag(nil, "DealNoPhysical"))
+		assert.truthy(modDB:Flag(nil, "DealNoChaos"))
+		assert.is_true(not (modDB:Flag(nil, "DealNoLightning")))
+		assert.is_true(not (modDB:Flag(nil, "DealNoCold")))
+		assert.is_true(not (modDB:Flag(nil, "DealNoFire")))
+	end)
+
+	it("enemies in your chilling areas take damage increased by the area's chill effect", function()
+		build.skillsTab:PasteSocketGroup("Slot: Body Armour\nVortex 20/0  1\n")
+		runCallback("OnFrame")
+
+		local baseAvg = build.calcsTab.mainOutput.AverageDamage
+		assert.is_true(baseAvg > 0)
+		-- the chill effect currently applied to the enemy (here, from Vortex's chilling area)
+		local currentChill = build.calcsTab.mainOutput.CurrentChill
+		assert.is_true(currentChill ~= nil and currentChill > 0)
+
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Amulet
+		Enemies in your Chilling Areas have Cold Damage taken increased by Chill Effect
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		-- config checkbox not ticked -> enemy is not in the area -> no change
+		assert.are.equals(baseAvg, build.calcsTab.mainOutput.AverageDamage)
+
+		build.configTab.input.conditionEnemyInChillingArea = true
+		build.configTab:BuildModList()
+		runCallback("OnFrame")
+
+		-- Vortex deals pure cold damage, so the ColdDamageTaken increase scales all of it
+		local scaledAvg = baseAvg * (1 + currentChill / 100)
+		assertNearRelative(scaledAvg, build.calcsTab.mainOutput.AverageDamage, 0.005,
+			string.format("base %.2f scaled by %d%% current chill", baseAvg, currentChill))
+
+		-- the paired "Chilled by your Hits" wording must not stack with the chilling area one
+		build.itemsTab:CreateDisplayItemFromRaw([[
+		New Item
+		Coral Ring
+		Enemies Chilled by your Hits have Cold Damage taken increased by Chill Effect
+		]])
+		build.itemsTab:AddDisplayItem()
+		runCallback("OnFrame")
+
+		assertNearRelative(scaledAvg, build.calcsTab.mainOutput.AverageDamage, 0.005,
+			string.format("both wordings must apply only once (base %.2f, %d%% chill)", baseAvg, currentChill))
+	end)
+
+	-- "Base <ailment> Duration is X seconds" overrides the fixed base duration of the damaging ailments
+	for _, case in ipairs({
+		{ ailment = "Ignite", skill = "Fireball", chanceMod = "25% chance to Ignite", gameBase = 4 },
+		{ ailment = "Bleeding", skill = "Double Strike", chanceMod = "25% chance to cause Bleeding on Hit", gameBase = 5, output = "BleedDuration" },
+		{ ailment = "Poison", skill = "Double Strike", chanceMod = "25% chance to Poison on Hit", gameBase = 2 },
+	}) do
+		it("supports base " .. case.ailment .. " duration override", function()
+			local outputName = case.output or (case.ailment .. "Duration")
+			build.itemsTab:CreateDisplayItemFromRaw([[
+			New Item
+			Rusted Sword
+			]])
+			build.itemsTab:AddDisplayItem()
+			build.skillsTab:PasteSocketGroup("Slot: Body Armour\n" .. case.skill .. " 20/0  1\n")
+			build.itemsTab:CreateDisplayItemFromRaw([[
+			New Item
+			Coral Amulet
+			]] .. case.chanceMod)
+			build.itemsTab:AddDisplayItem()
+			runCallback("OnFrame")
+
+			assert.are.equals(case.gameBase, build.calcsTab.mainOutput[outputName])
+
+			build.itemsTab:CreateDisplayItemFromRaw([[
+			New Item
+			Coral Ring
+			Base ]] .. case.ailment .. [[ Duration is 1 second]])
+			build.itemsTab:AddDisplayItem()
+			runCallback("OnFrame")
+
+			assert.are.equals(1, build.calcsTab.mainOutput[outputName])
+		end)
+	end
+end)