Port PoB2 buy similar mod matching and UI

Author: vaisest

spec/System/TestCompareBuySimilar_spec.lua

@@ -0,0 +1,107 @@
+describe("Buy similar mod stat matching", function()
+	local bs = LoadModule("Classes/CompareBuySimilar")
+
+	describe("addModEntries mod matching", function()
+		it("matches impossible escape mods as options", function()
+			local fromNothing = new("Item", [[
+Impossible Escape
+Viridian Jewel
+LevelReq: 0
+Radius: Small
+Limited to: 1
+Implicits: 0
+Passive skills in radius of Elemental Overload can be Allocated without being connected to your tree
+Corrupted]])
+
+			local modSources = {
+				{ list = fromNothing.explicitModLines, type = "explicit" }
+			}
+			local modEntries = bs.addModEntries(fromNothing, modSources)
+			assert.equal(1, #modEntries)
+			assert.same(
+				{
+					formattedLines = { colorCodes.MAGIC .. "Passive skills in radius of Elemental Overload can be Allocated without being connected to your tree" },
+					type =
+					"explicit",
+					isOption = true,
+					invert = false,
+					tradeIds = { "explicit.stat_2422708892" },
+					value = 22088
+				},
+				modEntries[1])
+
+				local thread = new("Item", [[
+Rarity: UNIQUE
+Thread of Hope
+Crimson Jewel
+Radius: Variable
+Implicits: 0
+Only affects Passives in Massive Ring
+-15% to all Elemental Resistances
+Passive Skills in Radius can be Allocated without being connected to your tree
+Passage]])
+			local modSources = {
+				{ list = thread.explicitModLines, type = "explicit" }
+			}
+			local modEntries = bs.addModEntries(thread, modSources)
+			assert.equal(4, #modEntries)
+			assert.equal(modEntries[1].tradeIds[1], "explicit.stat_3642528642")
+			assert.equal(modEntries[1].value, 5)
+		end)
+
+		it("combines mods that are the same stat", function()
+			local lifeDiamond = new("Item", [[
+Test Subject
+Diamond
+Implicits: 0
++100 to Maximum Life
++50 to Maximum Life
++50% to Fire Resistance]])
+
+			local entries = bs.addModEntries(lifeDiamond, { { list = lifeDiamond.explicitModLines, type = "explicit" } })
+			assert.equal(2, #entries)
+			assert.equal(2, #entries[1].formattedLines)
+			assert.equal("+100 to Maximum Life", StripEscapes(entries[1].formattedLines[1]))
+			assert.equal("+50 to Maximum Life", StripEscapes(entries[1].formattedLines[2]))
+			assert.equal(150, entries[1].value)
+
+			local lifelessDiamond = new("Item", [[
+Test Subject
+Diamond
+Implicits: 0
+-100 to Maximum Life
++50 to Maximum Life
++50% to Fire Resistance]])
+			local entries = bs.addModEntries(lifelessDiamond,
+				{ { list = lifelessDiamond.explicitModLines, type = "explicit" } })
+			assert.equal(2, #entries)
+			assert.equal(2, #entries[1].formattedLines)
+			assert.equal(-50, entries[1].value)
+		end)
+
+		it("is not case-sensitive", function ()
+			local funnyItem = new("Item", [[
+Test Subject
+Diamond
+Implicits: 1
++50 tO MaxIMum lifE]])
+
+			local entries = bs.addModEntries(funnyItem, {{list = funnyItem.implicitModLines, type = "implicit"}})
+			assert.equal(1, #entries)
+		end)
+
+		it("does not combine implicit and explicit mods", function()
+			local lifelessDiamond = new("Item", [[
+Test Subject
+Diamond
+Implicits: 1
+-100 to Maximum Life
++50 to Maximum Life]])
+			local entries = bs.addModEntries(lifelessDiamond,
+				{ { list = lifelessDiamond.implicitModLines, type = "implicit" }, { list = lifelessDiamond.explicitModLines, type = "explicit" } })
+			assert.equal(2, #entries)
+			assert.equal(-100, entries[1].value)
+			assert.equal(50, entries[2].value)
+		end)
+	end)
+end)

spec/System/TestTradeHelpers_spec.lua

@@ -0,0 +1,105 @@
+describe("TradeHelpers trade hash matching", function()
+	local tradeHelpers = LoadModule("Classes/TradeHelpers")
+
+	---@param ids number[]
+	---@param expected number
+	---@return boolean contains whether the given array contains the expected id
+	local function contains(ids, expected)
+		for _, id in ipairs(ids) do
+			if id == expected then return true end
+		end
+		return false
+	end
+
+	describe("modLineValue", function()
+		it("returns the single number on a line", function()
+			assert.equal(50, tradeHelpers.modLineValue("+50 to maximum Life"))
+		end)
+
+		it("returns the midpoint of a '# to #' range", function()
+			assert.equal(15, tradeHelpers.modLineValue("Adds 10 to 20 Fire Damage"))
+			assert.equal(12.5, tradeHelpers.modLineValue("Adds 10 to 15 Fire Damage"))
+		end)
+
+		it("handles negative numbers", function()
+			assert.equal(-10, tradeHelpers.modLineValue("-10% to Fire Resistance"))
+		end)
+
+		it("returns nil when onlyFromTo is set and there is no range", function()
+			assert.is_nil(tradeHelpers.modLineValue("+50 to maximum Life", true))
+		end)
+	end)
+
+	describe("findTradeHash", function()
+		it("matches a simple mod", function()
+			local ids, value = tradeHelpers.findTradeHash("+50 to maximum Life")
+			assert.equal(50, value)
+			assert.is_true(contains(ids, HashStats({ "base_maximum_life" })))
+		end)
+
+		it("matches a percentage mod", function()
+			local ids, value = tradeHelpers.findTradeHash("25% reduced maximum Energy Shield")
+			assert.equal(25, value)
+			assert.is_true(contains(ids, HashStats({ "maximum_energy_shield_+%" })))
+		end)
+
+		it("matches a # to #  mod", function()
+			local ids, value = tradeHelpers.findTradeHash("Adds 5 to 15 Fire Damage")
+			assert.equal(10, value)
+			assert.is_true(contains(ids,
+				HashStats({ "local_minimum_added_fire_damage", "local_maximum_added_fire_damage" })))
+		end)
+
+		it("is case-insensitive", function()
+			local ids = tradeHelpers.findTradeHash(
+				"1 aDDED PASSiVe sKilL IS ONE wITh The ShiELd")
+			assert.is_true(contains(ids, HashStats({ "local_affliction_notable_one_with_the_shield" })))
+		end)
+
+		it("returns no results for an unmatchable line", function()
+			local ids = tradeHelpers.findTradeHash("+100 to IQ")
+			assert.equal(0, #ids)
+		end)
+
+		it("works thrice in a row", function()
+			local a = tradeHelpers.findTradeHash("+50 to maximum Life")
+			local b = tradeHelpers.findTradeHash("+50 to maximum Life")
+			local c = tradeHelpers.findTradeHash("+50 to maximum Life")
+			assert.same(a, b)
+			assert.same(b, c)
+		end)
+
+		it("detects inverted mods correctly", function()
+			-- note that this stat is a handwrap mod and doesn't actually exist on the trade site
+			local ids, value, shouldNegate = tradeHelpers.findTradeHash(
+				"Debuffs on you expire 100% slower while affected by Haste")
+			assert.equal(100, value)
+			assert.is_true(shouldNegate)
+			assert.equal(1, #ids)
+
+			local ids, value, shouldNegate = tradeHelpers.findTradeHash("67% reduced maximum life")
+			assert.equal(67, value)
+			assert.is_true(shouldNegate)
+			assert.equal(1, #ids)
+		end)
+		it("detects mods with lua pattern characters correctly", function()
+			local ids, value = tradeHelpers.findTradeHash(
+				"trigger Socketed Spells when you focus, with a 0.25 second cooldown")
+			assert.is_true(contains(ids, HashStats({ "trigger_socketed_spells_when_you_focus_%" })))
+			assert.equal(100, value)
+
+			local ids, value, shouldNegate = tradeHelpers.findTradeHash(
+				"10% reduced effect of Non-Curse Auras from your Skills on your Minions")
+			assert.is_true(contains(ids, HashStats({ "minions_have_non_curse_aura_effect_+%_from_parent_skills" })))
+			assert.equal(10, value)
+			assert.is_true(shouldNegate)
+		end)
+		it("detects passage modline correctly", function()
+			local ids = tradeHelpers.findTradeHash(
+				"Passive Skills in Radius can be Allocated without being connected to your tree")
+			assert.is_true(contains(ids,
+				HashStats({ "local_unique_jewel_nearby_disconnected_passives_can_be_allocated",
+					"unique_thread_of_hope_base_resist_all_elements_%" })))
+		end)
+	end)
+end)