mods that hopefully work for a TechAge-based pack

mods/unified_inventory/unittests.lua

@@ -0,0 +1,72 @@
+core.log("error", "[unified_inventory] Unittests are enabled!")
+
+local ui = unified_inventory
+
+core.register_craftitem(":uitest:leaves", {
+	description = "UITEST Leaves",
+	inventory_image = "default_leaves.png",
+})
+
+core.register_craftitem(":uitest:apple", {
+	description = "UITEST Apple",
+	inventory_image = "default_apple.png",
+})
+
+core.register_craftitem(":uitest:stick", {
+	description = "UITEST Stick",
+	inventory_image = "default_stick.png",
+})
+
+do
+	ui.register_craft({
+		type = "digging_chance",
+		items = {"uitest:leaves"},
+		output = ItemStack("uitest:apple 2"),
+		width = 0,
+	})
+	ui.register_craft({
+		type = "digging_chance",
+		items = {"uitest:leaves"},
+		output = { ItemStack("uitest:apple 1"), "uitest:stick 3" },
+		width = 0,
+	})
+end
+
+local function find_recipe_output(recipes, output)
+	for _, recipe in ipairs(recipes) do
+		if type(recipe.output) == "table" then
+			-- get_recipe_list2(..)
+			for _, itemstack in ipairs(recipe.output) do
+				if itemstack:to_string() == output then
+					return recipe
+				end
+			end
+		else
+			-- get_recipe_list(..)
+			if recipe.output == output then
+				return recipe
+			end
+		end
+	end
+	return nil
+end
+
+local function run_tests()
+	local list, match
+
+	list = ui.get_recipe_list2("uitest:apple")
+	assert(#list == 2)
+	match = assert(find_recipe_output(list, "uitest:stick 3"))
+	assert(match.items[1] == "uitest:leaves")
+
+	-- Backwards compat
+	list = ui.get_recipe_list("uitest:apple")
+	assert(#list == 1)
+	match = assert(find_recipe_output(list, "uitest:apple 2"))
+	assert(match.items[1] == "uitest:leaves")
+
+	-- Done
+	error("Tests passed!")
+end
+
+core.after(1, run_tests)