integration test

init.lua

@@ -15,3 +15,11 @@ end
 if minetest.get_modpath("travelnet") then
 	dofile(MP.."/travelnet.lua")
 end
+
+
+if minetest.settings:get_bool("enable_integration_test") then
+	dofile(MP.."/integration_test.lua")
+end
+
+dofile(MP.."/stats.lua")
+

integration_test.lua

@@ -0,0 +1,28 @@
+
+minetest.log("warning", "[damocles_custom] integration-test enabled!")
+
+minetest.register_on_mods_loaded(function()
+	minetest.log("warning", "[damocles_custom] all mods loaded, starting delayed test-function")
+
+	minetest.after(1, function()
+		minetest.log("warning", "[damocle_custom] starting integration test")
+
+		local data = minetest.write_json({ success = true }, true);
+		local file = io.open(minetest.get_worldpath().."/integration_test.json", "w" );
+		if file then
+			file:write(data)
+			file:close()
+		end
+
+		file = io.open(minetest.get_worldpath().."/registered_nodes.txt", "w" );
+		if file then
+			for name in pairs(minetest.registered_nodes) do
+				file:write(name .. '\n')
+			end
+			file:close()
+		end
+
+		minetest.log("warning", "[damocles_custom] integration tests done!")
+		minetest.request_shutdown("success")
+	end)
+end)

stats.lua

@@ -0,0 +1,14 @@
+
+
+-- https://stackoverflow.com/questions/2705793/how-to-get-number-of-entries-in-a-lua-table
+local function tablelength(T)
+  local count = 0
+  for _ in pairs(T) do count = count + 1 end
+  return count
+end
+
+minetest.after(5, function()
+	print("Registered nodes: " .. tablelength(minetest.registered_nodes))
+	print("Registered items: " .. tablelength(minetest.registered_items))
+	print("Registered entities: " .. tablelength(minetest.registered_entities))
+end)