diff --git a/technic/spec/fixtures/pipeworks.lua b/technic/spec/fixtures/pipeworks.lua
index f66746e0..e17a1ee3 100644
--- a/technic/spec/fixtures/pipeworks.lua
+++ b/technic/spec/fixtures/pipeworks.lua
@@ -4,5 +4,7 @@ _G.pipeworks = {}
 _G.pipeworks.button_label = ""
 _G.pipeworks.fs_helpers = {}
 _G.pipeworks.fs_helpers.cycling_button = function(...) return "" end
-_G.pipeworks.scan_for_tube_objects = function(...) end
-_G.pipeworks.tube_inject_item = function(...) end
+_G.pipeworks = setmetatable(_G.pipeworks, {
+	__call = function(self,...) return self end,
+	__index = function(...) return function(...)end end,
+})
diff --git a/technic/spec/nodes_spec.lua b/technic/spec/nodes_spec.lua
new file mode 100644
index 00000000..c1d45cc3
--- /dev/null
+++ b/technic/spec/nodes_spec.lua
@@ -0,0 +1,65 @@
+require("mineunit")
+--[[
+	Technic network unit tests.
+	Execute busted at technic source directory.
+--]]
+
+-- Load fixtures required by tests
+mineunit("core")
+mineunit("player")
+mineunit("protection")
+mineunit("common/after")
+mineunit("server")
+mineunit("voxelmanip")
+
+fixture("pipeworks")
+fixture("network")
+fixture("default")
+fixture("technic_worldgen")
+fixture("mesecons")
+
+sourcefile("init")
+
+describe("Technic node placement", function()
+
+	local function placement_test(player, name, xpos)
+		return function()
+			player:get_inventory():set_stack("main", 1, name)
+			player:do_place({x=xpos, y=1, z=0})
+		end
+	end
+
+	local player = Player("SX")
+
+	-- Execute on mods loaded callbacks to finish loading.
+	mineunit:mods_loaded()
+	-- Tell mods that 1 minute passed already to execute all weird minetest.after hacks.
+	mineunit:execute_globalstep(60)
+
+	local nodes = {}
+	for nodename, def in pairs(minetest.registered_nodes) do
+		if not (def.groups and def.groups.not_in_creative_inventory) and nodename:find("^technic:") then
+			table.insert(nodes, nodename)
+		end
+	end
+
+	setup(function()
+		world.clear()
+		mineunit:execute_on_joinplayer(player)
+	end)
+
+	teardown(function()
+		mineunit:execute_on_leaveplayer(player)
+	end)
+
+	for x, nodename in ipairs(nodes) do
+		it("player can place "..nodename, placement_test(player, nodename, x))
+	end
+
+	it("gloabalstep works", function()
+		for _=1,60 do
+			mineunit:execute_globalstep(1)
+		end
+	end)
+
+end)