use mtt action for integration tests

.github/workflows/test.yml

@@ -0,0 +1,16 @@
+name: test
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: buckaroobanzay/mtt@main
+      with:
+        modname: technic
+        git_dependencies: |
+          https://github.com/mt-mods/basic_materials.git
+          https://github.com/mt-mods/pipeworks.git
+          https://github.com/minetest-mods/moreores.git
+          https://github.com/mt-mods/xcompat.git
+    - uses: coverallsapp/github-action@v1

README.md

@@ -3,7 +3,7 @@ Technic
 
 A mod for [minetest](http://www.minetest.net)
 
-![integration-test](https://github.com/mt-mods/technic/workflows/integration-test/badge.svg)
+![integration-test](https://github.com/mt-mods/technic/workflows/test/badge.svg)
 ![luacheck](https://github.com/mt-mods/technic/workflows/luacheck/badge.svg)
 ![mineunit](https://github.com/mt-mods/technic/workflows/mineunit/badge.svg)
 ![](https://byob.yarr.is/mt-mods/technic/coverage)

technic/init.lua

@@ -60,6 +60,6 @@ dofile(modpath.."/effects.lua")
 -- Chat commands
 dofile(modpath.."/chatcommands.lua")
 
-if minetest.get_modpath("mtt") then
-	dofile(modpath.."/integration_test.lua")
+if minetest.get_modpath("mtt") and mtt.enabled then
+	dofile(modpath.."/mtt.lua")
 end

technic/integration_test.lua → technic/mtt.lua

@@ -1,6 +1,6 @@
 
 -- check if all required nodenames are registered
-mtt.validate_nodenames(minetest.get_worldpath().."/registered_nodes.txt")
+mtt.validate_nodenames(minetest.get_modpath("technic").."/../registered_nodes.txt")
 
 -- test mapgen
 mtt.emerge_area({x=0, y=0, z=0}, {x=48, y=48, z=48})