add integration test skeleton

.github/workflows/test.yml

@@ -0,0 +1,14 @@
+name: test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: test
+      run: docker-compose up --exit-code-from sut

README.md

@@ -4,6 +4,13 @@ OpenSCAD inspired minetest mod
 
 Status: **WIP**
 
+![](https://github.com/BuckarooBanzay/mtscad/workflows/luacheck/badge.svg)
+![](https://github.com/BuckarooBanzay/mtscad/workflows/test/badge.svg)
+![](https://github.com/BuckarooBanzay/mtscad/workflows/busted/badge.svg)
+[![License](https://img.shields.io/badge/License-MIT%20and%20CC%20BY--SA%203.0-green.svg)](license.txt)
+[![Download](https://img.shields.io/badge/Download-ContentDB-blue.svg)](https://content.minetest.net/packages/BuckarooBanzay/mtscad)
+
+
 # Example
 
 Files placed in `<worlddir>/mtscad/`

docker-compose.yml

@@ -0,0 +1,17 @@
+version: "3.6"
+
+services:
+ sut:
+  image: registry.gitlab.com/minetest/minetest/server:5.4.0
+  entrypoint: "minetestserver --config /minetest.conf"
+  user: root
+  volumes:
+    - "./:/root/.minetest/worlds/world/worldmods/mtscad/"
+    - "./test/mod:/root/.minetest/worlds/world/worldmods/mtscad_test/"
+    - "./test/minetest.conf:/minetest.conf"
+    - "world:/root/.minetest/worlds/world"
+  ports:
+    - "30000:30000/udp"
+
+volumes:
+  world: {}

test/minetest.conf

@@ -0,0 +1,3 @@
+default_game = minetest_game
+mg_name = v7
+enable_integration_test = true

test/mod/init.lua

@@ -0,0 +1,8 @@
+-- simple smoke tests
+if minetest.settings:get_bool("enable_integration_test") then
+  minetest.log("warning", "[TEST] integration-test enabled!")
+  minetest.register_on_mods_loaded(function()
+      -- just exit gracefully
+      minetest.request_shutdown("success")
+  end)
+end

test/mod/mod.conf

@@ -0,0 +1 @@
+depends = mtscad