Add integration test (based on 3D Armor's integration test) (#7)

* Add integration test (based from 3D Armor's...

...integration test).

* Add Integration Test status badge

* make the `integration-test.sh` file executable

Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>

.github/workflows/integration-test.yml

@@ -0,0 +1,14 @@
+name: integration-test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+
+    - name: integration-test
+      run: ./integration-test.sh

README.md

@@ -1,6 +1,7 @@
 # TravelNet
 
-![](https://github.com/mt-mods/travelnet/workflows/luacheck/badge.svg)
+[![Build status](https://github.com/mt-mods/travelnet/workflows/luacheck/badge.svg)](https://github.com/mt-mods/travelnet/actions?query=workflow%3Aluacheck)
+[![Integration test status](https://github.com/mt-mods/travelnet/workflows/integration-test/badge.svg)](https://github.com/mt-mods/travelnet/actions?query=workflow%3Aintegration-test)
 
 How this works:
 

init.lua

@@ -85,6 +85,11 @@
           - target list is now centered if there are less than 9 targets
 --]]
 
+-- integration test
+if minetest.settings:get_bool("travelnet.enable_travelnet_integration_test") then
+   dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/integration_test.lua")
+end
+
 -- Required to save the travelnet data properly in all cases
 if not minetest.safe_file_write then
 	error("[Mod travelnet] Your Minetest version is no longer supported. (version < 0.4.17)")

integration-test.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+# simple integration test
+
+CFG=/tmp/minetest.conf
+MTDIR=/tmp/mt
+WORLDDIR=${MTDIR}/worlds/world
+
+cat <<EOF > ${CFG}
+ travelnet.enable_travelnet_integration_test = true
+EOF
+
+mkdir -p ${WORLDDIR}
+chmod 777 ${MTDIR} -R
+docker run --rm -i \
+	-v ${CFG}:/etc/minetest/minetest.conf:ro \
+	-v ${MTDIR}:/var/lib/minetest/.minetest \
+	-v $(pwd):/var/lib/minetest/.minetest/worlds/world/worldmods/travelnet \
+	registry.gitlab.com/minetest/minetest/server:5.3.0
+
+test -f ${WORLDDIR}/integration_test.json && exit 0 || exit 1

integration_test.lua

@@ -0,0 +1,25 @@
+
+minetest.log("warning", "[TEST] integration-test enabled!")
+
+minetest.register_on_mods_loaded(function()
+	minetest.after(1, function()
+
+		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", "[TEST] integration tests done!")
+		minetest.request_shutdown("success")
+	end)
+end)