ci: Added testing step to github actions

.github/workflows/main.yml

@@ -16,7 +16,18 @@ on:
       - "[0-9]+.[0-9]+.[0-9]+-adopt13"
 
 jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+          tests/test.sh
   build:
+    needs:
+      - test
     runs-on: ubuntu-latest
 
     steps:

.github/workflows/pr.yml

@@ -5,15 +5,12 @@ on:
     branches: [ master ]
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
 
-      - name: Build Docker image
-        uses: docker/build-push-action@v1.1.0
-        with:
-          tag_with_sha: true
-          cache_froms: itzg/minecraft-server:latest
-          push: false
+      - name: Run tests
+        run: |
+          tests/test.sh

tests/docker-compose.test.yml

@@ -0,0 +1,16 @@
+version: "3.8"
+
+services:
+  sut:
+    depends_on:
+      - mc
+    image: itzg/mc-monitor:0.6.0
+    command: status --host mc --retry-interval 1s --retry-limit 120
+  mc:
+    build:
+      context: ..
+      cache_from:
+      - itzg/minecraft-server:latest
+    environment:
+      EULA: "TRUE"
+

tests/test.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+cd $(dirname $0)
+
+failed=false
+args="-f docker-compose.test.yml"
+docker-compose $args run sut || failed=true; docker-compose $args logs mc
+docker-compose $args down -v
+
+if $failed; then
+  exit 1
+fi
+