Implement a docker container for tests (#8199)

* FEAT: implement container for tests

* FEAT: add action for building image

* FIX: pin luajit by hash instead of tag

* FIX: typo

.github/workflows/builddocker.yml

@@ -0,0 +1,42 @@
+name: Build and publish busted tests docker image
+on:
+ workflow_dispatch:
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Generate docker image metadata
+        uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: |
+            ghcr.io/${{ github.repository_owner }}/pathofbuilding-tests
+          labels: |
+            org.opencontainers.image.description=A docker image packaged with the correct versions of tools to run PathOfBuilding busted tests. Includes emmylua debugger files. Refer to https://github.com/PathOfBuildingCommunity/PathOfBuilding/blob/dev/CONTRIBUTING.md for usage instructions.
+            org.opencontainers.image.licenses=https://opensource.org/licenses/MIT
+          tags: |
+            type=sha
+            type=raw,value=latest
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/test.yml

@@ -7,22 +7,11 @@ on:
 jobs:
   run_tests:
     runs-on: ubuntu-latest
+    container: ghcr.io/paliak/pathofbuilding-tests:latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
-      - name: Install Lua/LuaJIT
-        uses: leafo/gh-actions-lua@v8.0.0
-        with:
-          luaVersion: "luajit-2.0.5"
-      - name: Install LuaRocks
-        uses: leafo/gh-actions-luarocks@v4.0.0
-      - name: Install busted
-        run: luarocks install busted
-      - name: Install cluacov
-        run: luarocks install cluacov 0.1.2-1
-      - name: Install coveralls integration
-        run: luarocks install luacov-coveralls
+        uses: actions/checkout@v4
       - name: Run tests
-        run: busted --lua=/home/runner/work/PathOfBuilding/PathOfBuilding/.lua/bin/luajit
+        run: busted --lua=luajit
       - name: Report coverage
         run: cd src; luacov-coveralls --repo-token=${{ secrets.github_token }} -e TestData -e Data -e runtime