test: add test package and workflow (#41)

* test: add test package and workflow

* typecheck ignore test package

* test eslint output with diff

* test vue rules

Author: lukashass

.github/workflows/test.yml

@@ -0,0 +1,49 @@
+name: Test
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    name: Test with eslint@${{ matrix.eslint-version }} on node@${{ matrix.node-version }} and ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node-version: [14, 16]
+        eslint-version: [7]
+        os: [ubuntu-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Cache pnpm modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-pnpm-modules
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.node-version }}-${{ hashFiles('**/package.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-${{ matrix.node-version }}-
+
+      - uses: pnpm/[email protected]
+        with:
+          version: 6
+          run_install: true
+
+      - name: Install eslint@${{ matrix.eslint-version }}
+        run: pnpm --filter eslint-config-test install eslint@${{ matrix.eslint-version }}
+
+      - name: Run eslint@${{ matrix.eslint-version }}
+        run: pnpm run test

package.json

@@ -16,6 +16,8 @@
     "format": "prettier --check .",
     "format:fix": "prettier --write .",
     "release": "semantic-release",
+    "test": "cd test && pnpm eslint --format codeframe . > eslint-output.snap.tmp || true && diff eslint-output.snap eslint-output.snap.tmp && rm eslint-output.snap.tmp",
+    "test:update": "cd test && pnpm eslint --format codeframe . > eslint-output.snap || true",
     "typecheck": "tsc"
   },
   "dependencies": {