Add integration tests and CI workflow for interpreter detection

.github/workflows/interpreter-integration.yaml

@@ -0,0 +1,76 @@
+name: Interpreter Integration Tests
+on: [workflow_call]
+permissions:
+  contents: read
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          # Python-only configurations
+          - runner: ubuntu-latest
+            python-version: "3.9"
+            r-version: ""
+          - runner: ubuntu-latest
+            python-version: "3.10"
+            r-version: ""
+          - runner: ubuntu-latest
+            python-version: "3.11"
+            r-version: ""
+          - runner: ubuntu-latest
+            python-version: "3.12"
+            r-version: ""
+          - runner: ubuntu-latest
+            python-version: "3.13"
+            r-version: ""
+          # R-only configurations
+          - runner: ubuntu-latest
+            python-version: ""
+            r-version: "4.1"
+          - runner: ubuntu-latest
+            python-version: ""
+            r-version: "4.3"
+          - runner: ubuntu-latest
+            python-version: ""
+            r-version: "4.4"
+          # Combined Python + R
+          - runner: ubuntu-latest
+            python-version: "3.11"
+            r-version: "4.3"
+          - runner: ubuntu-latest
+            python-version: "3.12"
+            r-version: "4.4"
+          # macOS
+          - runner: macos-latest
+            python-version: "3.12"
+            r-version: "4.4"
+          # Windows
+          - runner: windows-latest
+            python-version: "3.12"
+            r-version: "4.4"
+    runs-on: ${{ matrix.runner }}
+    name: >-
+      ${{ matrix.runner }}
+      ${{ matrix.python-version && format('py{0}', matrix.python-version) || '' }}
+      ${{ matrix.r-version && format('R{0}', matrix.r-version) || '' }}
+    defaults:
+      run:
+        working-directory: extensions/vscode
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: "22"
+          cache: "npm"
+          cache-dependency-path: "**/package-lock.json"
+      - uses: actions/setup-python@v5
+        if: matrix.python-version != ''
+        with:
+          python-version: ${{ matrix.python-version }}
+      - uses: r-lib/actions/setup-r@v2
+        if: matrix.r-version != ''
+        with:
+          r-version: ${{ matrix.r-version }}
+      - run: npm install
+      - run: npm run test-integration-interpreters

.github/workflows/pull-request.yaml

@@ -94,6 +94,11 @@ jobs:
     if: needs.detect-changes.outputs.has-code == 'true'
     uses: ./.github/workflows/vscode.yaml
 
+  interpreter-integration:
+    needs: detect-changes
+    if: needs.detect-changes.outputs.has-code == 'true'
+    uses: ./.github/workflows/interpreter-integration.yaml
+
   connect-contract-tests:
     needs: detect-changes
     if: needs.detect-changes.outputs.has-code == 'true'

extensions/vscode/package.json

@@ -655,7 +655,8 @@
     "esbuild-tests": "node ./esbuild.tests.mjs",
     "pretest": "npm run esbuild-tests && npm run esbuild-base",
     "test": "vscode-test",
-    "test-unit": "vitest run"
+    "test-unit": "vitest run",
+    "test-integration-interpreters": "vitest run src/interpreters/integration.test.ts"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.2",