Add integration test

.github/workflows/pr-check.yml

@@ -175,7 +175,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.12', '3.14']
+        python-version: ['3.10', '3.12', '3.14']
 
     steps:
       - name: Checkout
@@ -268,7 +268,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.12', '3.14']
+        python-version: ['3.10', '3.12', '3.14']
 
     steps:
       - name: Checkout
@@ -352,3 +352,53 @@ jobs:
       - name: Run Integration Tests (non-Linux)
         if: runner.os != 'Linux'
         run: npm run integration-test
+
+  integration-tests-multiroot:
+    name: Integration Tests (Multi-Root)
+    runs-on: ${{ matrix.os }}
+    needs: [smoke-tests]
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.10', '3.12', '3.14']
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+          cache: 'npm'
+
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Compile Extension
+        run: npm run compile
+
+      - name: Compile Tests
+        run: npm run compile-tests
+
+      - name: Configure Test Settings
+        run: |
+          mkdir -p .vscode-test/user-data/User
+          echo '{"python.useEnvironmentsExtension": true}' > .vscode-test/user-data/User/settings.json
+        shell: bash
+
+      - name: Run Integration Tests Multi-Root (Linux)
+        if: runner.os == 'Linux'
+        uses: GabrielBB/xvfb-action@v1
+        with:
+          run: npm run integration-test-multiroot
+
+      - name: Run Integration Tests Multi-Root (non-Linux)
+        if: runner.os != 'Linux'
+        run: npm run integration-test-multiroot

.github/workflows/push-check.yml

@@ -83,12 +83,55 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.12', '3.14']
+        python-version: ['3.10', '3.12', '3.14']
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Checkout Python Environment Tools
+        uses: actions/checkout@v4
+        with:
+          repository: 'microsoft/python-environment-tools'
+          path: 'python-env-tools-src'
+          sparse-checkout: |
+            crates
+            Cargo.toml
+            Cargo.lock
+          sparse-checkout-cone-mode: false
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Rust build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            python-env-tools-src/target
+          key: ${{ runner.os }}-cargo-pet-${{ hashFiles('python-env-tools-src/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-pet-
+
+      - name: Build Python Environment Tools
+        run: cargo build --release --package pet
+        working-directory: python-env-tools-src
+
+      - name: Copy pet binary (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet python-env-tools/bin/
+          chmod +x python-env-tools/bin/pet
+
+      - name: Copy pet binary (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet.exe python-env-tools/bin/
+        shell: bash
+
       - name: Install Node
         uses: actions/setup-node@v4
         with:
@@ -133,12 +176,55 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.12', '3.14']
+        python-version: ['3.10', '3.12', '3.14']
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Checkout Python Environment Tools
+        uses: actions/checkout@v4
+        with:
+          repository: 'microsoft/python-environment-tools'
+          path: 'python-env-tools-src'
+          sparse-checkout: |
+            crates
+            Cargo.toml
+            Cargo.lock
+          sparse-checkout-cone-mode: false
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Rust build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            python-env-tools-src/target
+          key: ${{ runner.os }}-cargo-pet-${{ hashFiles('python-env-tools-src/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-pet-
+
+      - name: Build Python Environment Tools
+        run: cargo build --release --package pet
+        working-directory: python-env-tools-src
+
+      - name: Copy pet binary (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet python-env-tools/bin/
+          chmod +x python-env-tools/bin/pet
+
+      - name: Copy pet binary (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet.exe python-env-tools/bin/
+        shell: bash
+
       - name: Install Node
         uses: actions/setup-node@v4
         with:
@@ -183,12 +269,55 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ['3.9', '3.12', '3.14']
+        python-version: ['3.10', '3.12', '3.14']
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Checkout Python Environment Tools
+        uses: actions/checkout@v4
+        with:
+          repository: 'microsoft/python-environment-tools'
+          path: 'python-env-tools-src'
+          sparse-checkout: |
+            crates
+            Cargo.toml
+            Cargo.lock
+          sparse-checkout-cone-mode: false
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache Rust build
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            python-env-tools-src/target
+          key: ${{ runner.os }}-cargo-pet-${{ hashFiles('python-env-tools-src/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-pet-
+
+      - name: Build Python Environment Tools
+        run: cargo build --release --package pet
+        working-directory: python-env-tools-src
+
+      - name: Copy pet binary (Unix)
+        if: runner.os != 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet python-env-tools/bin/
+          chmod +x python-env-tools/bin/pet
+
+      - name: Copy pet binary (Windows)
+        if: runner.os == 'Windows'
+        run: |
+          mkdir -p python-env-tools/bin
+          cp python-env-tools-src/target/release/pet.exe python-env-tools/bin/
+        shell: bash
+
       - name: Install Node
         uses: actions/setup-node@v4
         with:

.vscode-test.mjs

@@ -45,7 +45,8 @@ export default defineConfig([
     },
     {
         label: 'integrationTests',
-        files: 'out/test/integration/**/*.integration.test.js',
+        files: 'out/test/integration/*.integration.test.js',
+        workspaceFolder: 'src/test/integration/test-workspace/project-a',
         mocha: {
             ui: 'tdd',
             timeout: 60000,
@@ -61,6 +62,23 @@ export default defineConfig([
         // the native Python tools (pet binary). We use inspect() for
         // useEnvironmentsExtension check, so Python extension's default is ignored.
     },
+    {
+        label: 'integrationTestsMultiRoot',
+        files: 'out/test/integration/multiroot/*.integration.test.js',
+        workspaceFolder: 'src/test/integration/test-workspace/integration-tests.code-workspace',
+        mocha: {
+            ui: 'tdd',
+            timeout: 60000,
+            retries: 1,
+        },
+        env: {
+            VSC_PYTHON_INTEGRATION_TEST: '1',
+        },
+        launchArgs: [
+            `--user-data-dir=${userDataDir}`,
+            '--disable-workspace-trust',
+        ],
+    },
     {
         label: 'extensionTests',
         files: 'out/test/**/*.test.js',

.vscode/settings.json

@@ -29,5 +29,9 @@
     "python-envs.pythonProjects": [],
     "git.branchRandomName.enable": true,
     "git.branchProtection": ["main"],
-    "git.branchProtectionPrompt": "alwaysCommitToNewBranch"
+    "git.branchProtectionPrompt": "alwaysCommitToNewBranch",
+    "chat.tools.terminal.autoApprove": {
+        "npx tsc": true,
+        "mkdir": true
+    }
 }

package.json

@@ -685,6 +685,7 @@
         "smoke-test": "vscode-test --label smokeTests",
         "e2e-test": "vscode-test --label e2eTests --install-extensions ms-python.python",
         "integration-test": "vscode-test --label integrationTests --install-extensions ms-python.python",
+        "integration-test-multiroot": "vscode-test --label integrationTestsMultiRoot --install-extensions ms-python.python",
         "vsce-package": "vsce package -o ms-python-envs-insiders.vsix"
     },
     "devDependencies": {