👷 Update CI to tests new functionalities

.github/workflows/default.yml

@@ -1,10 +1,10 @@
-name: default
+name: CI
+
 on:
   pull_request:
   push:
 
 jobs:
-  # run linters and unit tests
   lint-and-test-units:
     runs-on: ubuntu-latest
     steps:
@@ -20,25 +20,14 @@ jobs:
       - run: npm run format:check
       - run: npm run test
 
-  # run action on a clean machine without building to check that it works as expected
   test-integration:
     runs-on: ${{ matrix.os }}
-
     strategy:
       matrix:
-        python-version:
-          - "3.8"
-          - "3.9"
-          - "3.10"
-          - "3.11"
-          - "3.12"
-        uv-version:
-          - "0.1.12"
-          - ""
-        os:
-          - macos-latest
-          - ubuntu-latest
-          - windows-latest
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        uv-version: ["0.1.12", "0.3.0", ""]
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        cache: [true, false]
       fail-fast: true
 
     steps:
@@ -50,6 +39,7 @@ jobs:
         with:
           uv-version: ${{ matrix.uv-version }}
           uv-venv: "my_virt_env"
+          uv-cache: ${{ matrix.cache }}
       - run: uv --version
       - name: Get python executable on Windows
         if: runner.os == 'Windows'
@@ -60,4 +50,53 @@ jobs:
         run: |
           which python
       - name: Check inside virtual environment
-        run: python -c "import sys; exit(0 if sys.prefix != sys.base_prefix else 1)"
+        run: python -c "import sys; exit(0 if sys.prefix != sys.base_prefix else 1)"
+      - name: Check cache directory (non-Windows)
+        if: runner.os != 'Windows' && matrix.cache == 'true'
+        run: |
+          ls -la ${{ env.UV_CACHE_DIR || '/tmp/.uv-cache' }}
+      - name: Check cache directory (Windows)
+        if: runner.os == 'Windows' && matrix.cache == 'true'
+        run: |
+          Get-ChildItem -Force ${{ env.UV_CACHE_DIR || '$env:TEMP\.uv-cache' }}
+
+  test-cache-behavior:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Test cache with unsupported version
+        uses: ./
+        with:
+          uv-version: "0.2.9"
+          uv-cache: true
+      - name: Verify no cache for unsupported version
+        run: |
+          if [ -d "$UV_CACHE_DIR" ]; then
+            echo "Cache directory exists when it shouldn't"
+            exit 1
+          fi
+      - name: Test cache with supported version
+        uses: ./
+        with:
+          uv-version: "0.3.0"
+          uv-cache: true
+      - name: Verify cache for supported version
+        run: |
+          if [ ! -d "$UV_CACHE_DIR" ]; then
+            echo "Cache directory doesn't exist when it should"
+            exit 1
+          fi
+      - name: Test no cache when not requested
+        uses: ./
+        with:
+          uv-version: "0.3.0"
+          uv-cache: false
+      - name: Verify no cache when not requested
+        run: |
+          if [ -d "$UV_CACHE_DIR" ]; then
+            echo "Cache directory exists when it shouldn't"
+            exit 1
+          fi