Fix Python script path, test correctly

.github/workflows/test.yml

@@ -20,17 +20,22 @@ jobs:
             shell: pwsh
           - os: macos-latest
             shell: pwsh
+    defaults:
+      run:
+        working-directory: src/test_assets
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          path: src
 
       - name: Set up Python with uv (local source)
-        uses: ./
+        uses: ./src
         with:
           python-version: "3.12"
           cache: ${{ matrix.cache }}
           cache-dependency-path: >-
-            test_assets/requirements.txt
+            src/test_assets/requirements.txt
 
       - name: Check active Python (bash)
         if: ${{ matrix.shell == 'bash' }}
@@ -54,13 +59,13 @@ jobs:
         if: ${{ matrix.shell == 'bash' }}
         shell: bash
         run: |
-          uv pip install -r test_assets/requirements.txt
+          uv pip install -r requirements.txt
 
       - name: Install dependencies (pwsh)
         if: ${{ matrix.shell == 'pwsh' }}
         shell: pwsh
         run: |
-          uv pip install -r test_assets/requirements.txt
+          uv pip install -r requirements.txt
 
       - name: Test some stuff (bash)
         if: ${{ matrix.shell == 'bash' }}

action.yml

@@ -37,24 +37,27 @@ runs:
       shell: bash
       run: |
         pipx install uv
-        echo "uv-path=$(which uv)" >> $GITHUB_OUTPUT
-        echo "uv-cache-dir=$(uv cache dir)" >> $GITHUB_OUTPUT
+        uv_path=$(which uv)
+        echo "uv-path=$uv_path" >> $GITHUB_OUTPUT
+        uv_cache_dir=$(uv cache dir)
+        echo "uv-cache-dir=$uv_cache_dir" >> $GITHUB_OUTPUT
         echo "venv-dir=$HOME/.venv" >> $GITHUB_OUTPUT
 
     - name: Windows venv dir (Windows)
       id: venv-dir-windows
       if: ${{ runner.os == 'Windows'}}
       shell: bash
       run: |
-        # actions/cache needs a Windows-style path for Windows, not Unix-style
-        echo "venv-dir=$(cygpath -w ${{ steps.setup-uv.outputs.venv-dir }})" >> $GITHUB_OUTPUT
+        venv_dir=$(cygpath -w ${{ steps.setup-uv.outputs.venv-dir }})
+        echo "venv-dir=$venv_dir" >> $GITHUB_OUTPUT
 
     - name: Generate checksum of cache dependencies
       id: cache-dependency-checksum
       if: ${{ (inputs.cache == 'packages' || inputs.cache == 'venv') && inputs.cache-dependency-path }}
       shell: bash
       run: |
-        echo "checksum-suffix=-$(python checksum.py ${{ inputs.cache-dependency-path }})" >> $GITHUB_OUTPUT
+        overall_checksum=$(python $GITHUB_ACTION_PATH/checksum.py ${{ inputs.cache-dependency-path }})
+        echo "checksum-suffix=-$overall_checksum" >> $GITHUB_OUTPUT
 
     - name: Set up package cache
       id: setup-package-cache

checksum.py

@@ -9,7 +9,10 @@ def main():
     dep_checksums = []
     for dep in sorted(sys.argv[1:]):
         # In general, dep is a glob
-        for path in sorted(Path().glob(dep)):
+        paths = sorted(Path().glob(dep))
+        if not paths:
+            raise Exception(f"No files found for dependency path: {dep}")
+        for path in paths:
             dep_checksums.append((path, hashlib.md5(path.read_bytes()).hexdigest()))
     dep_checksums_str = "\n".join(
         [f"{path} {checksum}" for path, checksum in dep_checksums]