TST: add test that pixi lock file is consistent with pyproject.toml [ci doc]

jklymak · jklymak · commit f3e0de06b2d6 · 2026-03-30T11:09:16.000-07:00
diff --git a/.github/workflows/pixi_tests.yml b/.github/workflows/pixi_tests.yml
@@ -22,13 +22,39 @@ on:
 permissions: {}
 
 jobs:
+  check-lockfile:
+    runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Set up pixi
+        uses: prefix-dev/setup-pixi@v0.9.4
+        with:
+          pixi-version: v0.66.0
+          run-install: false
+
+      - name: Check that pixi.lock is up to date
+        run: |
+          if ! pixi install --locked --manifest-path pyproject.toml; then
+            echo "::error file=pixi.lock::pixi.lock is not consistent with pyproject.toml. " \
+            "Run 'pixi lock' locally and commit the updated pixi.lock."
+            exit 1
+          fi
+
   pixi-linux-install:
+    needs: check-lockfile
     runs-on: ubuntu-24.04
     permissions:
       contents: read
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -40,15 +66,19 @@ jobs:
           locked: true
           cache: true
           cache-write: ${{ github.event_name == 'push' && github.ref_name == 'main' }}
+
       - name: Show pixi info
         run: |
           pixi info
           pixi list
+
       - name: Clean build artifacts
         run: |
           rm -rf build meson-logs meson-private .mesonpy-*
+
       - name: Install Matplotlib editable
         run: pixi run python -m pip install --config-settings=setup-args="-Db_lto=false" --editable .
+
       - name: Smoke test editable install
         run: |
           pixi run python -c "import matplotlib; print(matplotlib.__version__)"
