Fix the benchmark workflow (#302)

Signed-off-by: Fabrice Normandin <normandf@mila.quebec>

.github/workflows/benchmark.yml

@@ -18,17 +18,19 @@ jobs:
     name: Run benchmark-action
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+      - name: Install poetry
+        run: |
+          python -m pip install --upgrade pip
+          pip install poetry
       - name: Set up Python 3.11
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: 3.11
-          cache: "pip"
+          cache: poetry
 
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -e .[all]
+        run: poetry install --all-extras
 
       - name: Download previous benchmark data
         uses: actions/cache@v3
@@ -38,7 +40,7 @@ jobs:
 
       - name: Run benchmark
         run: |
-          pytest --benchmark-only --benchmark-json=.benchmark_output.json
+          poetry run pytest --benchmark-only --cov=simple_parsing --cov-report=xml --cov-append --benchmark-json=.benchmark_output.json
 
       - name: Store benchmark result
         uses: benchmark-action/github-action-benchmark@v1
@@ -62,3 +64,12 @@ jobs:
           # Workflow will fail when an alert happens
           fail-on-alert: true
           alert-comment-cc-users: '@lebrice'
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        with:
+          env_vars: PLATFORM,PYTHON
+          name: codecov-umbrella
+          fail_ci_if_error: false