ci: Fix skore workflow to send coverage report even on PR from forks

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
               - 'skore/tests/**'
               - 'skore/pyproject.toml'
               - 'skore/requirements*.txt'
-              - '.github/workflows/skore.yml'
+              - '.github/workflows/skore-test.yml'
             skore-ui:
               - 'skore-ui/**'
               - '.github/workflows/skore-ui.yml'
@@ -42,7 +42,7 @@ jobs:
   lint-and-test-skore:
     needs: [lint-all-files, changes]
     if: ${{ (github.event_name == 'push' && github.ref == 'refs/heads/main') || (github.event_name == 'pull_request' && needs.changes.outputs.skore == 'true') }}
-    uses: ./.github/workflows/skore.yml
+    uses: ./.github/workflows/skore-test.yml
     permissions:
       contents: read
       pull-requests: write

.github/workflows/skore-send-coverage-artifact.yml

@@ -0,0 +1,29 @@
+name:
+
+on:
+  workflow_run:
+    workflows: ["Reusable skore workflow"]
+    types:
+      - completed
+
+permissions:
+  pull-requests: write
+
+jobs:
+  send-coverage-message:
+    runs-on: ubuntu-latest
+    if: >
+      github.event.workflow_run.event == 'pull_request' &&
+      github.event.workflow_run.conclusion == 'success'
+    steps:
+      - name: Download coverage reports
+        uses: actions/download-artifact@v4
+        with:
+          name: python-coverage
+          path: coverage/
+      - name: Send
+        uses: MishaKav/pytest-coverage-comment@main
+        with:
+          pytest-coverage-path: coverage/coverage.txt
+          junitxml-path: coverage/coverage.xml
+          title: pytest coverage report

.github/workflows/skore-test.yml

@@ -0,0 +1,54 @@
+name: Reusable skore workflow
+
+on: [workflow_call]
+
+defaults:
+  run:
+    shell: "bash"
+
+jobs:
+  test-skore:
+    strategy:
+      fail-fast: true
+      matrix:
+        os: ["ubuntu-latest", "windows-latest"]
+        python: ["3.9", "3.10", "3.11", "3.12"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+          cache: "pip"
+      - name: Setup
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade pre-commit
+          python -m pip install --upgrade build
+      - name: Lint
+        working-directory: skore/
+        run: pre-commit run --all-files ruff
+      - name: Build
+        working-directory: skore/
+        run: python -m build
+      - name: Install
+        working-directory: skore/
+        run: wheel=(dist/*.whl); python -m pip install "${wheel}[test]"
+      - name: Test without coverage
+        if: matrix.os != 'ubuntu-latest' ||  matrix.python != '3.12'
+        timeout-minutes: 10
+        working-directory: skore/
+        run: python -m pytest --no-cov src/ tests/
+      - name: Test with coverage
+        if: matrix.os == 'ubuntu-latest' &&  matrix.python == '3.12'
+        timeout-minutes: 10
+        working-directory: skore/
+        run: |
+          mkdir coverage
+          python -m pytest --junitxml=coverage/coverage.xml --cov=skore src/ tests/ | tee coverage/coverage.txt
+      - name: Upload coverage reports
+        if: matrix.os == 'ubuntu-latest' &&  matrix.python == '3.12'
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-coverage
+          path: skore/coverage/