ci: use cibuildwheel for pyodide test

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

.github/workflows/emscripten.yaml

@@ -15,44 +15,16 @@ jobs:
     name: Pyodide wheel
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
         fetch-depth: 0
 
-    - uses: actions/setup-python@v4
+    - uses: pypa/cibuildwheel@v2.19
+      env:
+        PYODIDE_BUILD_EXPORTS: whole_archive
+        CFLAGS: -fexceptions
+        LDFLAGS: -fexceptions
       with:
-        python-version: "3.11"
-
-    - name: Install pyodide-build
-      run: pip install pyodide-build==0.23.4
-
-    - name: Compute emsdk version
-      id: compute-emsdk-version
-      run: |
-        # Prepare xbuild environment (side-effect)
-        pyodide config list
-        # Save EMSDK version
-        EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
-        echo "emsdk-version=$EMSCRIPTEN_VERSION" >> $GITHUB_OUTPUT
-
-    - uses: mymindstorm/setup-emsdk@v12
-      with:
-        version: ${{ steps.compute-emsdk-version.outputs.emsdk-version }}
-        actions-cache-folder: emsdk-cache
-
-    - name: Build
-      run: PYODIDE_BUILD_EXPORTS=whole_archive CFLAGS=-fexceptions LDFLAGS=-fexceptions pyodide build
-      working-directory: tests
-
-    - uses: actions/setup-node@v3
-      with:
-        node-version: 18
-
-    - name: Set up Pyodide virtual environment
-      run: |
-        pyodide venv .venv-pyodide
-        .venv-pyodide/bin/pip install $(echo -n tests/dist/*.whl)
-
-    - name: Test
-      run: .venv-pyodide/bin/pytest -o timeout=0 tests/test_*.py
+        package-dir: tests
+        only: cp312-pyodide_wasm32

tests/pyproject.toml

@@ -2,10 +2,16 @@
 # builder for the tests (yet). Specifically, wheels can't be built from SDists.
 
 [build-system]
-requires = ["scikit-build-core[pyproject]"]
+requires = ["scikit-build-core"]
 build-backend = "scikit_build_core.build"
 
 [project]
 name = "pybind11_tests"
 version = "0.0.1"
 dependencies = ["pytest", "pytest-timeout", "numpy", "scipy"]
+
+[tool.scikit-build.cmake.define]
+PYBIND11_FINDPYTHON = true
+
+[tool.cibuildwheel]
+test-command = "pytest -o timeout=0 -p no:cacheprovider {project}/tests/test_*.py"