Add workflow job on mac to check blas

.github/workflows/test.yml

@@ -61,8 +61,86 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - uses: pre-commit/action@v3.0.1
 
+  test_mac:
+    name: "Mac test py${{ matrix.python-version }} : fast-compile ${{ matrix.fast-compile }} : float32 ${{ matrix.float32 }} : ${{ matrix.part }}"
+    needs:
+      - changes
+      - style
+    runs-on: macos-latest
+    if: ${{ needs.changes.outputs.changes == 'true' && needs.style.result == 'success' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["macos-latest"]
+        python-version: ["3.10", "3.12"]
+        fast-compile: [0]
+        float32: [0, 1]
+        install-numba: [0]
+        install-jax: [0]
+        install-torch: [0]
+        part:
+          - "tests/tensor/test_blas.py tests/tensor/test_elemwise.py tests/tensor/test_math_scipy.py"
+        exclude:
+          - python-version: "3.10"
+            float32: 1
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: mamba-org/setup-micromamba@v1
+        with:
+          environment-name: pytensor-test
+          micromamba-version: "1.5.10-0" # until https://github.com/mamba-org/setup-micromamba/issues/225 is resolved
+          init-shell: bash
+          post-cleanup: "all"
+          create-args: python=${{ matrix.python-version }}
+
+      - name: Create matrix id
+        id: matrix-id
+        env:
+          MATRIX_CONTEXT: ${{ toJson(matrix) }}
+        run: |
+          echo $MATRIX_CONTEXT
+          export MATRIX_ID=`echo $MATRIX_CONTEXT | md5sum | cut -c 1-32`
+          echo $MATRIX_ID
+          echo "id=$MATRIX_ID" >> $GITHUB_OUTPUT
+
+      - name: Install dependencies
+        shell: micromamba-shell {0}
+        run: |
+
+          micromamba install --yes -q "python~=${PYTHON_VERSION}=*_cpython" numpy scipy pip graphviz cython pytest coverage pytest-cov pytest-benchmark pytest-mock libblas=*=*accelerate
+          pip install pytest-sphinx
+          
+          pip install -e ./
+          micromamba list && pip freeze
+          python -c 'import pytensor; print(pytensor.config.__str__(print_doc=False))'
+          python -c 'import pytensor; assert pytensor.config.blas__ldflags.startswith("-framework Accelerate"), "Blas flags are empty"'
+        env:
+          PYTHON_VERSION: ${{ matrix.python-version }}
+
+      - name: Run tests
+        shell: micromamba-shell {0}
+        run: |
+          if [[ $FAST_COMPILE == "1" ]]; then export PYTENSOR_FLAGS=$PYTENSOR_FLAGS,mode=FAST_COMPILE; fi
+          if [[ $FLOAT32 == "1" ]]; then export PYTENSOR_FLAGS=$PYTENSOR_FLAGS,floatX=float32; fi
+          export PYTENSOR_FLAGS=$PYTENSOR_FLAGS,warn__ignore_bug_before=all,on_opt_error=raise,on_shape_error=raise,gcc__cxxflags=-pipe
+          python -m pytest -r A --verbose --runslow --durations=50 --cov=pytensor/ --cov-report=xml:coverage/coverage-${MATRIX_ID}.xml --no-cov-on-fail $PART --benchmark-skip
+        env:
+          MATRIX_ID: ${{ steps.matrix-id.outputs.id }}
+          PART: ${{ matrix.part }}
+          FAST_COMPILE: ${{ matrix.fast-compile }}
+          FLOAT32: ${{ matrix.float32 }}
+
+      - name: Upload coverage file
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-${{ steps.matrix-id.outputs.id }}
+          path: coverage/coverage-${{ steps.matrix-id.outputs.id }}.xml
+
   test_ubuntu:
-    name: "Test py${{ matrix.python-version }} : fast-compile ${{ matrix.fast-compile }} : float32 ${{ matrix.float32 }} : ${{ matrix.part }}"
+    name: "Ubuntu test py${{ matrix.python-version }} : fast-compile ${{ matrix.fast-compile }} : float32 ${{ matrix.float32 }} : ${{ matrix.part }}"
     needs:
       - changes
       - style
@@ -71,6 +149,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os: ["ubuntu-latest"]
         python-version: ["3.10", "3.12"]
         fast-compile: [0, 1]
         float32: [0, 1]
@@ -249,10 +328,10 @@ jobs:
     if: ${{ always() }}
     runs-on: ubuntu-latest
     name: "All tests"
-    needs: [changes, style, test_ubuntu]
+    needs: [changes, style, test_mac, test_ubuntu]
     steps:
       - name: Check build matrix status
-        if: ${{ needs.changes.outputs.changes == 'true' && (needs.style.result != 'success' || needs.test_ubuntu.result != 'success') }}
+        if: ${{ needs.changes.outputs.changes == 'true' && (needs.style.result != 'success' || needs.test_mac.result != 'success' || needs.test_ubuntu.result != 'success') }}
         run: exit 1
 
   upload-coverage: