Re-enable testing on both macOS amd64 and macOS arm64

.github/workflows/scheduled_tests.yaml

@@ -35,10 +35,12 @@ jobs:
     outputs:
       pybop_matrix: ${{ steps.set-matrix.outputs.matrix }}
 
-  # filter the matrix to only include the macOS-latest entries
+  # Filter the matrix to only include Python and PyBaMM versions. This job
+  # is used for the self-hosted macOS-14 (arm64) runner at this time.
   filter_pybamm_matrix:
-    name: Filter the matrix for macOS-latest entries
+    name: Filter the matrix for OS and Python version
     needs: [create_pybamm_matrix]
+    if: github.repository == 'pybop-team/PyBOP'
     runs-on: ubuntu-latest
     outputs:
       filtered_pybop_matrix: ${{ steps.set-matrix.outputs.matrix }}
@@ -53,8 +55,12 @@ jobs:
           matrix_json = '${{ needs.create_pybamm_matrix.outputs.pybop_matrix }}'
           matrix = json.loads(matrix_json)
 
-          # Filter the matrix for macOS-latest entries only
-          filtered_entries = [entry for entry in matrix['include'] if entry['os'] == 'macos-latest']
+          # Filter the matrix to include just the Python version and PyBaMM version
+          # First filter the matrix to only include macOS-14 entries
+          filtered_entries = [entry for entry in matrix['include'] if entry['os'] == 'macos-14']
+          # Then remove the os key from the entries
+          for entry in filtered_entries:
+              entry.pop('os')
           filtered_matrix = {'include': filtered_entries}
 
           # Set the output variable for other jobs to use
@@ -64,7 +70,7 @@ jobs:
         shell: python
 
   build:
-    needs: [create_pybamm_matrix, filter_pybamm_matrix]
+    needs: [create_pybamm_matrix]
     name: Build (${{ matrix.os }}, Python ${{ matrix.python_version }}, PyBaMM ${{ matrix.pybamm_version }})
     runs-on: ${{ matrix.os }}
     strategy:
@@ -82,7 +88,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip nox
+          python -m pip install --upgrade pip nox[uv]
 
       - name: Unit tests with nox
         run: python -m nox -s coverage
@@ -92,6 +98,8 @@ jobs:
 
   # M-series Mac Mini
   build-apple-mseries:
+    # This job filters the matrix JSON created in build_matrix.sh to provide
+    # a matrix of only macOS-14 (arm64) entries
     needs: [filter_pybamm_matrix]
     name: Build (MacOS M-series, Python ${{ matrix.python_version }}, PyBaMM ${{ matrix.pybamm_version }})
     runs-on: [self-hosted, macOS, ARM64]
@@ -117,7 +125,7 @@ jobs:
         run: |
           eval "$(pyenv init -)"
           pyenv activate pybop-${{ matrix.python_version }}-${{ matrix.pybamm_version }}
-          python -m pip install --upgrade pip nox
+          python -m pip install --upgrade pip nox[uv]
           python -m nox -s coverage
           python -m nox -s examples
 

.github/workflows/test_on_push.yaml

@@ -46,7 +46,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip "nox[uv]"
+          python -m pip install --upgrade pip nox[uv]
 
       - name: Integration tests
         run: |
@@ -58,19 +58,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-13, macos-14]
         python-version: ["3.9", "3.10", "3.11", "3.12"]
         exclude: # We run the coverage tests on Ubuntu with Python 3.12
           - os: ubuntu-latest
             python-version: "3.12"
-        # Include MacOS M-series Runners
-        include:
-          - os: macos-14
-            python-version: "3.10"
-          - os: macos-14
-            python-version: "3.11"
-          - os: macos-14
-            python-version: "3.12"
 
     name: Unit tests (${{ matrix.os }} / Python ${{ matrix.python-version }})
 
@@ -133,8 +125,8 @@ jobs:
           cache-dependency-path: setup.py
 
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip "nox[uv]"
+        run: python -m pip install --upgrade pip nox[uv]
+
       - name: Run coverage tests for Ubuntu with Python 3.12 and generate report
         run: nox -s coverage
 

CHANGELOG.md

@@ -2,7 +2,6 @@
 
 ## Features
 
-
 - [#301](https://github.com/pybop-team/PyBOP/pull/301) - Updates default echem solver to "fast with events" mode.
 - [#251](https://github.com/pybop-team/PyBOP/pull/251) - Increment PyBaMM > v23.5, remove redundant tests within integration tests, increment citation version, fix examples with incorrect model definitions.
 - [#285](https://github.com/pybop-team/PyBOP/pull/285) - Drop support for Python 3.8.
@@ -18,6 +17,7 @@ codesigned binaries and source distributions via `sigstore-python`.
 
 ## Bug Fixes
 
+- [#308](https://github.com/pybop-team/PyBOP/pull/308) - Enables testing on both macOS Intel and macOS ARM (Silicon) runners and fixes the scheduled tests.
 - [#299](https://github.com/pybop-team/PyBOP/pull/299) - Bugfix multiprocessing support for Linux, MacOS, Windows (WSL) and improves coverage.
 - [#270](https://github.com/pybop-team/PyBOP/pull/270) - Updates PR template.
 - [#91](https://github.com/pybop-team/PyBOP/issues/91) - Adds a check on the number of parameters for CMAES and makes XNES the default optimiser.

noxfile.py

@@ -4,7 +4,7 @@
 
 # nox options
 nox.options.reuse_existing_virtualenvs = True
-nox.options.force_venv_backend = "uv"
+nox.options.force_venv_backend = "uv|virtualenv"
 nox.needs_version = ">=2024.4.15"
 
 # Environment variables to control CI behaviour for nox sessions

scripts/ci/build_matrix.sh

@@ -4,13 +4,13 @@
 # scheduled/nightly builds for PyBOP, i.e., in scheduled_tests.yaml
 # It generates a matrix of all combinations of the following variables:
 # - python_version: 3.X
-# - os: ubuntu-latest, windows-latest, macos-latest
+# - os: ubuntu-latest, windows-latest, macos-13 (amd64), macos-14 (arm64)
 # - pybamm_version: the last X versions of PyBaMM from PyPI, excluding release candidates
 
 # To update the matrix, the variables below can be modified as needed.
 
 python_version=("3.9" "3.10" "3.11" "3.12")
-os=("ubuntu-latest" "windows-latest" "macos-latest")
+os=("ubuntu-latest" "windows-latest" "macos-13" "macos-14")
 # This command fetches the last two PyBaMM versions excluding release candidates from PyPI
 pybamm_version=($(curl -s https://pypi.org/pypi/pybamm/json | jq -r '.releases | keys[]' | grep -v rc | tail -n 2 | paste -sd " " -))
 
@@ -41,7 +41,6 @@ json+='
 }'
 
 # Filter out incompatible combinations
-json=$(echo "$json" | jq -c 'del(.include[] | select(.pybamm_version == "23.5" and .python_version == "3.12"))')
 json=$(echo "$json" | jq -c 'del(.include[] | select(.pybamm_version == "23.9" and .python_version == "3.12"))')
 
 echo "$json" | jq -c .