Add tox testing and coverage

.github/workflows/build.yml

@@ -4,22 +4,35 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    name: ${{ matrix.platform }} py${{ matrix.python-version }}
+    runs-on: ${{ matrix.platform }}
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: [3.7, 3.8, 3.9]
+
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
-      with:
-        python-version: '3.8'
-    - uses: actions/cache@v2
-      with:
-        path: ~/.cache/pip
-        key: ${{ hashFiles('setup.py') }}-${{ hashFiles('requirements.txt') }}
-    - name:
-        Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-    - name: Test with pytest
-      run: |
-        pip install --upgrade --upgrade-strategy eager -r requirements.txt -e .
-        pip install pytest
-        pytest
+      - uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      # note: if you need dependencies from conda, considering using
+      # setup-miniconda: https://github.com/conda-incubator/setup-miniconda
+      # and
+      # tox-conda: https://github.com/tox-dev/tox-conda
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools tox tox-gh-actions
+
+      # this runs the platform-specific tests declared in tox.ini
+      - name: Test with tox
+        run: tox
+        env:
+          PLATFORM: ${{ matrix.platform }}
+
+      - name: Coverage
+        uses: codecov/codecov-action@v2

.gitignore

@@ -16,3 +16,6 @@ bworker.py
 *.o
 *.pyc
 .vscode
+.tox
+.coverage
+coverage.xml

MANIFEST.in

@@ -0,0 +1,3 @@
+include requirements*.txt
+include btrack/VERSION.txt
+include btrack/libs/libtracker*

tox.ini

@@ -0,0 +1,29 @@
+# For more information about tox, see https://tox.readthedocs.io/en/latest/
+[tox]
+envlist = py{37,38,39}-{linux,macos,windows}
+
+[gh-actions]
+python =
+    3.7: py37
+    3.8: py38
+    3.9: py39
+
+[gh-actions:env]
+PLATFORM =
+    ubuntu-latest: linux
+    macos-latest: macos
+    windows-latest: windows
+
+[testenv]
+platform =
+    macos: darwin
+    linux: linux
+    windows: windows
+passenv =
+    CI
+    GITHUB_ACTIONS
+    NUMPY_EXPERIMENTAL_ARRAY_FUNCTION
+deps =
+    pytest  # https://docs.pytest.org/en/latest/contents.html
+    pytest-cov  # https://pytest-cov.readthedocs.io/en/latest/
+commands = pytest -v --color=yes --cov=btrack --cov-report=xml