use Tox in github workflow (#34)

.github/workflows/tests.yml

@@ -0,0 +1,34 @@
+name: tests
+
+on:
+  push:
+    branches:
+      - main
+      - '*x'
+    tags:
+      - '*'
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    with:
+      envs: |
+        - linux: check-style
+  test:
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    with:
+      envs: |
+        - linux: py39
+        - linux: py310
+        - linux: py311-xdist
+        - macos: py311-xdist
+        - linux: py3-devdeps-xdist
+        - linux: py3-cov-xdist
+          coverage: codecov
+          pytest-results-summary: true

.github/workflows/tests_scheduled.yml

@@ -0,0 +1,28 @@
+name: scheduled tests
+
+on:
+  schedule:
+    # Weekly Monday 6AM build
+    - cron: "0 0 * * 1"
+  pull_request:
+    # We also want this workflow triggered if the `Weekly CI` label is
+    # added or present when PR is updated
+    types:
+      - synchronize
+      - labeled
+  push:
+    tags: "*"
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    if: (github.repository == 'spacetelescope/costools' && (github.event_name == 'schedule' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, 'Weekly CI')))
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    with:
+      envs: |
+        - linux: py3-devdeps-xdist
+          pytest-results-summary: true

.pre-commit-config.yaml

@@ -0,0 +1,55 @@
+repos:
+
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+    - id: check-added-large-files
+    - id: check-ast
+    - id: check-case-conflict
+    - id: check-yaml
+      args: ["--unsafe"]
+    - id: check-toml
+    - id: check-merge-conflict
+    - id: check-symlinks
+    - id: debug-statements
+    - id: detect-private-key
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+
+- repo: https://github.com/pre-commit/pygrep-hooks
+  rev: v1.10.0
+  hooks:
+    - id: python-check-blanket-noqa
+    - id: python-check-mock-methods
+    - id: rst-directive-colons
+    - id: rst-inline-touching-normal
+    - id: text-unicode-replacement-char
+
+- repo: https://github.com/asottile/pyupgrade
+  rev: 'v3.10.1'
+  hooks:
+    - id: pyupgrade
+      args: ["--py38-plus"]
+
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: 'v0.0.287'
+  hooks:
+    - id: ruff
+      args: ["--fix"]
+
+- repo: https://github.com/pycqa/isort
+  rev: 5.12.0
+  hooks:
+    - id: isort
+
+- repo: https://github.com/psf/black
+  rev: 23.7.0
+  hooks:
+    - id: black
+
+- repo: https://github.com/PyCQA/bandit
+  rev: 1.7.5
+  hooks:
+    - id: bandit
+      args: ["-c", "pyproject.toml"]
+      additional_dependencies: ["bandit[toml]"]

requirements-dev.txt

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+# Use weekly astropy dev build
+--extra-index-url https://pypi.anaconda.org/astropy/simple astropy --pre
+
+# Use Bi-weekly numpy/scipy dev builds
+--extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
+numpy>=0.0.dev0
+scipy>=0.0.dev0
+

tox.ini

@@ -0,0 +1,41 @@
+[tox]
+env_list =
+    check-{style}
+    test{,-devdeps}{,-warnings,-cov}-xdist
+
+[testenv:check-style]
+skip_install = true
+description = Run all style and file checks with pre-commit
+deps =
+    pre-commit
+commands =
+    pre-commit install-hooks
+    pre-commit run {posargs:--color always --all-files --show-diff-on-failure}
+
+[testenv]
+description =
+    run tests
+    devdeps: with the latest developer version of key dependencies
+    warnings: treating warnings as errors
+    cov: with coverage
+    xdist: using parallel processing
+pass_env =
+    HOME
+    CI
+    TOXENV
+    CODECOV_*
+extras =
+    test
+deps =
+    xdist: pytest-xdist
+commands_pre =
+    devdeps: pip install -r requirements-dev.txt -U --upgrade-strategy eager
+    pip list
+commands =
+    pytest \
+    cov: --cov --cov-report term-missing --cov-report xml \
+    warnings: -W error \
+    regtests: --bigdata --slow --basetemp={homedir}/test_outputs \
+    xdist: -n auto \
+    {posargs}
+