Tests

fix: fetch live contract metadata from exchanges #110

Workflow file for this run

.github/workflows/test.yml at 6c42056

	name: Tests

	on:
	push:
	branches:
	- dev
	- development
	- master
	paths-ignore:
	- 'docs/**'
	- '*.md'
	- '.readthedocs*.yaml'
	pull_request:
	branches:
	- dev
	- development
	- master
	schedule:
	# Nightly full-suite run (02:30 UTC) — PRs only run the fast gate.
	- cron: '30 2 * * *'
	workflow_dispatch: # Allow manual trigger

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Fail on tracked build artifacts
	shell: bash
	run: \|
	tracked_artifacts="$(git ls-files \| grep -E '(^\|/)(build\|dist)(/\|$)\|(^\|/)[^/]+\.egg-info(/\|$)' \|\| true)"
	if [ -n "$tracked_artifacts" ]; then
	echo "Tracked build artifacts are not allowed:"
	echo "$tracked_artifacts"
	exit 1
	fi

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: 'pip'

	- name: Install linting tools
	run: \|
	python -m pip install --upgrade pip
	pip install ruff 'black==26.1.0' isort 'mypy==1.16.1' bandit pip-audit

	- name: Run ruff
	run: ruff check backtrader/

	- name: Check formatting with black
	run: black --check --line-length 100 backtrader/

	- name: Check imports with isort
	run: isort --check-only backtrader/

	- name: Guard against star imports outside __init__.py (F403)
	shell: bash
	run: \|
	violations="$(grep -rEn '^from .* import \' backtrader --include='.py' \| grep -v '__init__.py' \|\| true)"
	if [ -n "$violations" ]; then
	echo "Star imports are only allowed in __init__.py:"
	echo "$violations"
	exit 1
	fi

	- name: Type check with mypy
	shell: bash
	run: \|
	# mypy==1.16.1 keeps the Python 3.8 target available; the current
	# gate is fully clean and should fail on any new type error.
	MYPY_THRESHOLD=0
	mypy backtrader --config-file=pyproject.toml \| tee mypy-report.txt \|\| true
	count="$(grep -cE 'error:' mypy-report.txt \|\| true)"
	echo "mypy error count: ${count} (gate threshold ${MYPY_THRESHOLD})"
	if [ "${count}" -gt "${MYPY_THRESHOLD}" ]; then
	echo "::error::mypy errors (${count}) exceed threshold (${MYPY_THRESHOLD}). New type errors were introduced."
	exit 1
	fi

	- name: Security scan with bandit (Medium/High blocking)
	shell: bash
	run: \|
	# R2-S3: Medium/High 阻塞，Low 仅报告。沿用 pyproject.toml [tool.bandit]
	# 的 skips/exclude_dirs。已知的 2 处 Medium（influxfeed B608 / py3 B310）
	# 已 triage 并加 # nosec 注释，当前 Medium/High = 0。
	bandit -r backtrader -ll -q
	echo "bandit Medium/High scan passed (Low findings are reported separately)"

	- name: Bandit Low findings watchdog (iter12 S-1/S-4, non-blocking)
	continue-on-error: true
	shell: bash
	run: \|
	# 迭代12 把所有 Low（B110/B112 静默异常 + B311 弱随机）逐条 triage：
	# 安全敏感路径补日志，热路径加 `# nosec <code>` 带理由，弱随机加 # nosec。
	# 收敛后基线 = 0。任何新增未 triage 的 Low 都会让计数升过基线并告警，
	# 防止静默异常/弱随机回流。
	count="$(bandit -r backtrader -c pyproject.toml -f custom \
	--msg-template '{test_id}' 2>/dev/null \| grep -cE '^B[0-9]+' \|\| true)"
	echo "bandit Low (untriaged) finding count: ${count} (iter12 baseline 0)"
	if [ "${count}" -gt 0 ]; then
	echo "::warning::Untriaged bandit Low findings (${count}) increased above baseline (0). Add a reasoned # nosec or fix."
	fi

	- name: Dependency vulnerability scan (pip-audit, non-blocking)
	continue-on-error: true
	shell: bash
	run: \|
	# 迭代12 T-1: 持续监控依赖已知漏洞（CVE）。当前实测
	# "No known vulnerabilities found"。先以非阻塞看板起步，稳定后可转阻塞。
	pip-audit -r requirements.txt \|\| true

	- name: Complexity monitor (radon F-grade, non-blocking)
	continue-on-error: true
	shell: bash
	run: \|
	# R2-S6: 非阻塞看板，监控 CC>40（F 级）函数数量，防止新增。
	# 基线 13（R2-S6 把 _evaluate_signals 从 F/CC57 降到 C/CC17，抵消 R2-S4
	# fast/slow-path 拆分使 _once_op 升到 F 的影响）。最高风险的撮合状态机/
	# 事件主循环/line 基座函数刻意暂缓（见 Round 1 S5）。
	pip install radon
	count="$(radon cc backtrader -n F -s 2>/dev/null \| grep -cE ' - F ' \|\| true)"
	echo "radon F-grade (CC>40) function count: ${count} (R2-S6 baseline 13)"
	if [ "${count}" -gt 13 ]; then
	echo "::warning::F-grade complex functions (${count}) increased above baseline (13)."
	fi

	test:
	name: Test Python ${{ matrix.python-version }} on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	needs: lint
	strategy:
	fail-fast: false
	matrix:
	include:
	# Ubuntu - test all Python versions (3.8 to 3.13)
	- os: ubuntu-latest
	python-version: '3.8'
	- os: ubuntu-latest
	python-version: '3.9'
	- os: ubuntu-latest
	python-version: '3.10'
	- os: ubuntu-latest
	python-version: '3.11'
	- os: ubuntu-latest
	python-version: '3.12'
	- os: ubuntu-latest
	python-version: '3.13'

	# macOS - test all Python versions (3.8 to 3.13)
	- os: macos-latest
	python-version: '3.8'
	- os: macos-latest
	python-version: '3.9'
	- os: macos-latest
	python-version: '3.10'
	- os: macos-latest
	python-version: '3.11'
	- os: macos-latest
	python-version: '3.12'
	- os: macos-latest
	python-version: '3.13'

	# Windows - test all Python versions (3.8 to 3.13)
	- os: windows-latest
	python-version: '3.8'
	- os: windows-latest
	python-version: '3.9'
	- os: windows-latest
	python-version: '3.10'
	- os: windows-latest
	python-version: '3.11'
	- os: windows-latest
	python-version: '3.12'
	- os: windows-latest
	python-version: '3.13'

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'

	- name: Install dependencies
	shell: bash
	run: \|
	python -m pip install --upgrade pip setuptools wheel

	# Install from setup.py with dev extras
	pip install -e ".[dev]"

	- name: Debug environment
	shell: bash
	run: \|
	echo "Python version:"
	python --version
	echo "Installed packages:"
	pip list \| grep -E "pytest\|numpy\|pandas"
	echo "Test files count:"
	find tests -name "test_*.py" \| wc -l

	- name: Run tests
	shell: bash
	env:
	PYTEST_ADDOPTS: ""
	# PR 门禁跑快速分层（-m "not slow"，~3.5min），push/nightly/手动跑全量。
	EVENT_NAME: ${{ github.event_name }}
	run: \|
	# Verify backtrader import
	python -c "import backtrader; print(f'Backtrader imported: {backtrader.__version__}')"
	# Show pytest and plugin versions
	echo "=== Pytest info ==="
	pip show pytest pytest-xdist pytest-timeout \| grep -E "Name\|Version"
	# Choose tier by event: pull_request => fast gate; everything else => full suite.
	if [ "${EVENT_NAME}" = "pull_request" ]; then
	echo "=== PR fast gate: pytest -m 'not slow' ==="
	pytest tests/ -m "not slow" -n auto --tb=short --timeout=300 -q
	else
	echo "=== Full suite: pytest tests/ ==="
	pytest tests/ -n auto --tb=short --timeout=300 -q
	fi

	coverage:
	name: Coverage (non-strategy subset, non-blocking floor)
	runs-on: ubuntu-latest
	needs: lint
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: 'pip'

	- name: Install dependencies
	shell: bash
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	pip install -e ".[dev]"

	- name: Measure coverage with floor (R2-S5)
	continue-on-error: true
	shell: bash
	run: \|
	# R2-S5: baseline 60% on the non-strategy subset (see docs/COVERAGE_BASELINE.md).
	# Floor set to 55% (5% margin for parallel/sampling jitter). Non-blocking for
	# now (continue-on-error); promote to blocking once stable.
	pytest tests --ignore=tests/functional/strategies \
	--cov=backtrader --cov-report=term-missing:skip-covered \
	--cov-fail-under=55 -n auto --timeout=300 -q

	test-summary:
	name: Test Summary
	runs-on: ubuntu-latest
	needs: test
	if: always()
	steps:
	- name: Check test results
	run: \|
	if [ "${{ needs.test.result }}" == "success" ]; then
	echo "All matrix tests passed."
	else
	echo "At least one matrix test job failed"
	exit 1
	fi

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fix: fetch live contract metadata from exchanges #110

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fix: fetch live contract metadata from exchanges #110

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Workflow file for this run