dev_tools/language_server/tests/test_sdist.py

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"""Tests verifying that the sdist includes tests.

Per Apache release policy, voters must be able to build from source
and run tests to validate. These tests ensure that pyproject.toml
is configured to include tests/ in the source distribution.
"""

import sys
from pathlib import Path

if sys.version_info >= (3, 11):
    import tomllib
else:
    import tomli as tomllib


def get_lsp_dir() -> Path:
    return Path(__file__).resolve().parent.parent


def load_sdist_config() -> dict:
    pyproject = get_lsp_dir() / "pyproject.toml"
    with open(pyproject, "rb") as f:
        config = tomllib.load(f)
    return config["tool"]["flit"]["sdist"]


class TestSdistIncludesTests:
    """Verify tests are included in the source distribution."""

    def test_tests_in_sdist_include(self):
        sdist = load_sdist_config()
        includes = sdist.get("include", [])
        assert "tests/**" in includes, (
            "pyproject.toml [tool.flit.sdist] must include 'tests/**'. "
            "Apache release policy requires tests in the source tarball."
        )

    def test_tests_not_in_sdist_exclude(self):
        sdist = load_sdist_config()
        excludes = sdist.get("exclude", [])
        assert "tests/**" not in excludes, (
            "pyproject.toml [tool.flit.sdist] must not exclude 'tests/**'. "
            "Apache release policy requires tests in the source tarball."
        )