Files
github--spec-kit/tests/unit/test_bundler_packager.py
2026-07-13 11:57:40 +08:00

194 lines
8.1 KiB
Python

"""Unit tests for the artifact packager (T023): contents, versioning, determinism."""
from __future__ import annotations
import os
import zipfile
from pathlib import Path
import pytest
import yaml
from specify_cli.bundler import BundlerError
from specify_cli.bundler.services.packager import build_bundle
from tests.bundler_helpers import valid_manifest_dict
def _make_bundle(directory: Path, *, extra_files: dict | None = None) -> Path:
directory.mkdir(parents=True, exist_ok=True)
(directory / "bundle.yml").write_text(
yaml.safe_dump(valid_manifest_dict()), encoding="utf-8"
)
(directory / "README.md").write_text("# Demo bundle", encoding="utf-8")
for rel, content in (extra_files or {}).items():
target = directory / rel
target.parent.mkdir(parents=True, exist_ok=True)
target.write_text(content, encoding="utf-8")
return directory
def test_artifact_named_by_id_and_version(tmp_path: Path):
bundle = _make_bundle(tmp_path / "b")
result = build_bundle(bundle, output_dir=tmp_path / "out")
assert result.artifact_path.name == "demo-bundle-1.2.0.zip"
def test_artifact_contains_manifest_and_assets(tmp_path: Path):
bundle = _make_bundle(tmp_path / "b", extra_files={"assets/logo.txt": "logo"})
result = build_bundle(bundle, output_dir=tmp_path / "out")
with zipfile.ZipFile(result.artifact_path) as archive:
names = set(archive.namelist())
assert "bundle.yml" in names
assert "README.md" in names
assert "assets/logo.txt" in names
def test_build_refuses_invalid_manifest(tmp_path: Path):
bundle = tmp_path / "b"
bundle.mkdir()
data = valid_manifest_dict()
del data["bundle"]["license"]
(bundle / "bundle.yml").write_text(yaml.safe_dump(data), encoding="utf-8")
(bundle / "README.md").write_text("# x", encoding="utf-8")
with pytest.raises(BundlerError, match="validate"):
build_bundle(bundle, output_dir=tmp_path / "out")
def test_build_missing_manifest_errors(tmp_path: Path):
with pytest.raises(BundlerError, match="No bundle.yml"):
build_bundle(tmp_path, output_dir=tmp_path / "out")
def test_build_is_deterministic(tmp_path: Path):
bundle = _make_bundle(tmp_path / "b", extra_files={"a.txt": "a", "z.txt": "z"})
first = build_bundle(bundle, output_dir=tmp_path / "out1")
second = build_bundle(bundle, output_dir=tmp_path / "out2")
with zipfile.ZipFile(first.artifact_path) as a, zipfile.ZipFile(second.artifact_path) as b:
# Same files, same order (sorted).
assert a.namelist() == b.namelist()
# Fixed timestamps + permissions make each member byte-identical.
for left, right in zip(a.infolist(), b.infolist()):
assert left.date_time == right.date_time
assert left.external_attr == right.external_attr
# The whole artifact is byte-for-byte reproducible.
assert first.artifact_path.read_bytes() == second.artifact_path.read_bytes()
def test_output_dir_inside_bundle_excludes_prior_artifacts(tmp_path: Path):
bundle = _make_bundle(tmp_path / "b", extra_files={"a.txt": "a"})
out_dir = bundle / "dist"
# Build twice into a dir nested in the bundle; the second build must not
# re-package the first artifact, so contents stay identical and bounded.
first = build_bundle(bundle, output_dir=out_dir)
second = build_bundle(bundle, output_dir=out_dir)
with zipfile.ZipFile(second.artifact_path) as archive:
names = archive.namelist()
assert not any(name.startswith("dist/") for name in names)
assert not any(name.endswith(".zip") for name in names)
assert first.file_count == second.file_count
def test_prior_version_artifact_not_repackaged(tmp_path: Path):
# An older artifact sitting next to bundle.yml must not be packaged.
bundle = _make_bundle(tmp_path / "b", extra_files={"a.txt": "a"})
(bundle / "demo-bundle-0.9.0.zip").write_bytes(b"PK\x03\x04 old artifact")
result = build_bundle(bundle, output_dir=bundle)
with zipfile.ZipFile(result.artifact_path) as archive:
names = archive.namelist()
assert not any(name.endswith(".zip") for name in names)
assert "demo-bundle-0.9.0.zip" not in names
def test_symlinked_directory_is_not_followed(tmp_path: Path):
outside = tmp_path / "outside"
outside.mkdir()
(outside / "secret.txt").write_text("secret", encoding="utf-8")
bundle = _make_bundle(tmp_path / "b", extra_files={"a.txt": "a"})
link = bundle / "linkdir"
try:
link.symlink_to(outside, target_is_directory=True)
except (OSError, NotImplementedError):
pytest.skip("symlinks not supported on this platform")
# Build must succeed (no ensure_within failure) and must not pull in the
# out-of-tree file behind the symlinked directory.
result = build_bundle(bundle, output_dir=tmp_path / "out")
with zipfile.ZipFile(result.artifact_path) as archive:
names = archive.namelist()
assert "linkdir/secret.txt" not in names
assert not any("secret" in name for name in names)
def test_unsafe_bundle_id_is_rejected_before_build(tmp_path: Path):
data = valid_manifest_dict()
data["bundle"]["id"] = "../evil"
bundle = tmp_path / "b"
bundle.mkdir(parents=True)
(bundle / "bundle.yml").write_text(yaml.safe_dump(data), encoding="utf-8")
(bundle / "README.md").write_text("# x", encoding="utf-8")
with pytest.raises(BundlerError):
build_bundle(bundle, output_dir=tmp_path / "out")
# The traversal target must not have been written outside out_dir.
assert not (tmp_path / "evil-1.2.0.zip").exists()
def test_build_refuses_missing_readme(tmp_path: Path):
bundle = tmp_path / "b"
bundle.mkdir()
(bundle / "bundle.yml").write_text(
yaml.safe_dump(valid_manifest_dict()), encoding="utf-8"
)
with pytest.raises(BundlerError, match="README.md"):
build_bundle(bundle, output_dir=tmp_path / "out")
def test_asset_zip_starting_with_bundle_id_is_packaged(tmp_path: Path):
# A non-artifact asset whose name merely starts with the bundle id (but is
# not a semver-named build artifact) must still be included.
bundle = _make_bundle(tmp_path / "b", extra_files={"demo-bundle-assets.zip": "data"})
result = build_bundle(bundle, output_dir=tmp_path / "out")
with zipfile.ZipFile(result.artifact_path) as archive:
names = set(archive.namelist())
assert "demo-bundle-assets.zip" in names
def test_prior_semver_artifact_is_excluded(tmp_path: Path):
bundle = _make_bundle(tmp_path / "b", extra_files={"demo-bundle-0.9.0.zip": "old"})
result = build_bundle(bundle, output_dir=bundle)
with zipfile.ZipFile(result.artifact_path) as archive:
names = set(archive.namelist())
assert "demo-bundle-0.9.0.zip" not in names
def test_prior_artifact_with_prerelease_and_build_is_excluded(tmp_path: Path):
# A semver artifact carrying both prerelease and build metadata must still
# be recognized as a prior build artifact and excluded.
bundle = _make_bundle(
tmp_path / "b", extra_files={"demo-bundle-1.0.0-rc1+build5.zip": "old"}
)
result = build_bundle(bundle, output_dir=bundle)
with zipfile.ZipFile(result.artifact_path) as archive:
names = set(archive.namelist())
assert "demo-bundle-1.0.0-rc1+build5.zip" not in names
@pytest.mark.skipif(
os.name == "nt",
reason="Windows filesystems do not carry Unix execute bits, so chmod(0o755) "
"is a no-op and there is no executability to preserve.",
)
def test_executable_bit_preserved_in_artifact(tmp_path: Path):
bundle = _make_bundle(tmp_path / "bundle")
script = bundle / "scripts" / "hook.sh"
script.parent.mkdir(parents=True, exist_ok=True)
script.write_text("#!/bin/sh\necho hi\n", encoding="utf-8")
script.chmod(0o755)
result = build_bundle(bundle, output_dir=tmp_path / "out")
with zipfile.ZipFile(result.artifact_path) as archive:
modes = {
info.filename: (info.external_attr >> 16) & 0o777
for info in archive.infolist()
}
# Executable source -> 0755; plain text files -> 0644.
assert modes["scripts/hook.sh"] == 0o755
assert modes["README.md"] == 0o644