enroll/tests/test_misc_coverage.py
2026-01-05 14:27:56 +11:00

416 lines
14 KiB
Python

from __future__ import annotations
import json
import os
import stat
import subprocess
import sys
import types
from pathlib import Path
from types import SimpleNamespace
import pytest
from enroll.cache import _safe_component, new_harvest_cache_dir
from enroll.ignore import IgnorePolicy
from enroll.sopsutil import (
SopsError,
_pgp_arg,
decrypt_file_binary_to,
encrypt_file_binary,
)
def test_safe_component_sanitizes_and_bounds_length():
assert _safe_component(" ") == "unknown"
assert _safe_component("a/b c") == "a_b_c"
assert _safe_component("x" * 200) == "x" * 64
def test_new_harvest_cache_dir_uses_xdg_cache_home(tmp_path: Path, monkeypatch):
monkeypatch.setenv("XDG_CACHE_HOME", str(tmp_path / "xdg"))
hc = new_harvest_cache_dir(hint="my host/01")
assert hc.dir.exists()
assert "my_host_01" in hc.dir.name
assert str(hc.dir).startswith(str(tmp_path / "xdg"))
# best-effort: ensure directory is not world-readable on typical FS
try:
mode = stat.S_IMODE(hc.dir.stat().st_mode)
assert mode & 0o077 == 0
except OSError:
pass
def test_ignore_policy_denies_binary_and_sensitive_content(tmp_path: Path):
p_bin = tmp_path / "binfile"
p_bin.write_bytes(b"abc\x00def")
assert IgnorePolicy().deny_reason(str(p_bin)) == "binary_like"
p_secret = tmp_path / "secret.conf"
p_secret.write_text("password=foo\n", encoding="utf-8")
assert IgnorePolicy().deny_reason(str(p_secret)) == "sensitive_content"
# dangerous mode disables heuristic scanning (but still checks file-ness/size)
assert IgnorePolicy(dangerous=True).deny_reason(str(p_secret)) is None
def test_ignore_policy_denies_usr_local_shadow_by_glob():
# This should short-circuit before stat() (path doesn't need to exist).
assert IgnorePolicy().deny_reason("/usr/local/etc/shadow") == "denied_path"
def test_sops_pgp_arg_and_encrypt_decrypt_roundtrip(tmp_path: Path, monkeypatch):
assert _pgp_arg([" ABC ", "DEF"]) == "ABC,DEF"
with pytest.raises(SopsError):
_pgp_arg([])
# Stub out sops and subprocess.
import enroll.sopsutil as s
monkeypatch.setattr(s, "require_sops_cmd", lambda: "sops")
class R:
def __init__(self, rc: int, out: bytes, err: bytes = b""):
self.returncode = rc
self.stdout = out
self.stderr = err
calls = []
def fake_run(cmd, capture_output, check):
calls.append(cmd)
# Return a deterministic payload so we can assert file writes.
if "--encrypt" in cmd:
return R(0, b"ENCRYPTED")
if "--decrypt" in cmd:
return R(0, b"PLAINTEXT")
return R(1, b"", b"bad")
monkeypatch.setattr(s.subprocess, "run", fake_run)
src = tmp_path / "src.bin"
src.write_bytes(b"x")
enc = tmp_path / "out.sops"
dec = tmp_path / "out.bin"
encrypt_file_binary(src, enc, pgp_fingerprints=["ABC"], mode=0o600)
assert enc.read_bytes() == b"ENCRYPTED"
decrypt_file_binary_to(enc, dec, mode=0o644)
assert dec.read_bytes() == b"PLAINTEXT"
# Sanity: we invoked encrypt and decrypt.
assert any("--encrypt" in c for c in calls)
assert any("--decrypt" in c for c in calls)
def test_cache_dir_defaults_to_home_cache(monkeypatch, tmp_path: Path):
# Ensure default path uses ~/.cache when XDG_CACHE_HOME is unset.
from enroll.cache import enroll_cache_dir
monkeypatch.delenv("XDG_CACHE_HOME", raising=False)
monkeypatch.setattr(Path, "home", lambda: tmp_path)
p = enroll_cache_dir()
assert str(p).startswith(str(tmp_path))
assert p.name == "enroll"
def test_harvest_cache_state_json_property(tmp_path: Path):
from enroll.cache import HarvestCache
hc = HarvestCache(tmp_path / "h1")
assert hc.state_json == hc.dir / "state.json"
def test_cache_dir_security_rejects_symlink(tmp_path: Path):
from enroll.cache import _ensure_dir_secure
real = tmp_path / "real"
real.mkdir()
link = tmp_path / "link"
link.symlink_to(real, target_is_directory=True)
with pytest.raises(RuntimeError, match="Refusing to use symlink"):
_ensure_dir_secure(link)
def test_cache_dir_chmod_failures_are_ignored(monkeypatch, tmp_path: Path):
from enroll import cache
# Make the cache base path deterministic and writable.
monkeypatch.setattr(cache, "enroll_cache_dir", lambda: tmp_path)
# Force os.chmod to fail to cover the "except OSError: pass" paths.
monkeypatch.setattr(
os, "chmod", lambda *a, **k: (_ for _ in ()).throw(OSError("nope"))
)
hc = cache.new_harvest_cache_dir()
assert hc.dir.exists()
assert hc.dir.is_dir()
def test_stat_triplet_falls_back_to_numeric_ids(monkeypatch, tmp_path: Path):
from enroll.fsutil import stat_triplet
import pwd
import grp
p = tmp_path / "x"
p.write_text("x", encoding="utf-8")
# Force username/group resolution failures.
monkeypatch.setattr(
pwd, "getpwuid", lambda _uid: (_ for _ in ()).throw(KeyError("no user"))
)
monkeypatch.setattr(
grp, "getgrgid", lambda _gid: (_ for _ in ()).throw(KeyError("no group"))
)
owner, group, mode = stat_triplet(str(p))
assert owner.isdigit()
assert group.isdigit()
assert len(mode) == 4
def test_ignore_policy_iter_effective_lines_removes_block_comments():
from enroll.ignore import IgnorePolicy
pol = IgnorePolicy()
data = b"""keep1
/*
drop me
*/
keep2
"""
assert list(pol.iter_effective_lines(data)) == [b"keep1", b"keep2"]
def test_ignore_policy_deny_reason_dir_variants(tmp_path: Path):
from enroll.ignore import IgnorePolicy
pol = IgnorePolicy()
# denied by glob
assert pol.deny_reason_dir("/etc/shadow") == "denied_path"
# symlink rejected
d = tmp_path / "d"
d.mkdir()
link = tmp_path / "l"
link.symlink_to(d, target_is_directory=True)
assert pol.deny_reason_dir(str(link)) == "symlink"
# not a directory
f = tmp_path / "f"
f.write_text("x", encoding="utf-8")
assert pol.deny_reason_dir(str(f)) == "not_directory"
# ok
assert pol.deny_reason_dir(str(d)) is None
def test_run_jinjaturtle_parses_outputs(monkeypatch, tmp_path: Path):
# Fully unit-test enroll.jinjaturtle.run_jinjaturtle by stubbing subprocess.run.
from enroll.jinjaturtle import run_jinjaturtle
def fake_run(cmd, **kwargs): # noqa: ARG001
# cmd includes "-d <defaults> -t <template>"
d_idx = cmd.index("-d") + 1
t_idx = cmd.index("-t") + 1
defaults = Path(cmd[d_idx])
template = Path(cmd[t_idx])
defaults.write_text("---\nfoo: 1\n", encoding="utf-8")
template.write_text("value={{ foo }}\n", encoding="utf-8")
return SimpleNamespace(returncode=0, stdout="ok", stderr="")
monkeypatch.setattr(subprocess, "run", fake_run)
src = tmp_path / "src.ini"
src.write_text("foo=1\n", encoding="utf-8")
res = run_jinjaturtle("/bin/jinjaturtle", str(src), role_name="role1")
assert "foo: 1" in res.vars_text
assert "value=" in res.template_text
def test_run_jinjaturtle_raises_on_failure(monkeypatch, tmp_path: Path):
from enroll.jinjaturtle import run_jinjaturtle
def fake_run(cmd, **kwargs): # noqa: ARG001
return SimpleNamespace(returncode=2, stdout="out", stderr="bad")
monkeypatch.setattr(subprocess, "run", fake_run)
src = tmp_path / "src.ini"
src.write_text("x", encoding="utf-8")
with pytest.raises(RuntimeError, match="jinjaturtle failed"):
run_jinjaturtle("/bin/jinjaturtle", str(src), role_name="role1")
def test_require_sops_cmd_errors_when_missing(monkeypatch):
from enroll.sopsutil import require_sops_cmd, SopsError
monkeypatch.setattr("enroll.sopsutil.shutil.which", lambda _: None)
with pytest.raises(SopsError, match="not found on PATH"):
require_sops_cmd()
def test_get_enroll_version_reports_unknown_on_metadata_failure(monkeypatch):
import enroll.version as v
fake_meta = types.ModuleType("importlib.metadata")
def boom():
raise RuntimeError("boom")
fake_meta.packages_distributions = boom
fake_meta.version = lambda _dist: boom()
monkeypatch.setitem(sys.modules, "importlib.metadata", fake_meta)
assert v.get_enroll_version() == "unknown"
def test_get_enroll_version_returns_unknown_if_importlib_metadata_unavailable(
monkeypatch,
):
import builtins
import enroll.version as v
real_import = builtins.__import__
def fake_import(
name, globals=None, locals=None, fromlist=(), level=0
): # noqa: A002
if name == "importlib.metadata":
raise ImportError("no metadata")
return real_import(name, globals, locals, fromlist, level)
monkeypatch.setattr(builtins, "__import__", fake_import)
assert v.get_enroll_version() == "unknown"
def test_compare_harvests_and_format_report(tmp_path: Path):
from enroll.diff import compare_harvests, format_report
old = tmp_path / "old"
new = tmp_path / "new"
(old / "artifacts").mkdir(parents=True)
(new / "artifacts").mkdir(parents=True)
def write_state(base: Path, state: dict) -> None:
base.mkdir(parents=True, exist_ok=True)
(base / "state.json").write_text(json.dumps(state, indent=2), encoding="utf-8")
# Old bundle: pkg a@1.0, pkg b@1.0, one service, one user, one managed file.
old_state = {
"schema_version": 3,
"host": {"hostname": "h1"},
"inventory": {"packages": {"a": {"version": "1.0"}, "b": {"version": "1.0"}}},
"roles": {
"services": [
{
"unit": "svc.service",
"role_name": "svc",
"packages": ["a"],
"active_state": "inactive",
"sub_state": "dead",
"unit_file_state": "enabled",
"condition_result": None,
"managed_files": [
{
"path": "/etc/foo.conf",
"src_rel": "etc/foo.conf",
"owner": "root",
"group": "root",
"mode": "0644",
"reason": "modified_conffile",
}
],
}
],
"packages": [],
"users": {
"role_name": "users",
"users": [{"name": "alice", "shell": "/bin/sh"}],
},
"apt_config": {"role_name": "apt_config", "managed_files": []},
"etc_custom": {"role_name": "etc_custom", "managed_files": []},
"usr_local_custom": {"role_name": "usr_local_custom", "managed_files": []},
"extra_paths": {"role_name": "extra_paths", "managed_files": []},
},
}
(old / "artifacts" / "svc" / "etc").mkdir(parents=True, exist_ok=True)
(old / "artifacts" / "svc" / "etc" / "foo.conf").write_text("old", encoding="utf-8")
write_state(old, old_state)
# New bundle: pkg a@2.0, pkg c@1.0, service changed, user changed, file moved role+content.
new_state = {
"schema_version": 3,
"host": {"hostname": "h2"},
"inventory": {"packages": {"a": {"version": "2.0"}, "c": {"version": "1.0"}}},
"roles": {
"services": [
{
"unit": "svc.service",
"role_name": "svc",
"packages": ["a", "c"],
"active_state": "active",
"sub_state": "running",
"unit_file_state": "enabled",
"condition_result": None,
"managed_files": [],
}
],
"packages": [],
"users": {
"role_name": "users",
"users": [{"name": "alice", "shell": "/bin/bash"}, {"name": "bob"}],
},
"apt_config": {"role_name": "apt_config", "managed_files": []},
"etc_custom": {"role_name": "etc_custom", "managed_files": []},
"usr_local_custom": {"role_name": "usr_local_custom", "managed_files": []},
"extra_paths": {
"role_name": "extra_paths",
"managed_files": [
{
"path": "/etc/foo.conf",
"src_rel": "etc/foo.conf",
"owner": "root",
"group": "root",
"mode": "0600",
"reason": "user_include",
},
{
"path": "/etc/added.conf",
"src_rel": "etc/added.conf",
"owner": "root",
"group": "root",
"mode": "0644",
"reason": "user_include",
},
],
},
},
}
(new / "artifacts" / "extra_paths" / "etc").mkdir(parents=True, exist_ok=True)
(new / "artifacts" / "extra_paths" / "etc" / "foo.conf").write_text(
"new", encoding="utf-8"
)
(new / "artifacts" / "extra_paths" / "etc" / "added.conf").write_text(
"x", encoding="utf-8"
)
write_state(new, new_state)
report, changed = compare_harvests(str(old), str(new))
assert changed is True
txt = format_report(report, fmt="text")
assert "Packages" in txt
md = format_report(report, fmt="markdown")
assert "# enroll diff report" in md
js = format_report(report, fmt="json")
parsed = json.loads(js)
assert parsed["packages"]["added"] == ["c"]