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yadm/test/conftest.py
2023-07-12 09:20:00 -05:00

597 lines
16 KiB
Python

"""Global tests configuration and fixtures"""
import collections
import contextlib
import copy
import os
import platform
import pwd
import shutil
from subprocess import PIPE, Popen
import py
import pytest
def pytest_addoption(parser):
"""Add options to pytest"""
parser.addoption(
"--force-linters",
action="store_true",
default=False,
help="Run linters regardless of installed versions",
)
@pytest.fixture(scope="session")
def shellcheck_version():
"""Version of shellcheck supported"""
return "0.9.0"
@pytest.fixture(scope="session")
def pylint_version():
"""Version of pylint supported"""
return "2.17.0"
@pytest.fixture(scope="session")
def isort_version():
"""Version of isort supported"""
return "5.12.0"
@pytest.fixture(scope="session")
def flake8_version():
"""Version of flake8 supported"""
return "6.0.0"
@pytest.fixture(scope="session")
def black_version():
"""Version of black supported"""
return "23.1.0"
@pytest.fixture(scope="session")
def yamllint_version():
"""Version of yamllint supported"""
return "1.30.0"
@pytest.fixture(scope="session")
def tst_user():
"""Test session's user id"""
return pwd.getpwuid(os.getuid()).pw_name
@pytest.fixture(scope="session")
def tst_host():
"""Test session's short hostname value"""
return platform.node().split(".")[0]
@pytest.fixture(scope="session")
def tst_distro(runner):
"""Test session's distro"""
distro = ""
with contextlib.suppress(Exception):
run = runner(command=["lsb_release", "-si"], report=False)
distro = run.out.strip()
return distro
@pytest.fixture(scope="session")
def tst_distro_family(runner):
"""Test session's distro_family"""
family = ""
with contextlib.suppress(Exception):
run = runner(command=["grep", "-oP", r"ID_LIKE=\K.+", "/etc/os-release"], report=False)
family = run.out.strip()
return family
@pytest.fixture(scope="session")
def tst_sys():
"""Test session's uname value"""
return platform.system()
@pytest.fixture(scope="session")
def tst_arch():
"""Test session's uname value"""
return platform.machine()
@pytest.fixture(scope="session")
def supported_commands():
"""List of supported commands
This list should be updated every time yadm learns a new command.
"""
return [
"alt",
"bootstrap",
"clean",
"clone",
"config",
"decrypt",
"encrypt",
"enter",
"git-crypt",
"gitconfig",
"help",
"init",
"introspect",
"list",
"perms",
"transcrypt",
"upgrade",
"version",
]
@pytest.fixture(scope="session")
def supported_configs():
"""List of supported config options
This list should be updated every time yadm learns a new config.
"""
return [
"local.arch",
"local.class",
"local.hostname",
"local.os",
"local.user",
"yadm.alt-copy",
"yadm.auto-alt",
"yadm.auto-exclude",
"yadm.auto-perms",
"yadm.auto-private-dirs",
"yadm.cipher",
"yadm.git-program",
"yadm.gpg-perms",
"yadm.gpg-program",
"yadm.gpg-recipient",
"yadm.openssl-ciphername",
"yadm.openssl-old",
"yadm.openssl-program",
"yadm.ssh-perms",
]
@pytest.fixture(scope="session")
def supported_switches():
"""List of supported switches
This list should be updated every time yadm learns a new switch.
"""
return [
"--yadm-archive",
"--yadm-bootstrap",
"--yadm-config",
"--yadm-data",
"--yadm-dir",
"--yadm-encrypt",
"--yadm-repo",
"-Y",
]
@pytest.fixture(scope="session")
def supported_local_configs(supported_configs):
"""List of supported local config options"""
return [c for c in supported_configs if c.startswith("local.")]
class Runner:
"""Class for running commands
Within yadm tests, this object should be used when running commands that
require:
* Acting on the status code
* Parsing the output of the command
* Passing input to the command
Other instances of simply running commands should use os.system().
"""
def __init__(self, command, inp=None, shell=False, cwd=None, env=None, expect=None, report=True):
if shell:
self.command = " ".join([str(cmd) for cmd in command])
else:
self.command = command
if env is None:
env = {}
merged_env = os.environ.copy()
merged_env.update(env)
self.inp = inp
self.wrap(expect)
with Popen(
self.command,
stdin=PIPE,
stdout=PIPE,
stderr=PIPE,
shell=shell,
cwd=cwd,
env=merged_env,
) as process:
input_bytes = self.inp
if self.inp:
input_bytes = self.inp.encode()
(out_bstream, err_bstream) = process.communicate(input=input_bytes)
self.out = out_bstream.decode()
self.err = err_bstream.decode()
self.code = process.wait()
self.success = self.code == 0
self.failure = self.code != 0
if report:
self.report()
def __repr__(self):
return f"Runner({self.command})"
def report(self):
"""Print code/stdout/stderr"""
print(f"{self}")
print(f" RUN: code:{self.code}")
if self.inp:
print(f" RUN: input:\n{self.inp}")
print(f" RUN: stdout:\n{self.out}")
print(f" RUN: stderr:\n{self.err}")
def wrap(self, expect):
"""Wrap command with expect"""
if not expect:
return
cmdline = " ".join([f'"{w}"' for w in self.command])
expect_script = f"set timeout 2\nspawn {cmdline}\n"
for question, answer in expect:
expect_script += "expect {\n" f'"{question}" {{send "{answer}\\r"}}\n' "timeout {close;exit 128}\n" "}\n"
expect_script += "expect eof\n" "foreach {pid spawnid os_error_flag value} [wait] break\n" "exit $value"
self.inp = expect_script
print(f"EXPECT:{expect_script}")
self.command = ["expect"]
@pytest.fixture(scope="session")
def runner():
"""Class for running commands"""
return Runner
@pytest.fixture(scope="session")
def config_git():
"""Configure global git configuration, if missing"""
os.system("git config init.defaultBranch || git config --global init.defaultBranch master")
os.system('git config user.name || git config --global user.name "test"')
os.system('git config user.email || git config --global user.email "test@test.test"')
@pytest.fixture()
def repo_config(runner, paths):
"""Function to query a yadm repo configuration value"""
def query_func(key):
"""Query a yadm repo configuration value"""
run = runner(
command=("git", "config", "--local", key),
env={"GIT_DIR": paths.repo},
report=False,
)
return run.out.rstrip()
return query_func
@pytest.fixture(scope="session")
def yadm():
"""Path to yadm program to be tested"""
full_path = os.path.realpath("yadm")
assert os.path.isfile(full_path), "yadm program file isn't present"
return full_path
@pytest.fixture()
def paths(tmpdir, yadm):
"""Function scoped test paths"""
dir_root = tmpdir.mkdir("root")
dir_remote = dir_root.mkdir("remote")
dir_work = dir_root.mkdir("work")
dir_xdg_data = dir_root.mkdir("xdg_data")
dir_xdg_home = dir_root.mkdir("xdg_home")
dir_data = dir_xdg_data.mkdir("yadm")
dir_yadm = dir_xdg_home.mkdir("yadm")
dir_hooks = dir_yadm.mkdir("hooks")
dir_repo = dir_data.mkdir("repo.git")
file_archive = dir_data.join("archive")
file_bootstrap = dir_yadm.join("bootstrap")
file_config = dir_yadm.join("config")
file_encrypt = dir_yadm.join("encrypt")
paths = collections.namedtuple(
"Paths",
[
"pgm",
"root",
"remote",
"work",
"xdg_data",
"xdg_home",
"data",
"yadm",
"hooks",
"repo",
"archive",
"bootstrap",
"config",
"encrypt",
],
)
os.environ["XDG_CONFIG_HOME"] = str(dir_xdg_home)
os.environ["XDG_DATA_HOME"] = str(dir_xdg_data)
return paths(
yadm,
dir_root,
dir_remote,
dir_work,
dir_xdg_data,
dir_xdg_home,
dir_data,
dir_yadm,
dir_hooks,
dir_repo,
file_archive,
file_bootstrap,
file_config,
file_encrypt,
)
@pytest.fixture()
def yadm_cmd(paths):
"""Generate custom command_list function"""
def command_list(*args):
"""Produce params for running yadm with -Y"""
return [paths.pgm] + list(args)
return command_list
class NoRelativePath(Exception):
"""Exception when finding relative paths"""
class DataFile:
"""Datafile object"""
def __init__(self, path, tracked=True, private=False):
self.__path = path
self.__parent = None
self.__tracked = tracked
self.__private = private
@property
def path(self):
"""Path property"""
return self.__path
@property
def relative(self):
"""Relative path property"""
if self.__parent:
return self.__parent.join(self.path)
raise NoRelativePath("Unable to provide relative path, no parent")
@property
def tracked(self):
"""Tracked property"""
return self.__tracked
@property
def private(self):
"""Private property"""
return self.__private
def relative_to(self, parent):
"""Update all relative paths to this py.path"""
self.__parent = parent
class DataSet:
"""Dataset object"""
def __init__(self):
self.__files = []
self.__dirs = []
self.__tracked_dirs = []
self.__private_dirs = []
self.__relpath = None
def __repr__(self):
return f"[DS with {len(self)} files; " f"{len(self.tracked)} tracked, " f"{len(self.private)} private]"
def __iter__(self):
return iter(self.__files)
def __len__(self):
return len(self.__files)
def __contains__(self, datafile):
if [f for f in self.__files if f.path == datafile]:
return True
if datafile in self.__files:
return True
return False
@property
def files(self):
"""List of DataFiles in DataSet"""
return list(self.__files)
@property
def tracked(self):
"""List of tracked DataFiles in DataSet"""
return [f for f in self.__files if f.tracked]
@property
def private(self):
"""List of private DataFiles in DataSet"""
return [f for f in self.__files if f.private]
@property
def dirs(self):
"""List of directories in DataSet"""
return list(self.__dirs)
@property
def plain_dirs(self):
"""List of directories in DataSet not starting with '.'"""
return [d for d in self.dirs if not d.startswith(".")]
@property
def hidden_dirs(self):
"""List of directories in DataSet starting with '.'"""
return [d for d in self.dirs if d.startswith(".")]
@property
def tracked_dirs(self):
"""List of directories in DataSet not starting with '.'"""
return [d for d in self.__tracked_dirs if not d.startswith(".")]
@property
def private_dirs(self):
"""List of directories in DataSet considered 'private'"""
return list(self.__private_dirs)
def add_file(self, path, tracked=True, private=False):
"""Add file to data set"""
if path not in self:
datafile = DataFile(path, tracked, private)
if self.__relpath:
datafile.relative_to(self.__relpath)
self.__files.append(datafile)
dname = os.path.dirname(path)
if dname and dname not in self.__dirs:
self.__dirs.append(dname)
if tracked:
self.__tracked_dirs.append(dname)
if private:
self.__private_dirs.append(dname)
def relative_to(self, relpath):
"""Update all relative paths to this py.path"""
self.__relpath = relpath
for datafile in self.files:
datafile.relative_to(self.__relpath)
@pytest.fixture(scope="session")
def ds1_dset(tst_sys):
"""Meta-data for dataset one files"""
dset = DataSet()
dset.add_file("t1")
dset.add_file("d1/t2")
dset.add_file(f"test_alt_copy##os.{tst_sys}")
dset.add_file("u1", tracked=False)
dset.add_file("d2/u2", tracked=False)
dset.add_file(".ssh/p1", tracked=False, private=True)
dset.add_file(".ssh/.p2", tracked=False, private=True)
dset.add_file(".gnupg/p3", tracked=False, private=True)
dset.add_file(".gnupg/.p4", tracked=False, private=True)
return dset
@pytest.fixture(scope="session")
def ds1_data(tmpdir_factory, config_git, ds1_dset, runner):
"""A set of test data, worktree & repo"""
# pylint: disable=unused-argument
# This is ignored because
# @pytest.mark.usefixtures('config_git')
# cannot be applied to another fixture.
data = tmpdir_factory.mktemp("ds1")
work = data.mkdir("work")
for datafile in ds1_dset:
work.join(datafile.path).write(datafile.path, ensure=True)
repo = data.mkdir("repo.git")
env = os.environ.copy()
env["GIT_DIR"] = str(repo)
runner(command=["git", "init", "--shared=0600", "--bare", str(repo)], report=False)
runner(command=["git", "config", "core.bare", "false"], env=env, report=False)
runner(command=["git", "config", "status.showUntrackedFiles", "no"], env=env, report=False)
runner(command=["git", "config", "yadm.managed", "true"], env=env, report=False)
runner(command=["git", "config", "core.worktree", str(work)], env=env, report=False)
runner(command=["git", "add"] + [str(work.join(f.path)) for f in ds1_dset if f.tracked], env=env)
runner(command=["git", "commit", "--allow-empty", "-m", "Initial commit"], env=env, report=False)
data = collections.namedtuple("Data", ["work", "repo"])
return data(work, repo)
@pytest.fixture()
def ds1_work_copy(ds1_data, paths):
"""Function scoped copy of ds1_data.work"""
shutil.copytree(str(ds1_data.work), str(paths.work), dirs_exist_ok=True)
@pytest.fixture()
def ds1_repo_copy(runner, ds1_data, paths):
"""Function scoped copy of ds1_data.repo"""
shutil.copytree(str(ds1_data.repo), str(paths.repo), dirs_exist_ok=True)
env = os.environ.copy()
env["GIT_DIR"] = str(paths.repo)
runner(command=["git", "config", "core.worktree", str(paths.work)], env=env, report=False)
@pytest.fixture()
def ds1_copy(ds1_work_copy, ds1_repo_copy):
"""Function scoped copy of ds1_data"""
# pylint: disable=unused-argument
# This is ignored because
# @pytest.mark.usefixtures('ds1_work_copy', 'ds1_repo_copy')
# cannot be applied to another fixture.
return None
@pytest.fixture()
def ds1(ds1_work_copy, paths, ds1_dset):
"""Function scoped ds1_dset w/paths"""
# pylint: disable=unused-argument
# This is ignored because
# @pytest.mark.usefixtures('ds1_copy')
# cannot be applied to another fixture.
dscopy = copy.deepcopy(ds1_dset)
dscopy.relative_to(copy.deepcopy(paths.work))
return dscopy
@pytest.fixture(scope="session")
def gnupg(tmpdir_factory, runner):
"""Location of GNUPGHOME"""
def register_gpg_password(password):
"""Publish a new GPG mock password"""
py.path.local("/tmp/mock-password").write(password)
home = tmpdir_factory.mktemp("gnupghome")
home.chmod(0o700)
conf = home.join("gpg.conf")
conf.write("no-secmem-warning\n")
conf.chmod(0o600)
agentconf = home.join("gpg-agent.conf")
agentconf.write(f'pinentry-program {os.path.abspath("test/pinentry-mock")}\n' "max-cache-ttl 0\n")
agentconf.chmod(0o600)
data = collections.namedtuple("GNUPG", ["home", "pw"])
env = os.environ.copy()
env["GNUPGHOME"] = home
# this pre-populates std files in the GNUPGHOME
runner(["gpg", "-k"], env=env)
return data(home, register_gpg_password)