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yadm/test/conftest.py
Tim Byrne d3a2a06184
Support git-crypt (#168)
Support is inherently provided by `enter`, which now supports a command.
I've added a `git-crypt` command, which is really just an alias
under-the-hood for "enter git-crypt".
2019-12-16 17:11:06 -06:00

587 lines
15 KiB
Python

"""Global tests configuration and fixtures"""
import collections
import contextlib
import copy
import distutils.dir_util # pylint: disable=no-name-in-module,import-error
import os
import platform
import pwd
from subprocess import Popen, PIPE
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 '0.4.6'
@pytest.fixture(scope='session')
def pylint_version():
"""Version of pylint supported"""
return '2.4.1'
@pytest.fixture(scope='session')
def flake8_version():
"""Version of flake8 supported"""
return '3.7.8'
@pytest.fixture(scope='session')
def yamllint_version():
"""Version of yamllint supported"""
return '1.17.0'
@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_sys():
"""Test session's uname value"""
return platform.system()
@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',
'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.class',
'local.hostname',
'local.os',
'local.user',
'yadm.alt-copy',
'yadm.auto-alt',
'yadm.auto-exclude',
'yadm.auto-perms',
'yadm.auto-private-dirs',
'yadm.git-program',
'yadm.gpg-perms',
'yadm.gpg-program',
'yadm.gpg-recipient',
'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-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
self.inp = inp
self.wrap(expect)
process = Popen(
self.command,
stdin=PIPE,
stdout=PIPE,
stderr=PIPE,
shell=shell,
cwd=cwd,
env=env,
)
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 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_work = dir_root.mkdir('work')
dir_yadm = dir_root.mkdir('yadm')
dir_repo = dir_yadm.mkdir('repo.git')
dir_hooks = dir_yadm.mkdir('hooks')
dir_remote = dir_root.mkdir('remote')
file_archive = dir_yadm.join('files.gpg')
file_bootstrap = dir_yadm.join('bootstrap')
file_config = dir_yadm.join('config')
file_encrypt = dir_yadm.join('encrypt')
paths = collections.namedtuple(
'Paths', [
'pgm',
'root',
'work',
'yadm',
'repo',
'hooks',
'remote',
'archive',
'bootstrap',
'config',
'encrypt',
])
return paths(
yadm,
dir_root,
dir_work,
dir_yadm,
dir_repo,
dir_hooks,
dir_remote,
file_archive,
file_bootstrap,
file_config,
file_encrypt,
)
@pytest.fixture()
def yadm_y(paths):
"""Generate custom command_list function"""
def command_list(*args):
"""Produce params for running yadm with -Y"""
return [paths.pgm, '-Y', str(paths.yadm)] + list(args)
return command_list
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 BaseException('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 = list()
self.__dirs = list()
self.__tracked_dirs = list()
self.__private_dirs = list()
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"""
distutils.dir_util.copy_tree( # pylint: disable=no-member
str(ds1_data.work), str(paths.work))
@pytest.fixture()
def ds1_repo_copy(runner, ds1_data, paths):
"""Function scoped copy of ds1_data.repo"""
distutils.dir_util.copy_tree( # pylint: disable=no-member
str(ds1_data.repo), str(paths.repo))
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)