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mirror of https://github.com/TheLocehiliosan/yadm synced 2024-10-27 20:34:27 +00:00
TheLocehiliosan_yadm/test/test_alt.py
2019-10-11 07:20:03 -05:00

223 lines
7.6 KiB
Python

"""Test alt"""
import os
import string
import py
import pytest
import utils
TEST_PATHS = [utils.ALT_FILE1, utils.ALT_FILE2, utils.ALT_DIR]
@pytest.mark.usefixtures('ds1_copy')
@pytest.mark.parametrize(
'tracked,encrypt,exclude', [
(False, False, False),
(True, False, False),
(False, True, False),
(False, True, True),
], ids=['untracked', 'tracked', 'encrypted', 'excluded'])
def test_alt_source(
runner, yadm_y, paths,
tracked, encrypt, exclude):
"""Test yadm alt operates on all expected sources of alternates"""
utils.create_alt_files(
paths, '##default', tracked=tracked, encrypt=encrypt, exclude=exclude)
run = runner(yadm_y('alt'))
assert run.success
assert run.err == ''
linked = utils.parse_alt_output(run.out)
for link_path in TEST_PATHS:
source_file = link_path + '##default'
if tracked or (encrypt and not exclude):
assert paths.work.join(link_path).islink()
target = py.path.local(paths.work.join(link_path).readlink())
if target.isfile():
assert paths.work.join(link_path).read() == source_file
assert str(paths.work.join(source_file)) in linked
else:
assert paths.work.join(link_path).join(
utils.CONTAINED).read() == source_file
assert str(paths.work.join(source_file)) in linked
else:
assert not paths.work.join(link_path).exists()
assert str(paths.work.join(source_file)) not in linked
@pytest.mark.usefixtures('ds1_copy')
@pytest.mark.parametrize('suffix', [
'##default',
'##o.$tst_sys', '##os.$tst_sys',
'##d.$tst_distro', '##distro.$tst_distro',
'##c.$tst_class', '##class.$tst_class',
'##h.$tst_host', '##hostname.$tst_host',
'##u.$tst_user', '##user.$tst_user',
])
def test_alt_conditions(
runner, yadm_y, paths,
tst_sys, tst_distro, tst_host, tst_user, suffix):
"""Test conditions supported by yadm alt"""
# set the class
tst_class = 'testclass'
utils.set_local(paths, 'class', tst_class)
suffix = string.Template(suffix).substitute(
tst_sys=tst_sys,
tst_distro=tst_distro,
tst_class=tst_class,
tst_host=tst_host,
tst_user=tst_user,
)
utils.create_alt_files(paths, suffix)
run = runner(yadm_y('alt'))
assert run.success
assert run.err == ''
linked = utils.parse_alt_output(run.out)
for link_path in TEST_PATHS:
source_file = link_path + suffix
assert paths.work.join(link_path).islink()
target = py.path.local(paths.work.join(link_path).readlink())
if target.isfile():
assert paths.work.join(link_path).read() == source_file
assert str(paths.work.join(source_file)) in linked
else:
assert paths.work.join(link_path).join(
utils.CONTAINED).read() == source_file
assert str(paths.work.join(source_file)) in linked
@pytest.mark.usefixtures('ds1_copy')
@pytest.mark.parametrize('kind', ['builtin', '', 'envtpl', 'j2cli', 'j2'])
@pytest.mark.parametrize('label', ['t', 'template', 'yadm', ])
def test_alt_templates(
runner, yadm_y, paths, kind, label):
"""Test templates supported by yadm alt"""
suffix = f'##{label}.{kind}'
utils.create_alt_files(paths, suffix)
run = runner(yadm_y('alt'))
assert run.success
assert run.err == ''
created = utils.parse_alt_output(run.out, linked=False)
for created_path in TEST_PATHS:
if created_path != utils.ALT_DIR:
source_file = created_path + suffix
assert paths.work.join(created_path).isfile()
assert paths.work.join(created_path).read().strip() == source_file
assert str(paths.work.join(source_file)) in created
@pytest.mark.usefixtures('ds1_copy')
@pytest.mark.parametrize('autoalt', [None, 'true', 'false'])
def test_auto_alt(runner, yadm_y, paths, autoalt):
"""Test auto alt"""
# set the value of auto-alt
if autoalt:
os.system(' '.join(yadm_y('config', 'yadm.auto-alt', autoalt)))
utils.create_alt_files(paths, '##default')
run = runner(yadm_y('status'))
assert run.success
assert run.err == ''
linked = utils.parse_alt_output(run.out)
for link_path in TEST_PATHS:
source_file = link_path + '##default'
if autoalt == 'false':
assert not paths.work.join(link_path).exists()
else:
assert paths.work.join(link_path).islink()
target = py.path.local(paths.work.join(link_path).readlink())
if target.isfile():
assert paths.work.join(link_path).read() == source_file
# no linking output when run via auto-alt
assert str(paths.work.join(source_file)) not in linked
else:
assert paths.work.join(link_path).join(
utils.CONTAINED).read() == source_file
# no linking output when run via auto-alt
assert str(paths.work.join(source_file)) not in linked
@pytest.mark.usefixtures('ds1_copy')
def test_stale_link_removal(runner, yadm_y, paths):
"""Stale links to alternative files are removed
This test ensures that when an already linked alternative becomes invalid
due to a change in class, the alternate link is removed.
"""
# set the class
tst_class = 'testclass'
utils.set_local(paths, 'class', tst_class)
# create files which match the test class
utils.create_alt_files(paths, f'##class.{tst_class}')
# run alt to trigger linking
run = runner(yadm_y('alt'))
assert run.success
assert run.err == ''
linked = utils.parse_alt_output(run.out)
# assert the proper linking has occurred
for stale_path in TEST_PATHS:
source_file = stale_path + '##class.' + tst_class
assert paths.work.join(stale_path).islink()
target = py.path.local(paths.work.join(stale_path).readlink())
if target.isfile():
assert paths.work.join(stale_path).read() == source_file
assert str(paths.work.join(source_file)) in linked
else:
assert paths.work.join(stale_path).join(
utils.CONTAINED).read() == source_file
assert str(paths.work.join(source_file)) in linked
# change the class so there are no valid alternates
utils.set_local(paths, 'class', 'changedclass')
# run alt to trigger linking
run = runner(yadm_y('alt'))
assert run.success
assert run.err == ''
linked = utils.parse_alt_output(run.out)
# assert the linking is removed
for stale_path in TEST_PATHS:
source_file = stale_path + '##class.' + tst_class
assert not paths.work.join(stale_path).exists()
assert str(paths.work.join(source_file)) not in linked
@pytest.mark.usefixtures('ds1_repo_copy')
def test_template_overwrite_symlink(runner, yadm_y, paths, tst_sys):
"""Remove symlinks before processing a template
If a symlink is in the way of the output of a template, the target of the
symlink will get the template content. To prevent this, the symlink should
be removed just before processing a template.
"""
target = paths.work.join(f'test_link##os.{tst_sys}')
target.write('target')
link = paths.work.join('test_link')
link.mksymlinkto(target, absolute=1)
template = paths.work.join('test_link##template.builtin')
template.write('test-data')
run = runner(yadm_y('add', target, template))
assert run.success
assert run.err == ''
assert run.out == ''
assert not link.islink()
assert target.read().strip() == 'target'
assert link.read().strip() == 'test-data'