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yadm/test/test_hooks.py
Tim Byrne e7f9616b39
Rewrite testing system (#119)
The new test system is written with py.test. These tests are more
comprehensive, run faster by an order of magnitude, and are far more
maintainable. The tests themselves conform to PEP8.
2019-02-20 07:48:25 -06:00

91 lines
2.4 KiB
Python

"""Test hooks"""
import pytest
@pytest.mark.parametrize(
'pre, pre_code, post, post_code', [
(False, 0, False, 0),
(True, 0, False, 0),
(True, 5, False, 0),
(False, 0, True, 0),
(False, 0, True, 5),
(True, 0, True, 0),
(True, 5, True, 5),
], ids=[
'no-hooks',
'pre-success',
'pre-fail',
'post-success',
'post-fail',
'pre-post-success',
'pre-post-fail',
])
def test_hooks(
runner, yadm_y, paths,
pre, pre_code, post, post_code):
"""Test pre/post hook"""
# generate hooks
if pre:
create_hook(paths, 'pre_version', pre_code)
if post:
create_hook(paths, 'post_version', post_code)
# run yadm
run = runner(yadm_y('version'))
# when a pre hook fails, yadm should exit with the hook's code
assert run.code == pre_code
assert run.err == ''
if pre:
assert 'HOOK:pre_version' in run.out
# if pre hook is missing or successful, yadm itself should exit 0
if run.success:
if post:
assert 'HOOK:post_version' in run.out
else:
# when a pre hook fails, yadm should not run the command
assert 'version will not be run' in run.out
# when a pre hook fails, yadm should not run the post hook
assert 'HOOK:post_version' not in run.out
# repo fixture is needed to test the population of YADM_HOOK_WORK
@pytest.mark.usefixtures('ds1_repo_copy')
def test_hook_env(runner, yadm_y, paths):
"""Test hook environment"""
# test will be done with a non existent "git" passthru command
# which should exit with a failing code
cmd = 'passthrucmd'
# write the hook
hook = paths.hooks.join(f'post_{cmd}')
hook.write('#!/bin/sh\nenv\n')
hook.chmod(0o755)
run = runner(yadm_y(cmd, 'extra_args'))
# expect passthru to fail
assert run.failure
assert f"'{cmd}' is not a git command" in run.err
# verify hook environment
assert 'YADM_HOOK_EXIT=1\n' in run.out
assert f'YADM_HOOK_COMMAND={cmd}\n' in run.out
assert f'YADM_HOOK_FULL_COMMAND={cmd} extra_args\n' in run.out
assert f'YADM_HOOK_REPO={paths.repo}\n' in run.out
assert f'YADM_HOOK_WORK={paths.work}\n' in run.out
def create_hook(paths, name, code):
"""Create hook"""
hook = paths.hooks.join(name)
hook.write(
'#!/bin/sh\n'
f'echo HOOK:{name}\n'
f'exit {code}\n'
)
hook.chmod(0o755)