Files
pre-commit/tests/commands_test.py
2014-06-11 17:41:45 -07:00

393 lines
12 KiB
Python

import mock
import os
import os.path
import pkg_resources
import pytest
import shutil
import stat
from asottile.ordereddict import OrderedDict
from asottile.yaml import ordered_dump
from plumbum import local
import pre_commit.constants as C
from pre_commit import commands
from pre_commit.clientlib.validate_config import CONFIG_JSON_SCHEMA
from pre_commit.clientlib.validate_config import validate_config_extra
from pre_commit.jsonschema_extensions import apply_defaults
from pre_commit.jsonschema_extensions import remove_defaults
from pre_commit.runner import Runner
from testing.auto_namedtuple import auto_namedtuple
from testing.util import get_head_sha
from testing.util import get_resource_path
@pytest.yield_fixture
def runner_with_mocked_store(mock_out_store_directory):
yield Runner('/')
def test_install_pre_commit(empty_git_dir):
runner = Runner(empty_git_dir)
ret = commands.install(runner)
assert ret == 0
assert os.path.exists(runner.pre_commit_path)
pre_commit_contents = open(runner.pre_commit_path).read()
pre_commit_sh = pkg_resources.resource_filename(
'pre_commit', 'resources/pre-commit.sh',
)
expected_contents = open(pre_commit_sh).read()
assert pre_commit_contents == expected_contents
stat_result = os.stat(runner.pre_commit_path)
assert stat_result.st_mode & (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
def test_uninstall_pre_commit_does_not_blow_up_when_not_there(empty_git_dir):
runner = Runner(empty_git_dir)
ret = commands.uninstall(runner)
assert ret == 0
def test_uninstall(empty_git_dir):
runner = Runner(empty_git_dir)
assert not os.path.exists(runner.pre_commit_path)
commands.install(runner)
assert os.path.exists(runner.pre_commit_path)
commands.uninstall(runner)
assert not os.path.exists(runner.pre_commit_path)
@pytest.yield_fixture
def up_to_date_repo(python_hooks_repo):
config = OrderedDict((
('repo', python_hooks_repo),
('sha', get_head_sha(python_hooks_repo)),
('hooks', [OrderedDict((('id', 'foo'),))]),
))
wrapped_config = apply_defaults([config], CONFIG_JSON_SCHEMA)
validate_config_extra(wrapped_config)
config = wrapped_config[0]
with open(os.path.join(python_hooks_repo, C.CONFIG_FILE), 'w') as file_obj:
file_obj.write(
ordered_dump(
remove_defaults([config], CONFIG_JSON_SCHEMA),
**C.YAML_DUMP_KWARGS
)
)
yield auto_namedtuple(
repo_config=config,
python_hooks_repo=python_hooks_repo,
)
def test_up_to_date_repo(up_to_date_repo, runner_with_mocked_store):
input_sha = up_to_date_repo.repo_config['sha']
ret = commands._update_repository(
up_to_date_repo.repo_config, runner_with_mocked_store,
)
assert ret['sha'] == input_sha
def test_autoupdate_up_to_date_repo(up_to_date_repo, mock_out_store_directory):
before = open(C.CONFIG_FILE).read()
assert '^$' not in before
runner = Runner(up_to_date_repo.python_hooks_repo)
ret = commands.autoupdate(runner)
after = open(C.CONFIG_FILE).read()
assert ret == 0
assert before == after
@pytest.yield_fixture
def out_of_date_repo(python_hooks_repo):
config = OrderedDict((
('repo', python_hooks_repo),
('sha', get_head_sha(python_hooks_repo)),
('hooks', [OrderedDict((('id', 'foo'), ('files', '')))]),
))
config_wrapped = apply_defaults([config], CONFIG_JSON_SCHEMA)
validate_config_extra(config_wrapped)
config = config_wrapped[0]
local['git']['commit', '--allow-empty', '-m', 'foo']()
head_sha = get_head_sha(python_hooks_repo)
with open(os.path.join(python_hooks_repo, C.CONFIG_FILE), 'w') as file_obj:
file_obj.write(
ordered_dump([config], **C.YAML_DUMP_KWARGS)
)
yield auto_namedtuple(
repo_config=config,
head_sha=head_sha,
python_hooks_repo=python_hooks_repo,
)
def test_out_of_date_repo(out_of_date_repo, runner_with_mocked_store):
ret = commands._update_repository(
out_of_date_repo.repo_config, runner_with_mocked_store,
)
assert ret['sha'] == out_of_date_repo.head_sha
def test_autoupdate_out_of_date_repo(
out_of_date_repo, mock_out_store_directory
):
before = open(C.CONFIG_FILE).read()
runner = Runner(out_of_date_repo.python_hooks_repo)
ret = commands.autoupdate(runner)
after = open(C.CONFIG_FILE).read()
assert ret == 0
assert before != after
# Make sure we don't add defaults
assert 'exclude' not in after
assert out_of_date_repo.head_sha in after
@pytest.yield_fixture
def hook_disappearing_repo(python_hooks_repo):
config = OrderedDict((
('repo', python_hooks_repo),
('sha', get_head_sha(python_hooks_repo)),
('hooks', [OrderedDict((('id', 'foo'),))]),
))
config_wrapped = apply_defaults([config], CONFIG_JSON_SCHEMA)
validate_config_extra(config_wrapped)
config = config_wrapped[0]
shutil.copy(
get_resource_path('manifest_without_foo.yaml'),
C.MANIFEST_FILE,
)
local['git']['add', '.']()
local['git']['commit', '-m', 'Remove foo']()
with open(os.path.join(python_hooks_repo, C.CONFIG_FILE), 'w') as file_obj:
file_obj.write(
ordered_dump([config], **C.YAML_DUMP_KWARGS)
)
yield auto_namedtuple(
repo_config=config,
python_hooks_repo=python_hooks_repo,
)
def test_hook_disppearing_repo_raises(
hook_disappearing_repo, runner_with_mocked_store
):
with pytest.raises(commands.RepositoryCannotBeUpdatedError):
commands._update_repository(
hook_disappearing_repo.repo_config, runner_with_mocked_store,
)
def test_autoupdate_hook_disappearing_repo(
hook_disappearing_repo, mock_out_store_directory
):
before = open(C.CONFIG_FILE).read()
runner = Runner(hook_disappearing_repo.python_hooks_repo)
ret = commands.autoupdate(runner)
after = open(C.CONFIG_FILE).read()
assert ret == 1
assert before == after
def test_clean(runner_with_mocked_store):
assert os.path.exists(runner_with_mocked_store.store.directory)
commands.clean(runner_with_mocked_store)
assert not os.path.exists(runner_with_mocked_store.store.directory)
def test_clean_empty(runner_with_mocked_store):
"""Make sure clean succeeds when we the directory doesn't exist."""
shutil.rmtree(runner_with_mocked_store.store.directory)
assert not os.path.exists(runner_with_mocked_store.store.directory)
commands.clean(runner_with_mocked_store)
assert not os.path.exists(runner_with_mocked_store.store.directory)
def stage_a_file():
local['touch']['foo.py']()
local['git']['add', 'foo.py']()
def get_write_mock_output(write_mock):
return ''.join(call[0][0] for call in write_mock.call_args_list)
def _get_opts(
all_files=False,
color=False,
verbose=False,
hook=None,
no_stash=False,
):
return auto_namedtuple(
all_files=all_files,
color=color,
verbose=verbose,
hook=hook,
no_stash=no_stash,
)
def _do_run(repo, args, environ={}):
runner = Runner(repo)
write_mock = mock.Mock()
ret = commands.run(runner, args, write=write_mock, environ=environ)
printed = get_write_mock_output(write_mock)
return ret, printed
def _test_run(repo, options, expected_outputs, expected_ret, stage):
if stage:
stage_a_file()
args = _get_opts(**options)
ret, printed = _do_run(repo, args)
assert ret == expected_ret
for expected_output_part in expected_outputs:
assert expected_output_part in printed
def test_run_all_hooks_failing(
repo_with_failing_hook, mock_out_store_directory
):
_test_run(
repo_with_failing_hook,
{},
('Failing hook', 'Failed', 'Fail\nfoo.py\n'),
1,
True,
)
@pytest.mark.parametrize(
('options', 'outputs', 'expected_ret', 'stage'),
(
({}, ('Bash hook', 'Passed'), 0, True),
({'verbose': True}, ('foo.py\nHello World',), 0, True),
({'hook': 'bash_hook'}, ('Bash hook', 'Passed'), 0, True),
({'hook': 'nope'}, ('No hook with id `nope`',), 1, True),
# All the files in the repo.
# This seems kind of weird but it is beacuse py.test reuses fixtures
(
{'all_files': True, 'verbose': True},
('hooks.yaml', 'bin/hook.sh', 'foo.py', 'dummy'),
0,
True,
),
({}, ('Bash hook', '(no files to check)', 'Skipped'), 0, False),
)
)
def test_run(
repo_with_passing_hook,
options,
outputs,
expected_ret,
stage,
mock_out_store_directory,
):
_test_run(repo_with_passing_hook, options, outputs, expected_ret, stage)
@pytest.mark.parametrize(
('no_stash', 'all_files', 'expect_stash'),
(
(True, True, False),
(True, False, False),
(False, True, False),
(False, False, True),
),
)
def test_no_stash(
repo_with_passing_hook,
no_stash,
all_files,
expect_stash,
mock_out_store_directory,
):
stage_a_file()
# Make unstaged changes
with open('foo.py', 'w') as foo_file:
foo_file.write('import os\n')
args = _get_opts(no_stash=no_stash, all_files=all_files)
ret, printed = _do_run(repo_with_passing_hook, args)
assert ret == 0
warning_msg = '[WARNING] Unstaged files detected.'
if expect_stash:
assert warning_msg in printed
else:
assert warning_msg not in printed
@pytest.mark.parametrize(('output', 'expected'), (('some', True), ('', False)))
def test_has_unmerged_paths(output, expected):
mock_runner = mock.Mock()
mock_runner.cmd_runner.run.return_value = (1, output, '')
assert commands._has_unmerged_paths(mock_runner) is expected
def test_merge_conflict(in_merge_conflict, mock_out_store_directory):
ret, printed = _do_run(in_merge_conflict, _get_opts())
assert ret == 1
assert 'Unmerged files. Resolve before committing.' in printed
def test_merge_conflict_modified(in_merge_conflict, mock_out_store_directory):
# Touch another file so we have unstaged non-conflicting things
assert os.path.exists('dummy')
with open('dummy', 'w') as dummy_file:
dummy_file.write('bar\nbaz\n')
ret, printed = _do_run(in_merge_conflict, _get_opts())
assert ret == 1
assert 'Unmerged files. Resolve before committing.' in printed
def test_merge_conflict_resolved(in_merge_conflict, mock_out_store_directory):
local['git']['add', '.']()
ret, printed = _do_run(in_merge_conflict, _get_opts())
for msg in ('Checking merge-conflict files only.', 'Bash hook', 'Passed'):
assert msg in printed
@pytest.mark.parametrize(
('environ', 'expected_output'),
(
({}, set([])),
({'SKIP': ''}, set([])),
({'SKIP': ','}, set([])),
({'SKIP': ',foo'}, set(['foo'])),
({'SKIP': 'foo'}, set(['foo'])),
({'SKIP': 'foo,bar'}, set(['foo', 'bar'])),
({'SKIP': ' foo , bar'}, set(['foo', 'bar'])),
),
)
def test_get_skips(environ, expected_output):
ret = commands._get_skips(environ)
assert ret == expected_output
def test_skip_hook(repo_with_passing_hook, mock_out_store_directory):
ret, printed = _do_run(
repo_with_passing_hook, _get_opts(), {'SKIP': 'bash_hook'},
)
for msg in ('Bash hook', 'Skipped'):
assert msg in printed
def test_hook_id_not_in_non_verbose_output(
repo_with_passing_hook, mock_out_store_directory
):
ret, printed = _do_run(repo_with_passing_hook, _get_opts(verbose=False))
assert '[bash_hook]' not in printed
def test_hook_id_in_verbose_output(
repo_with_passing_hook, mock_out_store_directory
):
ret, printed = _do_run(repo_with_passing_hook, _get_opts(verbose=True))
assert '[bash_hook] Bash hook' in printed