Files
pre-commit/tests/conftest.py
2014-06-15 18:49:45 -07:00

117 lines
3.2 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
import io
import mock
import os
import os.path
import pytest
from plumbum import local
import pre_commit.constants as C
from pre_commit import five
from pre_commit.prefixed_command_runner import PrefixedCommandRunner
from pre_commit.runner import Runner
from pre_commit.store import Store
from testing.fixtures import make_consuming_repo
git = local['git']
@pytest.yield_fixture
def tmpdir_factory(tmpdir):
class TmpdirFactory(object):
def __init__(self):
self.tmpdir_count = 0
def get(self):
path = os.path.join(tmpdir.strpath, five.text(self.tmpdir_count))
self.tmpdir_count += 1
os.mkdir(path)
return path
yield TmpdirFactory()
@pytest.yield_fixture
def in_tmpdir(tmpdir_factory):
path = tmpdir_factory.get()
with local.cwd(path):
yield path
@pytest.yield_fixture
def in_merge_conflict(tmpdir_factory):
path = make_consuming_repo(tmpdir_factory, 'script_hooks_repo')
with local.cwd(path):
local['touch']('dummy')
git('add', 'dummy')
git('add', C.CONFIG_FILE)
git('commit', '-m', 'Add config.')
conflict_path = tmpdir_factory.get()
git('clone', path, conflict_path)
with local.cwd(conflict_path):
git('checkout', 'origin/master', '-b', 'foo')
with io.open('conflict_file', 'w') as conflict_file:
conflict_file.write('herp\nderp\n')
git('add', 'conflict_file')
with io.open('foo_only_file', 'w') as foo_only_file:
foo_only_file.write('foo')
git('add', 'foo_only_file')
git('commit', '-m', 'conflict_file')
git('checkout', 'origin/master', '-b', 'bar')
with io.open('conflict_file', 'w') as conflict_file:
conflict_file.write('harp\nddrp\n')
git('add', 'conflict_file')
with io.open('bar_only_file', 'w') as bar_only_file:
bar_only_file.write('bar')
git('add', 'bar_only_file')
git('commit', '-m', 'conflict_file')
git('merge', 'foo', retcode=None)
yield os.path.join(conflict_path)
@pytest.yield_fixture(scope='session', autouse=True)
def dont_write_to_home_directory():
"""pre_commit.store.Store will by default write to the home directory
We'll mock out `Store.get_default_directory` to raise invariantly so we
don't construct a `Store` object that writes to our home directory.
"""
class YouForgotToExplicitlyChooseAStoreDirectory(AssertionError):
pass
with mock.patch.object(
Store,
'get_default_directory',
side_effect=YouForgotToExplicitlyChooseAStoreDirectory,
):
yield
@pytest.yield_fixture
def mock_out_store_directory(tmpdir_factory):
tmpdir = tmpdir_factory.get()
with mock.patch.object(
Store,
'get_default_directory',
return_value=tmpdir,
):
yield tmpdir
@pytest.yield_fixture
def store(tmpdir_factory):
yield Store(os.path.join(tmpdir_factory.get(), '.pre-commit'))
@pytest.yield_fixture
def cmd_runner(tmpdir_factory):
yield PrefixedCommandRunner(tmpdir_factory.get())
@pytest.yield_fixture
def runner_with_mocked_store(mock_out_store_directory):
yield Runner('/')