/usr/lib/python2.7/dist-packages/jupyter_core/tests/test_migrate.py is in python-jupyter-core 4.4.0-2.
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# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
"""Test config file migration"""
import os
import re
import shutil
from subprocess import check_call
from tempfile import mkdtemp
try:
from unittest.mock import patch
except ImportError:
from mock import patch
import pytest
from jupyter_core.utils import ensure_dir_exists
from jupyter_core.paths import jupyter_data_dir
from jupyter_core.migrate import (
migrate, migrate_one, migrate_config,
migrate_dir, migrate_file, migrate_static_custom,
)
from jupyter_core import migrate as migrate_mod
pjoin = os.path.join
here = os.path.dirname(__file__)
dotipython = pjoin(here, 'dotipython')
dotipython_empty = pjoin(here, 'dotipython_empty')
@pytest.fixture
def td(request):
"""Fixture for a temporary directory"""
td = mkdtemp(u'μnïcø∂e')
request.addfinalizer(lambda : shutil.rmtree(td))
return td
@pytest.fixture
def env(request):
"""Fixture for a full testing environment"""
td = mkdtemp()
env = {
'TESTDIR': td,
'IPYTHONDIR': pjoin(td, 'ipython'),
'JUPYTER_CONFIG_DIR': pjoin(td, 'jupyter'),
'JUPYTER_DATA_DIR': pjoin(td, 'jupyter_data'),
'JUPYTER_RUNTIME_DIR': pjoin(td, 'jupyter_runtime'),
'JUPYTER_PATH': '',
}
env_patch = patch.dict(os.environ, env)
env_patch.start()
def fin():
"""Cleanup test env"""
env_patch.stop()
shutil.rmtree(td)
request.addfinalizer(fin)
return env
def touch(path, content=''):
ensure_dir_exists(os.path.dirname(path))
with open(path, 'w') as f:
f.write(content)
def assert_files_equal(a, b):
"""Verify that two files match"""
assert os.path.exists(b)
with open(a) as f:
a_txt = f.read()
with open(b) as f:
b_txt = f.read()
assert a_txt == b_txt
def test_migrate_file(td):
src = pjoin(td, 'src')
dst = pjoin(td, 'dst')
touch(src, 'test file')
assert migrate_file(src, dst)
assert_files_equal(src, dst)
src2 = pjoin(td, 'src2')
touch(src2, 'different src')
assert not migrate_file(src2, dst)
assert_files_equal(src, dst)
def test_migrate_dir(td):
src = pjoin(td, 'src')
dst = pjoin(td, 'dst')
os.mkdir(src)
assert not migrate_dir(src, dst)
assert not os.path.exists(dst)
touch(pjoin(src, 'f'), 'test file')
assert migrate_dir(src, dst)
assert_files_equal(pjoin(src, 'f'), pjoin(dst, 'f'))
touch(pjoin(src, 'g'), 'other test file')
assert not migrate_dir(src, dst)
assert not os.path.exists(pjoin(dst, 'g'))
shutil.rmtree(dst)
os.mkdir(dst)
assert migrate_dir(src, dst)
assert_files_equal(pjoin(src, 'f'), pjoin(dst, 'f'))
assert_files_equal(pjoin(src, 'g'), pjoin(dst, 'g'))
def test_migrate_one(td):
src = pjoin(td, 'src')
srcdir = pjoin(td, 'srcdir')
dst = pjoin(td, 'dst')
dstdir = pjoin(td, 'dstdir')
touch(src, 'test file')
touch(pjoin(srcdir, 'f'), 'test dir file')
called = {}
def notice_m_file(src, dst):
called['migrate_file'] = True
return migrate_file(src, dst)
def notice_m_dir(src, dst):
called['migrate_dir'] = True
return migrate_dir(src, dst)
with patch.object(migrate_mod, 'migrate_file', notice_m_file), \
patch.object(migrate_mod, 'migrate_dir', notice_m_dir):
assert migrate_one(src, dst)
assert called == {'migrate_file': True}
called.clear()
assert migrate_one(srcdir, dstdir)
assert called == {'migrate_dir': True}
called.clear()
assert not migrate_one(pjoin(td, 'dne'), dst)
assert called == {}
def test_migrate_config(td):
profile = pjoin(td, 'profile')
jpy = pjoin(td, 'jupyter_config')
ensure_dir_exists(profile)
env = {
'profile': profile,
'jupyter_config': jpy,
}
cfg_py = pjoin(profile, 'ipython_test_config.py')
touch(cfg_py, 'c.Klass.trait = 5\n')
empty_cfg_py = pjoin(profile, 'ipython_empty_config.py')
touch(empty_cfg_py, '# c.Klass.trait = 5\n')
assert not migrate_config('empty', env)
assert not os.path.exists(jpy)
with patch.dict(migrate_mod.config_substitutions, {
re.compile(r'\bKlass\b'): 'Replaced',
}):
assert migrate_config('test', env)
assert os.path.isdir(jpy)
assert sorted(os.listdir(jpy)) == [
'jupyter_test_config.py',
]
with open(pjoin(jpy, 'jupyter_test_config.py')) as f:
text = f.read()
assert text == 'c.Replaced.trait = 5\n'
def test_migrate_custom_default(td):
profile = pjoin(dotipython, 'profile_default')
src = pjoin(profile, 'static', 'custom')
assert os.path.exists(src)
assert not migrate_static_custom(src, td)
src = pjoin(td, 'src')
dst = pjoin(td, 'dst')
os.mkdir(src)
src_custom_js = pjoin(src, 'custom.js')
src_custom_css = pjoin(src, 'custom.css')
touch(src_custom_js, 'var a=5;')
touch(src_custom_css, 'div { height: 5px; }')
assert migrate_static_custom(src, dst)
def test_migrate_nothing(env):
migrate()
assert os.listdir(env['JUPYTER_CONFIG_DIR']) == ['migrated']
assert not os.path.exists(env['JUPYTER_DATA_DIR'])
def test_migrate_default(env):
shutil.copytree(dotipython_empty, env['IPYTHONDIR'])
migrate()
assert os.listdir(env['JUPYTER_CONFIG_DIR']) == ['migrated']
assert not os.path.exists(env['JUPYTER_DATA_DIR'])
def test_migrate(env):
shutil.copytree(dotipython, env['IPYTHONDIR'])
migrate()
assert os.path.exists(env['JUPYTER_CONFIG_DIR'])
assert os.path.exists(env['JUPYTER_DATA_DIR'])
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