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test_paths.py
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import errno
import os
import shutil
import tempfile
import warnings
from unittest.mock import patch
from tempfile import TemporaryDirectory
from testpath import assert_isdir, assert_isfile, modified_env
from IPython import paths
from IPython.testing.decorators import skip_win32
TMP_TEST_DIR = os.path.realpath(tempfile.mkdtemp())
HOME_TEST_DIR = os.path.join(TMP_TEST_DIR, "home_test_dir")
XDG_TEST_DIR = os.path.join(HOME_TEST_DIR, "xdg_test_dir")
XDG_CACHE_DIR = os.path.join(HOME_TEST_DIR, "xdg_cache_dir")
IP_TEST_DIR = os.path.join(HOME_TEST_DIR, ".ipython")
def setup_module():
"""Setup testenvironment for the module:
- Adds dummy home dir tree
"""
# Do not mask exceptions here. In particular, catching WindowsError is a
# problem because that exception is only defined on Windows...
os.makedirs(IP_TEST_DIR)
os.makedirs(os.path.join(XDG_TEST_DIR, "ipython"))
os.makedirs(os.path.join(XDG_CACHE_DIR, "ipython"))
def teardown_module():
"""Teardown testenvironment for the module:
- Remove dummy home dir tree
"""
# Note: we remove the parent test dir, which is the root of all test
# subdirs we may have created. Use shutil instead of os.removedirs, so
# that non-empty directories are all recursively removed.
shutil.rmtree(TMP_TEST_DIR)
def patch_get_home_dir(dirpath):
return patch.object(paths, "get_home_dir", return_value=dirpath)
def test_get_ipython_dir_1():
"""test_get_ipython_dir_1, Testcase to see if we can call get_ipython_dir without Exceptions."""
env_ipdir = os.path.join("someplace", ".ipython")
with (
patch.object(paths, "_writable_dir", return_value=True),
modified_env({"IPYTHONDIR": env_ipdir}),
):
ipdir = paths.get_ipython_dir()
assert ipdir == env_ipdir
def test_get_ipython_dir_2():
"""test_get_ipython_dir_2, Testcase to see if we can call get_ipython_dir without Exceptions."""
with (
patch_get_home_dir("someplace"),
patch.object(paths, "get_xdg_dir", return_value=None),
patch.object(paths, "_writable_dir", return_value=True),
patch("os.name", "posix"),
modified_env(
{"IPYTHON_DIR": None, "IPYTHONDIR": None, "XDG_CONFIG_HOME": None}
),
):
ipdir = paths.get_ipython_dir()
assert ipdir == os.path.join("someplace", ".ipython")
def test_get_ipython_dir_3():
"""test_get_ipython_dir_3, use XDG if defined and exists, and .ipython doesn't exist."""
tmphome = TemporaryDirectory()
try:
with (
patch_get_home_dir(tmphome.name),
patch("os.name", "posix"),
modified_env(
{
"IPYTHON_DIR": None,
"IPYTHONDIR": None,
"XDG_CONFIG_HOME": XDG_TEST_DIR,
}
),
warnings.catch_warnings(record=True) as w,
):
ipdir = paths.get_ipython_dir()
assert ipdir == os.path.join(tmphome.name, XDG_TEST_DIR, "ipython")
assert len(w) == 0
finally:
tmphome.cleanup()
def test_get_ipython_dir_4():
"""test_get_ipython_dir_4, warn if XDG and home both exist."""
with patch_get_home_dir(HOME_TEST_DIR), patch("os.name", "posix"):
try:
os.mkdir(os.path.join(XDG_TEST_DIR, "ipython"))
except OSError as e:
if e.errno != errno.EEXIST:
raise
with (
modified_env(
{
"IPYTHON_DIR": None,
"IPYTHONDIR": None,
"XDG_CONFIG_HOME": XDG_TEST_DIR,
}
),
warnings.catch_warnings(record=True) as w,
):
ipdir = paths.get_ipython_dir()
assert len(w) == 1
assert "Ignoring" in str(w[0])
def test_get_ipython_dir_5():
"""test_get_ipython_dir_5, use .ipython if exists and XDG defined, but doesn't exist."""
with patch_get_home_dir(HOME_TEST_DIR), patch("os.name", "posix"):
try:
os.rmdir(os.path.join(XDG_TEST_DIR, "ipython"))
except OSError as e:
if e.errno != errno.ENOENT:
raise
with modified_env(
{
"IPYTHON_DIR": None,
"IPYTHONDIR": None,
"XDG_CONFIG_HOME": XDG_TEST_DIR,
}
):
ipdir = paths.get_ipython_dir()
assert ipdir == IP_TEST_DIR
def test_get_ipython_dir_6():
"""test_get_ipython_dir_6, use home over XDG if defined and neither exist."""
xdg = os.path.join(HOME_TEST_DIR, "somexdg")
os.mkdir(xdg)
shutil.rmtree(os.path.join(HOME_TEST_DIR, ".ipython"))
print(paths._writable_dir)
with (
patch_get_home_dir(HOME_TEST_DIR),
patch.object(paths, "get_xdg_dir", return_value=xdg),
patch("os.name", "posix"),
modified_env(
{
"IPYTHON_DIR": None,
"IPYTHONDIR": None,
"XDG_CONFIG_HOME": None,
}
),
warnings.catch_warnings(record=True) as w,
):
ipdir = paths.get_ipython_dir()
assert ipdir == os.path.join(HOME_TEST_DIR, ".ipython")
assert len(w) == 0
def test_get_ipython_dir_7():
"""test_get_ipython_dir_7, test home directory expansion on IPYTHONDIR"""
home_dir = os.path.normpath(os.path.expanduser("~"))
with (
modified_env({"IPYTHONDIR": os.path.join("~", "somewhere")}),
patch.object(paths, "_writable_dir", return_value=True),
):
ipdir = paths.get_ipython_dir()
assert ipdir == os.path.join(home_dir, "somewhere")
@skip_win32
def test_get_ipython_dir_8():
"""test_get_ipython_dir_8, test / home directory"""
if not os.access("/", os.W_OK):
# test only when HOME directory actually writable
return
with (
patch.object(paths, "_writable_dir", lambda path: bool(path)),
patch.object(paths, "get_xdg_dir", return_value=None),
modified_env(
{
"IPYTHON_DIR": None,
"IPYTHONDIR": None,
"HOME": "/",
}
),
):
assert paths.get_ipython_dir() == "/.ipython"
def test_get_ipython_cache_dir():
with modified_env({"HOME": HOME_TEST_DIR}):
if os.name == "posix":
# test default
os.makedirs(os.path.join(HOME_TEST_DIR, ".cache"))
with modified_env({"XDG_CACHE_HOME": None}):
ipdir = paths.get_ipython_cache_dir()
assert os.path.join(HOME_TEST_DIR, ".cache", "ipython") == ipdir
assert_isdir(ipdir)
# test env override
with modified_env({"XDG_CACHE_HOME": XDG_CACHE_DIR}):
ipdir = paths.get_ipython_cache_dir()
assert_isdir(ipdir)
assert ipdir == os.path.join(XDG_CACHE_DIR, "ipython")
else:
assert paths.get_ipython_cache_dir() == paths.get_ipython_dir()
def test_get_ipython_package_dir():
ipdir = paths.get_ipython_package_dir()
assert_isdir(ipdir)
def test_get_ipython_module_path():
ipapp_path = paths.get_ipython_module_path("IPython.terminal.ipapp")
assert_isfile(ipapp_path)