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test_rcsetup.py
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213 lines (186 loc) · 7.72 KB
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"""Test module of the :mod:`psyplot.config.rcsetup` module."""
# Disclaimer
# ----------
#
# Copyright (C) 2021 Helmholtz-Zentrum Hereon
# Copyright (C) 2020-2021 Helmholtz-Zentrum Geesthacht
# Copyright (C) 2016-2021 University of Lausanne
#
# This file is part of psyplot and is released under the GNU LGPL-3.O license.
# See COPYING and COPYING.LESSER in the root of the repository for full
# licensing details.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3.0 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU LGPL-3.0 license for more details.
#
# You should have received a copy of the GNU LGPL-3.0 license
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import _base_testing as bt
import os.path as osp
import unittest
import six
import psyplot
from psyplot.config.rcsetup import SubDict, RcParams, rcParams
class SubDictTest(unittest.TestCase):
def test_basic(self):
"""Test the basic functionality
"""
d = {'test.1': 'test1', 'test.2': 'test2',
'test1.1': 'test11', 'test1.2': 'test12'}
sub = SubDict(d, 'test.', pattern_base=r'test\.')
self.assertIn('1', sub)
self.assertIn('2', sub)
self.assertEqual(sub['1'], 'test1')
self.assertEqual(sub['2'], 'test2')
self.assertNotIn('test11', sub.values(),
msg='Item test1.1 catched in %s' % (sub, ))
self.assertNotIn('test12', sub.values(),
msg='Item test1.2 catched in %s' % (sub, ))
def test_replace(self):
"""Test the replace property
"""
d = {'test.1': 'test1', 'test.2': 'test2',
'test1.1': 'test11', 'test1.2': 'test12'}
sub = SubDict(d, 'test.', pattern_base=r'test\.')
sub['test'] = 5 # test something that is not traced back to d
self.assertNotIn('test.1', sub)
self.assertIn('1', sub)
sub.replace = False
sub.trace = True
sub['test.2'] = 4
self.assertIn('test.1', sub)
self.assertNotIn('1', sub)
self.assertEqual(sub['test.2'], 4)
self.assertEqual(d['test.2'], 4)
sub.replace = True
self.assertNotIn('test.1', sub)
self.assertIn('1', sub)
def test_trace(self):
"""Test the backtracing to the origin dictionary"""
d = {'test.1': 'test1', 'test.2': 'test2',
'test1.1': 'test11', 'test1.2': 'test12'}
sub = SubDict(d, 'test.', pattern_base=r'test\.', trace=True)
self.assertIn('1', sub)
sub['1'] = 'change in d'
sub['test.3'] = 'test3' # new item
self.assertEqual(d['test.1'], 'change in d')
self.assertEqual(sub['1'], 'change in d')
self.assertIn('3', sub)
self.assertIn('test.3', d)
sub.trace = False
sub['1'] = 'do not change in d'
sub['4'] = 'test4'
self.assertEqual(d['test.1'], 'change in d')
self.assertEqual(sub['1'], 'do not change in d')
self.assertIn('4', sub)
self.assertNotIn('4', d)
class RcParamsTest(unittest.TestCase):
"""Test the functionality of RcParams"""
@unittest.skipIf(six.PY2, "Missing necessary unittest methods")
def test_dump(self):
"""Test the dumping of the rcParams"""
rc = RcParams(defaultParams={
'some.test': [1, lambda i: int(i), 'The documentation'],
'some.other_test': [2, lambda i: int(i), 'Another documentation']})
rc.update_from_defaultParams()
rc.HEADER = 'the header'
s = rc.dump(default_flow_style=False)
self.assertIn('the header', s)
self.assertRegex(s, r'# The documentation\n\s*some.test')
self.assertRegex(s, r'# Another documentation\n\s*some.other_test')
def test_catch(self):
rc = RcParams(defaultParams={
'some.test': [1, lambda i: int(i), 'The documentation'],
'some.other_test': [2, lambda i: int(i), 'Another documentation']})
rc.update_from_defaultParams()
with rc.catch():
rc['some.test'] = 2
self.assertEqual(rc['some.test'], 2)
self.assertEqual(rc['some.test'], 1)
@unittest.skipIf(six.PY2, 'Method not available on Python2')
def test_error(self):
"""Test whether the correct Error is raised"""
def validate(i):
try:
return int(i)
except:
raise ValueError("Expected failure")
rc = RcParams(defaultParams={
'some.test': [1, validate, 'The documentation'],
'some.other_test': [2, validate, 'Another documentation']})
rc.update_from_defaultParams()
with self.assertRaisesRegex(ValueError, "Expected failure"):
rc['some.test'] = 'test'
with self.assertRaises(KeyError):
rc['wrong_key'] = 1
rc._deprecated_map['something'] = ['some.test', lambda x: x]
with self.assertWarnsRegex(UserWarning, rc.msg_depr % ('something',
'some.test')):
rc['something'] = 3
# check whether the value has been changed correctly
self.assertEqual(rc['some.test'], 3)
rc._deprecated_ignore_map['ignored'] = 'some.test'
with self.assertWarnsRegex(UserWarning, rc.msg_depr_ignore % (
'ignored', 'some.test')):
rc['ignored'] = None
# check whether the value has not been changed
self.assertEqual(rc['some.test'], 3)
def test_findall(self):
rc = RcParams(defaultParams={
'some.test': [1, lambda i: int(i), 'The documentation'],
'some.other_test': [2, lambda i: int(i), 'Another documentation']})
rc.update_from_defaultParams()
self.assertEqual(rc.find_all('other'), {'some.other_test': 2})
@unittest.skipIf(six.PY2, "Missing necessary unittest methods")
def test_plugin(self):
"""Test whether the plugin interface works"""
try:
from psyplot_test.plugin import rcParams as test_rc
except ImportError:
self.skipTest("Could not import the psyplot_test package")
return
rc = psyplot.rcParams.copy()
rc.load_plugins()
self.assertIn('test', rc)
self.assertEqual(rc['test'], 1)
with self.assertRaisesRegex(
ImportError, "plotters have already been defined"):
rc.load_plugins(True)
plotters = test_rc.pop('project.plotters')
try:
with self.assertRaisesRegex(
ImportError, "default keys have already been defined"):
rc.load_plugins(True)
except:
raise
finally:
test_rc['project.plotters'] = plotters
def test_connect(self):
"""Test the connection and disconnection to rcParams"""
x = set()
y = set()
def update_x(val):
x.update(val)
def update_y(val):
y.update(val)
rcParams.connect('decoder.x', update_x)
rcParams.connect('decoder.y', update_y)
rcParams['decoder.x'] = {'test'}
self.assertEqual(x, {'test'})
self.assertEqual(y, set())
rcParams['decoder.y'] = {'test2'}
self.assertEqual(y, {'test2'})
rcParams.disconnect('decoder.x', update_x)
rcParams['decoder.x'] = {'test3'}
self.assertEqual(x, {'test'})
rcParams.disconnect()
rcParams['decoder.y'] = {'test4'}
self.assertEqual(y, {'test2'})
if __name__ == '__main__':
unittest.main()