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# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
# Copyright (C) 2013 YAMAMOTO Takashi <yamamoto at valinux co jp>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from nose.tools import eq_
from ryu.utils import import_module
class Test_import_module(unittest.TestCase):
"""
Test case for ryu.utils.import_module
"""
@staticmethod
def _my_import(name):
mod = __import__(name)
components = name.split('.')
for c in components[1:]:
mod = getattr(mod, c)
return mod
def test_import_module_with_same_basename(self):
aaa = import_module('tests.unit.lib.test_mod.aaa.mod')
eq_("this is aaa", aaa.name)
bbb = import_module('tests.unit.lib.test_mod.bbb.mod')
eq_("this is bbb", bbb.name)
def test_import_module_by_filename(self):
ccc = import_module('./lib/test_mod/ccc/mod.py')
eq_("this is ccc", ccc.name)
ddd = import_module('./lib/test_mod/ddd/mod.py')
# Note: When importing a module by filename, if module file name
# is duplicated, import_module reload (override) a module instance.
eq_("this is ddd", ddd.name)
def test_import_same_module1(self):
from tests.unit.lib.test_mod import eee as eee1
eq_("this is eee", eee1.name)
eee2 = import_module('./lib/test_mod/eee.py')
eq_("this is eee", eee2.name)
def test_import_same_module2(self):
fff1 = import_module('./lib/test_mod/fff.py')
eq_("this is fff", fff1.name)
fff2 = import_module('tests.unit.lib.test_mod.fff')
eq_("this is fff", fff2.name)
def test_import_same_module3(self):
ggg1 = import_module('./lib/test_mod/ggg.py')
eq_("this is ggg", ggg1.name)
ggg2 = self._my_import('tests.unit.lib.test_mod.ggg')
eq_("this is ggg", ggg2.name)
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