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# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# 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 General Public License for more details.
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""
unit tests for module modutils (module manipulation utilities)
"""
import sys
try:
__file__
except NameError:
__file__ = sys.argv[0]
from logilab.common.testlib import TestCase, unittest_main
from logilab.common import modutils
from os import path
from logilab import common
from logilab.common import tree
sys.path.insert(0, path.dirname(__file__))
DATADIR = path.join(path.dirname(__file__), 'data')
class load_module_from_name_tc(TestCase):
""" load a python module from it's name """
def test_knownValues_load_module_from_name_1(self):
self.assertEqual(modutils.load_module_from_name('sys'), sys)
def test_knownValues_load_module_from_name_2(self):
self.assertEqual(modutils.load_module_from_name('os.path'), path)
def test_raise_load_module_from_name_1(self):
self.assertRaises(ImportError,
modutils.load_module_from_name, 'os.path', use_sys=0)
class get_module_part_tc(TestCase):
"""given a dotted name return the module part of the name"""
def test_knownValues_get_module_part_1(self):
self.assertEqual(modutils.get_module_part('logilab.common.modutils'),
'logilab.common.modutils')
def test_knownValues_get_module_part_2(self):
self.assertEqual(modutils.get_module_part('logilab.common.modutils.get_module_part'),
'logilab.common.modutils')
def test_knownValues_get_module_part_3(self):
self.assertEqual(modutils.get_module_part('db.get_connexion', modutils.__file__),
'db')
def test_knownValues_get_compiled_module_part(self):
self.assertEqual(modutils.get_module_part('math.log10'), 'math')
self.assertEqual(modutils.get_module_part('math.log10', __file__), 'math')
def test_knownValues_get_builtin_module_part(self):
self.assertEqual(modutils.get_module_part('sys.path'), 'sys')
self.assertEqual(modutils.get_module_part('sys.path', '__file__'), 'sys')
class modpath_from_file_tc(TestCase):
""" given an absolute file path return the python module's path as a list """
def test_knownValues_modpath_from_file_1(self):
self.assertEqual(modutils.modpath_from_file(modutils.__file__),
['logilab', 'common', 'modutils'])
def test_raise_modpath_from_file_Exception(self):
self.assertRaises(Exception, modutils.modpath_from_file, '/turlututu')
class file_from_modpath_tc(TestCase):
"""given a mod path (i.e. splited module / package name), return the
corresponding file, giving priority to source file over precompiled file
if it exists"""
def test_knownValues_file_from_modpath_1(self):
self.assertEqual(path.realpath(modutils.file_from_modpath(['logilab', 'common', 'modutils'])),
path.realpath(modutils.__file__.replace('.pyc', '.py')))
def test_knownValues_file_from_modpath_2(self):
from os import path
self.assertEqual(path.realpath(modutils.file_from_modpath(['os', 'path']).replace('.pyc', '.py')),
path.realpath(path.__file__.replace('.pyc', '.py')))
def test_knownValues_file_from_modpath_3(self):
try:
# don't fail if pyxml isn't installed
from xml.dom import ext
except ImportError:
pass
else:
self.assertEqual(path.realpath(modutils.file_from_modpath(['xml', 'dom', 'ext']).replace('.pyc', '.py')),
path.realpath(ext.__file__.replace('.pyc', '.py')))
def test_knownValues_file_from_modpath_4(self):
self.assertEqual(modutils.file_from_modpath(['sys']),
None)
def test_raise_file_from_modpath_Exception(self):
self.assertRaises(ImportError, modutils.file_from_modpath, ['turlututu'])
class get_source_file_tc(TestCase):
def test(self):
from os import path
self.assertEqual(modutils.get_source_file(path.__file__),
path.__file__.replace('.pyc', '.py'))
def test_raise(self):
self.assertRaises(modutils.NoSourceFile, modutils.get_source_file,'whatever')
class is_standard_module_tc(TestCase):
"""
return true if the module may be considered as a module from the standard
library
"""
def test_knownValues_is_standard_module_0(self):
self.assertEqual(modutils.is_standard_module('__builtin__'), True)
def test_knownValues_is_standard_module_1(self):
self.assertEqual(modutils.is_standard_module('sys'), True)
def test_knownValues_is_standard_module_2(self):
self.assertEqual(modutils.is_standard_module('logilab'), False)
def test_knownValues_is_standard_module_3(self):
self.assertEqual(modutils.is_standard_module('unknown'), False)
def test_knownValues_is_standard_module_4(self):
self.assertEqual(modutils.is_standard_module('StringIO'), True)
def test_knownValues_is_standard_module_5(self):
self.assertEqual(modutils.is_standard_module('data.module', (DATADIR,)), True)
self.assertEqual(modutils.is_standard_module('data.module', (path.abspath(DATADIR),)), True)
class is_relative_tc(TestCase):
def test_knownValues_is_relative_1(self):
self.assertEqual(modutils.is_relative('modutils', common.__path__[0]), True)
def test_knownValues_is_relative_2(self):
self.assertEqual(modutils.is_relative('modutils', tree.__file__), True)
def test_knownValues_is_relative_3(self):
self.assertEqual(modutils.is_relative('logilab.common.modutils',
common.__path__[0]), False)
class get_modules_tc(TestCase):
def test_knownValues_get_modules_1(self): # XXXFIXME: TOWRITE
"""given a directory return a list of all available python modules, even
in subdirectories
"""
import data
modules = modutils.get_modules('data', data.__path__[0])
modules.sort()
self.assertEqual(modules,
['data.module', 'data.module2', 'data.noendingnewline',
'data.nonregr'])
class get_modules_files_tc(TestCase):
def test_knownValues_get_module_files_1(self): # XXXFIXME: TOWRITE
"""given a directory return a list of all available python module's files, even
in subdirectories
"""
import data
modules = modutils.get_module_files(DATADIR, data.__path__[0])
modules.sort()
self.assertEqual(modules,
[path.join(DATADIR, x) for x in ['__init__.py', 'module.py', 'module2.py', 'noendingnewline.py', 'nonregr.py']])
def test_load_module_set_attribute(self):
import logilab.common.fileutils
import logilab
del logilab.common.fileutils
del sys.modules['logilab.common.fileutils']
m = modutils.load_module_from_modpath(['logilab','common', 'fileutils'])
self.assert_( hasattr(logilab, 'common') )
self.assert_( hasattr(logilab.common, 'fileutils') )
self.assert_( m is logilab.common.fileutils )
from logilab.common.testlib import DocTest
class ModuleDocTest(DocTest):
"""test doc test in this module"""
from logilab.common import modutils as module
del DocTest # necessary if we don't want it to be executed (we don't...)
if __name__ == '__main__':
unittest_main()
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