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# copyright 2003-2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
"""unit tests for logilab.common.shellutils"""
import sys, os, tempfile, shutil
from os.path import join, dirname, abspath
import datetime, time
from StringIO import StringIO
from logilab.common.testlib import TestCase, unittest_main
from logilab.common.shellutils import (globfind, find, ProgressBar,
acquire_lock, release_lock,
RawInput)
from logilab.common.compat import str_to_bytes
from logilab.common.proc import NoSuchProcess
DATA_DIR = join(dirname(abspath(__file__)), 'data', 'find_test')
class FindTC(TestCase):
def test_include(self):
files = set(find(DATA_DIR, '.py'))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['__init__.py', 'module.py',
'module2.py', 'noendingnewline.py',
'nonregr.py', join('sub', 'momo.py')]]))
files = set(find(DATA_DIR, ('.py',), blacklist=('sub',)))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['__init__.py', 'module.py',
'module2.py', 'noendingnewline.py',
'nonregr.py']]))
def test_exclude(self):
files = set(find(DATA_DIR, ('.py', '.pyc'), exclude=True))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['foo.txt',
'newlines.txt',
'normal_file.txt',
'test.ini',
'test1.msg',
'test2.msg',
'spam.txt',
join('sub', 'doc.txt'),
'write_protected_file.txt',
]]))
def test_globfind(self):
files = set(globfind(DATA_DIR, '*.py'))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['__init__.py', 'module.py',
'module2.py', 'noendingnewline.py',
'nonregr.py', join('sub', 'momo.py')]]))
files = set(globfind(DATA_DIR, 'mo*.py'))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['module.py', 'module2.py',
join('sub', 'momo.py')]]))
files = set(globfind(DATA_DIR, 'mo*.py', blacklist=('sub',)))
self.assertSetEqual(files,
set([join(DATA_DIR, f) for f in ['module.py', 'module2.py']]))
class ProgressBarTC(TestCase):
def test_refresh(self):
pgb_stream = StringIO()
expected_stream = StringIO()
pgb = ProgressBar(20, stream=pgb_stream)
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue()) # nothing print before refresh
pgb.refresh()
expected_stream.write("\r["+' '*20+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
def test_refresh_g_size(self):
pgb_stream = StringIO()
expected_stream = StringIO()
pgb = ProgressBar(20, 35, stream=pgb_stream)
pgb.refresh()
expected_stream.write("\r["+' '*35+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
def test_refresh_l_size(self):
pgb_stream = StringIO()
expected_stream = StringIO()
pgb = ProgressBar(20, 3, stream=pgb_stream)
pgb.refresh()
expected_stream.write("\r["+' '*3+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
def _update_test(self, nbops, expected, size = None):
pgb_stream = StringIO()
expected_stream = StringIO()
if size is None:
pgb = ProgressBar(nbops, stream=pgb_stream)
size=20
else:
pgb = ProgressBar(nbops, size, stream=pgb_stream)
last = 0
for round in expected:
if not hasattr(round, '__int__'):
dots, update = round
else:
dots, update = round, None
pgb.update()
if update or (update is None and dots != last):
last = dots
expected_stream.write("\r["+('='*dots)+(' '*(size-dots))+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
def test_default(self):
self._update_test(20, xrange(1, 21))
def test_nbops_gt_size(self):
"""Test the progress bar for nbops > size"""
def half(total):
for counter in range(1, total+1):
yield counter // 2
self._update_test(40, half(40))
def test_nbops_lt_size(self):
"""Test the progress bar for nbops < size"""
def double(total):
for counter in range(1, total+1):
yield counter * 2
self._update_test(10, double(10))
def test_nbops_nomul_size(self):
"""Test the progress bar for size % nbops !=0 (non int number of dots per update)"""
self._update_test(3, (6, 13, 20))
def test_overflow(self):
self._update_test(5, (8, 16, 25, 33, 42, (42, True)), size=42)
def test_update_exact(self):
pgb_stream = StringIO()
expected_stream = StringIO()
size=20
pgb = ProgressBar(100, size, stream=pgb_stream)
last = 0
for dots in xrange(10, 105, 15):
pgb.update(dots, exact=True)
dots //= 5
expected_stream.write("\r["+('='*dots)+(' '*(size-dots))+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
def test_update_relative(self):
pgb_stream = StringIO()
expected_stream = StringIO()
size=20
pgb = ProgressBar(100, size, stream=pgb_stream)
last = 0
for dots in xrange(5, 105, 5):
pgb.update(5, exact=False)
dots //= 5
expected_stream.write("\r["+('='*dots)+(' '*(size-dots))+"]")
self.assertEqual(pgb_stream.getvalue(), expected_stream.getvalue())
class AcquireLockTC(TestCase):
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
self.lock = join(self.tmpdir, 'LOCK')
def tearDown(self):
shutil.rmtree(self.tmpdir)
def test_acquire_normal(self):
self.assertTrue(acquire_lock(self.lock, 1, 1))
self.assertTrue(os.path.exists(self.lock))
release_lock(self.lock)
self.assertFalse(os.path.exists(self.lock))
def test_no_possible_acquire(self):
self.assertRaises(Exception, acquire_lock, self.lock, 0)
def test_wrong_process(self):
fd = os.open(self.lock, os.O_EXCL | os.O_RDWR | os.O_CREAT)
os.write(fd, str_to_bytes('1111111111'))
os.close(fd)
self.assertTrue(os.path.exists(self.lock))
self.assertRaises(Exception, acquire_lock, self.lock, 1, 1)
def test_wrong_process_and_continue(self):
fd = os.open(self.lock, os.O_EXCL | os.O_RDWR | os.O_CREAT)
os.write(fd, str_to_bytes('1111111111'))
os.close(fd)
self.assertTrue(os.path.exists(self.lock))
self.assertTrue(acquire_lock(self.lock))
def test_locked_for_one_hour(self):
self.assertTrue(acquire_lock(self.lock))
touch = datetime.datetime.fromtimestamp(time.time() - 3601).strftime("%m%d%H%M")
os.system("touch -t %s %s" % (touch, self.lock))
self.assertRaises(UserWarning, acquire_lock, self.lock, max_try=2, delay=1)
class RawInputTC(TestCase):
def auto_input(self, *args):
self.input_args = args
return self.input_answer
def setUp(self):
null_printer = lambda x: None
self.qa = RawInput(self.auto_input, null_printer)
def test_ask_default(self):
self.input_answer = ''
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'yes')
self.input_answer = ' '
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'yes')
def test_ask_case(self):
self.input_answer = 'no'
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'no')
self.input_answer = 'No'
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'no')
self.input_answer = 'NO'
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'no')
self.input_answer = 'nO'
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'no')
self.input_answer = 'YES'
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(answer, 'yes')
def test_ask_prompt(self):
self.input_answer = ''
answer = self.qa.ask('text', ('yes', 'no'), 'yes')
self.assertEqual(self.input_args[0], 'text [Y(es)/n(o)]: ')
answer = self.qa.ask('text', ('y', 'n'), 'y')
self.assertEqual(self.input_args[0], 'text [Y/n]: ')
answer = self.qa.ask('text', ('n', 'y'), 'y')
self.assertEqual(self.input_args[0], 'text [n/Y]: ')
answer = self.qa.ask('text', ('yes', 'no', 'maybe', '1'), 'yes')
self.assertEqual(self.input_args[0], 'text [Y(es)/n(o)/m(aybe)/1]: ')
def test_ask_ambiguous(self):
self.input_answer = 'y'
self.assertRaises(Exception, self.qa.ask, 'text', ('yes', 'yep'), 'yes')
def test_confirm(self):
self.input_answer = 'y'
self.assertEqual(self.qa.confirm('Say yes'), True)
self.assertEqual(self.qa.confirm('Say yes', default_is_yes=False), True)
self.input_answer = 'n'
self.assertEqual(self.qa.confirm('Say yes'), False)
self.assertEqual(self.qa.confirm('Say yes', default_is_yes=False), False)
self.input_answer = ''
self.assertEqual(self.qa.confirm('Say default'), True)
self.assertEqual(self.qa.confirm('Say default', default_is_yes=False), False)
if __name__ == '__main__':
unittest_main()
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