mirror of https://github.com/tLDP/python-tldp
265 lines
8.4 KiB
Python
265 lines
8.4 KiB
Python
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from __future__ import absolute_import, division, print_function
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import os
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import stat
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import uuid
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import errno
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import posix
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import unittest
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from tempfile import mkdtemp
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from tempfile import NamedTemporaryFile as ntf
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from tldptesttools import TestToolsFilesystem
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# -- SUT
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from tldp.utils import makefh, which, execute
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from tldp.utils import statfile, statfiles, stem_and_ext
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from tldp.utils import arg_isexecutable, isexecutable
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from tldp.utils import arg_isreadablefile, isreadablefile
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from tldp.utils import arg_isdirectory, arg_isloglevel
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from tldp.utils import swapdirs
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class Test_isexecutable_and_friends(unittest.TestCase):
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def test_isexecutable(self):
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f = ntf(prefix='executable-file')
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self.assertFalse(isexecutable(f.name))
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mode = stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR
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os.chmod(f.name, mode)
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self.assertTrue(isexecutable(f.name))
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def test_arg_isexecutable(self):
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f = ntf(prefix='executable-file')
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self.assertIsNone(arg_isexecutable(f.name))
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mode = stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR
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os.chmod(f.name, mode)
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self.assertEqual(f.name, arg_isexecutable(f.name))
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class Test_isreadablefile_and_friends(unittest.TestCase):
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def test_isreadablefile(self):
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f = ntf(prefix='readable-file')
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self.assertTrue(isreadablefile(f.name))
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os.chmod(f.name, 0)
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self.assertFalse(isreadablefile(f.name))
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def test_arg_isreadablefile(self):
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f = ntf(prefix='readable-file')
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self.assertEquals(f.name, arg_isreadablefile(f.name))
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os.chmod(f.name, 0)
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self.assertIsNone(arg_isreadablefile(f.name))
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class Test_arg_isloglevel(unittest.TestCase):
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def test_arg_isloglevel_integer(self):
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self.assertEquals(7, arg_isloglevel(7))
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self.assertEquals(40, arg_isloglevel('frobnitz'))
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self.assertEquals(20, arg_isloglevel('INFO'))
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self.assertEquals(10, arg_isloglevel('DEBUG'))
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class Test_arg_isdirectory(TestToolsFilesystem):
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def test_arg_isdirectory(self):
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self.assertTrue(arg_isdirectory(self.tempdir))
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f = ntf(dir=self.tempdir)
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self.assertFalse(arg_isdirectory(f.name))
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class Test_execute(TestToolsFilesystem):
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def test_execute_returns_zero(self):
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exe = which('true')
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result = execute([exe], logdir=self.tempdir)
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self.assertEqual(0, result)
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def test_execute_stdout_to_devnull(self):
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exe = which('cat')
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cmd = [exe, '/etc/hosts']
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devnull = open('/dev/null', 'w')
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result = execute(cmd, stdout=devnull, logdir=self.tempdir)
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self.assertEqual(0, result)
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def test_execute_stderr_to_devnull(self):
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exe = which('cat')
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cmd = [exe, '/etc/hosts']
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devnull = open('/dev/null', 'w')
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result = execute(cmd, stderr=devnull, logdir=self.tempdir)
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self.assertEqual(0, result)
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def test_execute_returns_nonzero(self):
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exe = which('false')
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result = execute([exe], logdir=self.tempdir)
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self.assertEqual(1, result)
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def test_execute_exception_when_logdir_none(self):
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exe = which('true')
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with self.assertRaises(ValueError) as ecm:
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execute([exe], logdir=None)
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e = ecm.exception
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self.assertTrue('logdir must be a directory' in e.message)
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def test_execute_exception_when_logdir_enoent(self):
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exe = which('true')
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logdir = os.path.join(self.tempdir, 'nonexistent-directory')
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with self.assertRaises(IOError) as ecm:
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execute([exe], logdir=logdir)
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e = ecm.exception
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self.assertTrue('nonexistent' in e.filename)
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class Test_which(unittest.TestCase):
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def test_good_which_python(self):
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python = which('python')
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self.assertIsInstance(python, str)
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self.assertTrue(os.path.isfile(python))
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qualified_python = which(python)
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self.assertEqual(python, qualified_python)
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def test_bad_silly_name(self):
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silly = which('silliest-executable-name-which-may-yet-be-possible')
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self.assertIsNone(silly)
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def test_fq_executable(self):
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f = ntf(prefix='tldp-which-test', delete=False)
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f.close()
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notfound = which(f.name)
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self.assertIsNone(notfound)
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os.chmod(f.name, 0755)
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found = which(f.name)
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self.assertEqual(f.name, found)
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os.unlink(f.name)
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class Test_statfiles(unittest.TestCase):
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def test_statfiles_dir_in_result(self):
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'''Assumes that directory ./sample-documents/ exists here'''
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here = os.path.dirname(os.path.abspath(__file__))
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statinfo = statfiles(here, relative=here)
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self.assertIsInstance(statinfo, dict)
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self.assertTrue(os.path.basename('sample-documents') in statinfo)
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def test_statfiles_dir_rel(self):
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here = os.path.dirname(os.path.abspath(__file__))
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statinfo = statfiles(here, relative=here)
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self.assertIsInstance(statinfo, dict)
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self.assertTrue(os.path.basename(__file__) in statinfo)
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def test_statfiles_dir_abs(self):
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here = os.path.dirname(os.path.abspath(__file__))
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statinfo = statfiles(here)
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self.assertIsInstance(statinfo, dict)
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self.assertTrue(__file__ in statinfo)
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def test_statfiles_file_rel(self):
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here = os.path.dirname(os.path.abspath(__file__))
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statinfo = statfiles(__file__, relative=here)
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self.assertIsInstance(statinfo, dict)
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self.assertTrue(os.path.basename(__file__) in statinfo)
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def test_statfiles_file_abs(self):
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statinfo = statfiles(__file__)
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self.assertIsInstance(statinfo, dict)
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self.assertTrue(__file__ in statinfo)
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def test_statfiles_nonexistent_file(self):
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here = os.path.dirname(os.path.abspath(__file__))
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this = os.path.join(here, str(uuid.uuid4()))
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statinfo = statfiles(this)
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self.assertIsInstance(statinfo, dict)
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self.assertEquals(0, len(statinfo))
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class Test_statfile(TestToolsFilesystem):
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def test_statfile_bogustype(self):
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with self.assertRaises(TypeError):
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statfile(0)
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def test_statfile_enoent(self):
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f = ntf(dir=self.tempdir)
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self.assertIsNone(statfile(f.name + '-ENOENT_TEST'))
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def test_statfile_exception(self):
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f = ntf(dir=self.tempdir)
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omode = os.stat(self.tempdir).st_mode
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os.chmod(self.tempdir, 0)
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with self.assertRaises(OSError):
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statfile(f.name)
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os.chmod(self.tempdir, omode)
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stbuf = statfile(f.name)
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self.assertIsInstance(stbuf, posix.stat_result)
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class Test_stem_and_ext(unittest.TestCase):
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def test_stem_and_ext_final_slash(self):
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r0 = stem_and_ext('/h/q/t/z/Frobnitz-HOWTO')
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r1 = stem_and_ext('/h/q/t/z/Frobnitz-HOWTO/')
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self.assertEqual(r0, r1)
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def test_stem_and_ext_rel_abs(self):
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r0 = stem_and_ext('/h/q/t/z/Frobnitz-HOWTO')
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r1 = stem_and_ext('Frobnitz-HOWTO/')
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self.assertEqual(r0, r1)
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class Test_swapdirs(TestToolsFilesystem):
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def test_swapdirs_bogusarg(self):
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with self.assertRaises(OSError) as ecm:
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swapdirs('/path/to/frickin/impossible/dir', None)
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e = ecm.exception
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self.assertTrue(errno.ENOENT is e.errno)
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def test_swapdirs_b_missing(self):
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a = mkdtemp(dir=self.tempdir)
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b = a + '-B'
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self.assertFalse(os.path.exists(b))
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swapdirs(a, b)
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self.assertTrue(os.path.exists(b))
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def test_swapdirs_b_missing(self):
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a = mkdtemp(dir=self.tempdir)
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afile = os.path.join(a, 'silly')
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b = mkdtemp(dir=self.tempdir)
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bfile = os.path.join(b, 'silly')
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with open(afile, 'w'):
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pass
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self.assertTrue(os.path.exists(a))
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self.assertTrue(os.path.exists(afile))
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self.assertTrue(os.path.exists(b))
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self.assertFalse(os.path.exists(bfile))
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swapdirs(a, b)
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self.assertTrue(os.path.exists(a))
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self.assertFalse(os.path.exists(afile))
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self.assertTrue(os.path.exists(b))
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self.assertTrue(os.path.exists(bfile))
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class Test_att_statinfo(unittest.TestCase):
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def test_max_mtime(self):
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pass
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class Test_makefh(unittest.TestCase):
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def test_makefh(self):
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f = ntf(prefix='tldp-makefh-openfile-test-', delete=False)
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# fprime = makefh(f.file)
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# self.assertIs(f, fprime)
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# del fprime
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f.close()
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fprime = makefh(f.name)
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self.assertIs(f.name, fprime.name)
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os.unlink(f.name)
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#
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# -- end of file
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