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"""Misc file tests.
Made for Jython.
"""
import os
import unittest
from test import test_support
from java.lang import System
class FileTestCase(unittest.TestCase):
def tearDown(self):
if os.path.exists(test_support.TESTFN):
os.remove(test_support.TESTFN)
def test_append(self):
# http://bugs.jython.org/issue1466
mode = 'ab'
fp1 = open(test_support.TESTFN, mode)
fp1.write('test1\n')
fp2 = open(test_support.TESTFN, mode)
fp2.write('test2\n')
fp1.close()
fp2.close()
with open(test_support.TESTFN) as fp:
self.assertEqual('test1\ntest2\n', fp.read())
def test_appendplus(self):
# regression with the test_append fix:
# http://bugs.jython.org/issue1576
with open(test_support.TESTFN, 'ab+') as fp:
fp.write('test1\n')
fp.seek(0)
self.assertEqual(fp.read(), 'test1\n')
def test_issue1825(self):
testfnu = unicode(test_support.TESTFN)
try:
open(testfnu)
except IOError, e:
self.assertTrue(isinstance(e.filename, unicode))
self.assertEqual(e.filename, testfnu)
else:
self.assertTrue(False)
@unittest.skipUnless(hasattr(os, 'chmod'), 'chmod() support required for this test')
def test_issue2081(self):
with open(test_support.TESTFN, 'wb'):
pass
os.chmod(test_support.TESTFN, 200) # write-only
with open(test_support.TESTFN, 'w'): # should succeed, raised IOError (permission denied) prior to fix
pass
# http://bugs.jython.org/issue2358
def test_read_empty_file(self):
with open(test_support.TESTFN, 'w'):
pass
with open(test_support.TESTFN) as f:
self.assertEqual(f.read(), '')
# http://bugs.jython.org/issue2358
@unittest.skipUnless(System.getProperty('os.name') == u'Linux', 'Linux required')
def test_can_read_proc_filesystem(self):
with open('/proc/{}/cmdline'.format(os.getpid())) as f:
self.assertIn('jython', f.read())
def test_main():
test_support.run_unittest(FileTestCase)
if __name__ == '__main__':
test_main()
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