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Copy pathtest_mailbox.py
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2533 lines (2200 loc) · 101 KB
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import os
import sys
import time
import socket
import email
import email.message
import re
import io
import tempfile
from test import support
from test.support import import_helper, warnings_helper
from test.support import os_helper
from test.support import refleak_helper
from test.support import requires_root_user
from test.support import socket_helper
import unittest
import textwrap
import mailbox
import glob
if not socket_helper.has_gethostname:
raise unittest.SkipTest("test requires gethostname()")
class TestBase:
all_mailbox_types = (mailbox.Message, mailbox.MaildirMessage,
mailbox.mboxMessage, mailbox.MHMessage,
mailbox.BabylMessage, mailbox.MMDFMessage)
def _check_sample(self, msg):
# Inspect a mailbox.Message representation of the sample message
self.assertIsInstance(msg, email.message.Message)
self.assertIsInstance(msg, mailbox.Message)
for key, value in _sample_headers:
self.assertIn(value, msg.get_all(key))
self.assertTrue(msg.is_multipart())
self.assertEqual(len(msg.get_payload()), len(_sample_payloads))
for i, payload in enumerate(_sample_payloads):
part = msg.get_payload(i)
self.assertIsInstance(part, email.message.Message)
self.assertNotIsInstance(part, mailbox.Message)
self.assertEqual(part.get_payload(), payload)
def _delete_recursively(self, target):
# Delete a file or delete a directory recursively
if os.path.isdir(target):
os_helper.rmtree(target)
elif os.path.exists(target):
os_helper.unlink(target)
class TestMailbox(TestBase):
maxDiff = None
_factory = None # Overridden by subclasses to reuse tests
_template = 'From: foo\n\n%s\n'
def setUp(self):
self._path = os_helper.TESTFN
self._delete_recursively(self._path)
self._box = self._factory(self._path)
def tearDown(self):
self._box.close()
self._delete_recursively(self._path)
def test_add(self):
# Add copies of a sample message
keys = []
keys.append(self._box.add(self._template % 0))
self.assertEqual(len(self._box), 1)
keys.append(self._box.add(mailbox.Message(_sample_message)))
self.assertEqual(len(self._box), 2)
keys.append(self._box.add(email.message_from_string(_sample_message)))
self.assertEqual(len(self._box), 3)
keys.append(self._box.add(io.BytesIO(_bytes_sample_message)))
self.assertEqual(len(self._box), 4)
keys.append(self._box.add(_sample_message))
self.assertEqual(len(self._box), 5)
keys.append(self._box.add(_bytes_sample_message))
self.assertEqual(len(self._box), 6)
with self.assertWarns(DeprecationWarning):
keys.append(self._box.add(
io.TextIOWrapper(io.BytesIO(_bytes_sample_message), encoding="utf-8")))
self.assertEqual(len(self._box), 7)
self.assertEqual(self._box.get_string(keys[0]), self._template % 0)
for i in (1, 2, 3, 4, 5, 6):
self._check_sample(self._box[keys[i]])
_nonascii_msg = textwrap.dedent("""\
From: foo
Subject: Falinaptár házhozszállítással. Már rendeltél?
0
""")
def test_add_invalid_8bit_bytes_header(self):
key = self._box.add(self._nonascii_msg.encode('latin-1'))
self.assertEqual(len(self._box), 1)
self.assertEqual(self._box.get_bytes(key),
self._nonascii_msg.encode('latin-1'))
def test_invalid_nonascii_header_as_string(self):
subj = self._nonascii_msg.splitlines()[1]
key = self._box.add(subj.encode('latin-1'))
self.assertEqual(self._box.get_string(key),
'Subject: =?unknown-8bit?b?RmFsaW5hcHThciBo4Xpob3pzeuFsbO104XNz'
'YWwuIE3hciByZW5kZWx06Ww/?=\n\n')
def test_add_nonascii_string_header_raises(self):
with self.assertRaisesRegex(ValueError, "ASCII-only"):
self._box.add(self._nonascii_msg)
self._box.flush()
self.assertEqual(len(self._box), 0)
self.assertMailboxEmpty()
def test_add_that_raises_leaves_mailbox_empty(self):
class CustomError(Exception): ...
exc_msg = "a fake error"
def raiser(*args, **kw):
raise CustomError(exc_msg)
support.patch(self, email.generator.BytesGenerator, 'flatten', raiser)
with self.assertRaisesRegex(CustomError, exc_msg):
self._box.add(email.message_from_string("From: Alphöso"))
self.assertEqual(len(self._box), 0)
self._box.close()
self.assertMailboxEmpty()
_non_latin_bin_msg = textwrap.dedent("""\
From: foo@bar.com
To: báz
Subject: Maintenant je vous présente mon collègue, le pouf célèbre
\tJean de Baddie
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
Да, они летят.
""").encode('utf-8')
def test_add_8bit_body(self):
key = self._box.add(self._non_latin_bin_msg)
self.assertEqual(self._box.get_bytes(key),
self._non_latin_bin_msg)
with self._box.get_file(key) as f:
self.assertEqual(f.read(),
self._non_latin_bin_msg.replace(b'\n',
os.linesep.encode()))
self.assertEqual(self._box[key].get_payload(),
"Да, они летят.\n")
def test_add_binary_file(self):
with tempfile.TemporaryFile('wb+') as f:
f.write(_bytes_sample_message)
f.seek(0)
key = self._box.add(f)
self.assertEqual(self._box.get_bytes(key).split(b'\n'),
_bytes_sample_message.split(b'\n'))
def test_add_binary_nonascii_file(self):
with tempfile.TemporaryFile('wb+') as f:
f.write(self._non_latin_bin_msg)
f.seek(0)
key = self._box.add(f)
self.assertEqual(self._box.get_bytes(key).split(b'\n'),
self._non_latin_bin_msg.split(b'\n'))
def test_add_text_file_warns(self):
with tempfile.TemporaryFile('w+', encoding='utf-8') as f:
f.write(_sample_message)
f.seek(0)
with self.assertWarns(DeprecationWarning):
key = self._box.add(f)
self.assertEqual(self._box.get_bytes(key).split(b'\n'),
_bytes_sample_message.split(b'\n'))
def test_add_StringIO_warns(self):
with self.assertWarns(DeprecationWarning):
key = self._box.add(io.StringIO(self._template % "0"))
self.assertEqual(self._box.get_string(key), self._template % "0")
def test_add_nonascii_StringIO_raises(self):
with self.assertWarns(DeprecationWarning):
with self.assertRaisesRegex(ValueError, "ASCII-only"):
self._box.add(io.StringIO(self._nonascii_msg))
self.assertEqual(len(self._box), 0)
self._box.close()
self.assertMailboxEmpty()
def test_remove(self):
# Remove messages using remove()
self._test_remove_or_delitem(self._box.remove)
def test_delitem(self):
# Remove messages using __delitem__()
self._test_remove_or_delitem(self._box.__delitem__)
def _test_remove_or_delitem(self, method):
# (Used by test_remove() and test_delitem().)
key0 = self._box.add(self._template % 0)
key1 = self._box.add(self._template % 1)
self.assertEqual(len(self._box), 2)
method(key0)
self.assertEqual(len(self._box), 1)
self.assertRaises(KeyError, lambda: self._box[key0])
self.assertRaises(KeyError, lambda: method(key0))
self.assertEqual(self._box.get_string(key1), self._template % 1)
key2 = self._box.add(self._template % 2)
self.assertEqual(len(self._box), 2)
method(key2)
self.assertEqual(len(self._box), 1)
self.assertRaises(KeyError, lambda: self._box[key2])
self.assertRaises(KeyError, lambda: method(key2))
self.assertEqual(self._box.get_string(key1), self._template % 1)
method(key1)
self.assertEqual(len(self._box), 0)
self.assertRaises(KeyError, lambda: self._box[key1])
self.assertRaises(KeyError, lambda: method(key1))
def test_discard(self, repetitions=10):
# Discard messages
key0 = self._box.add(self._template % 0)
key1 = self._box.add(self._template % 1)
self.assertEqual(len(self._box), 2)
self._box.discard(key0)
self.assertEqual(len(self._box), 1)
self.assertRaises(KeyError, lambda: self._box[key0])
self._box.discard(key0)
self.assertEqual(len(self._box), 1)
self.assertRaises(KeyError, lambda: self._box[key0])
def test_get(self):
# Retrieve messages using get()
key0 = self._box.add(self._template % 0)
msg = self._box.get(key0)
self.assertEqual(msg['from'], 'foo')
self.assertEqual(msg.get_payload(), '0\n')
self.assertIsNone(self._box.get('foo'))
self.assertIs(self._box.get('foo', False), False)
self._box.close()
self._box = self._factory(self._path)
key1 = self._box.add(self._template % 1)
msg = self._box.get(key1)
self.assertEqual(msg['from'], 'foo')
self.assertEqual(msg.get_payload(), '1\n')
def test_getitem(self):
# Retrieve message using __getitem__()
key0 = self._box.add(self._template % 0)
msg = self._box[key0]
self.assertEqual(msg['from'], 'foo')
self.assertEqual(msg.get_payload(), '0\n')
self.assertRaises(KeyError, lambda: self._box['foo'])
self._box.discard(key0)
self.assertRaises(KeyError, lambda: self._box[key0])
def test_get_message(self):
# Get Message representations of messages
key0 = self._box.add(self._template % 0)
key1 = self._box.add(_sample_message)
msg0 = self._box.get_message(key0)
self.assertIsInstance(msg0, mailbox.Message)
self.assertEqual(msg0['from'], 'foo')
self.assertEqual(msg0.get_payload(), '0\n')
self._check_sample(self._box.get_message(key1))
def test_get_bytes(self):
# Get bytes representations of messages
key0 = self._box.add(self._template % 0)
key1 = self._box.add(_sample_message)
self.assertEqual(self._box.get_bytes(key0),
(self._template % 0).encode('ascii'))
self.assertEqual(self._box.get_bytes(key1), _bytes_sample_message)
def test_get_string(self):
# Get string representations of messages
key0 = self._box.add(self._template % 0)
key1 = self._box.add(_sample_message)
self.assertEqual(self._box.get_string(key0), self._template % 0)
self.assertEqual(self._box.get_string(key1).split('\n'),
_sample_message.split('\n'))
def test_get_file(self):
# Get file representations of messages
key0 = self._box.add(self._template % 0)
key1 = self._box.add(_sample_message)
with self._box.get_file(key0) as file:
data0 = file.read()
with self._box.get_file(key1) as file:
data1 = file.read()
self.assertEqual(data0.decode('ascii').replace(os.linesep, '\n'),
self._template % 0)
self.assertEqual(data1.decode('ascii').replace(os.linesep, '\n'),
_sample_message)
def test_get_file_can_be_closed_twice(self):
# Issue 11700
key = self._box.add(_sample_message)
f = self._box.get_file(key)
f.close()
f.close()
def test_iterkeys(self):
# Get keys using iterkeys()
self._check_iteration(self._box.iterkeys, do_keys=True, do_values=False)
def test_keys(self):
# Get keys using keys()
self._check_iteration(self._box.keys, do_keys=True, do_values=False)
def test_itervalues(self):
# Get values using itervalues()
self._check_iteration(self._box.itervalues, do_keys=False,
do_values=True)
def test_iter(self):
# Get values using __iter__()
self._check_iteration(self._box.__iter__, do_keys=False,
do_values=True)
def test_values(self):
# Get values using values()
self._check_iteration(self._box.values, do_keys=False, do_values=True)
def test_iteritems(self):
# Get keys and values using iteritems()
self._check_iteration(self._box.iteritems, do_keys=True,
do_values=True)
def test_items(self):
# Get keys and values using items()
self._check_iteration(self._box.items, do_keys=True, do_values=True)
def _check_iteration(self, method, do_keys, do_values, repetitions=10):
for value in method():
self.fail("Not empty")
keys, values = [], []
for i in range(repetitions):
keys.append(self._box.add(self._template % i))
values.append(self._template % i)
if do_keys and not do_values:
returned_keys = list(method())
elif do_values and not do_keys:
returned_values = list(method())
else:
returned_keys, returned_values = [], []
for key, value in method():
returned_keys.append(key)
returned_values.append(value)
if do_keys:
self.assertEqual(len(keys), len(returned_keys))
self.assertEqual(set(keys), set(returned_keys))
if do_values:
count = 0
for value in returned_values:
self.assertEqual(value['from'], 'foo')
self.assertLess(int(value.get_payload()), repetitions)
count += 1
self.assertEqual(len(values), count)
def test_contains(self):
# Check existence of keys using __contains__()
self.assertNotIn('foo', self._box)
key0 = self._box.add(self._template % 0)
self.assertIn(key0, self._box)
self.assertNotIn('foo', self._box)
key1 = self._box.add(self._template % 1)
self.assertIn(key1, self._box)
self.assertIn(key0, self._box)
self.assertNotIn('foo', self._box)
self._box.remove(key0)
self.assertNotIn(key0, self._box)
self.assertIn(key1, self._box)
self.assertNotIn('foo', self._box)
self._box.remove(key1)
self.assertNotIn(key1, self._box)
self.assertNotIn(key0, self._box)
self.assertNotIn('foo', self._box)
def test_len(self, repetitions=10):
# Get message count
keys = []
for i in range(repetitions):
self.assertEqual(len(self._box), i)
keys.append(self._box.add(self._template % i))
self.assertEqual(len(self._box), i + 1)
for i in range(repetitions):
self.assertEqual(len(self._box), repetitions - i)
self._box.remove(keys[i])
self.assertEqual(len(self._box), repetitions - i - 1)
def test_set_item(self):
# Modify messages using __setitem__()
key0 = self._box.add(self._template % 'original 0')
self.assertEqual(self._box.get_string(key0),
self._template % 'original 0')
key1 = self._box.add(self._template % 'original 1')
self.assertEqual(self._box.get_string(key1),
self._template % 'original 1')
self._box[key0] = self._template % 'changed 0'
self.assertEqual(self._box.get_string(key0),
self._template % 'changed 0')
self._box[key1] = self._template % 'changed 1'
self.assertEqual(self._box.get_string(key1),
self._template % 'changed 1')
self._box[key0] = _sample_message
self._check_sample(self._box[key0])
self._box[key1] = self._box[key0]
self._check_sample(self._box[key1])
self._box[key0] = self._template % 'original 0'
self.assertEqual(self._box.get_string(key0),
self._template % 'original 0')
self._check_sample(self._box[key1])
self.assertRaises(KeyError,
lambda: self._box.__setitem__('foo', 'bar'))
self.assertRaises(KeyError, lambda: self._box['foo'])
self.assertEqual(len(self._box), 2)
def test_clear(self, iterations=10):
# Remove all messages using clear()
keys = []
for i in range(iterations):
self._box.add(self._template % i)
for i, key in enumerate(keys):
self.assertEqual(self._box.get_string(key), self._template % i)
self._box.clear()
self.assertEqual(len(self._box), 0)
for i, key in enumerate(keys):
self.assertRaises(KeyError, lambda: self._box.get_string(key))
def test_pop(self):
# Get and remove a message using pop()
key0 = self._box.add(self._template % 0)
self.assertIn(key0, self._box)
key1 = self._box.add(self._template % 1)
self.assertIn(key1, self._box)
self.assertEqual(self._box.pop(key0).get_payload(), '0\n')
self.assertNotIn(key0, self._box)
self.assertIn(key1, self._box)
key2 = self._box.add(self._template % 2)
self.assertIn(key2, self._box)
self.assertEqual(self._box.pop(key2).get_payload(), '2\n')
self.assertNotIn(key2, self._box)
self.assertIn(key1, self._box)
self.assertEqual(self._box.pop(key1).get_payload(), '1\n')
self.assertNotIn(key1, self._box)
self.assertEqual(len(self._box), 0)
def test_popitem(self, iterations=10):
# Get and remove an arbitrary (key, message) using popitem()
keys = []
for i in range(10):
keys.append(self._box.add(self._template % i))
seen = []
for i in range(10):
key, msg = self._box.popitem()
self.assertIn(key, keys)
self.assertNotIn(key, seen)
seen.append(key)
self.assertEqual(int(msg.get_payload()), keys.index(key))
self.assertEqual(len(self._box), 0)
for key in keys:
self.assertRaises(KeyError, lambda: self._box[key])
def test_update(self):
# Modify multiple messages using update()
key0 = self._box.add(self._template % 'original 0')
key1 = self._box.add(self._template % 'original 1')
key2 = self._box.add(self._template % 'original 2')
self._box.update({key0: self._template % 'changed 0',
key2: _sample_message})
self.assertEqual(len(self._box), 3)
self.assertEqual(self._box.get_string(key0),
self._template % 'changed 0')
self.assertEqual(self._box.get_string(key1),
self._template % 'original 1')
self._check_sample(self._box[key2])
self._box.update([(key2, self._template % 'changed 2'),
(key1, self._template % 'changed 1'),
(key0, self._template % 'original 0')])
self.assertEqual(len(self._box), 3)
self.assertEqual(self._box.get_string(key0),
self._template % 'original 0')
self.assertEqual(self._box.get_string(key1),
self._template % 'changed 1')
self.assertEqual(self._box.get_string(key2),
self._template % 'changed 2')
self.assertRaises(KeyError,
lambda: self._box.update({'foo': 'bar',
key0: self._template % "changed 0"}))
self.assertEqual(len(self._box), 3)
self.assertEqual(self._box.get_string(key0),
self._template % "changed 0")
self.assertEqual(self._box.get_string(key1),
self._template % "changed 1")
self.assertEqual(self._box.get_string(key2),
self._template % "changed 2")
def test_flush(self):
# Write changes to disk
self._test_flush_or_close(self._box.flush, True)
def test_popitem_and_flush_twice(self):
# See #15036.
self._box.add(self._template % 0)
self._box.add(self._template % 1)
self._box.flush()
self._box.popitem()
self._box.flush()
self._box.popitem()
self._box.flush()
def test_lock_unlock(self):
# Lock and unlock the mailbox
self.assertFalse(os.path.exists(self._get_lock_path()))
self._box.lock()
self.assertTrue(os.path.exists(self._get_lock_path()))
self._box.unlock()
self.assertFalse(os.path.exists(self._get_lock_path()))
def test_close(self):
# Close mailbox and flush changes to disk
self._test_flush_or_close(self._box.close, False)
def _test_flush_or_close(self, method, should_call_close):
contents = [self._template % i for i in range(3)]
self._box.add(contents[0])
self._box.add(contents[1])
self._box.add(contents[2])
oldbox = self._box
method()
if should_call_close:
self._box.close()
self._box = self._factory(self._path)
keys = self._box.keys()
self.assertEqual(len(keys), 3)
for key in keys:
self.assertIn(self._box.get_string(key), contents)
oldbox.close()
def test_use_context_manager(self):
# Mailboxes are usable as a context manager
with self._box as box:
self.assertIs(self._box, box)
def test_dump_message(self):
# Write message representations to disk
for input in (email.message_from_string(_sample_message),
_sample_message, io.BytesIO(_bytes_sample_message)):
output = io.BytesIO()
self._box._dump_message(input, output)
self.assertEqual(output.getvalue(),
_bytes_sample_message.replace(b'\n', os.linesep.encode()))
output = io.BytesIO()
self.assertRaises(TypeError,
lambda: self._box._dump_message(None, output))
def _get_lock_path(self):
# Return the path of the dot lock file. May be overridden.
return self._path + '.lock'
class TestMailboxSuperclass(TestBase, unittest.TestCase):
def test_notimplemented(self):
# Test that all Mailbox methods raise NotImplementedException.
box = mailbox.Mailbox('path')
self.assertRaises(NotImplementedError, lambda: box.add(''))
self.assertRaises(NotImplementedError, lambda: box.remove(''))
self.assertRaises(NotImplementedError, lambda: box.__delitem__(''))
self.assertRaises(NotImplementedError, lambda: box.discard(''))
self.assertRaises(NotImplementedError, lambda: box.__setitem__('', ''))
self.assertRaises(NotImplementedError, lambda: box.iterkeys())
self.assertRaises(NotImplementedError, lambda: box.keys())
self.assertRaises(NotImplementedError, lambda: box.itervalues().__next__())
self.assertRaises(NotImplementedError, lambda: box.__iter__().__next__())
self.assertRaises(NotImplementedError, lambda: box.values())
self.assertRaises(NotImplementedError, lambda: box.iteritems().__next__())
self.assertRaises(NotImplementedError, lambda: box.items())
self.assertRaises(NotImplementedError, lambda: box.get(''))
self.assertRaises(NotImplementedError, lambda: box.__getitem__(''))
self.assertRaises(NotImplementedError, lambda: box.get_message(''))
self.assertRaises(NotImplementedError, lambda: box.get_string(''))
self.assertRaises(NotImplementedError, lambda: box.get_bytes(''))
self.assertRaises(NotImplementedError, lambda: box.get_file(''))
self.assertRaises(NotImplementedError, lambda: '' in box)
self.assertRaises(NotImplementedError, lambda: box.__contains__(''))
self.assertRaises(NotImplementedError, lambda: box.__len__())
self.assertRaises(NotImplementedError, lambda: box.clear())
self.assertRaises(NotImplementedError, lambda: box.pop(''))
self.assertRaises(NotImplementedError, lambda: box.popitem())
self.assertRaises(NotImplementedError, lambda: box.update((('', ''),)))
self.assertRaises(NotImplementedError, lambda: box.flush())
self.assertRaises(NotImplementedError, lambda: box.lock())
self.assertRaises(NotImplementedError, lambda: box.unlock())
self.assertRaises(NotImplementedError, lambda: box.close())
class TestMaildir(TestMailbox, unittest.TestCase):
_factory = lambda self, path, factory=None: mailbox.Maildir(path, factory)
def setUp(self):
TestMailbox.setUp(self)
if (os.name == 'nt') or (sys.platform == 'cygwin'):
self._box.colon = '!'
def assertMailboxEmpty(self):
self.assertEqual(os.listdir(os.path.join(self._path, 'tmp')), [])
def test_add_MM(self):
# Add a MaildirMessage instance
msg = mailbox.MaildirMessage(self._template % 0)
msg.set_subdir('cur')
msg.set_info('foo')
key = self._box.add(msg)
self.assertTrue(os.path.exists(os.path.join(self._path, 'cur', '%s%sfoo' %
(key, self._box.colon))))
def test_get_MM(self):
# Get a MaildirMessage instance
msg = mailbox.MaildirMessage(self._template % 0)
msg.set_subdir('cur')
msg.set_flags('RF')
key = self._box.add(msg)
msg_returned = self._box.get_message(key)
self.assertIsInstance(msg_returned, mailbox.MaildirMessage)
self.assertEqual(msg_returned.get_subdir(), 'cur')
self.assertEqual(msg_returned.get_flags(), 'FR')
def test_set_MM(self):
# Set with a MaildirMessage instance
msg0 = mailbox.MaildirMessage(self._template % 0)
msg0.set_flags('TP')
key = self._box.add(msg0)
msg_returned = self._box.get_message(key)
self.assertEqual(msg_returned.get_subdir(), 'new')
self.assertEqual(msg_returned.get_flags(), 'PT')
msg1 = mailbox.MaildirMessage(self._template % 1)
self._box[key] = msg1
msg_returned = self._box.get_message(key)
self.assertEqual(msg_returned.get_subdir(), 'new')
self.assertEqual(msg_returned.get_flags(), '')
self.assertEqual(msg_returned.get_payload(), '1\n')
msg2 = mailbox.MaildirMessage(self._template % 2)
msg2.set_info('2,S')
self._box[key] = msg2
self._box[key] = self._template % 3
msg_returned = self._box.get_message(key)
self.assertEqual(msg_returned.get_subdir(), 'new')
self.assertEqual(msg_returned.get_flags(), 'S')
self.assertEqual(msg_returned.get_payload(), '3\n')
def test_consistent_factory(self):
# Add a message.
msg = mailbox.MaildirMessage(self._template % 0)
msg.set_subdir('cur')
msg.set_flags('RF')
key = self._box.add(msg)
# Create new mailbox with
class FakeMessage(mailbox.MaildirMessage):
pass
box = mailbox.Maildir(self._path, factory=FakeMessage)
box.colon = self._box.colon
msg2 = box.get_message(key)
self.assertIsInstance(msg2, FakeMessage)
def test_initialize_new(self):
# Initialize a non-existent mailbox
self.tearDown()
self._box = mailbox.Maildir(self._path)
self._check_basics()
self._delete_recursively(self._path)
self._box = self._factory(self._path, factory=None)
self._check_basics()
def test_initialize_existing(self):
# Initialize an existing mailbox
self.tearDown()
for subdir in '', 'tmp', 'new', 'cur':
os.mkdir(os.path.normpath(os.path.join(self._path, subdir)))
self._box = mailbox.Maildir(self._path)
self._check_basics()
def test_filename_leading_dot(self):
self.tearDown()
for subdir in '', 'tmp', 'new', 'cur':
os.mkdir(os.path.normpath(os.path.join(self._path, subdir)))
for subdir in 'tmp', 'new', 'cur':
fname = os.path.join(self._path, subdir, '.foo' + subdir)
with open(fname, 'wb') as f:
f.write(b"@")
self._box = mailbox.Maildir(self._path)
self.assertNotIn('.footmp', self._box)
self.assertNotIn('.foonew', self._box)
self.assertNotIn('.foocur', self._box)
self.assertEqual(list(self._box.iterkeys()), [])
def _check_basics(self, factory=None):
# (Used by test_open_new() and test_open_existing().)
self.assertEqual(self._box._path, os.path.abspath(self._path))
self.assertEqual(self._box._factory, factory)
for subdir in '', 'tmp', 'new', 'cur':
path = os.path.join(self._path, subdir)
self.assertTrue(os.path.isdir(path), f"Not a directory: {path!r}")
def test_list_folders(self):
# List folders
self._box.add_folder('one')
self._box.add_folder('two')
self._box.add_folder('three')
self.assertEqual(len(self._box.list_folders()), 3)
self.assertEqual(set(self._box.list_folders()),
set(('one', 'two', 'three')))
def test_get_folder(self):
# Open folders
self._box.add_folder('foo.bar')
folder0 = self._box.get_folder('foo.bar')
folder0.add(self._template % 'bar')
self.assertTrue(os.path.isdir(os.path.join(self._path, '.foo.bar')))
folder1 = self._box.get_folder('foo.bar')
self.assertEqual(folder1.get_string(folder1.keys()[0]),
self._template % 'bar')
def test_add_and_remove_folders(self):
# Delete folders
self._box.add_folder('one')
self._box.add_folder('two')
self.assertEqual(len(self._box.list_folders()), 2)
self.assertEqual(set(self._box.list_folders()), set(('one', 'two')))
self._box.remove_folder('one')
self.assertEqual(len(self._box.list_folders()), 1)
self.assertEqual(set(self._box.list_folders()), set(('two',)))
self._box.add_folder('three')
self.assertEqual(len(self._box.list_folders()), 2)
self.assertEqual(set(self._box.list_folders()), set(('two', 'three')))
self._box.remove_folder('three')
self.assertEqual(len(self._box.list_folders()), 1)
self.assertEqual(set(self._box.list_folders()), set(('two',)))
self._box.remove_folder('two')
self.assertEqual(len(self._box.list_folders()), 0)
self.assertEqual(self._box.list_folders(), [])
def test_clean(self):
# Remove old files from 'tmp'
foo_path = os.path.join(self._path, 'tmp', 'foo')
bar_path = os.path.join(self._path, 'tmp', 'bar')
with open(foo_path, 'w', encoding='utf-8') as f:
f.write("@")
with open(bar_path, 'w', encoding='utf-8') as f:
f.write("@")
self._box.clean()
self.assertTrue(os.path.exists(foo_path))
self.assertTrue(os.path.exists(bar_path))
foo_stat = os.stat(foo_path)
os.utime(foo_path, (time.time() - 129600 - 2,
foo_stat.st_mtime))
self._box.clean()
self.assertFalse(os.path.exists(foo_path))
self.assertTrue(os.path.exists(bar_path))
def test_create_tmp(self, repetitions=10):
# Create files in tmp directory
hostname = socket.gethostname()
if '/' in hostname:
hostname = hostname.replace('/', r'\057')
if ':' in hostname:
hostname = hostname.replace(':', r'\072')
pid = os.getpid()
pattern = re.compile(r"(?P<time>\d+)\.M(?P<M>\d{1,6})P(?P<P>\d+)"
r"Q(?P<Q>\d+)\.(?P<host>[^:/]*)")
previous_groups = None
for x in range(repetitions):
tmp_file = self._box._create_tmp()
head, tail = os.path.split(tmp_file.name)
self.assertEqual(head, os.path.abspath(os.path.join(self._path,
"tmp")),
"File in wrong location: '%s'" % head)
match = pattern.match(tail)
self.assertIsNotNone(match, "Invalid file name: '%s'" % tail)
groups = match.groups()
if previous_groups is not None:
self.assertGreaterEqual(int(groups[0]), int(previous_groups[0]),
"Non-monotonic seconds: '%s' before '%s'" %
(previous_groups[0], groups[0]))
if int(groups[0]) == int(previous_groups[0]):
self.assertGreaterEqual(int(groups[1]), int(previous_groups[1]),
"Non-monotonic milliseconds: '%s' before '%s'" %
(previous_groups[1], groups[1]))
self.assertEqual(int(groups[2]), pid,
"Process ID mismatch: '%s' should be '%s'" %
(groups[2], pid))
self.assertEqual(int(groups[3]), int(previous_groups[3]) + 1,
"Non-sequential counter: '%s' before '%s'" %
(previous_groups[3], groups[3]))
self.assertEqual(groups[4], hostname,
"Host name mismatch: '%s' should be '%s'" %
(groups[4], hostname))
previous_groups = groups
tmp_file.write(_bytes_sample_message)
tmp_file.seek(0)
self.assertEqual(tmp_file.read(), _bytes_sample_message)
tmp_file.close()
file_count = len(os.listdir(os.path.join(self._path, "tmp")))
self.assertEqual(file_count, repetitions,
"Wrong file count: '%s' should be '%s'" %
(file_count, repetitions))
def test_refresh(self):
# Update the table of contents
self.assertEqual(self._box._toc, {})
key0 = self._box.add(self._template % 0)
key1 = self._box.add(self._template % 1)
self.assertEqual(self._box._toc, {})
self._box._refresh()
self.assertEqual(self._box._toc, {key0: os.path.join('new', key0),
key1: os.path.join('new', key1)})
key2 = self._box.add(self._template % 2)
self.assertEqual(self._box._toc, {key0: os.path.join('new', key0),
key1: os.path.join('new', key1)})
self._box._refresh()
self.assertEqual(self._box._toc, {key0: os.path.join('new', key0),
key1: os.path.join('new', key1),
key2: os.path.join('new', key2)})
def test_refresh_after_safety_period(self):
# Issue #13254: Call _refresh after the "file system safety
# period" of 2 seconds has passed; _toc should still be
# updated because this is the first call to _refresh.
key0 = self._box.add(self._template % 0)
key1 = self._box.add(self._template % 1)
self._box = self._factory(self._path)
self.assertEqual(self._box._toc, {})
# Emulate sleeping. Instead of sleeping for 2 seconds, use the
# skew factor to make _refresh think that the filesystem
# safety period has passed and re-reading the _toc is only
# required if mtimes differ.
self._box._skewfactor = -3
self._box._refresh()
self.assertEqual(sorted(self._box._toc.keys()), sorted([key0, key1]))
def test_lookup(self):
# Look up message subpaths in the TOC
self.assertRaises(KeyError, lambda: self._box._lookup('foo'))
key0 = self._box.add(self._template % 0)
self.assertEqual(self._box._lookup(key0), os.path.join('new', key0))
os.remove(os.path.join(self._path, 'new', key0))
self.assertEqual(self._box._toc, {key0: os.path.join('new', key0)})
# Be sure that the TOC is read back from disk (see issue #6896
# about bad mtime behaviour on some systems).
self._box.flush()
self.assertRaises(KeyError, lambda: self._box._lookup(key0))
self.assertEqual(self._box._toc, {})
def test_lock_unlock(self):
# Lock and unlock the mailbox. For Maildir, this does nothing.
self._box.lock()
self._box.unlock()
def test_get_info(self):
# Test getting message info from Maildir, not the message.
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
self.assertEqual(self._box.get_info(key), '')
msg.set_info('OurTestInfo')
self._box[key] = msg
self.assertEqual(self._box.get_info(key), 'OurTestInfo')
def test_set_info(self):
# Test setting message info from Maildir, not the message.
# This should immediately rename the message file.
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
def check_info(oldinfo, newinfo):
oldfilename = os.path.join(self._box._path, self._box._lookup(key))
newsubpath = self._box._lookup(key).split(self._box.colon)[0]
if newinfo:
newsubpath += self._box.colon + newinfo
newfilename = os.path.join(self._box._path, newsubpath)
# assert initial conditions
self.assertEqual(self._box.get_info(key), oldinfo)
if not oldinfo:
self.assertNotIn(self._box._lookup(key), self._box.colon)
self.assertTrue(os.path.exists(oldfilename))
if oldinfo != newinfo:
self.assertFalse(os.path.exists(newfilename))
# do the rename
self._box.set_info(key, newinfo)
# assert post conditions
if not newinfo:
self.assertNotIn(self._box._lookup(key), self._box.colon)
if oldinfo != newinfo:
self.assertFalse(os.path.exists(oldfilename))
self.assertTrue(os.path.exists(newfilename))
self.assertEqual(self._box.get_info(key), newinfo)
# none -> has info
check_info('', 'info1')
# has info -> same info
check_info('info1', 'info1')
# has info -> different info
check_info('info1', 'info2')
# has info -> none
check_info('info2', '')
# none -> none
check_info('', '')
def test_get_flags(self):
# Test getting message flags from Maildir, not the message.
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
self.assertEqual(self._box.get_flags(key), '')
msg.set_flags('T')
self._box[key] = msg
self.assertEqual(self._box.get_flags(key), 'T')
def test_set_flags(self):
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
self.assertEqual(self._box.get_flags(key), '')
self._box.set_flags(key, 'S')
self.assertEqual(self._box.get_flags(key), 'S')
def test_add_flag(self):
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
self.assertEqual(self._box.get_flags(key), '')
self._box.add_flag(key, 'B')
self.assertEqual(self._box.get_flags(key), 'B')
self._box.add_flag(key, 'B')
self.assertEqual(self._box.get_flags(key), 'B')
self._box.add_flag(key, 'AC')
self.assertEqual(self._box.get_flags(key), 'ABC')
def test_remove_flag(self):
msg = mailbox.MaildirMessage(self._template % 0)
key = self._box.add(msg)
self._box.set_flags(key, 'abc')
self.assertEqual(self._box.get_flags(key), 'abc')
self._box.remove_flag(key, 'b')
self.assertEqual(self._box.get_flags(key), 'ac')
self._box.remove_flag(key, 'b')
self.assertEqual(self._box.get_flags(key), 'ac')
self._box.remove_flag(key, 'ac')
self.assertEqual(self._box.get_flags(key), '')
def test_folder (self):
# Test for bug #1569790: verify that folders returned by .get_folder()
# use the same factory function.
def dummy_factory (s):
return None
box = self._factory(self._path, factory=dummy_factory)
folder = box.add_folder('folder1')
self.assertIs(folder._factory, dummy_factory)
folder1_alias = box.get_folder('folder1')
self.assertIs(folder1_alias._factory, dummy_factory)
def test_directory_in_folder (self):
# Test that mailboxes still work if there's a stray extra directory
# in a folder.
for i in range(10):
self._box.add(mailbox.Message(_sample_message))
# Create a stray directory
os.mkdir(os.path.join(self._path, 'cur', 'stray-dir'))
# Check that looping still works with the directory present.
for msg in self._box:
pass
@unittest.skipUnless(hasattr(os, 'umask'), 'test needs os.umask()')
def test_file_permissions(self):
# Verify that message files are created without execute permissions
msg = mailbox.MaildirMessage(self._template % 0)
orig_umask = os.umask(0)
try:
key = self._box.add(msg)
finally:
os.umask(orig_umask)
path = os.path.join(self._path, self._box._lookup(key))
mode = os.stat(path).st_mode
self.assertFalse(mode & 0o111)
@unittest.skipUnless(hasattr(os, 'umask'), 'test needs os.umask()')
def test_folder_file_perms(self):
# From bug #3228, we want to verify that the file created inside a Maildir
# subfolder isn't marked as executable.
orig_umask = os.umask(0)
try:
subfolder = self._box.add_folder('subfolder')