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# -*- coding: utf-8 -*-
import mimetypes
import StringIO
import unittest
import sys
from test import test_support
# Tell it we don't know about external files:
mimetypes.knownfiles = []
mimetypes.inited = False
mimetypes._default_mime_types()
class MimeTypesTestCase(unittest.TestCase):
def setUp(self):
self.db = mimetypes.MimeTypes()
def test_default_data(self):
eq = self.assertEqual
eq(self.db.guess_type("foo.html"), ("text/html", None))
eq(self.db.guess_type("foo.tgz"), ("application/x-tar", "gzip"))
eq(self.db.guess_type("foo.tar.gz"), ("application/x-tar", "gzip"))
eq(self.db.guess_type("foo.tar.Z"), ("application/x-tar", "compress"))
eq(self.db.guess_type("foo.tar.bz2"), ("application/x-tar", "bzip2"))
eq(self.db.guess_type("foo.tar.xz"), ("application/x-tar", "xz"))
def test_data_urls(self):
eq = self.assertEqual
guess_type = self.db.guess_type
eq(guess_type("data:,thisIsTextPlain"), ("text/plain", None))
eq(guess_type("data:;base64,thisIsTextPlain"), ("text/plain", None))
eq(guess_type("data:text/x-foo,thisIsTextXFoo"), ("text/x-foo", None))
def test_file_parsing(self):
eq = self.assertEqual
sio = StringIO.StringIO("x-application/x-unittest pyunit\n")
self.db.readfp(sio)
eq(self.db.guess_type("foo.pyunit"),
("x-application/x-unittest", None))
eq(self.db.guess_extension("x-application/x-unittest"), ".pyunit")
def test_non_standard_types(self):
eq = self.assertEqual
# First try strict
eq(self.db.guess_type('foo.xul', strict=True), (None, None))
eq(self.db.guess_extension('image/jpg', strict=True), None)
# And then non-strict
eq(self.db.guess_type('foo.xul', strict=False), ('text/xul', None))
eq(self.db.guess_extension('image/jpg', strict=False), '.jpg')
def test_guess_all_types(self):
eq = self.assertEqual
unless = self.assertTrue
# First try strict. Use a set here for testing the results because if
# test_urllib2 is run before test_mimetypes, global state is modified
# such that the 'all' set will have more items in it.
all = set(self.db.guess_all_extensions('text/plain', strict=True))
unless(all >= set(['.bat', '.c', '.h', '.ksh', '.pl', '.txt']))
# And now non-strict
all = self.db.guess_all_extensions('image/jpg', strict=False)
all.sort()
eq(all, ['.jpg'])
# And now for no hits
all = self.db.guess_all_extensions('image/jpg', strict=True)
eq(all, [])
@unittest.skipUnless(sys.platform.startswith("win"), "Windows only")
class Win32MimeTypesTestCase(unittest.TestCase):
def setUp(self):
# ensure all entries actually come from the Windows registry
self.original_types_map = mimetypes.types_map.copy()
mimetypes.types_map.clear()
def tearDown(self):
# restore default settings
mimetypes.types_map.clear()
mimetypes.types_map.update(self.original_types_map)
def test_registry_parsing(self):
# the original, minimum contents of the MIME database in the
# Windows registry is undocumented AFAIK.
# Use file types that should *always* exist:
eq = self.assertEqual
mimetypes.init()
db = mimetypes.MimeTypes()
eq(db.guess_type("foo.txt"), ("text/plain", None))
eq(db.guess_type("image.jpg"), ("image/jpeg", None))
eq(db.guess_type("image.png"), ("image/png", None))
def test_non_latin_extension(self):
import _winreg
class MockWinreg(object):
def __getattr__(self, name):
if name == 'EnumKey':
return lambda key, i: _winreg.EnumKey(key, i) + "\xa3"
elif name == 'OpenKey':
return lambda key, name: _winreg.OpenKey(key, name.rstrip("\xa3"))
elif name == 'QueryValueEx':
return lambda subkey, label: (u'текст/простой' , _winreg.REG_SZ)
return getattr(_winreg, name)
mimetypes._winreg = MockWinreg()
try:
# this used to throw an exception if registry contained non-Latin
# characters in extensions (issue #9291)
mimetypes.init()
finally:
mimetypes._winreg = _winreg
def test_non_latin_type(self):
import _winreg
class MockWinreg(object):
def __getattr__(self, name):
if name == 'QueryValueEx':
return lambda subkey, label: (u'текст/простой', _winreg.REG_SZ)
return getattr(_winreg, name)
mimetypes._winreg = MockWinreg()
try:
# this used to throw an exception if registry contained non-Latin
# characters in content types (issue #9291)
mimetypes.init()
finally:
mimetypes._winreg = _winreg
def test_type_map_values(self):
import _winreg
class MockWinreg(object):
def __getattr__(self, name):
if name == 'QueryValueEx':
return lambda subkey, label: (u'text/plain', _winreg.REG_SZ)
return getattr(_winreg, name)
mimetypes._winreg = MockWinreg()
try:
mimetypes.init()
self.assertTrue(isinstance(mimetypes.types_map.values()[0], str))
finally:
mimetypes._winreg = _winreg
def test_registry_read_error(self):
import _winreg
class MockWinreg(object):
def OpenKey(self, key, name):
if key != _winreg.HKEY_CLASSES_ROOT:
raise WindowsError(5, "Access is denied")
return _winreg.OpenKey(key, name)
def __getattr__(self, name):
return getattr(_winreg, name)
mimetypes._winreg = MockWinreg()
try:
mimetypes.init()
finally:
mimetypes._winreg = _winreg
def test_main():
test_support.run_unittest(MimeTypesTestCase,
Win32MimeTypesTestCase
)
if __name__ == "__main__":
test_main()
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