Viewing file:  test_mimetypes.py (2.51 KB) -rw-r--r--
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import mimetypes
import StringIO
import unittest
from sets import Set
from test import test_support
# Tell it we don't know about external files:
mimetypes.knownfiles = []
mimetypes.inited = False
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"))
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.failUnless
# 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, [])
def test_main():
test_support.run_unittest(MimeTypesTestCase)
if __name__ == "__main__":
test_main()
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