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from __future__ import with_statement
import os
import unittest
import tempfile
import shutil
from chameleon.utils import unicode_string
from chameleon.utils import encode_string
class TypeSniffingTestCase(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp(prefix='chameleon-tests')
def tearDown(self):
shutil.rmtree(self.tempdir)
def _get_temporary_file(self):
filename = os.path.join(self.tempdir, 'template.py')
assert not os.path.exists(filename)
f = open(filename, 'w')
f.flush()
f.close()
return filename
def get_template(self, text):
fn = self._get_temporary_file()
with open(fn, 'wb') as tmpfile:
tmpfile.write(text)
from chameleon.template import BaseTemplateFile
class DummyTemplateFile(BaseTemplateFile):
def cook(self, body):
self.body = body
template = DummyTemplateFile(fn)
template.cook_check()
return template
def check_content_type(self, text, expected_type):
from chameleon.utils import read_bytes
content_type = read_bytes(text, 'ascii')[2]
self.assertEqual(content_type, expected_type)
def test_xml_encoding(self):
from chameleon.utils import xml_prefixes
document1 = unicode_string(
"<?xml version='1.0' encoding='ascii'?><doc/>"
)
document2 = unicode_string(
"<?xml\tversion='1.0' encoding='ascii'?><doc/>"
)
for bom, encoding in xml_prefixes:
try:
"".encode(encoding)
except LookupError:
# System does not support this encoding
continue
self.check_content_type(document1.encode(encoding), "text/xml")
self.check_content_type(document2.encode(encoding), "text/xml")
HTML_PUBLIC_ID = "-//W3C//DTD HTML 4.01 Transitional//EN"
HTML_SYSTEM_ID = "http://www.w3.org/TR/html4/loose.dtd"
# Couldn't find the code that handles this... yet.
# def test_sniffer_html_ascii(self):
# self.check_content_type(
# "<!DOCTYPE html [ SYSTEM '%s' ]><html></html>"
# % self.HTML_SYSTEM_ID,
# "text/html")
# self.check_content_type(
# "<html><head><title>sample document</title></head></html>",
# "text/html")
# TODO: This reflects a case that simply isn't handled by the
# sniffer; there are many, but it gets it right more often than
# before.
def donttest_sniffer_xml_simple(self):
self.check_content_type("<doc><element/></doc>", "text/xml")
def test_html_default_encoding(self):
body = encode_string(
'<html><head><title>' \
'\xc3\x90\xc2\xa2\xc3\x90\xc2\xb5' \
'\xc3\x91\xc2\x81\xc3\x91\xc2\x82' \
'</title></head></html>')
template = self.get_template(body)
self.assertEqual(template.body, body.decode('utf-8'))
def test_html_encoding_by_meta(self):
body = encode_string(
'<html><head><title>' \
'\xc3\x92\xc3\xa5\xc3\xb1\xc3\xb2' \
'</title><meta http-equiv="Content-Type"' \
' content="text/html; charset=windows-1251"/>' \
"</head></html>")
template = self.get_template(body)
self.assertEqual(template.body, body.decode('windows-1251'))
def test_xhtml(self):
body = encode_string(
'<html><head><title>' \
'\xc3\x92\xc3\xa5\xc3\xb1\xc3\xb2' \
'</title><meta http-equiv="Content-Type"' \
' content="text/html; charset=windows-1251"/>' \
"</head></html>")
template = self.get_template(body)
self.assertEqual(template.body, body.decode('windows-1251'))
def test_suite():
return unittest.makeSuite(TypeSniffingTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")