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# coding: utf-8
import os
from io import BytesIO
import pytest
from requests import compat
from requests.utils import (
address_in_network, dotted_netmask,
get_auth_from_url, get_encodings_from_content,
get_environ_proxies, guess_filename,
is_ipv4_address, is_valid_cidr, requote_uri,
select_proxy, super_len)
from .compat import StringIO, cStringIO
class TestSuperLen:
@pytest.mark.parametrize(
'stream, value', (
(StringIO.StringIO, 'Test'),
(BytesIO, b'Test'),
pytest.mark.skipif('cStringIO is None')((cStringIO, 'Test')),
))
def test_io_streams(self, stream, value):
"""Ensures that we properly deal with different kinds of IO streams."""
assert super_len(stream()) == 0
assert super_len(stream(value)) == 4
def test_super_len_correctly_calculates_len_of_partially_read_file(self):
"""Ensure that we handle partially consumed file like objects."""
s = StringIO.StringIO()
s.write('foobarbogus')
assert super_len(s) == 0
class TestGetEnvironProxies:
"""Ensures that IP addresses are correctly matches with ranges
in no_proxy variable."""
@pytest.yield_fixture(scope='class', autouse=True, params=['no_proxy', 'NO_PROXY'])
def no_proxy(self, request):
os.environ[request.param] = '192.168.0.0/24,127.0.0.1,localhost.localdomain,172.16.1.1'
yield
del os.environ[request.param]
@pytest.mark.parametrize(
'url', (
'http://192.168.0.1:5000/',
'http://192.168.0.1/',
'http://172.16.1.1/',
'http://172.16.1.1:5000/',
'http://localhost.localdomain:5000/v1.0/',
))
def test_bypass(self, url):
assert get_environ_proxies(url) == {}
@pytest.mark.parametrize(
'url', (
'http://192.168.1.1:5000/',
'http://192.168.1.1/',
'http://www.requests.com/',
))
def test_not_bypass(self, url):
assert get_environ_proxies(url) != {}
class TestIsIPv4Address:
def test_valid(self):
assert is_ipv4_address('8.8.8.8')
@pytest.mark.parametrize('value', ('8.8.8.8.8', 'localhost.localdomain'))
def test_invalid(self, value):
assert not is_ipv4_address(value)
class TestIsValidCIDR:
def test_valid(self):
assert is_valid_cidr('192.168.1.0/24')
@pytest.mark.parametrize(
'value', (
'8.8.8.8',
'192.168.1.0/a',
'192.168.1.0/128',
'192.168.1.0/-1',
'192.168.1.999/24',
))
def test_invalid(self, value):
assert not is_valid_cidr(value)
class TestAddressInNetwork:
def test_valid(self):
assert address_in_network('192.168.1.1', '192.168.1.0/24')
def test_invalid(self):
assert not address_in_network('172.16.0.1', '192.168.1.0/24')
class TestGuessFilename:
@pytest.mark.parametrize(
'value', (1, type('Fake', (object,), {'name': 1})()),
)
def test_guess_filename_invalid(self, value):
assert guess_filename(value) is None
@pytest.mark.parametrize(
'value, expected_type', (
(b'value', compat.bytes),
(b'value'.decode('utf-8'), compat.str)
))
def test_guess_filename_valid(self, value, expected_type):
obj = type('Fake', (object,), {'name': value})()
result = guess_filename(obj)
assert result == value
assert isinstance(result, expected_type)
class TestContentEncodingDetection:
def test_none(self):
encodings = get_encodings_from_content('')
assert not len(encodings)
@pytest.mark.parametrize(
'content', (
# HTML5 meta charset attribute
'<meta charset="UTF-8">',
# HTML4 pragma directive
'<meta http-equiv="Content-type" content="text/html;charset=UTF-8">',
# XHTML 1.x served with text/html MIME type
'<meta http-equiv="Content-type" content="text/html;charset=UTF-8" />',
# XHTML 1.x served as XML
'<?xml version="1.0" encoding="UTF-8"?>',
))
def test_pragmas(self, content):
encodings = get_encodings_from_content(content)
assert len(encodings) == 1
assert encodings[0] == 'UTF-8'
def test_precedence(self):
content = '''
<?xml version="1.0" encoding="XML"?>
<meta charset="HTML5">
<meta http-equiv="Content-type" content="text/html;charset=HTML4" />
'''.strip()
assert get_encodings_from_content(content) == ['HTML5', 'HTML4', 'XML']
USER = PASSWORD = "%!*'();:@&=+$,/?#[] "
ENCODED_USER = compat.quote(USER, '')
ENCODED_PASSWORD = compat.quote(PASSWORD, '')
@pytest.mark.parametrize(
'url, auth', (
(
'http://' + ENCODED_USER + ':' + ENCODED_PASSWORD + '@' +
'request.com/url.html#test',
(USER, PASSWORD)
),
(
'http://user:pass@complex.url.com/path?query=yes',
('user', 'pass')
),
(
'http://user:pass%20pass@complex.url.com/path?query=yes',
('user', 'pass pass')
),
(
'http://user:pass pass@complex.url.com/path?query=yes',
('user', 'pass pass')
),
(
'http://user%25user:pass@complex.url.com/path?query=yes',
('user%user', 'pass')
),
(
'http://user:pass%23pass@complex.url.com/path?query=yes',
('user', 'pass#pass')
),
))
def test_get_auth_from_url(url, auth):
assert get_auth_from_url(url) == auth
@pytest.mark.parametrize(
'uri, expected', (
(
# Ensure requoting doesn't break expectations
'http://example.com/fiz?buz=%25ppicture',
'http://example.com/fiz?buz=%25ppicture',
),
(
# Ensure we handle unquoted percent signs in redirects
'http://example.com/fiz?buz=%ppicture',
'http://example.com/fiz?buz=%25ppicture',
),
))
def test_requote_uri_with_unquoted_percents(uri, expected):
"""See: https://github.com/kennethreitz/requests/issues/2356
"""
assert requote_uri(uri) == expected
@pytest.mark.parametrize(
'mask, expected', (
(8, '255.0.0.0'),
(24, '255.255.255.0'),
(25, '255.255.255.128'),
))
def test_dotted_netmask(mask, expected):
assert dotted_netmask(mask) == expected
@pytest.mark.parametrize(
'url, expected', (
('hTTp://u:p@Some.Host/path', 'http://some.host.proxy'),
('hTTp://u:p@Other.Host/path', 'http://http.proxy'),
('hTTps://Other.Host', None),
))
def test_select_proxies(url, expected):
"""Make sure we can select per-host proxies correctly."""
proxies = {'http': 'http://http.proxy',
'http://some.host': 'http://some.host.proxy'}
assert select_proxy(url, proxies) == expected
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