python类utils()的实例源码

def test_get_environ_proxies(self):
        """Ensures that IP addresses are correctly matches with ranges
        in no_proxy variable."""
        from requests.utils import get_environ_proxies
        os.environ['no_proxy'] = "127.0.0.1,localhost.localdomain,192.168.0.0/24,172.16.1.1"
        assert get_environ_proxies(
            'http://localhost.localdomain:5000/v1.0/') == {}
        assert get_environ_proxies('http://www.requests.com/') != {}

def test_guess_filename_when_int(self):
        from requests.utils import guess_filename
        assert None is guess_filename(1)

def test_guess_filename_with_file_like_obj(self):
        from requests.utils import guess_filename
        from requests import compat
        fake = type('Fake', (object,), {'name': b'value'})()
        guessed_name = guess_filename(fake)
        assert b'value' == guessed_name
        assert isinstance(guessed_name, compat.bytes)

def test_guess_filename_with_unicode_name(self):
        from requests.utils import guess_filename
        from requests import compat
        filename = b'value'.decode('utf-8')
        fake = type('Fake', (object,), {'name': filename})()
        guessed_name = guess_filename(fake)
        assert filename == guessed_name
        assert isinstance(guessed_name, compat.str)

def test_is_ipv4_address(self):
        from requests.utils import is_ipv4_address
        assert is_ipv4_address('8.8.8.8')
        assert not is_ipv4_address('8.8.8.8.8')
        assert not is_ipv4_address('localhost.localdomain')

def test_is_valid_cidr(self):
        from requests.utils import is_valid_cidr
        assert not is_valid_cidr('8.8.8.8')
        assert is_valid_cidr('192.168.1.0/24')

def test_dotted_netmask(self):
        from requests.utils import dotted_netmask
        assert dotted_netmask(8) == '255.0.0.0'
        assert dotted_netmask(24) == '255.255.255.0'
        assert dotted_netmask(25) == '255.255.255.128'

def test_get_auth_from_url(self):
        """Ensures that username and password in well-encoded URI as per
        RFC 3986 are correclty extracted."""
        from requests.utils import get_auth_from_url
        from requests.compat import quote
        percent_encoding_test_chars = "%!*'();:@&=+$,/?#[] "
        url_address = "request.com/url.html#test"
        url = "http://" + quote(
            percent_encoding_test_chars, '') + ':' + quote(
            percent_encoding_test_chars, '') + '@' + url_address
        (username, password) = get_auth_from_url(url)
        assert username == percent_encoding_test_chars
        assert password == percent_encoding_test_chars

def test_requote_uri_with_unquoted_percents(self):
        """Ensure we handle unquoted percent signs in redirects.

        See: https://github.com/kennethreitz/requests/issues/2356
        """
        from requests.utils import requote_uri
        bad_uri = 'http://example.com/fiz?buz=%ppicture'
        quoted = 'http://example.com/fiz?buz=%25ppicture'
        assert quoted == requote_uri(bad_uri)

def test_requote_uri_properly_requotes(self):
        """Ensure requoting doesn't break expectations."""
        from requests.utils import requote_uri
        quoted = 'http://example.com/fiz?buz=%25ppicture'
        assert quoted == requote_uri(quoted)