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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
HTTP errors.
"""

from __future__ import division, absolute_import

import re
import sys
import traceback

from twisted.trial import unittest
from twisted.python.compat import nativeString, _PY3
from twisted.web import error
from twisted.web.template import Tag



class CodeToMessageTests(unittest.TestCase):
    """
    L{_codeToMessages} inverts L{_responses.RESPONSES}
    """
    def test_validCode(self):
        m = error._codeToMessage(b"302")
        self.assertEqual(m, b"Found")


    def test_invalidCode(self):
        m = error._codeToMessage(b"987")
        self.assertEqual(m, None)


    def test_nonintegerCode(self):
        m = error._codeToMessage(b"InvalidCode")
        self.assertEqual(m, None)



class ErrorTests(unittest.TestCase):
    """
    Tests for how L{Error} attributes are initialized.
    """
    def test_noMessageValidStatus(self):
        """
        If no C{message} argument is passed to the L{Error} constructor and the
        C{code} argument is a valid HTTP status code, C{code} is mapped to a
        descriptive string to which C{message} is assigned.
        """
        e = error.Error(b"200")
        self.assertEqual(e.message, b"OK")


    def test_noMessageInvalidStatus(self):
        """
        If no C{message} argument is passed to the L{Error} constructor and
        C{code} isn't a valid HTTP status code, C{message} stays L{None}.
        """
        e = error.Error(b"InvalidCode")
        self.assertEqual(e.message, None)


    def test_messageExists(self):
        """
        If a C{message} argument is passed to the L{Error} constructor, the
        C{message} isn't affected by the value of C{status}.
        """
        e = error.Error(b"200", b"My own message")
        self.assertEqual(e.message, b"My own message")


    def test_str(self):
        """
        C{str()} on an L{Error} returns the code and message it was
        instantiated with.
        """
        # Bytestring status
        e = error.Error(b"200", b"OK")
        self.assertEqual(str(e), "200 OK")

        # int status
        e = error.Error(200, b"OK")
        self.assertEqual(str(e), "200 OK")



class PageRedirectTests(unittest.TestCase):
    """
    Tests for how L{PageRedirect} attributes are initialized.
    """
    def test_noMessageValidStatus(self):
        """
        If no C{message} argument is passed to the L{PageRedirect} constructor
        and the C{code} argument is a valid HTTP status code, C{code} is mapped
        to a descriptive string to which C{message} is assigned.
        """
        e = error.PageRedirect(b"200", location=b"/foo")
        self.assertEqual(e.message, b"OK to /foo")


    def test_noMessageValidStatusNoLocation(self):
        """
        If no C{message} argument is passed to the L{PageRedirect} constructor
        and C{location} is also empty and the C{code} argument is a valid HTTP
        status code, C{code} is mapped to a descriptive string to which
        C{message} is assigned without trying to include an empty location.
        """
        e = error.PageRedirect(b"200")
        self.assertEqual(e.message, b"OK")


    def test_noMessageInvalidStatusLocationExists(self):
        """
        If no C{message} argument is passed to the L{PageRedirect} constructor
        and C{code} isn't a valid HTTP status code, C{message} stays L{None}.
        """
        e = error.PageRedirect(b"InvalidCode", location=b"/foo")
        self.assertEqual(e.message, None)


    def test_messageExistsLocationExists(self):
        """
        If a C{message} argument is passed to the L{PageRedirect} constructor,
        the C{message} isn't affected by the value of C{status}.
        """
        e = error.PageRedirect(b"200", b"My own message", location=b"/foo")
        self.assertEqual(e.message, b"My own message to /foo")


    def test_messageExistsNoLocation(self):
        """
        If a C{message} argument is passed to the L{PageRedirect} constructor
        and no location is provided, C{message} doesn't try to include the
        empty location.
        """
        e = error.PageRedirect(b"200", b"My own message")
        self.assertEqual(e.message, b"My own message")



class InfiniteRedirectionTests(unittest.TestCase):
    """
    Tests for how L{InfiniteRedirection} attributes are initialized.
    """
    def test_noMessageValidStatus(self):
        """
        If no C{message} argument is passed to the L{InfiniteRedirection}
        constructor and the C{code} argument is a valid HTTP status code,
        C{code} is mapped to a descriptive string to which C{message} is
        assigned.
        """
        e = error.InfiniteRedirection(b"200", location=b"/foo")
        self.assertEqual(e.message, b"OK to /foo")


    def test_noMessageValidStatusNoLocation(self):
        """
        If no C{message} argument is passed to the L{InfiniteRedirection}
        constructor and C{location} is also empty and the C{code} argument is a
        valid HTTP status code, C{code} is mapped to a descriptive string to
        which C{message} is assigned without trying to include an empty
        location.
        """
        e = error.InfiniteRedirection(b"200")
        self.assertEqual(e.message, b"OK")


    def test_noMessageInvalidStatusLocationExists(self):
        """
        If no C{message} argument is passed to the L{InfiniteRedirection}
        constructor and C{code} isn't a valid HTTP status code, C{message} stays
        L{None}.
        """
        e = error.InfiniteRedirection(b"InvalidCode", location=b"/foo")
        self.assertEqual(e.message, None)


    def test_messageExistsLocationExists(self):
        """
        If a C{message} argument is passed to the L{InfiniteRedirection}
        constructor, the C{message} isn't affected by the value of C{status}.
        """
        e = error.InfiniteRedirection(b"200", b"My own message",
                                      location=b"/foo")
        self.assertEqual(e.message, b"My own message to /foo")


    def test_messageExistsNoLocation(self):
        """
        If a C{message} argument is passed to the L{InfiniteRedirection}
        constructor and no location is provided, C{message} doesn't try to
        include the empty location.
        """
        e = error.InfiniteRedirection(b"200", b"My own message")
        self.assertEqual(e.message, b"My own message")



class RedirectWithNoLocationTests(unittest.TestCase):
    """
    L{RedirectWithNoLocation} is a subclass of L{Error} which sets
    a custom message in the constructor.
    """
    def test_validMessage(self):
        """
        When C{code}, C{message}, and C{uri} are passed to the
        L{RedirectWithNoLocation} constructor, the C{message} and C{uri}
        attributes are set, respectively.
        """
        e = error.RedirectWithNoLocation(b"302", b"REDIRECT",
                                         b"https://example.com")
        self.assertEqual(e.message, b"REDIRECT to https://example.com")
        self.assertEqual(e.uri, b"https://example.com")



class MissingRenderMethodTests(unittest.TestCase):
    """
    Tests for how L{MissingRenderMethod} exceptions are initialized and
    displayed.
    """
    def test_constructor(self):
        """
        Given C{element} and C{renderName} arguments, the
        L{MissingRenderMethod} constructor assigns the values to the
        corresponding attributes.
        """
        elt = object()
        e = error.MissingRenderMethod(elt, 'renderThing')
        self.assertIs(e.element, elt)
        self.assertIs(e.renderName, 'renderThing')


    def test_repr(self):
        """
        A L{MissingRenderMethod} is represented using a custom string
        containing the element's representation and the method name.
        """
        elt = object()
        e = error.MissingRenderMethod(elt, 'renderThing')
        self.assertEqual(
            repr(e),
            ("'MissingRenderMethod': "
             "%r had no render method named 'renderThing'") % elt)



class MissingTemplateLoaderTests(unittest.TestCase):
    """
    Tests for how L{MissingTemplateLoader} exceptions are initialized and
    displayed.
    """
    def test_constructor(self):
        """
        Given an C{element} argument, the L{MissingTemplateLoader} constructor
        assigns the value to the corresponding attribute.
        """
        elt = object()
        e = error.MissingTemplateLoader(elt)
        self.assertIs(e.element, elt)


    def test_repr(self):
        """
        A L{MissingTemplateLoader} is represented using a custom string
        containing the element's representation and the method name.
        """
        elt = object()
        e = error.MissingTemplateLoader(elt)
        self.assertEqual(
            repr(e),
            "'MissingTemplateLoader': %r had no loader" % elt)



class FlattenerErrorTests(unittest.TestCase):
    """
    Tests for L{FlattenerError}.
    """
    def makeFlattenerError(self, roots=[]):
        try:
            raise RuntimeError("oh noes")
        except Exception as e:
            tb = traceback.extract_tb(sys.exc_info()[2])
            return error.FlattenerError(e, roots, tb)


    def fakeFormatRoot(self, obj):
        return 'R(%s)' % obj


    def test_constructor(self):
        """
        Given C{exception}, C{roots}, and C{traceback} arguments, the
        L{FlattenerError} constructor assigns the roots to the C{_roots}
        attribute.
        """
        e = self.makeFlattenerError(roots=['a', 'b'])
        self.assertEqual(e._roots, ['a', 'b'])


    def test_str(self):
        """
        The string form of a L{FlattenerError} is identical to its
        representation.
        """
        e = self.makeFlattenerError()
        self.assertEqual(str(e), repr(e))


    def test_reprWithRootsAndWithTraceback(self):
        """
        The representation of a L{FlattenerError} initialized with roots and a
        traceback contains a formatted representation of those roots (using
        C{_formatRoot}) and a formatted traceback.
        """
        e = self.makeFlattenerError(['a', 'b'])
        e._formatRoot = self.fakeFormatRoot
        self.assertTrue(
            re.match('Exception while flattening:\n'
                     '  R\(a\)\n'
                     '  R\(b\)\n'
                     '  File "[^"]*", line [0-9]*, in makeFlattenerError\n'
                     '    raise RuntimeError\("oh noes"\)\n'
                     'RuntimeError: oh noes\n$',
                     repr(e), re.M | re.S),
            repr(e))


    def test_reprWithoutRootsAndWithTraceback(self):
        """
        The representation of a L{FlattenerError} initialized without roots but
        with a traceback contains a formatted traceback but no roots.
        """
        e = self.makeFlattenerError([])
        self.assertTrue(
            re.match('Exception while flattening:\n'
                     '  File "[^"]*", line [0-9]*, in makeFlattenerError\n'
                     '    raise RuntimeError\("oh noes"\)\n'
                     'RuntimeError: oh noes\n$',
                     repr(e), re.M | re.S),
            repr(e))


    def test_reprWithoutRootsAndWithoutTraceback(self):
        """
        The representation of a L{FlattenerError} initialized without roots but
        with a traceback contains a formatted traceback but no roots.
        """
        e = error.FlattenerError(RuntimeError("oh noes"), [], None)
        self.assertTrue(
            re.match('Exception while flattening:\n'
                     'RuntimeError: oh noes\n$',
                     repr(e), re.M | re.S),
            repr(e))


    def test_formatRootShortUnicodeString(self):
        """
        The C{_formatRoot} method formats a short unicode string using the
        built-in repr.
        """
        e = self.makeFlattenerError()
        self.assertEqual(e._formatRoot(nativeString('abcd')), repr('abcd'))


    def test_formatRootLongUnicodeString(self):
        """
        The C{_formatRoot} method formats a long unicode string using the
        built-in repr with an ellipsis.
        """
        e = self.makeFlattenerError()
        longString = nativeString('abcde-' * 20)
        self.assertEqual(e._formatRoot(longString),
                        repr('abcde-abcde-abcde-ab<...>e-abcde-abcde-abcde-'))


    def test_formatRootShortByteString(self):
        """
        The C{_formatRoot} method formats a short byte string using the
        built-in repr.
        """
        e = self.makeFlattenerError()
        self.assertEqual(e._formatRoot(b'abcd'), repr(b'abcd'))


    def test_formatRootLongByteString(self):
        """
        The C{_formatRoot} method formats a long byte string using the
        built-in repr with an ellipsis.
        """
        e = self.makeFlattenerError()
        longString = b'abcde-' * 20
        self.assertEqual(e._formatRoot(longString),
                        repr(b'abcde-abcde-abcde-ab<...>e-abcde-abcde-abcde-'))


    def test_formatRootTagNoFilename(self):
        """
        The C{_formatRoot} method formats a C{Tag} with no filename information
        as 'Tag <tagName>'.
        """
        e = self.makeFlattenerError()
        self.assertEqual(e._formatRoot(Tag('a-tag')), 'Tag <a-tag>')


    def test_formatRootTagWithFilename(self):
        """
        The C{_formatRoot} method formats a C{Tag} with filename information
        using the filename, line, column, and tag information
        """
        e = self.makeFlattenerError()
        t = Tag('a-tag', filename='tpl.py', lineNumber=10, columnNumber=20)
        self.assertEqual(e._formatRoot(t),
                         'File "tpl.py", line 10, column 20, in "a-tag"')


    def test_string(self):
        """
        If a L{FlattenerError} is created with a string root, up to around 40
        bytes from that string are included in the string representation of the
        exception.
        """
        self.assertEqual(
            str(error.FlattenerError(RuntimeError("reason"),
                                     ['abc123xyz'], [])),
            "Exception while flattening:\n"
            "  'abc123xyz'\n"
            "RuntimeError: reason\n")
        self.assertEqual(
            str(error.FlattenerError(
                    RuntimeError("reason"), ['0123456789' * 10], [])),
            "Exception while flattening:\n"
            "  '01234567890123456789"
            "<...>01234567890123456789'\n" # TODO: re-add 0
            "RuntimeError: reason\n")


    def test_unicode(self):
        """
        If a L{FlattenerError} is created with a unicode root, up to around 40
        characters from that string are included in the string representation
        of the exception.
        """
        # the response includes the output of repr(), which differs between
        # Python 2 and 3
        u = {'u': ''} if _PY3 else {'u': 'u'}
        self.assertEqual(
            str(error.FlattenerError(
                    RuntimeError("reason"), [u'abc\N{SNOWMAN}xyz'], [])),
            "Exception while flattening:\n"
            "  %(u)s'abc\\u2603xyz'\n" # Codepoint for SNOWMAN
            "RuntimeError: reason\n" % u)
        self.assertEqual(
            str(error.FlattenerError(
                    RuntimeError("reason"), [u'01234567\N{SNOWMAN}9' * 10],
                    [])),
            "Exception while flattening:\n"
            "  %(u)s'01234567\\u2603901234567\\u26039"
            "<...>01234567\\u2603901234567"
            "\\u26039'\n"
            "RuntimeError: reason\n" % u)



class UnsupportedMethodTests(unittest.SynchronousTestCase):
    """
    Tests for L{UnsupportedMethod}.
    """
    def test_str(self):
        """
        The C{__str__} for L{UnsupportedMethod} makes it clear that what it
        shows is a list of the supported methods, not the method that was
        unsupported.
        """
        b = "b" if _PY3 else ""
        e = error.UnsupportedMethod([b"HEAD", b"PATCH"])
        self.assertEqual(
            str(e), "Expected one of [{b}'HEAD', {b}'PATCH']".format(b=b),
        )

Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
__init__.py File 108 B 0644
_util.py File 2.51 KB 0644
injectionhelpers.py File 5.5 KB 0644
requesthelper.py File 10.6 KB 0644
test_agent.py File 113.19 KB 0644
test_cgi.py File 13.29 KB 0644
test_client.py File 1.34 KB 0644
test_distrib.py File 16.02 KB 0644
test_domhelpers.py File 10.84 KB 0644
test_error.py File 15.83 KB 0644
test_flatten.py File 17.83 KB 0644
test_html.py File 1.23 KB 0644
test_http.py File 122.6 KB 0644
test_http2.py File 105.98 KB 0644
test_http_headers.py File 19.91 KB 0644
test_httpauth.py File 22.75 KB 0644
test_newclient.py File 102.47 KB 0644
test_proxy.py File 19.62 KB 0644
test_resource.py File 8.02 KB 0644
test_script.py File 3.7 KB 0644
test_stan.py File 5.53 KB 0644
test_static.py File 62.22 KB 0644
test_tap.py File 10.34 KB 0644
test_template.py File 24.99 KB 0644
test_util.py File 12.29 KB 0644
test_vhost.py File 7.22 KB 0644
test_web.py File 55.24 KB 0644
test_web__responses.py File 877 B 0644
test_webclient.py File 57.45 KB 0644
test_wsgi.py File 73.06 KB 0644
test_xml.py File 41.36 KB 0644
test_xmlrpc.py File 28.24 KB 0644