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# -*- test-case-name: twisted.python.test.test_url -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.python.url}.
"""
from __future__ import unicode_literals
from ..url import URL
unicode = type(u'')
from unittest import TestCase
theurl = "http://www.foo.com/a/nice/path/?zot=23&zut"
# Examples from RFC 3986 section 5.4, Reference Resolution Examples
relativeLinkBaseForRFC3986 = 'http://a/b/c/d;p?q'
relativeLinkTestsForRFC3986 = [
# "Normal"
#('g:h', 'g:h'), # Not supported: scheme with relative path
('g', 'http://a/b/c/g'),
('./g', 'http://a/b/c/g'),
('g/', 'http://a/b/c/g/'),
('/g', 'http://a/g'),
('//g', 'http://g'),
('?y', 'http://a/b/c/d;p?y'),
('g?y', 'http://a/b/c/g?y'),
('#s', 'http://a/b/c/d;p?q#s'),
('g#s', 'http://a/b/c/g#s'),
('g?y#s', 'http://a/b/c/g?y#s'),
(';x', 'http://a/b/c/;x'),
('g;x', 'http://a/b/c/g;x'),
('g;x?y#s', 'http://a/b/c/g;x?y#s'),
('', 'http://a/b/c/d;p?q'),
('.', 'http://a/b/c/'),
('./', 'http://a/b/c/'),
('..', 'http://a/b/'),
('../', 'http://a/b/'),
('../g', 'http://a/b/g'),
('../..', 'http://a/'),
('../../', 'http://a/'),
('../../g', 'http://a/g'),
# Abnormal examples
# ".." cannot be used to change the authority component of a URI.
('../../../g', 'http://a/g'),
('../../../../g', 'http://a/g'),
# Only include "." and ".." when they are only part of a larger segment,
# not by themselves.
('/./g', 'http://a/g'),
('/../g', 'http://a/g'),
('g.', 'http://a/b/c/g.'),
('.g', 'http://a/b/c/.g'),
('g..', 'http://a/b/c/g..'),
('..g', 'http://a/b/c/..g'),
# Unnecessary or nonsensical forms of "." and "..".
('./../g', 'http://a/b/g'),
('./g/.', 'http://a/b/c/g/'),
('g/./h', 'http://a/b/c/g/h'),
('g/../h', 'http://a/b/c/h'),
('g;x=1/./y', 'http://a/b/c/g;x=1/y'),
('g;x=1/../y', 'http://a/b/c/y'),
# Separating the reference's query and fragment components from the path.
('g?y/./x', 'http://a/b/c/g?y/./x'),
('g?y/../x', 'http://a/b/c/g?y/../x'),
('g#s/./x', 'http://a/b/c/g#s/./x'),
('g#s/../x', 'http://a/b/c/g#s/../x'),
# Not supported: scheme with relative path
#("http:g", "http:g"), # strict
#("http:g", "http://a/b/c/g"), # non-strict
]
_percentenc = lambda s: ''.join('%%%02X' % ord(c) for c in s)
class TestURL(TestCase):
"""
Tests for L{URL}.
"""
def assertUnicoded(self, u):
"""
The given L{URL}'s components should be L{unicode}.
@param u: The L{URL} to test.
"""
self.assertTrue(isinstance(u.scheme, unicode)
or u.scheme is None, repr(u))
self.assertTrue(isinstance(u.host, unicode)
or u.host is None, repr(u))
for seg in u.path:
self.assertTrue(isinstance(seg, unicode), repr(u))
for (k, v) in u.query:
self.assertTrue(isinstance(k, unicode), repr(u))
self.assertTrue(v is None or isinstance(v, unicode), repr(u))
self.assertTrue(isinstance(u.fragment, unicode), repr(u))
def assertURL(self, u, scheme, host, path, query,
fragment, port, userinfo=u''):
"""
The given L{URL} should have the given components.
@param u: The actual L{URL} to examine.
@param scheme: The expected scheme.
@param host: The expected host.
@param path: The expected path.
@param query: The expected query.
@param fragment: The expected fragment.
@param port: The expected port.
@param userinfo: The expected userinfo.
"""
actual = (u.scheme, u.host, u.path, u.query,
u.fragment, u.port, u.userinfo)
expected = (scheme, host, tuple(path), tuple(query),
fragment, port, u.userinfo)
self.assertEqual(actual, expected)
def test_initDefaults(self):
"""
L{URL} should have appropriate default values.
"""
def check(u):
self.assertUnicoded(u)
self.assertURL(u, u'http', u'', [], [], u'', 80, u'')
check(URL(u'http', u''))
check(URL(u'http', u'', [], []))
check(URL(u'http', u'', [], [], u''))
def test_init(self):
"""
L{URL} should accept L{unicode} parameters.
"""
u = URL(u's', u'h', [u'p'], [(u'k', u'v'), (u'k', None)], u'f')
self.assertUnicoded(u)
self.assertURL(u, u's', u'h', [u'p'], [(u'k', u'v'), (u'k', None)],
u'f', None)
self.assertURL(URL(u'http', u'\xe0', [u'\xe9'],
[(u'\u03bb', u'\u03c0')], u'\u22a5'),
u'http', u'\xe0', [u'\xe9'],
[(u'\u03bb', u'\u03c0')], u'\u22a5', 80)
def test_initPercent(self):
"""
L{URL} should accept (and not interpret) percent characters.
"""
u = URL(u's', u'%68', [u'%70'], [(u'%6B', u'%76'), (u'%6B', None)],
u'%66')
self.assertUnicoded(u)
self.assertURL(u,
u's', u'%68', [u'%70'],
[(u'%6B', u'%76'), (u'%6B', None)],
u'%66', None)
def test_repr(self):
"""
L{URL.__repr__} will display the canoncial form of the URL, wrapped in
a L{URL.fromText} invocation, so that it is C{eval}-able but still easy
to read.
"""
self.assertEqual(
repr(URL(scheme=u'http', host=u'foo', path=[u'bar'],
query=[(u'baz', None), (u'k', u'v')],
fragment=u'frob')),
"URL.fromText(%s)" % (repr(u"http://foo/bar?baz&k=v#frob"),)
)
def test_fromText(self):
"""
Round-tripping L{URL.fromText} with C{str} results in an equivalent
URL.
"""
urlpath = URL.fromText(theurl)
self.assertEqual(theurl, urlpath.asText())
def test_roundtrip(self):
"""
L{URL.asText} should invert L{URL.fromText}.
"""
tests = (
"http://localhost",
"http://localhost/",
"http://localhost/foo",
"http://localhost/foo/",
"http://localhost/foo!!bar/",
"http://localhost/foo%20bar/",
"http://localhost/foo%2Fbar/",
"http://localhost/foo?n",
"http://localhost/foo?n=v",
"http://localhost/foo?n=/a/b",
"http://example.com/foo!@$bar?b!@z=123",
"http://localhost/asd?a=asd%20sdf/345",
"http://(%2525)/(%2525)?(%2525)&(%2525)=(%2525)#(%2525)",
"http://(%C3%A9)/(%C3%A9)?(%C3%A9)&(%C3%A9)=(%C3%A9)#(%C3%A9)",
)
for test in tests:
result = URL.fromText(test).asText()
self.assertEqual(test, result)
def test_equality(self):
"""
Two URLs decoded using L{URL.fromText} will be equal (C{==}) if they
decoded same URL string, and unequal (C{!=}) if they decoded different
strings.
"""
urlpath = URL.fromText(theurl)
self.assertEqual(urlpath, URL.fromText(theurl))
self.assertNotEqual(
urlpath,
URL.fromText('ftp://www.anotherinvaliddomain.com/'
'foo/bar/baz/?zot=21&zut')
)
def test_fragmentEquality(self):
"""
An URL created with the empty string for a fragment compares equal
to an URL created with an unspecified fragment.
"""
self.assertEqual(URL(fragment=u''), URL())
self.assertEqual(URL.fromText(u"http://localhost/#"),
URL.fromText(u"http://localhost/"))
def test_child(self):
"""
L{URL.child} appends a new path segment, but does not affect the query
or fragment.
"""
urlpath = URL.fromText(theurl)
self.assertEqual("http://www.foo.com/a/nice/path/gong?zot=23&zut",
urlpath.child(u'gong').asText())
self.assertEqual("http://www.foo.com/a/nice/path/gong%2F?zot=23&zut",
urlpath.child(u'gong/').asText())
self.assertEqual(
"http://www.foo.com/a/nice/path/gong%2Fdouble?zot=23&zut",
urlpath.child(u'gong/double').asText()
)
self.assertEqual(
"http://www.foo.com/a/nice/path/gong%2Fdouble%2F?zot=23&zut",
urlpath.child(u'gong/double/').asText()
)
def test_multiChild(self):
"""
L{URL.child} receives multiple segments as C{*args} and appends each in
turn.
"""
self.assertEqual(URL.fromText('http://example.com/a/b')
.child('c', 'd', 'e').asText(),
'http://example.com/a/b/c/d/e')
def test_childInitRoot(self):
"""
L{URL.child} of a L{URL} without a path produces a L{URL} with a single
path segment.
"""
childURL = URL(host=u"www.foo.com").child(u"c")
self.assertEqual(childURL.rooted, True)
self.assertEqual("http://www.foo.com/c", childURL.asText())
def test_sibling(self):
"""
L{URL.sibling} of a L{URL} replaces the last path segment, but does not
affect the query or fragment.
"""
urlpath = URL.fromText(theurl)
self.assertEqual(
"http://www.foo.com/a/nice/path/sister?zot=23&zut",
urlpath.sibling(u'sister').asText()
)
# Use an url without trailing '/' to check child removal.
theurl2 = "http://www.foo.com/a/nice/path?zot=23&zut"
urlpath = URL.fromText(theurl2)
self.assertEqual(
"http://www.foo.com/a/nice/sister?zot=23&zut",
urlpath.sibling(u'sister').asText()
)
def test_click(self):
"""
L{URL.click} interprets the given string as a relative URI-reference
and returns a new L{URL} interpreting C{self} as the base absolute URI.
"""
urlpath = URL.fromText(theurl)
# A null uri should be valid (return here).
self.assertEqual("http://www.foo.com/a/nice/path/?zot=23&zut",
urlpath.click("").asText())
# A simple relative path remove the query.
self.assertEqual("http://www.foo.com/a/nice/path/click",
urlpath.click("click").asText())
# An absolute path replace path and query.
self.assertEqual("http://www.foo.com/click",
urlpath.click("/click").asText())
# Replace just the query.
self.assertEqual("http://www.foo.com/a/nice/path/?burp",
urlpath.click("?burp").asText())
# One full url to another should not generate '//' between authority.
# and path
self.assertNotIn("//foobar",
urlpath.click('http://www.foo.com/foobar').asText())
# From a url with no query clicking a url with a query, the query
# should be handled properly.
u = URL.fromText('http://www.foo.com/me/noquery')
self.assertEqual('http://www.foo.com/me/17?spam=158',
u.click('/me/17?spam=158').asText())
# Check that everything from the path onward is removed when the click
# link has no path.
u = URL.fromText('http://localhost/foo?abc=def')
self.assertEqual(u.click('http://www.python.org').asText(),
'http://www.python.org')
def test_clickRFC3986(self):
"""
L{URL.click} should correctly resolve the examples in RFC 3986.
"""
base = URL.fromText(relativeLinkBaseForRFC3986)
for (ref, expected) in relativeLinkTestsForRFC3986:
self.assertEqual(base.click(ref).asText(), expected)
def test_clickSchemeRelPath(self):
"""
L{URL.click} should not accept schemes with relative paths.
"""
base = URL.fromText(relativeLinkBaseForRFC3986)
self.assertRaises(NotImplementedError, base.click, 'g:h')
self.assertRaises(NotImplementedError, base.click, 'http:h')
def test_cloneUnchanged(self):
"""
Verify that L{URL.replace} doesn't change any of the arguments it
is passed.
"""
urlpath = URL.fromText('https://x:1/y?z=1#A')
self.assertEqual(
urlpath.replace(urlpath.scheme,
urlpath.host,
urlpath.path,
urlpath.query,
urlpath.fragment,
urlpath.port),
urlpath)
self.assertEqual(
urlpath.replace(),
urlpath)
def test_clickCollapse(self):
"""
L{URL.click} collapses C{.} and C{..} according to RFC 3986 section
5.2.4.
"""
tests = [
['http://localhost/', '.', 'http://localhost/'],
['http://localhost/', '..', 'http://localhost/'],
['http://localhost/a/b/c', '.', 'http://localhost/a/b/'],
['http://localhost/a/b/c', '..', 'http://localhost/a/'],
['http://localhost/a/b/c', './d/e', 'http://localhost/a/b/d/e'],
['http://localhost/a/b/c', '../d/e', 'http://localhost/a/d/e'],
['http://localhost/a/b/c', '/./d/e', 'http://localhost/d/e'],
['http://localhost/a/b/c', '/../d/e', 'http://localhost/d/e'],
['http://localhost/a/b/c/', '../../d/e/',
'http://localhost/a/d/e/'],
['http://localhost/a/./c', '../d/e', 'http://localhost/d/e'],
['http://localhost/a/./c/', '../d/e', 'http://localhost/a/d/e'],
['http://localhost/a/b/c/d', './e/../f/../g',
'http://localhost/a/b/c/g'],
['http://localhost/a/b/c', 'd//e', 'http://localhost/a/b/d//e'],
]
for start, click, expected in tests:
actual = URL.fromText(start).click(click).asText()
self.assertEqual(
actual,
expected,
"{start}.click({click}) => {actual} not {expected}".format(
start=start,
click=repr(click),
actual=actual,
expected=expected,
)
)
def test_queryAdd(self):
"""
L{URL.add} adds query parameters.
"""
self.assertEqual(
"http://www.foo.com/a/nice/path/?foo=bar",
URL.fromText("http://www.foo.com/a/nice/path/")
.add(u"foo", u"bar").asText())
self.assertEqual(
"http://www.foo.com/?foo=bar",
URL(host=u"www.foo.com").add(u"foo", u"bar")
.asText())
urlpath = URL.fromText(theurl)
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=23&zut&burp",
urlpath.add(u"burp").asText())
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=23&zut&burp=xxx",
urlpath.add(u"burp", u"xxx").asText())
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=23&zut&burp=xxx&zing",
urlpath.add(u"burp", u"xxx").add(u"zing").asText())
# Note the inversion!
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=23&zut&zing&burp=xxx",
urlpath.add(u"zing").add(u"burp", u"xxx").asText())
# Note the two values for the same name.
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=23&zut&burp=xxx&zot=32",
urlpath.add(u"burp", u"xxx").add(u"zot", u'32')
.asText())
def test_querySet(self):
"""
L{URL.set} replaces query parameters by name.
"""
urlpath = URL.fromText(theurl)
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=32&zut",
urlpath.set(u"zot", u'32').asText())
# Replace name without value with name/value and vice-versa.
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot&zut=itworked",
urlpath.set(u"zot").set(u"zut", u"itworked").asText()
)
# Q: what happens when the query has two values and we replace?
# A: we replace both values with a single one
self.assertEqual(
"http://www.foo.com/a/nice/path/?zot=32&zut",
urlpath.add(u"zot", u"xxx").set(u"zot", u'32').asText()
)
def test_queryRemove(self):
"""
L{URL.remove} removes all instances of a query parameter.
"""
url = URL.fromText(u"https://example.com/a/b/?foo=1&bar=2&foo=3")
self.assertEqual(
url.remove(u"foo"),
URL.fromText(u"https://example.com/a/b/?bar=2")
)
def test_parseEqualSignInParamValue(self):
"""
Every C{=}-sign after the first in a query parameter is simply included
in the value of the parameter.
"""
u = URL.fromText('http://localhost/?=x=x=x')
self.assertEqual(u.get(u''), ['x=x=x'])
self.assertEqual(u.asText(), 'http://localhost/?=x%3Dx%3Dx')
u = URL.fromText('http://localhost/?foo=x=x=x&bar=y')
self.assertEqual(u.query, (('foo', 'x=x=x'),
('bar', 'y')))
self.assertEqual(u.asText(), 'http://localhost/?foo=x%3Dx%3Dx&bar=y')
def test_empty(self):
"""
An empty L{URL} should serialize as the empty string.
"""
self.assertEqual(URL().asText(), u'')
def test_justQueryText(self):
"""
An L{URL} with query text should serialize as just query text.
"""
u = URL(query=[(u"hello", u"world")])
self.assertEqual(u.asText(), u'?hello=world')
def test_identicalEqual(self):
"""
L{URL} compares equal to itself.
"""
u = URL.fromText('http://localhost/')
self.assertEqual(u, u)
def test_similarEqual(self):
"""
URLs with equivalent components should compare equal.
"""
u1 = URL.fromText('http://localhost/')
u2 = URL.fromText('http://localhost/')
self.assertEqual(u1, u2)
def test_differentNotEqual(self):
"""
L{URL}s that refer to different resources are both unequal (C{!=}) and
also not equal (not C{==}).
"""
u1 = URL.fromText('http://localhost/a')
u2 = URL.fromText('http://localhost/b')
self.assertFalse(u1 == u2, "%r != %r" % (u1, u2))
self.assertNotEqual(u1, u2)
def test_otherTypesNotEqual(self):
"""
L{URL} is not equal (C{==}) to other types.
"""
u = URL.fromText('http://localhost/')
self.assertFalse(u == 42, "URL must not equal a number.")
self.assertFalse(u == object(), "URL must not equal an object.")
self.assertNotEqual(u, 42)
self.assertNotEqual(u, object())
def test_identicalNotUnequal(self):
"""
Identical L{URL}s are not unequal (C{!=}) to each other.
"""
u = URL.fromText('http://localhost/')
self.assertFalse(u != u, "%r == itself" % u)
def test_similarNotUnequal(self):
"""
Structurally similar L{URL}s are not unequal (C{!=}) to each other.
"""
u1 = URL.fromText('http://localhost/')
u2 = URL.fromText('http://localhost/')
self.assertFalse(u1 != u2, "%r == %r" % (u1, u2))
def test_differentUnequal(self):
"""
Structurally different L{URL}s are unequal (C{!=}) to each other.
"""
u1 = URL.fromText('http://localhost/a')
u2 = URL.fromText('http://localhost/b')
self.assertTrue(u1 != u2, "%r == %r" % (u1, u2))
def test_otherTypesUnequal(self):
"""
L{URL} is unequal (C{!=}) to other types.
"""
u = URL.fromText('http://localhost/')
self.assertTrue(u != 42, "URL must differ from a number.")
self.assertTrue(u != object(), "URL must be differ from an object.")
def test_asURI(self):
"""
L{URL.asURI} produces an URI which converts any URI unicode encoding
into pure US-ASCII and returns a new L{URL}.
"""
unicodey = ('http://\N{LATIN SMALL LETTER E WITH ACUTE}.com/'
'\N{LATIN SMALL LETTER E}\N{COMBINING ACUTE ACCENT}'
'?\N{LATIN SMALL LETTER A}\N{COMBINING ACUTE ACCENT}='
'\N{LATIN SMALL LETTER I}\N{COMBINING ACUTE ACCENT}'
'#\N{LATIN SMALL LETTER U}\N{COMBINING ACUTE ACCENT}')
iri = URL.fromText(unicodey)
uri = iri.asURI()
self.assertEqual(iri.host, '\N{LATIN SMALL LETTER E WITH ACUTE}.com')
self.assertEqual(iri.path[0],
'\N{LATIN SMALL LETTER E}\N{COMBINING ACUTE ACCENT}')
self.assertEqual(iri.asText(), unicodey)
expectedURI = 'http://xn--9ca.com/%C3%A9?%C3%A1=%C3%AD#%C3%BA'
actualURI = uri.asText()
self.assertEqual(actualURI, expectedURI,
'%r != %r' % (actualURI, expectedURI))
def test_asIRI(self):
"""
L{URL.asIRI} decodes any percent-encoded text in the URI, making it
more suitable for reading by humans, and returns a new L{URL}.
"""
asciiish = 'http://xn--9ca.com/%C3%A9?%C3%A1=%C3%AD#%C3%BA'
uri = URL.fromText(asciiish)
iri = uri.asIRI()
self.assertEqual(uri.host, 'xn--9ca.com')
self.assertEqual(uri.path[0], '%C3%A9')
self.assertEqual(uri.asText(), asciiish)
expectedIRI = ('http://\N{LATIN SMALL LETTER E WITH ACUTE}.com/'
'\N{LATIN SMALL LETTER E WITH ACUTE}'
'?\N{LATIN SMALL LETTER A WITH ACUTE}='
'\N{LATIN SMALL LETTER I WITH ACUTE}'
'#\N{LATIN SMALL LETTER U WITH ACUTE}')
actualIRI = iri.asText()
self.assertEqual(actualIRI, expectedIRI,
'%r != %r' % (actualIRI, expectedIRI))
def test_badUTF8AsIRI(self):
"""
Bad UTF-8 in a path segment, query parameter, or fragment results in
that portion of the URI remaining percent-encoded in the IRI.
"""
urlWithBinary = 'http://xn--9ca.com/%00%FF/%C3%A9'
uri = URL.fromText(urlWithBinary)
iri = uri.asIRI()
expectedIRI = ('http://\N{LATIN SMALL LETTER E WITH ACUTE}.com/'
'%00%FF/'
'\N{LATIN SMALL LETTER E WITH ACUTE}')
actualIRI = iri.asText()
self.assertEqual(actualIRI, expectedIRI,
'%r != %r' % (actualIRI, expectedIRI))
def test_alreadyIRIAsIRI(self):
"""
A L{URL} composed of non-ASCII text will result in non-ASCII text.
"""
unicodey = ('http://\N{LATIN SMALL LETTER E WITH ACUTE}.com/'
'\N{LATIN SMALL LETTER E}\N{COMBINING ACUTE ACCENT}'
'?\N{LATIN SMALL LETTER A}\N{COMBINING ACUTE ACCENT}='
'\N{LATIN SMALL LETTER I}\N{COMBINING ACUTE ACCENT}'
'#\N{LATIN SMALL LETTER U}\N{COMBINING ACUTE ACCENT}')
iri = URL.fromText(unicodey)
alsoIRI = iri.asIRI()
self.assertEqual(alsoIRI.asText(), unicodey)
def test_alreadyURIAsURI(self):
"""
A L{URL} composed of encoded text will remain encoded.
"""
expectedURI = 'http://xn--9ca.com/%C3%A9?%C3%A1=%C3%AD#%C3%BA'
uri = URL.fromText(expectedURI)
actualURI = uri.asURI().asText()
self.assertEqual(actualURI, expectedURI)
def test_userinfo(self):
"""
L{URL.fromText} will parse the C{userinfo} portion of the URI
separately from the host and port.
"""
url = URL.fromText(
'http://someuser:somepassword@example.com/some-segment@ignore'
)
self.assertEqual(url.authority(True),
'someuser:somepassword@example.com')
self.assertEqual(url.authority(False), 'someuser:@example.com')
self.assertEqual(url.userinfo, 'someuser:somepassword')
self.assertEqual(url.user, 'someuser')
self.assertEqual(url.asText(),
'http://someuser:@example.com/some-segment@ignore')
self.assertEqual(
url.replace(userinfo=u"someuser").asText(),
'http://someuser@example.com/some-segment@ignore'
)
def test_portText(self):
"""
L{URL.fromText} parses custom port numbers as integers.
"""
portURL = URL.fromText(u"http://www.example.com:8080/")
self.assertEqual(portURL.port, 8080)
self.assertEqual(portURL.asText(), u"http://www.example.com:8080/")
def test_mailto(self):
"""
Although L{URL} instances are mainly for dealing with HTTP, other
schemes (such as C{mailto:}) should work as well. For example,
L{URL.fromText}/L{URL.asText} round-trips cleanly for a C{mailto:} URL
representing an email address.
"""
self.assertEqual(URL.fromText(u"mailto:user@example.com").asText(),
u"mailto:user@example.com")
def test_queryIterable(self):
"""
When a L{URL} is created with a C{query} argument, the C{query}
argument is converted into an N-tuple of 2-tuples.
"""
url = URL(query=[[u'alpha', u'beta']])
self.assertEqual(url.query, ((u'alpha', u'beta'),))
def test_pathIterable(self):
"""
When a L{URL} is created with a C{path} argument, the C{path} is
converted into a tuple.
"""
url = URL(path=[u'hello', u'world'])
self.assertEqual(url.path, (u'hello', u'world'))
def test_invalidArguments(self):
"""
Passing an argument of the wrong type to any of the constructor
arguments of L{URL} will raise a descriptive L{TypeError}.
L{URL} typechecks very aggressively to ensure that its constitutent
parts are all properly immutable and to prevent confusing errors when
bad data crops up in a method call long after the code that called the
constructor is off the stack.
"""
class Unexpected(object):
def __str__(self):
return "wrong"
def __repr__(self):
return "<unexpected>"
defaultExpectation = "unicode" if bytes is str else "str"
def assertRaised(raised, expectation, name):
self.assertEqual(str(raised.exception),
"expected {} for {}, got {}".format(
expectation,
name, "<unexpected>"))
def check(param, expectation=defaultExpectation):
with self.assertRaises(TypeError) as raised:
URL(**{param: Unexpected()})
assertRaised(raised, expectation, param)
check("scheme")
check("host")
check("fragment")
check("rooted", "bool")
check("userinfo")
check("port", "int or NoneType")
with self.assertRaises(TypeError) as raised:
URL(path=[Unexpected(),])
assertRaised(raised, defaultExpectation, "path segment")
with self.assertRaises(TypeError) as raised:
URL(query=[(u"name", Unexpected()),])
assertRaised(raised, defaultExpectation + " or NoneType",
"query parameter value")
with self.assertRaises(TypeError) as raised:
URL(query=[(Unexpected(), u"value"),])
assertRaised(raised, defaultExpectation, "query parameter name")
# No custom error message for this one, just want to make sure
# non-2-tuples don't get through.
with self.assertRaises(TypeError):
URL(query=[Unexpected()])
with self.assertRaises(ValueError):
URL(query=[(u'k', u'v', u'vv')])
with self.assertRaises(ValueError):
URL(query=[(u'k',)])
url = URL.fromText("https://valid.example.com/")
with self.assertRaises(TypeError) as raised:
url.child(Unexpected())
assertRaised(raised, defaultExpectation, "path segment")
with self.assertRaises(TypeError) as raised:
url.sibling(Unexpected())
assertRaised(raised, defaultExpectation, "path segment")
with self.assertRaises(TypeError) as raised:
url.click(Unexpected())
assertRaised(raised, defaultExpectation, "relative URL")
def test_technicallyTextIsIterableBut(self):
"""
Technically, L{str} (or L{unicode}, as appropriate) is iterable, but
C{URL(path="foo")} resulting in C{URL.fromText("f/o/o")} is never what
you want.
"""
with self.assertRaises(TypeError) as raised:
URL(path=u'foo')
self.assertEqual(
str(raised.exception),
"expected iterable of text for path, got text itself: {}"
.format(repr(u'foo'))
)
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