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test_headerregistry.py
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import datetime import textwrap import unittest from email import errors from email import policy from email.message import Message from test.test_email import TestEmailBase, parameterize from email import headerregistry from email.headerregistry import Address, Group from test.support import ALWAYS_EQ DITTO = object() class TestHeaderRegistry(TestEmailBase): def test_arbitrary_name_unstructured(self): factory = headerregistry.HeaderRegistry() h = factory('foobar', 'test') self.assertIsInstance(h, headerregistry.BaseHeader) self.assertIsInstance(h, headerregistry.UnstructuredHeader) def test_name_case_ignored(self): factory = headerregistry.HeaderRegistry() # Whitebox check that test is valid self.assertNotIn('Subject', factory.registry) h = factory('Subject', 'test') self.assertIsInstance(h, headerregistry.BaseHeader) self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader) class FooBase: def __init__(self, *args, **kw): pass def test_override_default_base_class(self): factory = headerregistry.HeaderRegistry(base_class=self.FooBase) h = factory('foobar', 'test') self.assertIsInstance(h, self.FooBase) self.assertIsInstance(h, headerregistry.UnstructuredHeader) class FooDefault: parse = headerregistry.UnstructuredHeader.parse def test_override_default_class(self): factory = headerregistry.HeaderRegistry(default_class=self.FooDefault) h = factory('foobar', 'test') self.assertIsInstance(h, headerregistry.BaseHeader) self.assertIsInstance(h, self.FooDefault) def test_override_default_class_only_overrides_default(self): factory = headerregistry.HeaderRegistry(default_class=self.FooDefault) h = factory('subject', 'test') self.assertIsInstance(h, headerregistry.BaseHeader) self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader) def test_dont_use_default_map(self): factory = headerregistry.HeaderRegistry(use_default_map=False) h = factory('subject', 'test') self.assertIsInstance(h, headerregistry.BaseHeader) self.assertIsInstance(h, headerregistry.UnstructuredHeader) def test_map_to_type(self): factory = headerregistry.HeaderRegistry() h1 = factory('foobar', 'test') factory.map_to_type('foobar', headerregistry.UniqueUnstructuredHeader) h2 = factory('foobar', 'test') self.assertIsInstance(h1, headerregistry.BaseHeader) self.assertIsInstance(h1, headerregistry.UnstructuredHeader) self.assertIsInstance(h2, headerregistry.BaseHeader) self.assertIsInstance(h2, headerregistry.UniqueUnstructuredHeader) class TestHeaderBase(TestEmailBase): factory = headerregistry.HeaderRegistry() def make_header(self, name, value): return self.factory(name, value) class TestBaseHeaderFeatures(TestHeaderBase): def test_str(self): h = self.make_header('subject', 'this is a test') self.assertIsInstance(h, str) self.assertEqual(h, 'this is a test') self.assertEqual(str(h), 'this is a test') def test_substr(self): h = self.make_header('subject', 'this is a test') self.assertEqual(h[5:7], 'is') def test_has_name(self): h = self.make_header('subject', 'this is a test') self.assertEqual(h.name, 'subject') def _test_attr_ro(self, attr): h = self.make_header('subject', 'this is a test') with self.assertRaises(AttributeError): setattr(h, attr, 'foo') def test_name_read_only(self): self._test_attr_ro('name') def test_defects_read_only(self): self._test_attr_ro('defects') def test_defects_is_tuple(self): h = self.make_header('subject', 'this is a test') self.assertEqual(len(h.defects), 0) self.assertIsInstance(h.defects, tuple) # Make sure it is still true when there are defects. h = self.make_header('date', '') self.assertEqual(len(h.defects), 1) self.assertIsInstance(h.defects, tuple) # XXX: FIXME #def test_CR_in_value(self): # # XXX: this also re-raises the issue of embedded headers, # # need test and solution for that. # value = '\r'.join(['this is', ' a test']) # h = self.make_header('subject', value) # self.assertEqual(h, value) # self.assertDefectsEqual(h.defects, [errors.ObsoleteHeaderDefect]) @parameterize class TestUnstructuredHeader(TestHeaderBase): def string_as_value(self, source, decoded, *args): l = len(args) defects = args[0] if l>0 else [] header = 'Subject:' + (' ' if source else '') folded = header + (args[1] if l>1 else source) + '\n' h = self.make_header('Subject', source) self.assertEqual(h, decoded) self.assertDefectsEqual(h.defects, defects) self.assertEqual(h.fold(policy=policy.default), folded) string_params = { 'rfc2047_simple_quopri': ( '=?utf-8?q?this_is_a_test?=', 'this is a test', [], 'this is a test'), 'rfc2047_gb2312_base64': ( '=?gb2312?b?1eLKx9bQzsSy4srUo6E=?=', '\u8fd9\u662f\u4e2d\u6587\u6d4b\u8bd5\uff01', [], '=?utf-8?b?6L+Z5piv5Lit5paH5rWL6K+V77yB?='), 'rfc2047_simple_nonascii_quopri': ( '=?utf-8?q?=C3=89ric?=', 'Éric'), 'rfc2047_quopri_with_regular_text': ( 'The =?utf-8?q?=C3=89ric=2C?= Himself', 'The Éric, Himself'), } @parameterize class TestDateHeader(TestHeaderBase): datestring = 'Sun, 23 Sep 2001 20:10:55 -0700' utcoffset = datetime.timedelta(hours=-7) tz = datetime.timezone(utcoffset) dt = datetime.datetime(2001, 9, 23, 20, 10, 55, tzinfo=tz) def test_parse_date(self): h = self.make_header('date', self.datestring) self.assertEqual(h, self.datestring) self.assertEqual(h.datetime, self.dt) self.assertEqual(h.datetime.utcoffset(), self.utcoffset) self.assertEqual(h.defects, ()) def test_set_from_datetime(self): h = self.make_header('date', self.dt) self.assertEqual(h, self.datestring) self.assertEqual(h.datetime, self.dt) self.assertEqual(h.defects, ()) def test_date_header_properties(self): h = self.make_header('date', self.datestring) self.assertIsInstance(h, headerregistry.UniqueDateHeader) self.assertEqual(h.max_count, 1) self.assertEqual(h.defects, ()) def test_resent_date_header_properties(self): h = self.make_header('resent-date', self.datestring) self.assertIsInstance(h, headerregistry.DateHeader) self.assertEqual(h.max_count, None) self.assertEqual(h.defects, ()) def test_no_value_is_defect(self): h = self.make_header('date', '') self.assertEqual(len(h.defects), 1) self.assertIsInstance(h.defects[0], errors.HeaderMissingRequiredValue) def test_datetime_read_only(self): h = self.make_header('date', self.datestring) with self.assertRaises(AttributeError): h.datetime = 'foo' def test_set_date_header_from_datetime(self): m = Message(policy=policy.default) m['Date'] = self.dt self.assertEqual(m['Date'], self.datestring) self.assertEqual(m['Date'].datetime, self.dt) @parameterize class TestContentTypeHeader(TestHeaderBase): def content_type_as_value(self, source, content_type, maintype, subtype, *args): l = len(args) parmdict = args[0] if l>0 else {} defects = args[1] if l>1 else [] decoded = args[2] if l>2 and args[2] is not DITTO else source header = 'Content-Type:' + ' ' if source else '' folded = args[3] if l>3 else header + decoded + '\n' h = self.make_header('Content-Type', source) self.assertEqual(h.content_type, content_type) self.assertEqual(h.maintype, maintype) self.assertEqual(h.subtype, subtype) self.assertEqual(h.params, parmdict) with self.assertRaises(TypeError): h.params['abc'] = 'xyz' # make sure params is read-only. self.assertDefectsEqual(h.defects, defects) self.assertEqual(h, decoded) self.assertEqual(h.fold(policy=policy.default), folded) content_type_params = { # Examples from RFC 2045. 'RFC_2045_1': ( 'text/plain; charset=us-ascii (Plain text)', 'text/plain', 'text', 'plain', {'charset': 'us-ascii'}, [], 'text/plain; charset="us-ascii"'), 'RFC_2045_2': ( 'text/plain; charset=us-ascii', 'text/plain', 'text', 'plain', {'charset': 'us-ascii'}, [], 'text/plain; charset="us-ascii"'), 'RFC_2045_3': ( 'text/plain; charset="us-ascii"', 'text/plain', 'text', 'plain', {'charset': 'us-ascii'}), # RFC 2045 5.2 says syntactically invalid values are to be treated as # text/plain. 'no_subtype_in_content_type': ( 'text/', 'text/plain', 'text', 'plain', {}, [errors.InvalidHeaderDefect]), 'no_slash_in_content_type': ( 'foo', 'text/plain', 'text', 'plain', {}, [errors.InvalidHeaderDefect]), 'junk_text_in_content_type': ( '<crazy "stuff">', 'text/plain', 'text', 'plain', {}, [errors.InvalidHeaderDefect]), 'too_many_slashes_in_content_type': ( 'image/jpeg/foo', 'text/plain', 'text', 'plain', {}, [errors.InvalidHeaderDefect]), # But unknown names are OK. We could make non-IANA names a defect, but # by not doing so we make ourselves future proof. The fact that they # are unknown will be detectable by the fact that they don't appear in # the mime_registry...and the application is free to extend that list # to handle them even if the core library doesn't. 'unknown_content_type': ( 'bad/names', 'bad/names', 'bad', 'names'), # The content type is case insensitive, and CFWS is ignored. 'mixed_case_content_type': ( 'ImAge/JPeg', 'image/jpeg', 'image', 'jpeg'), 'spaces_in_content_type': ( ' text / plain ', 'text/plain', 'text', 'plain'), 'cfws_in_content_type': ( '(foo) text (bar)/(baz)plain(stuff)', 'text/plain', 'text', 'plain'), # test some parameters (more tests could be added for parameters # associated with other content types, but since parameter parsing is # generic they would be redundant for the current implementation). 'charset_param': ( 'text/plain; charset="utf-8"', 'text/plain', 'text', 'plain', {'charset': 'utf-8'}), 'capitalized_charset': ( 'text/plain; charset="US-ASCII"', 'text/plain', 'text', 'plain', {'charset': 'US-ASCII'}), 'unknown_charset': ( 'text/plain; charset="fOo"', 'text/plain', 'text', 'plain', {'charset': 'fOo'}), 'capitalized_charset_param_name_and_comment': ( 'text/plain; (interjection) Charset="utf-8"', 'text/plain', 'text', 'plain', {'charset': 'utf-8'}, [], # Should the parameter name be lowercased here? 'text/plain; Charset="utf-8"'), # Since this is pretty much the ur-mimeheader, we'll put all the tests # that exercise the parameter parsing and formatting here. Note that # when we refold we may canonicalize, so things like whitespace, # quoting, and rfc2231 encoding may change from what was in the input # header. 'unquoted_param_value': ( 'text/plain; title=foo', 'text/plain', 'text', 'plain', {'title': 'foo'}, [], 'text/plain; title="foo"', ), 'param_value_with_tspecials': ( 'text/plain; title="(bar)foo blue"', 'text/plain', 'text', 'plain', {'title': '(bar)foo blue'}), 'param_with_extra_quoted_whitespace': ( 'text/plain; title=" a loong way \t home "', 'text/plain', 'text', 'plain', {'title': ' a loong way \t home '}), 'bad_params': ( 'blarg; baz; boo', 'text/plain', 'text', 'plain', {'baz': '', 'boo': ''}, [errors.InvalidHeaderDefect]*3), 'spaces_around_param_equals': ( 'Multipart/mixed; boundary = "CPIMSSMTPC06p5f3tG"', 'multipart/mixed', 'multipart', 'mixed', {'boundary': 'CPIMSSMTPC06p5f3tG'}, [], 'Multipart/mixed; boundary="CPIMSSMTPC06p5f3tG"', ), 'spaces_around_semis': ( ('image/jpeg; name="wibble.JPG" ; x-mac-type="4A504547" ; ' 'x-mac-creator="474B4F4E"'), 'image/jpeg', 'image', 'jpeg', {'name': 'wibble.JPG', 'x-mac-type': '4A504547', 'x-mac-creator': '474B4F4E'}, [], ('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; ' 'x-mac-creator="474B4F4E"'), ('Content-Type: image/jpeg; name="wibble.JPG";' ' x-mac-type="4A504547";\n' ' x-mac-creator="474B4F4E"\n'), ), 'lots_of_mime_params': ( ('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; ' 'x-mac-creator="474B4F4E"; x-extrastuff="make it longer"'), 'image/jpeg', 'image', 'jpeg', {'name': 'wibble.JPG', 'x-mac-type': '4A504547', 'x-mac-creator': '474B4F4E', 'x-extrastuff': 'make it longer'}, [], ('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; ' 'x-mac-creator="474B4F4E"; x-extrastuff="make it longer"'), # In this case the whole of the MimeParameters does *not* fit # one one line, so we break at a lower syntactic level. ('Content-Type: image/jpeg; name="wibble.JPG";' ' x-mac-type="4A504547";\n' ' x-mac-creator="474B4F4E"; x-extrastuff="make it longer"\n'), ), 'semis_inside_quotes': ( 'image/jpeg; name="Jim&&Jill"', 'image/jpeg', 'image', 'jpeg', {'name': 'Jim&&Jill'}), 'single_quotes_inside_quotes': ( 'image/jpeg; name="Jim \'Bob\' Jill"', 'image/jpeg', 'image', 'jpeg', {'name': "Jim 'Bob' Jill"}), 'double_quotes_inside_quotes': ( r'image/jpeg; name="Jim \"Bob\" Jill"', 'image/jpeg', 'image', 'jpeg', {'name': 'Jim "Bob" Jill'}, [], r'image/jpeg; name="Jim \"Bob\" Jill"'), 'non_ascii_in_params': ( ('foo\xa7/bar; b\xa7r=two; ' 'baz=thr\xa7e'.encode('latin-1').decode('us-ascii', 'surrogateescape')), 'foo\uFFFD/bar', 'foo\uFFFD', 'bar', {'b\uFFFDr': 'two', 'baz': 'thr\uFFFDe'}, [errors.UndecodableBytesDefect]*3, 'foo�/bar; b�r="two"; baz="thr�e"', # XXX Two bugs here: the mime type is not allowed to be an encoded # word, and we shouldn't be emitting surrogates in the parameter # names. But I don't know what the behavior should be here, so I'm # punting for now. In practice this is unlikely to be encountered # since headers with binary in them only come from a binary source # and are almost certain to be re-emitted without refolding. 'Content-Type: =?unknown-8bit?q?foo=A7?=/bar; b\udca7r="two";\n' " baz*=unknown-8bit''thr%A7e\n", ), # RFC 2231 parameter tests. 'rfc2231_segmented_normal_values': ( 'image/jpeg; name*0="abc"; name*1=".html"', 'image/jpeg', 'image', 'jpeg', {'name': "abc.html"}, [], 'image/jpeg; name="abc.html"'), 'quotes_inside_rfc2231_value': ( r'image/jpeg; bar*0="baz\"foobar"; bar*1="\"baz"', 'image/jpeg', 'image', 'jpeg', {'bar': 'baz"foobar"baz'}, [], r'image/jpeg; bar="baz\"foobar\"baz"'), 'non_ascii_rfc2231_value': ( ('text/plain; charset=us-ascii; ' "title*=us-ascii'en'This%20is%20" 'not%20f\xa7n').encode('latin-1').decode('us-ascii', 'surrogateescape'), 'text/plain', 'text', 'plain', {'charset': 'us-ascii', 'title': 'This is not f\uFFFDn'}, [errors.UndecodableBytesDefect], 'text/plain; charset="us-ascii"; title="This is not f�n"', 'Content-Type: text/plain; charset="us-ascii";\n' " title*=unknown-8bit''This%20is%20not%20f%A7n\n", ), 'rfc2231_encoded_charset': ( 'text/plain; charset*=ansi-x3.4-1968\'\'us-ascii', 'text/plain', 'text', 'plain', {'charset': 'us-ascii'}, [], 'text/plain; charset="us-ascii"'), # This follows the RFC: no double quotes around encoded values. 'rfc2231_encoded_no_double_quotes': ( ("text/plain;" "\tname*0*=''This%20is%20;" "\tname*1*=%2A%2A%2Afun%2A%2A%2A%20;" '\tname*2="is it not.pdf"'), 'text/plain', 'text', 'plain', {'name': 'This is ***fun*** is it not.pdf'}, [], 'text/plain; name="This is ***fun*** is it not.pdf"', ), # Make sure we also handle it if there are spurious double quotes. 'rfc2231_encoded_with_double_quotes': ( ("text/plain;" '\tname*0*="us-ascii\'\'This%20is%20even%20more%20";' '\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";' '\tname*2="is it not.pdf"'), 'text/plain', 'text', 'plain', {'name': 'This is even more ***fun*** is it not.pdf'}, [errors.InvalidHeaderDefect]*2, 'text/plain; name="This is even more ***fun*** is it not.pdf"', ), 'rfc2231_single_quote_inside_double_quotes': ( ('text/plain; charset=us-ascii;' '\ttitle*0*="us-ascii\'en\'This%20is%20really%20";' '\ttitle*1*="%2A%2A%2Afun%2A%2A%2A%20";' '\ttitle*2="isn\'t it!"'), 'text/plain', 'text', 'plain', {'charset': 'us-ascii', 'title': "This is really ***fun*** isn't it!"}, [errors.InvalidHeaderDefect]*2, ('text/plain; charset="us-ascii"; ' 'title="This is really ***fun*** isn\'t it!"'), ('Content-Type: text/plain; charset="us-ascii";\n' ' title="This is really ***fun*** isn\'t it!"\n'), ), 'rfc2231_single_quote_in_value_with_charset_and_lang': ( ('application/x-foo;' "\tname*0*=\"us-ascii'en-us'Frank's\"; name*1*=\" Document\""), 'application/x-foo', 'application', 'x-foo', {'name': "Frank's Document"}, [errors.InvalidHeaderDefect]*2, 'application/x-foo; name="Frank\'s Document"', ), 'rfc2231_single_quote_in_non_encoded_value': ( ('application/x-foo;' "\tname*0=\"us-ascii'en-us'Frank's\"; name*1=\" Document\""), 'application/x-foo', 'application', 'x-foo', {'name': "us-ascii'en-us'Frank's Document"}, [], 'application/x-foo; name="us-ascii\'en-us\'Frank\'s Document"', ), 'rfc2231_no_language_or_charset': ( 'text/plain; NAME*0*=english_is_the_default.html', 'text/plain', 'text', 'plain', {'name': 'english_is_the_default.html'}, [errors.InvalidHeaderDefect], 'text/plain; NAME="english_is_the_default.html"'), 'rfc2231_encoded_no_charset': ( ("text/plain;" '\tname*0*="\'\'This%20is%20even%20more%20";' '\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";' '\tname*2="is it.pdf"'), 'text/plain', 'text', 'plain', {'name': 'This is even more ***fun*** is it.pdf'}, [errors.InvalidHeaderDefect]*2, 'text/plain; name="This is even more ***fun*** is it.pdf"', ), 'rfc2231_partly_encoded': ( ("text/plain;" '\tname*0*="\'\'This%20is%20even%20more%20";' '\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";' '\tname*2="is it.pdf"'), 'text/plain', 'text', 'plain', {'name': 'This is even more ***fun*** is it.pdf'}, [errors.InvalidHeaderDefect]*2, 'text/plain; name="This is even more ***fun*** is it.pdf"', ), 'rfc2231_partly_encoded_2': ( ("text/plain;" '\tname*0*="\'\'This%20is%20even%20more%20";' '\tname*1="%2A%2A%2Afun%2A%2A%2A%20";' '\tname*2="is it.pdf"'), 'text/plain', 'text', 'plain', {'name': 'This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf'}, [errors.InvalidHeaderDefect], ('text/plain;' ' name="This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf"'), ('Content-Type: text/plain;\n' ' name="This is even more %2A%2A%2Afun%2A%2A%2A%20is' ' it.pdf"\n'), ), 'rfc2231_unknown_charset_treated_as_ascii': ( "text/plain; name*0*=bogus'xx'ascii_is_the_default", 'text/plain', 'text', 'plain', {'name': 'ascii_is_the_default'}, [], 'text/plain; name="ascii_is_the_default"'), 'rfc2231_bad_character_in_charset_parameter_value': ( "text/plain; charset*=ascii''utf-8%F1%F2%F3", 'text/plain', 'text', 'plain', {'charset': 'utf-8\uFFFD\uFFFD\uFFFD'}, [errors.UndecodableBytesDefect], 'text/plain; charset="utf-8\uFFFD\uFFFD\uFFFD"', "Content-Type: text/plain;" " charset*=unknown-8bit''utf-8%F1%F2%F3\n", ), 'rfc2231_utf8_in_supposedly_ascii_charset_parameter_value': ( "text/plain; charset*=ascii''utf-8%E2%80%9D", 'text/plain', 'text', 'plain', {'charset': 'utf-8”'}, [errors.UndecodableBytesDefect], 'text/plain; charset="utf-8”"', # XXX Should folding change the charset to utf8? Currently it just # reproduces the original, which is arguably fine. "Content-Type: text/plain;" " charset*=unknown-8bit''utf-8%E2%80%9D\n", ), 'rfc2231_encoded_then_unencoded_segments': ( ('application/x-foo;' '\tname*0*="us-ascii\'en-us\'My";' '\tname*1=" Document";' '\tname*2=" For You"'), 'application/x-foo', 'application', 'x-foo', {'name': 'My Document For You'}, [errors.InvalidHeaderDefect], 'application/x-foo; name="My Document For You"', ), # My reading of the RFC is that this is an invalid header. The RFC # says that if charset and language information is given, the first # segment *must* be encoded. 'rfc2231_unencoded_then_encoded_segments': ( ('application/x-foo;' '\tname*0=us-ascii\'en-us\'My;' '\tname*1*=" Document";' '\tname*2*=" For You"'), 'application/x-foo', 'application', 'x-foo', {'name': 'My Document For You'}, [errors.InvalidHeaderDefect]*3, 'application/x-foo; name="My Document For You"', ), # XXX: I would say this one should default to ascii/en for the # "encoded" segment, since the first segment is not encoded and is # in double quotes, making the value a valid non-encoded string. The # old parser decodes this just like the previous case, which may be the # better Postel rule, but could equally result in borking headers that # intentionally have quoted quotes in them. We could get this 98% # right if we treat it as a quoted string *unless* it matches the # charset'lang'value pattern exactly *and* there is at least one # encoded segment. Implementing that algorithm will require some # refactoring, so I haven't done it (yet). 'rfc2231_quoted_unencoded_then_encoded_segments': ( ('application/x-foo;' '\tname*0="us-ascii\'en-us\'My";' '\tname*1*=" Document";' '\tname*2*=" For You"'), 'application/x-foo', 'application', 'x-foo', {'name': "us-ascii'en-us'My Document For You"}, [errors.InvalidHeaderDefect]*2, 'application/x-foo; name="us-ascii\'en-us\'My Document For You"', ), # Make sure our folding algorithm produces multiple sections correctly. # We could mix encoded and non-encoded segments, but we don't, we just # make them all encoded. It might be worth fixing that, since the # sections can get used for wrapping ascii text. 'rfc2231_folded_segments_correctly_formatted': ( ('application/x-foo;' '\tname="' + "with spaces"*8 + '"'), 'application/x-foo', 'application', 'x-foo', {'name': "with spaces"*8}, [], 'application/x-foo; name="' + "with spaces"*8 + '"', "Content-Type: application/x-foo;\n" " name*0*=us-ascii''with%20spaceswith%20spaceswith%20spaceswith" "%20spaceswith;\n" " name*1*=%20spaceswith%20spaceswith%20spaceswith%20spaces\n" ), } @parameterize class TestContentTransferEncoding(TestHeaderBase): def cte_as_value(self, source, cte, *args): l = len(args) defects = args[0] if l>0 else [] decoded = args[1] if l>1 and args[1] is not DITTO else source header = 'Content-Transfer-Encoding:' + ' ' if source else '' folded = args[2] if l>2 else header + source + '\n' h = self.make_header('Content-Transfer-Encoding', source) self.assertEqual(h.cte, cte) self.assertDefectsEqual(h.defects, defects) self.assertEqual(h, decoded) self.assertEqual(h.fold(policy=policy.default), folded) cte_params = { 'RFC_2183_1': ( 'base64', 'base64',), 'no_value': ( '', '7bit', [errors.HeaderMissingRequiredValue], '', 'Content-Transfer-Encoding:\n', ), 'junk_after_cte': ( '7bit and a bunch more', '7bit', [errors.InvalidHeaderDefect]), } @parameterize class TestContentDisposition(TestHeaderBase): def content_disp_as_value(self, source, content_disposition, *args): l = len(args) parmdict = args[0] if l>0 else {} defects = args[1] if l>1 else [] decoded = args[2] if l>2 and args[2] is not DITTO else source header = 'Content-Disposition:' + ' ' if source else '' folded = args[3] if l>3 else header + source + '\n' h = self.make_header('Content-Disposition', source) self.assertEqual(h.content_disposition, content_disposition) self.assertEqual(h.params, parmdict) self.assertDefectsEqual(h.defects, defects) self.assertEqual(h, decoded) self.assertEqual(h.fold(policy=policy.default), folded) content_disp_params = { # Examples from RFC 2183. 'RFC_2183_1': ( 'inline', 'inline',), 'RFC_2183_2': ( ('attachment; filename=genome.jpeg;' ' modification-date="Wed, 12 Feb 1997 16:29:51 -0500";'), 'attachment', {'filename': 'genome.jpeg', 'modification-date': 'Wed, 12 Feb 1997 16:29:51 -0500'}, [], ('attachment; filename="genome.jpeg"; ' 'modification-date="Wed, 12 Feb 1997 16:29:51 -0500"'), ('Content-Disposition: attachment; filename="genome.jpeg";\n' ' modification-date="Wed, 12 Feb 1997 16:29:51 -0500"\n'), ), 'no_value': ( '', None, {}, [errors.HeaderMissingRequiredValue], '', 'Content-Disposition:\n'), 'invalid_value': ( 'ab./k', 'ab.', {}, [errors.InvalidHeaderDefect]), 'invalid_value_with_params': ( 'ab./k; filename="foo"', 'ab.', {'filename': 'foo'}, [errors.InvalidHeaderDefect]), 'invalid_parameter_value_with_fws_between_ew': ( 'attachment; filename="=?UTF-8?Q?Schulbesuchsbest=C3=A4ttigung=2E?=' ' =?UTF-8?Q?pdf?="', 'attachment', {'filename': 'Schulbesuchsbestättigung.pdf'}, [errors.InvalidHeaderDefect]*3, ('attachment; filename="Schulbesuchsbestättigung.pdf"'), ('Content-Disposition: attachment;\n' ' filename*=utf-8\'\'Schulbesuchsbest%C3%A4ttigung.pdf\n'), ), 'parameter_value_with_fws_between_tokens': ( 'attachment; filename="File =?utf-8?q?Name?= With Spaces.pdf"', 'attachment', {'filename': 'File Name With Spaces.pdf'}, [errors.InvalidHeaderDefect], 'attachment; filename="File Name With Spaces.pdf"', ('Content-Disposition: attachment; filename="File Name With Spaces.pdf"\n'), ) } @parameterize class TestMIMEVersionHeader(TestHeaderBase): def version_string_as_MIME_Version(self, source, decoded, version, major, minor, defects): h = self.make_header('MIME-Version', source) self.assertEqual(h, decoded) self.assertEqual(h.version, version) self.assertEqual(h.major, major) self.assertEqual(h.minor, minor) self.assertDefectsEqual(h.defects, defects) if source: source = ' ' + source self.assertEqual(h.fold(policy=policy.default), 'MIME-Version:' + source + '\n') version_string_params = { # Examples from the RFC. 'RFC_2045_1': ( '1.0', '1.0', '1.0', 1, 0, []), 'RFC_2045_2': ( '1.0 (produced by MetaSend Vx.x)', '1.0 (produced by MetaSend Vx.x)', '1.0', 1, 0, []), 'RFC_2045_3': ( '(produced by MetaSend Vx.x) 1.0', '(produced by MetaSend Vx.x) 1.0', '1.0', 1, 0, []), 'RFC_2045_4': ( '1.(produced by MetaSend Vx.x)0', '1.(produced by MetaSend Vx.x)0', '1.0', 1, 0, []), # Other valid values. '1_1': ( '1.1', '1.1', '1.1', 1, 1, []), '2_1': ( '2.1', '2.1', '2.1', 2, 1, []), 'whitespace': ( '1 .0', '1 .0', '1.0', 1, 0, []), 'leading_trailing_whitespace_ignored': ( ' 1.0 ', ' 1.0 ', '1.0', 1, 0, []), # Recoverable invalid values. We can recover here only because we # already have a valid value by the time we encounter the garbage. # Anywhere else, and we don't know where the garbage ends. 'non_comment_garbage_after': ( '1.0 <abc>', '1.0 <abc>', '1.0', 1, 0, [errors.InvalidHeaderDefect]), # Unrecoverable invalid values. We *could* apply more heuristics to # get something out of the first two, but doing so is not worth the # effort. 'non_comment_garbage_before': ( '<abc> 1.0', '<abc> 1.0', None, None, None, [errors.InvalidHeaderDefect]), 'non_comment_garbage_inside': ( '1.<abc>0', '1.<abc>0', None, None, None, [errors.InvalidHeaderDefect]), 'two_periods': ( '1..0', '1..0', None, None, None, [errors.InvalidHeaderDefect]), '2_x': ( '2.x', '2.x', None, # This could be 2, but it seems safer to make it None. None, None, [errors.InvalidHeaderDefect]), 'foo': ( 'foo', 'foo', None, None, None, [errors.InvalidHeaderDefect]), 'missing': ( '', '', None, None, None, [errors.HeaderMissingRequiredValue]), } @parameterize class TestAddressHeader(TestHeaderBase): example_params = { 'empty': ('<>', [errors.InvalidHeaderDefect], '<>', '', '<>', '', '', None), 'address_only': ('zippy@pinhead.com', [], 'zippy@pinhead.com', '', 'zippy@pinhead.com', 'zippy', 'pinhead.com', None), 'name_and_address': ('Zaphrod Beblebrux <zippy@pinhead.com>', [], 'Zaphrod Beblebrux <zippy@pinhead.com>', 'Zaphrod Beblebrux', 'zippy@pinhead.com', 'zippy', 'pinhead.com', None), 'quoted_local_part': ('Zaphrod Beblebrux <"foo bar"@pinhead.com>', [], 'Zaphrod Beblebrux <"foo bar"@pinhead.com>', 'Zaphrod Beblebrux', '"foo bar"@pinhead.com', 'foo bar', 'pinhead.com', None), 'quoted_parens_in_name': (r'"A \(Special\) Person" <person@dom.ain>', [], '"A (Special) Person" <person@dom.ain>', 'A (Special) Person', 'person@dom.ain', 'person', 'dom.ain', None), 'quoted_backslashes_in_name': (r'"Arthur \\Backslash\\ Foobar" <person@dom.ain>', [], r'"Arthur \\Backslash\\ Foobar" <person@dom.ain>', r'Arthur \Backslash\ Foobar', 'person@dom.ain', 'person', 'dom.ain', None), 'name_with_dot': ('John X. Doe <jxd@example.com>', [errors.ObsoleteHeaderDefect], '"John X. Doe" <jxd@example.com>', 'John X. Doe', 'jxd@example.com', 'jxd', 'example.com', None), 'quoted_strings_in_local_part': ('""example" example"@example.com', [errors.InvalidHeaderDefect]*3, '"example example"@example.com', '', '"example example"@example.com', 'example example', 'example.com', None), 'escaped_quoted_strings_in_local_part': (r'"\"example\" example"@example.com', [], r'"\"example\" example"@example.com', '', r'"\"example\" example"@example.com', r'"example" example', 'example.com', None), 'escaped_escapes_in_local_part': (r'"\\"example\\" example"@example.com', [errors.InvalidHeaderDefect]*5, r'"\\example\\\\ example"@example.com', '', r'"\\example\\\\ example"@example.com', r'\example\\ example', 'example.com', None), 'spaces_in_unquoted_local_part_collapsed': ('merwok wok @example.com', [errors.InvalidHeaderDefect]*2, '"merwok wok"@example.com', '', '"merwok wok"@example.com', 'merwok wok', 'example.com', None), 'spaces_around_dots_in_local_part_removed': ('merwok. wok . wok@example.com', [errors.ObsoleteHeaderDefect], 'merwok.wok.wok@example.com', '', 'merwok.wok.wok@example.com', 'merwok.wok.wok', 'example.com', None), 'rfc2047_atom_is_decoded': ('=?utf-8?q?=C3=89ric?= <foo@example.com>', [], 'Éric <foo@example.com>', 'Éric', 'foo@example.com', 'foo', 'example.com', None), 'rfc2047_atom_in_phrase_is_decoded': ('The =?utf-8?q?=C3=89ric=2C?= Himself <foo@example.com>', [], '"The Éric, Himself" <foo@example.com>', 'The Éric, Himself', 'foo@example.com', 'foo', 'example.com', None), 'rfc2047_atom_in_quoted_string_is_decoded': ('"=?utf-8?q?=C3=89ric?=" <foo@example.com>', [errors.InvalidHeaderDefect, errors.InvalidHeaderDefect], 'Éric <foo@example.com>', 'Éric', 'foo@example.com', 'foo', 'example.com', None), } # XXX: Need many more examples, and in particular some with names in # trailing comments, which aren't currently handled. comments in # general are not handled yet. def example_as_address(self, source, defects, decoded, display_name, addr_spec, username, domain, comment): h = self.make_header('sender', source) self.assertEqual(h, decoded) self.assertDefectsEqual(h.defects, defects) a = h.address self.assertEqual(str(a), decoded) self.assertEqual(len(h.groups), 1) self.assertEqual([a], list(h.groups[0].addresses)) self.assertEqual([a], list(h.addresses)) self.assertEqual(a.display_name, display_name) self.assertEqual(a.addr_spec, addr_spec) self.assertEqual(a.username, username) self.assertEqual(a.domain, domain) # XXX: we have no comment support yet. #self.assertEqual(a.comment, comment) def example_as_group(self, source, defects, decoded, display_name, addr_spec, username, domain, comment): source = 'foo: {};'.format(source) gdecoded = 'foo: {};'.format(decoded) if decoded else 'foo:;' h = self.make_header('to', source) self.assertEqual(h, gdecoded) self.assertDefectsEqual(h.defects, defects) self.assertEqual(h.groups[0].addresses, h.addresses) self.assertEqual(len(h.groups), 1) self.assertEqual(len(h.addresses), 1) a = h.addresses[0] self.assertEqual(str(a), decoded) self.assertEqual(a.display_name, display_name) self.assertEqual(a.addr_spec, addr_spec) self.assertEqual(a.username, username) self.assertEqual(a.domain, domain) def test_simple_address_list(self): value = ('Fred <dinsdale@python.org>, foo@example.com, ' '"Harry W. Hastings" <hasty@example.com>') h = self.make_header('to', value) self.assertEqual(h, value) self.assertEqual(len(h.groups), 3) self.assertEqual(len(h.addresses), 3) for i in range(3): self.assertEqual(h.groups[i].addresses[0], h.addresses[i]) self.assertEqual(str(h.addresses[0]), 'Fred <dinsdale@python.org>') self.assertEqual(str(h.addresses[1]), 'foo@example.com') self.assertEqual(str(h.addresses[2]), '"Harry W. Hastings" <hasty@example.com>') self.assertEqual(h.addresses[2].display_name, 'Harry W. Hastings') def test_complex_address_list(self): examples = list(self.example_params.values()) source = ('dummy list:;, another: (empty);,' + ', '.join([x[0] for x in examples[:4]]) + ', ' + r'"A \"list\"": ' + ', '.join([x[0] for x in examples[4:6]]) + ';,' + ', '.join([x[0] for x in examples[6:]]) ) # XXX: the fact that (empty) disappears here is a potential API design # bug. We don't currently have a way to preserve comments. expected = ('dummy list:;, another:;, ' + ', '.join([x[2] for x in examples[:4]]) + ', ' + r'"A \"list\"": ' + ', '.join([x[2] for x in examples[4:6]]) + ';, ' + ', '.join([x[2] for x in examples[6:]]) ) h = self.make_header('to', source) self.assertEqual(h.split(','), expected.split(',')) self.assertEqual(h, expected) self.assertEqual(len(h.groups), 7 + len(examples) - 6) self.assertEqual(h.groups[0].display_name, 'dummy list') self.assertEqual(h.groups[1].display_name, 'another') self.assertEqual(h.groups[6].display_name, 'A "list"') self.assertEqual(len(h.addresses), len(examples)) for i in range(4): self.assertIsNone(h.groups[i+2].display_name) self.assertEqual(str(h.groups[i+2].addresses[0]), examples[i][2]) for i in range(7, 7 + len(examples) - 6): self.assertIsNone(h.groups[i].display_name) self.assertEqual(str(h.groups[i].addresses[0]), examples[i-1][2]) for i in range(len(examples)): self.assertEqual(str(h.addresses[i]), examples[i][2]) self.assertEqual(h.addresses[i].addr_spec, examples[i][4]) def test_address_read_only(self): h = self.make_header('sender', 'abc@xyz.com') with self.assertRaises(AttributeError): h.address = 'foo' def test_addresses_read_only(self): h = self.make_header('sender', 'abc@xyz.com') with self.assertRaises(AttributeError): h.addresses = 'foo' def test_groups_read_only(self): h = self.make_header('sender', 'abc@xyz.com') with self.assertRaises(AttributeError): h.groups = 'foo' def test_addresses_types(self): source = 'me <who@example.com>' h = self.make_header('to', source) self.assertIsInstance(h.addresses, tuple) self.assertIsInstance(h.addresses[0], Address) def test_groups_types(self): source = 'me <who@example.com>' h = self.make_header('to', source) self.assertIsInstance(h.groups, tuple) self.assertIsInstance(h.groups[0], Group) def test_set_from_Address(self): h = self.make_header('to', Address('me', 'foo', 'example.com')) self.assertEqual(h, 'me <foo@example.com>') def test_set_from_Address_list(self): h = self.make_header('to', [Address('me', 'foo', 'example.com'), Address('you', 'bar', 'example.com')]) self.assertEqual(h, 'me <foo@example.com>, you <bar@example.com>') def test_set_from_Address_and_Group_list(self): h = self.make_header('to', [Address('me', 'foo', 'example.com'), Group('bing', [Address('fiz', 'z', 'b.com'), Address('zif', 'f', 'c.com')]), Address('you', 'bar', 'example.com')]) self.assertEqual(h, 'me <foo@example.com>, bing: fiz <z@b.com>, ' 'zif <f@c.com>;, you <bar@example.com>') self.assertEqual(h.fold(policy=policy.default.clone(max_line_length=40)), 'to: me <foo@example.com>,\n' ' bing: fiz <z@b.com>, zif <f@c.com>;,\n' ' you <bar@example.com>\n') def test_set_from_Group_list(self): h = self.make_header('to', [Group('bing', [Address('fiz', 'z', 'b.com'), Address('zif', 'f', 'c.com')])]) self.assertEqual(h, 'bing: fiz <z@b.com>, zif <f@c.com>;') class TestAddressAndGroup(TestEmailBase): def _test_attr_ro(self, obj, attr): with self.assertRaises(AttributeError): setattr(obj, attr, 'foo') def test_address_display_name_ro(self): self._test_attr_ro(Address('foo', 'bar', 'baz'), 'display_name') def test_address_username_ro(self): self._test_attr_ro(Address('foo', 'bar', 'baz'), 'username') def test_address_domain_ro(self): self._test_attr_ro(Address('foo', 'bar', 'baz'), 'domain') def test_group_display_name_ro(self): self._test_attr_ro(Group('foo'), 'display_name') def test_group_addresses_ro(self): self._test_attr_ro(Group('foo'), 'addresses') def test_address_from_username_domain(self): a = Address('foo', 'bar', 'baz') self.assertEqual(a.display_name, 'foo') self.assertEqual(a.username, 'bar') self.assertEqual(a.domain, 'baz') self.assertEqual(a.addr_spec, 'bar@baz') self.assertEqual(str(a), 'foo <bar@baz>') def test_address_from_addr_spec(self): a = Address('foo', addr_spec='bar@baz') self.assertEqual(a.display_name, 'foo') self.assertEqual(a.username, 'bar') self.assertEqual(a.domain, 'baz') self.assertEqual(a.addr_spec, 'bar@baz') self.assertEqual(str(a), 'foo <bar@baz>') def test_address_with_no_display_name(self): a = Address(addr_spec='bar@baz') self.assertEqual(a.display_name, '') self.assertEqual(a.username, 'bar') self.assertEqual(a.domain, 'baz') self.assertEqual(a.addr_spec, 'bar@baz') self.assertEqual(str(a), 'bar@baz') def test_null_address(self): a = Address() self.assertEqual(a.display_name, '') self.assertEqual(a.username, '') self.assertEqual(a.domain, '') self.assertEqual(a.addr_spec, '<>') self.assertEqual(str(a), '<>') def test_domain_only(self): # This isn't really a valid address. a = Address(domain='buzz') self.assertEqual(a.display_name, '') self.assertEqual(a.username, '') self.assertEqual(a.domain, 'buzz') self.assertEqual(a.addr_spec, '@buzz') self.assertEqual(str(a), '@buzz') def test_username_only(self): # This isn't really a valid address. a = Address(username='buzz') self.assertEqual(a.display_name, '') self.assertEqual(a.username, 'buzz') self.assertEqual(a.domain, '') self.assertEqual(a.addr_spec, 'buzz') self.assertEqual(str(a), 'buzz') def test_display_name_only(self): a = Address('buzz') self.assertEqual(a.display_name, 'buzz') self.assertEqual(a.username, '') self.assertEqual(a.domain, '') self.assertEqual(a.addr_spec, '<>') self.assertEqual(str(a), 'buzz <>') def test_quoting(self): # Ideally we'd check every special individually, but I'm not up for # writing that many tests. a = Address('Sara J.', 'bad name', 'example.com') self.assertEqual(a.display_name, 'Sara J.') self.assertEqual(a.username, 'bad name') self.assertEqual(a.domain, 'example.com') self.assertEqual(a.addr_spec, '"bad name"@example.com') self.assertEqual(str(a), '"Sara J." <"bad name"@example.com>') def test_il8n(self): a = Address('Éric', 'wok', 'exàmple.com') self.assertEqual(a.display_name, 'Éric') self.assertEqual(a.username, 'wok') self.assertEqual(a.domain, 'exàmple.com') self.assertEqual(a.addr_spec, 'wok@exàmple.com') self.assertEqual(str(a), 'Éric <wok@exàmple.com>') # XXX: there is an API design issue that needs to be solved here. #def test_non_ascii_username_raises(self): # with self.assertRaises(ValueError): # Address('foo', 'wők', 'example.com') def test_crlf_in_constructor_args_raises(self): cases = ( dict(display_name='foo\r'), dict(display_name='foo\n'), dict(display_name='foo\r\n'), dict(domain='example.com\r'), dict(domain='example.com\n'), dict(domain='example.com\r\n'), dict(username='wok\r'), dict(username='wok\n'), dict(username='wok\r\n'), dict(addr_spec='wok@example.com\r'), dict(addr_spec='wok@example.com\n'), dict(addr_spec='wok@example.com\r\n') ) for kwargs in cases: with self.subTest(kwargs=kwargs), self.assertRaisesRegex(ValueError, "invalid arguments"): Address(**kwargs) def test_non_ascii_username_in_addr_spec_raises(self): with self.assertRaises(ValueError): Address('foo', addr_spec='wők@example.com') def test_address_addr_spec_and_username_raises(self): with self.assertRaises(TypeError): Address('foo', username='bing', addr_spec='bar@baz') def test_address_addr_spec_and_domain_raises(self): with self.assertRaises(TypeError): Address('foo', domain='bing', addr_spec='bar@baz') def test_address_addr_spec_and_username_and_domain_raises(self): with self.assertRaises(TypeError): Address('foo', username='bong', domain='bing', addr_spec='bar@baz') def test_space_in_addr_spec_username_raises(self): with self.assertRaises(ValueError): Address('foo', addr_spec="bad name@example.com") def test_bad_addr_sepc_raises(self): with self.assertRaises(ValueError): Address('foo', addr_spec="name@ex[]ample.com") def test_empty_group(self): g = Group('foo') self.assertEqual(g.display_name, 'foo') self.assertEqual(g.addresses, tuple()) self.assertEqual(str(g), 'foo:;') def test_empty_group_list(self): g = Group('foo', addresses=[]) self.assertEqual(g.display_name, 'foo') self.assertEqual(g.addresses, tuple()) self.assertEqual(str(g), 'foo:;') def test_null_group(self): g = Group() self.assertIsNone(g.display_name) self.assertEqual(g.addresses, tuple()) self.assertEqual(str(g), 'None:;') def test_group_with_addresses(self): addrs = [Address('b', 'b', 'c'), Address('a', 'b','c')] g = Group('foo', addrs) self.assertEqual(g.display_name, 'foo') self.assertEqual(g.addresses, tuple(addrs)) self.assertEqual(str(g), 'foo: b <b@c>, a <b@c>;') def test_group_with_addresses_no_display_name(self): addrs = [Address('b', 'b', 'c'), Address('a', 'b','c')] g = Group(addresses=addrs) self.assertIsNone(g.display_name) self.assertEqual(g.addresses, tuple(addrs)) self.assertEqual(str(g), 'None: b <b@c>, a <b@c>;') def test_group_with_one_address_no_display_name(self): addrs = [Address('b', 'b', 'c')] g = Group(addresses=addrs) self.assertIsNone(g.display_name) self.assertEqual(g.addresses, tuple(addrs)) self.assertEqual(str(g), 'b <b@c>') def test_display_name_quoting(self): g = Group('foo.bar') self.assertEqual(g.display_name, 'foo.bar') self.assertEqual(g.addresses, tuple()) self.assertEqual(str(g), '"foo.bar":;') def test_display_name_blanks_not_quoted(self): g = Group('foo bar') self.assertEqual(g.display_name, 'foo bar') self.assertEqual(g.addresses, tuple()) self.assertEqual(str(g), 'foo bar:;') def test_set_message_header_from_address(self): a = Address('foo', 'bar', 'example.com') m = Message(policy=policy.default) m['To'] = a self.assertEqual(m['to'], 'foo <bar@example.com>') self.assertEqual(m['to'].addresses, (a,)) def test_set_message_header_from_group(self): g = Group('foo bar') m = Message(policy=policy.default) m['To'] = g self.assertEqual(m['to'], 'foo bar:;') self.assertEqual(m['to'].addresses, g.addresses) def test_address_comparison(self): a = Address('foo', 'bar', 'example.com') self.assertEqual(Address('foo', 'bar', 'example.com'), a) self.assertNotEqual(Address('baz', 'bar', 'example.com'), a) self.assertNotEqual(Address('foo', 'baz', 'example.com'), a) self.assertNotEqual(Address('foo', 'bar', 'baz'), a) self.assertFalse(a == object()) self.assertTrue(a == ALWAYS_EQ) def test_group_comparison(self): a = Address('foo', 'bar', 'example.com') g = Group('foo bar', [a]) self.assertEqual(Group('foo bar', (a,)), g) self.assertNotEqual(Group('baz', [a]), g) self.assertNotEqual(Group('foo bar', []), g) self.assertFalse(g == object()) self.assertTrue(g == ALWAYS_EQ) class TestFolding(TestHeaderBase): def test_address_display_names(self): """Test the folding and encoding of address headers.""" for name, result in ( ('Foo Bar, France', '"Foo Bar, France"'), ('Foo Bar (France)', '"Foo Bar (France)"'), ('Foo Bar, España', 'Foo =?utf-8?q?Bar=2C_Espa=C3=B1a?='), ('Foo Bar (España)', 'Foo Bar =?utf-8?b?KEVzcGHDsWEp?='), ('Foo, Bar España', '=?utf-8?q?Foo=2C_Bar_Espa=C3=B1a?='), ('Foo, Bar [España]', '=?utf-8?q?Foo=2C_Bar_=5BEspa=C3=B1a=5D?='), ('Foo Bär, France', 'Foo =?utf-8?q?B=C3=A4r=2C?= France'), ('Foo Bär <France>', 'Foo =?utf-8?q?B=C3=A4r_=3CFrance=3E?='), ( 'Lôrem ipsum dôlôr sit amet, cônsectetuer adipiscing. ' 'Suspendisse pôtenti. Aliquam nibh. Suspendisse pôtenti.', '=?utf-8?q?L=C3=B4rem_ipsum_d=C3=B4l=C3=B4r_sit_amet=2C_c' '=C3=B4nsectetuer?=\n =?utf-8?q?adipiscing=2E_Suspendisse' '_p=C3=B4tenti=2E_Aliquam_nibh=2E?=\n Suspendisse =?utf-8' '?q?p=C3=B4tenti=2E?=', ), ): h = self.make_header('To', Address(name, addr_spec='a@b.com')) self.assertEqual(h.fold(policy=policy.default), 'To: %s <a@b.com>\n' % result) def test_short_unstructured(self): h = self.make_header('subject', 'this is a test') self.assertEqual(h.fold(policy=policy.default), 'subject: this is a test\n') def test_long_unstructured(self): h = self.make_header('Subject', 'This is a long header ' 'line that will need to be folded into two lines ' 'and will demonstrate basic folding') self.assertEqual(h.fold(policy=policy.default), 'Subject: This is a long header line that will ' 'need to be folded into two lines\n' ' and will demonstrate basic folding\n') def test_unstructured_short_max_line_length(self): h = self.make_header('Subject', 'this is a short header ' 'that will be folded anyway') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), textwrap.dedent("""\ Subject: this is a short header that will be folded anyway """)) def test_fold_unstructured_single_word(self): h = self.make_header('Subject', 'test') self.assertEqual(h.fold(policy=policy.default), 'Subject: test\n') def test_fold_unstructured_short(self): h = self.make_header('Subject', 'test test test') self.assertEqual(h.fold(policy=policy.default), 'Subject: test test test\n') def test_fold_unstructured_with_overlong_word(self): h = self.make_header('Subject', 'thisisaverylonglineconsistingofa' 'singlewordthatwontfit') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), 'Subject: \n' ' =?utf-8?q?thisisa?=\n' ' =?utf-8?q?verylon?=\n' ' =?utf-8?q?glineco?=\n' ' =?utf-8?q?nsistin?=\n' ' =?utf-8?q?gofasin?=\n' ' =?utf-8?q?gleword?=\n' ' =?utf-8?q?thatwon?=\n' ' =?utf-8?q?tfit?=\n' ) def test_fold_unstructured_with_two_overlong_words(self): h = self.make_header('Subject', 'thisisaverylonglineconsistingofa' 'singlewordthatwontfit plusanotherverylongwordthatwontfit') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), 'Subject: \n' ' =?utf-8?q?thisisa?=\n' ' =?utf-8?q?verylon?=\n' ' =?utf-8?q?glineco?=\n' ' =?utf-8?q?nsistin?=\n' ' =?utf-8?q?gofasin?=\n' ' =?utf-8?q?gleword?=\n' ' =?utf-8?q?thatwon?=\n' ' =?utf-8?q?tfit_pl?=\n' ' =?utf-8?q?usanoth?=\n' ' =?utf-8?q?erveryl?=\n' ' =?utf-8?q?ongword?=\n' ' =?utf-8?q?thatwon?=\n' ' =?utf-8?q?tfit?=\n' ) # XXX Need test for when max_line_length is less than the chrome size. def test_fold_unstructured_with_slightly_long_word(self): h = self.make_header('Subject', 'thislongwordislessthanmaxlinelen') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=35)), 'Subject:\n thislongwordislessthanmaxlinelen\n') def test_fold_unstructured_with_commas(self): # The old wrapper would fold this at the commas. h = self.make_header('Subject', "This header is intended to " "demonstrate, in a fairly succinct way, that we now do " "not give a , special treatment in unstructured headers.") self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=60)), textwrap.dedent("""\ Subject: This header is intended to demonstrate, in a fairly succinct way, that we now do not give a , special treatment in unstructured headers. """)) def test_fold_address_list(self): h = self.make_header('To', '"Theodore H. Perfect" <yes@man.com>, ' '"My address is very long because my name is long" <foo@bar.com>, ' '"Only A. Friend" <no@yes.com>') self.assertEqual(h.fold(policy=policy.default), textwrap.dedent("""\ To: "Theodore H. Perfect" <yes@man.com>, "My address is very long because my name is long" <foo@bar.com>, "Only A. Friend" <no@yes.com> """)) def test_fold_date_header(self): h = self.make_header('Date', 'Sat, 2 Feb 2002 17:00:06 -0800') self.assertEqual(h.fold(policy=policy.default), 'Date: Sat, 02 Feb 2002 17:00:06 -0800\n') def test_fold_overlong_words_using_RFC2047(self): h = self.make_header( 'X-Report-Abuse', '<https://www.mailitapp.com/report_abuse.php?' 'mid=xxx-xxx-xxxxxxxxxxxxxxxxxxxxxxxx==-xxx-xx-xx>') self.assertEqual( h.fold(policy=policy.default), 'X-Report-Abuse: =?utf-8?q?=3Chttps=3A//www=2Emailitapp=2E' 'com/report=5Fabuse?=\n' ' =?utf-8?q?=2Ephp=3Fmid=3Dxxx-xxx-xxxx' 'xxxxxxxxxxxxxxxxxxxx=3D=3D-xxx-xx-xx?=\n' ' =?utf-8?q?=3E?=\n') def test_message_id_header_is_not_folded(self): h = self.make_header( 'Message-ID', '<somemessageidlongerthan@maxlinelength.com>') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), 'Message-ID: <somemessageidlongerthan@maxlinelength.com>\n') # Test message-id isn't folded when id-right is no-fold-literal. h = self.make_header( 'Message-ID', '<somemessageidlongerthan@[127.0.0.0.0.0.0.0.0.1]>') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), 'Message-ID: <somemessageidlongerthan@[127.0.0.0.0.0.0.0.0.1]>\n') # Test message-id isn't folded when id-right is non-ascii characters. h = self.make_header('Message-ID', '<ईमेल@wők.com>') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=30)), 'Message-ID: <ईमेल@wők.com>\n') # Test message-id is folded without breaking the msg-id token into # encoded words, *even* if they don't fit into max_line_length. h = self.make_header('Message-ID', '<ईमेलfromMessage@wők.com>') self.assertEqual( h.fold(policy=policy.default.clone(max_line_length=20)), 'Message-ID:\n <ईमेलfromMessage@wők.com>\n') if __name__ == '__main__': unittest.main()