import unittest from test.test_email import TestEmailBase, parameterize import textwrap from email import policy from email.message import EmailMessage from email.contentmanager import ContentManager, raw_data_manager @parameterize class TestContentManager(TestEmailBase): policy = policy.default message = EmailMessage get_key_params = { 'full_type': (1, 'text/plain',), 'maintype_only': (2, 'text',), 'null_key': (3, '',), } def get_key_as_get_content_key(self, order, key): def foo_getter(msg, foo=None): bar = msg['X-Bar-Header'] return foo, bar cm = ContentManager() cm.add_get_handler(key, foo_getter) m = self._make_message() m['Content-Type'] = 'text/plain' m['X-Bar-Header'] = 'foo' self.assertEqual(cm.get_content(m, foo='bar'), ('bar', 'foo')) def get_key_as_get_content_key_order(self, order, key): def bar_getter(msg): return msg['X-Bar-Header'] def foo_getter(msg): return msg['X-Foo-Header'] cm = ContentManager() cm.add_get_handler(key, foo_getter) for precedence, key in self.get_key_params.values(): if precedence > order: cm.add_get_handler(key, bar_getter) m = self._make_message() m['Content-Type'] = 'text/plain' m['X-Bar-Header'] = 'bar' m['X-Foo-Header'] = 'foo' self.assertEqual(cm.get_content(m), ('foo')) def test_get_content_raises_if_unknown_mimetype_and_no_default(self): cm = ContentManager() m = self._make_message() m['Content-Type'] = 'text/plain' with self.assertRaisesRegex(KeyError, 'text/plain'): cm.get_content(m) class BaseThing(str): pass baseobject_full_path = __name__ + '.' + 'TestContentManager.BaseThing' class Thing(BaseThing): pass testobject_full_path = __name__ + '.' + 'TestContentManager.Thing' set_key_params = { 'type': (0, Thing,), 'full_path': (1, testobject_full_path,), 'qualname': (2, 'TestContentManager.Thing',), 'name': (3, 'Thing',), 'base_type': (4, BaseThing,), 'base_full_path': (5, baseobject_full_path,), 'base_qualname': (6, 'TestContentManager.BaseThing',), 'base_name': (7, 'BaseThing',), 'str_type': (8, str,), 'str_full_path': (9, 'builtins.str',), 'str_name': (10, 'str',), # str name and qualname are the same 'null_key': (11, None,), } def set_key_as_set_content_key(self, order, key): def foo_setter(msg, obj, foo=None): msg['X-Foo-Header'] = foo msg.set_payload(obj) cm = ContentManager() cm.add_set_handler(key, foo_setter) m = self._make_message() msg_obj = self.Thing() cm.set_content(m, msg_obj, foo='bar') self.assertEqual(m['X-Foo-Header'], 'bar') self.assertEqual(m.get_payload(), msg_obj) def set_key_as_set_content_key_order(self, order, key): def foo_setter(msg, obj): msg['X-FooBar-Header'] = 'foo' msg.set_payload(obj) def bar_setter(msg, obj): msg['X-FooBar-Header'] = 'bar' cm = ContentManager() cm.add_set_handler(key, foo_setter) for precedence, key in self.get_key_params.values(): if precedence > order: cm.add_set_handler(key, bar_setter) m = self._make_message() msg_obj = self.Thing() cm.set_content(m, msg_obj) self.assertEqual(m['X-FooBar-Header'], 'foo') self.assertEqual(m.get_payload(), msg_obj) def test_set_content_raises_if_unknown_type_and_no_default(self): cm = ContentManager() m = self._make_message() msg_obj = self.Thing() with self.assertRaisesRegex(KeyError, self.testobject_full_path): cm.set_content(m, msg_obj) def test_set_content_raises_if_called_on_multipart(self): cm = ContentManager() m = self._make_message() m['Content-Type'] = 'multipart/foo' with self.assertRaises(TypeError): cm.set_content(m, 'test') def test_set_content_calls_clear_content(self): m = self._make_message() m['Content-Foo'] = 'bar' m['Content-Type'] = 'text/html' m['To'] = 'test' m.set_payload('abc') cm = ContentManager() cm.add_set_handler(str, lambda *args, **kw: None) m.set_content('xyz', content_manager=cm) self.assertIsNone(m['Content-Foo']) self.assertIsNone(m['Content-Type']) self.assertEqual(m['To'], 'test') self.assertIsNone(m.get_payload()) @parameterize class TestRawDataManager(TestEmailBase): # Note: these tests are dependent on the order in which headers are added # to the message objects by the code. There's no defined ordering in # RFC5322/MIME, so this makes the tests more fragile than the standards # require. However, if the header order changes it is best to understand # *why*, and make sure it isn't a subtle bug in whatever change was # applied. policy = policy.default.clone(max_line_length=60, content_manager=raw_data_manager) message = EmailMessage def test_get_text_plain(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain Basic text. """)) self.assertEqual(raw_data_manager.get_content(m), "Basic text.\n") def test_get_text_html(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/html

Basic text.

""")) self.assertEqual(raw_data_manager.get_content(m), "

Basic text.

\n") def test_get_text_plain_latin1(self): m = self._bytes_msg(textwrap.dedent("""\ Content-Type: text/plain; charset=latin1 Basìc tëxt. """).encode('latin1')) self.assertEqual(raw_data_manager.get_content(m), "Basìc tëxt.\n") def test_get_text_plain_latin1_quoted_printable(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain; charset="latin-1" Content-Transfer-Encoding: quoted-printable Bas=ECc t=EBxt. """)) self.assertEqual(raw_data_manager.get_content(m), "Basìc tëxt.\n") def test_get_text_plain_utf8_base64(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain; charset="utf8" Content-Transfer-Encoding: base64 QmFzw6xjIHTDq3h0Lgo= """)) self.assertEqual(raw_data_manager.get_content(m), "Basìc tëxt.\n") def test_get_text_plain_bad_utf8_quoted_printable(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain; charset="utf8" Content-Transfer-Encoding: quoted-printable Bas=c3=acc t=c3=abxt=fd. """)) self.assertEqual(raw_data_manager.get_content(m), "Basìc tëxt�.\n") def test_get_text_plain_bad_utf8_quoted_printable_ignore_errors(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain; charset="utf8" Content-Transfer-Encoding: quoted-printable Bas=c3=acc t=c3=abxt=fd. """)) self.assertEqual(raw_data_manager.get_content(m, errors='ignore'), "Basìc tëxt.\n") def test_get_text_plain_utf8_base64_recoverable_bad_CTE_data(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain; charset="utf8" Content-Transfer-Encoding: base64 QmFzw6xjIHTDq3h0Lgo\xFF= """)) self.assertEqual(raw_data_manager.get_content(m, errors='ignore'), "Basìc tëxt.\n") def test_get_text_invalid_keyword(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: text/plain Basic text. """)) with self.assertRaises(TypeError): raw_data_manager.get_content(m, foo='ignore') def test_get_non_text(self): template = textwrap.dedent("""\ Content-Type: {} Content-Transfer-Encoding: base64 Ym9ndXMgZGF0YQ== """) for maintype in 'audio image video application'.split(): with self.subTest(maintype=maintype): m = self._str_msg(template.format(maintype+'/foo')) self.assertEqual(raw_data_manager.get_content(m), b"bogus data") def test_get_non_text_invalid_keyword(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: image/jpg Content-Transfer-Encoding: base64 Ym9ndXMgZGF0YQ== """)) with self.assertRaises(TypeError): raw_data_manager.get_content(m, errors='ignore') def test_get_raises_on_multipart(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: multipart/mixed; boundary="===" --=== --===-- """)) with self.assertRaises(KeyError): raw_data_manager.get_content(m) def test_get_message_rfc822_and_external_body(self): template = textwrap.dedent("""\ Content-Type: message/{} To: foo@example.com From: bar@example.com Subject: example an example message """) for subtype in 'rfc822 external-body'.split(): with self.subTest(subtype=subtype): m = self._str_msg(template.format(subtype)) sub_msg = raw_data_manager.get_content(m) self.assertIsInstance(sub_msg, self.message) self.assertEqual(raw_data_manager.get_content(sub_msg), "an example message\n") self.assertEqual(sub_msg['to'], 'foo@example.com') self.assertEqual(sub_msg['from'].addresses[0].username, 'bar') def test_get_message_non_rfc822_or_external_body_yields_bytes(self): m = self._str_msg(textwrap.dedent("""\ Content-Type: message/partial To: foo@example.com From: bar@example.com Subject: example The real body is in another message. """)) self.assertEqual(raw_data_manager.get_content(m)[:10], b'To: foo@ex') def test_set_text_plain(self): m = self._make_message() content = "Simple message.\n" raw_data_manager.set_content(m, content) self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Simple message. """)) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_html(self): m = self._make_message() content = "

Simple message.

\n" raw_data_manager.set_content(m, content, subtype='html') self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: 7bit

Simple message.

""")) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_charset_latin_1(self): m = self._make_message() content = "Simple message.\n" raw_data_manager.set_content(m, content, charset='latin-1') self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Simple message. """)) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_short_line_minimal_non_ascii_heuristics(self): m = self._make_message() content = "et là il est monté sur moi et il commence à m'éto.\n" raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit et là il est monté sur moi et il commence à m'éto. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_long_line_minimal_non_ascii_heuristics(self): m = self._make_message() content = ("j'ai un problème de python. il est sorti de son" " vivarium. et là il est monté sur moi et il commence" " à m'éto.\n") raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable j'ai un probl=C3=A8me de python. il est sorti de son vivari= um. et l=C3=A0 il est mont=C3=A9 sur moi et il commence = =C3=A0 m'=C3=A9to. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_11_lines_long_line_minimal_non_ascii_heuristics(self): m = self._make_message() content = '\n'*10 + ( "j'ai un problème de python. il est sorti de son" " vivarium. et là il est monté sur moi et il commence" " à m'éto.\n") raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable """ + '\n'*10 + """ j'ai un probl=C3=A8me de python. il est sorti de son vivari= um. et l=C3=A0 il est mont=C3=A9 sur moi et il commence = =C3=A0 m'=C3=A9to. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_maximal_non_ascii_heuristics(self): m = self._make_message() content = "áàäéèęöő.\n" raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit áàäéèęöő. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_11_lines_maximal_non_ascii_heuristics(self): m = self._make_message() content = '\n'*10 + "áàäéèęöő.\n" raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit """ + '\n'*10 + """ áàäéèęöő. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_long_line_maximal_non_ascii_heuristics(self): m = self._make_message() content = ("áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő.\n") raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 w6HDoMOkw6nDqMSZw7bFkcOhw6DDpMOpw6jEmcO2xZHDocOgw6TDqcOoxJnD tsWRw6HDoMOkw6nDqMSZw7bFkcOhw6DDpMOpw6jEmcO2xZHDocOgw6TDqcOo xJnDtsWRw6HDoMOkw6nDqMSZw7bFkcOhw6DDpMOpw6jEmcO2xZHDocOgw6TD qcOoxJnDtsWRw6HDoMOkw6nDqMSZw7bFkcOhw6DDpMOpw6jEmcO2xZHDocOg w6TDqcOoxJnDtsWRLgo= """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_11_lines_long_line_maximal_non_ascii_heuristics(self): # Yes, it chooses "wrong" here. It's a heuristic. So this result # could change if we come up with a better heuristic. m = self._make_message() content = ('\n'*10 + "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő.\n") raw_data_manager.set_content(m, "\n"*10 + "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő" "áàäéèęöőáàäéèęöőáàäéèęöőáàäéèęöő.\n") self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable """ + '\n'*10 + """ =C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3= =A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4= =C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9=C3= =A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4=99= =C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6=C5= =91=C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1= =C3=A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3= =A4=C3=A9=C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9= =C3=A8=C4=99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4= =99=C3=B6=C5=91=C3=A1=C3=A0=C3=A4=C3=A9=C3=A8=C4=99=C3=B6= =C5=91. """).encode('utf-8')) self.assertEqual(m.get_payload(decode=True).decode('utf-8'), content) self.assertEqual(m.get_content(), content) def test_set_text_non_ascii_with_cte_7bit_raises(self): m = self._make_message() with self.assertRaises(UnicodeError): raw_data_manager.set_content(m,"áàäéèęöő.\n", cte='7bit') def test_set_text_non_ascii_with_charset_ascii_raises(self): m = self._make_message() with self.assertRaises(UnicodeError): raw_data_manager.set_content(m,"áàäéèęöő.\n", charset='ascii') def test_set_text_non_ascii_with_cte_7bit_and_charset_ascii_raises(self): m = self._make_message() with self.assertRaises(UnicodeError): raw_data_manager.set_content(m,"áàäéèęöő.\n", cte='7bit', charset='ascii') def test_set_message(self): m = self._make_message() m['Subject'] = "Forwarded message" content = self._make_message() content['To'] = 'python@vivarium.org' content['From'] = 'police@monty.org' content['Subject'] = "get back in your box" content.set_content("Or face the comfy chair.") raw_data_manager.set_content(m, content) self.assertEqual(str(m), textwrap.dedent("""\ Subject: Forwarded message Content-Type: message/rfc822 Content-Transfer-Encoding: 8bit To: python@vivarium.org From: police@monty.org Subject: get back in your box Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Or face the comfy chair. """)) payload = m.get_payload(0) self.assertIsInstance(payload, self.message) self.assertEqual(str(payload), str(content)) self.assertIsInstance(m.get_content(), self.message) self.assertEqual(str(m.get_content()), str(content)) def test_set_message_with_non_ascii_and_coercion_to_7bit(self): m = self._make_message() m['Subject'] = "Escape report" content = self._make_message() content['To'] = 'police@monty.org' content['From'] = 'victim@monty.org' content['Subject'] = "Help" content.set_content("j'ai un problème de python. il est sorti de son" " vivarium.") raw_data_manager.set_content(m, content) self.assertEqual(bytes(m), textwrap.dedent("""\ Subject: Escape report Content-Type: message/rfc822 Content-Transfer-Encoding: 8bit To: police@monty.org From: victim@monty.org Subject: Help Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit MIME-Version: 1.0 j'ai un problème de python. il est sorti de son vivarium. """).encode('utf-8')) # The choice of base64 for the body encoding is because generator # doesn't bother with heuristics and uses it unconditionally for utf-8 # text. # XXX: the first cte should be 7bit, too...that's a generator bug. # XXX: the line length in the body also looks like a generator bug. self.assertEqual(m.as_string(maxheaderlen=self.policy.max_line_length), textwrap.dedent("""\ Subject: Escape report Content-Type: message/rfc822 Content-Transfer-Encoding: 8bit To: police@monty.org From: victim@monty.org Subject: Help Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 aidhaSB1biBwcm9ibMOobWUgZGUgcHl0aG9uLiBpbCBlc3Qgc29ydGkgZGUgc29uIHZpdmFyaXVt Lgo= """)) self.assertIsInstance(m.get_content(), self.message) self.assertEqual(str(m.get_content()), str(content)) def test_set_message_invalid_cte_raises(self): m = self._make_message() content = self._make_message() for cte in 'quoted-printable base64'.split(): for subtype in 'rfc822 external-body'.split(): with self.subTest(cte=cte, subtype=subtype): with self.assertRaises(ValueError) as ar: m.set_content(content, subtype, cte=cte) exc = str(ar.exception) self.assertIn(cte, exc) self.assertIn(subtype, exc) subtype = 'external-body' for cte in '8bit binary'.split(): with self.subTest(cte=cte, subtype=subtype): with self.assertRaises(ValueError) as ar: m.set_content(content, subtype, cte=cte) exc = str(ar.exception) self.assertIn(cte, exc) self.assertIn(subtype, exc) def test_set_image_jpg(self): for content in (b"bogus content", bytearray(b"bogus content"), memoryview(b"bogus content")): with self.subTest(content=content): m = self._make_message() raw_data_manager.set_content(m, content, 'image', 'jpeg') self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: image/jpeg Content-Transfer-Encoding: base64 Ym9ndXMgY29udGVudA== """)) self.assertEqual(m.get_payload(decode=True), content) self.assertEqual(m.get_content(), content) def test_set_audio_aif_with_quoted_printable_cte(self): # Why you would use qp, I don't know, but it is technically supported. # XXX: the incorrect line length is because binascii.b2a_qp doesn't # support a line length parameter, but we must use it to get newline # encoding. # XXX: what about that lack of tailing newline? Do we actually handle # that correctly in all cases? That is, if the *source* has an # unencoded newline, do we add an extra newline to the returned payload # or not? And can that actually be disambiguated based on the RFC? m = self._make_message() content = b'b\xFFgus\tcon\nt\rent ' + b'z'*100 m.set_content(content, 'audio', 'aif', cte='quoted-printable') self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: audio/aif Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 b=FFgus=09con=0At=0Dent=20zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz= zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz""").encode('latin-1')) self.assertEqual(m.get_payload(decode=True), content) self.assertEqual(m.get_content(), content) def test_set_video_mpeg_with_binary_cte(self): m = self._make_message() content = b'b\xFFgus\tcon\nt\rent ' + b'z'*100 m.set_content(content, 'video', 'mpeg', cte='binary') self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: video/mpeg Content-Transfer-Encoding: binary MIME-Version: 1.0 """).encode('ascii') + # XXX: the second \n ought to be a \r, but generator gets it wrong. # THIS MEANS WE DON'T ACTUALLY SUPPORT THE 'binary' CTE. b'b\xFFgus\tcon\nt\nent zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz' + b'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz') self.assertEqual(m.get_payload(decode=True), content) self.assertEqual(m.get_content(), content) def test_set_application_octet_stream_with_8bit_cte(self): # In 8bit mode, univeral line end logic applies. It is up to the # application to make sure the lines are short enough; we don't check. m = self._make_message() content = b'b\xFFgus\tcon\nt\rent\n' + b'z'*60 + b'\n' m.set_content(content, 'application', 'octet-stream', cte='8bit') self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: application/octet-stream Content-Transfer-Encoding: 8bit MIME-Version: 1.0 """).encode('ascii') + b'b\xFFgus\tcon\nt\nent\n' + b'zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz\n') self.assertEqual(m.get_payload(decode=True), content) self.assertEqual(m.get_content(), content) def test_set_headers_from_header_objects(self): m = self._make_message() content = "Simple message.\n" header_factory = self.policy.header_factory raw_data_manager.set_content(m, content, headers=( header_factory("To", "foo@example.com"), header_factory("From", "foo@example.com"), header_factory("Subject", "I'm talking to myself."))) self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" To: foo@example.com From: foo@example.com Subject: I'm talking to myself. Content-Transfer-Encoding: 7bit Simple message. """)) def test_set_headers_from_strings(self): m = self._make_message() content = "Simple message.\n" raw_data_manager.set_content(m, content, headers=( "X-Foo-Header: foo", "X-Bar-Header: bar",)) self.assertEqual(str(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" X-Foo-Header: foo X-Bar-Header: bar Content-Transfer-Encoding: 7bit Simple message. """)) def test_set_headers_with_invalid_duplicate_string_header_raises(self): m = self._make_message() content = "Simple message.\n" with self.assertRaisesRegex(ValueError, 'Content-Type'): raw_data_manager.set_content(m, content, headers=( "Content-Type: foo/bar",) ) def test_set_headers_with_invalid_duplicate_header_header_raises(self): m = self._make_message() content = "Simple message.\n" header_factory = self.policy.header_factory with self.assertRaisesRegex(ValueError, 'Content-Type'): raw_data_manager.set_content(m, content, headers=( header_factory("Content-Type", " foo/bar"),) ) def test_set_headers_with_defective_string_header_raises(self): m = self._make_message() content = "Simple message.\n" with self.assertRaisesRegex(ValueError, 'a@fairly@@invalid@address'): raw_data_manager.set_content(m, content, headers=( 'To: a@fairly@@invalid@address',) ) print(m['To'].defects) def test_set_headers_with_defective_header_header_raises(self): m = self._make_message() content = "Simple message.\n" header_factory = self.policy.header_factory with self.assertRaisesRegex(ValueError, 'a@fairly@@invalid@address'): raw_data_manager.set_content(m, content, headers=( header_factory('To', 'a@fairly@@invalid@address'),) ) print(m['To'].defects) def test_set_disposition_inline(self): m = self._make_message() m.set_content('foo', disposition='inline') self.assertEqual(m['Content-Disposition'], 'inline') def test_set_disposition_attachment(self): m = self._make_message() m.set_content('foo', disposition='attachment') self.assertEqual(m['Content-Disposition'], 'attachment') def test_set_disposition_foo(self): m = self._make_message() m.set_content('foo', disposition='foo') self.assertEqual(m['Content-Disposition'], 'foo') # XXX: we should have a 'strict' policy mode (beyond raise_on_defect) that # would cause 'foo' above to raise. def test_set_filename(self): m = self._make_message() m.set_content('foo', filename='bar.txt') self.assertEqual(m['Content-Disposition'], 'attachment; filename="bar.txt"') def test_set_filename_and_disposition_inline(self): m = self._make_message() m.set_content('foo', disposition='inline', filename='bar.txt') self.assertEqual(m['Content-Disposition'], 'inline; filename="bar.txt"') def test_set_non_ascii_filename(self): m = self._make_message() m.set_content('foo', filename='ábárî.txt') self.assertEqual(bytes(m), textwrap.dedent("""\ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename*=utf-8''%C3%A1b%C3%A1r%C3%AE.txt MIME-Version: 1.0 foo """).encode('ascii')) content_object_params = { 'text_plain': ('content', ()), 'text_html': ('content', ('html',)), 'application_octet_stream': (b'content', ('application', 'octet_stream')), 'image_jpeg': (b'content', ('image', 'jpeg')), 'message_rfc822': (message(), ()), 'message_external_body': (message(), ('external-body',)), } def content_object_as_header_receiver(self, obj, mimetype): m = self._make_message() m.set_content(obj, *mimetype, headers=( 'To: foo@example.com', 'From: bar@simple.net')) self.assertEqual(m['to'], 'foo@example.com') self.assertEqual(m['from'], 'bar@simple.net') def content_object_as_disposition_inline_receiver(self, obj, mimetype): m = self._make_message() m.set_content(obj, *mimetype, disposition='inline') self.assertEqual(m['Content-Disposition'], 'inline') def content_object_as_non_ascii_filename_receiver(self, obj, mimetype): m = self._make_message() m.set_content(obj, *mimetype, disposition='inline', filename='bár.txt') self.assertEqual(m['Content-Disposition'], 'inline; filename="bár.txt"') self.assertEqual(m.get_filename(), "bár.txt") self.assertEqual(m['Content-Disposition'].params['filename'], "bár.txt") def content_object_as_cid_receiver(self, obj, mimetype): m = self._make_message() m.set_content(obj, *mimetype, cid='some_random_stuff') self.assertEqual(m['Content-ID'], 'some_random_stuff') def content_object_as_params_receiver(self, obj, mimetype): m = self._make_message() params = {'foo': 'bár', 'abc': 'xyz'} m.set_content(obj, *mimetype, params=params) if isinstance(obj, str): params['charset'] = 'utf-8' self.assertEqual(m['Content-Type'].params, params) if __name__ == '__main__': unittest.main()