forked from mirror/django-mailbox
108 lines
4 KiB
Python
108 lines
4 KiB
Python
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import email
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import os.path
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from django.test import TestCase
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from django_mailbox import models
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from django_mailbox.models import Mailbox, Message
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class EmailMessageTestCase(TestCase):
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def setUp(self):
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self._ALLOWED_MIMETYPES = models.ALLOWED_MIMETYPES
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self._STRIP_UNALLOWED_MIMETYPES = models.STRIP_UNALLOWED_MIMETYPES
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self._TEXT_STORED_MIMETYPES = models.TEXT_STORED_MIMETYPES
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self.mailbox = Mailbox.objects.create()
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super(EmailMessageTestCase, self).setUp()
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def _get_email_object(self, name):
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with open(os.path.join(os.path.dirname(__file__), name), 'r') as f:
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return email.message_from_string(
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f.read()
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)
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def _headers_identical(self, left, right):
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""" Check if headers are identical.
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This is particularly tricky because Python 2.6, Python 2.7 and Python 3
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each handle this slightly differently. This should mash away all
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of the differences, though.
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"""
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left = left.replace('\n\t', ' ').replace('\n ', ' ')
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right = right.replace('\n\t', ' ').replace('\n ', ' ')
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if right != left:
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return False
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return True
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def compare_email_objects(self, left, right):
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# Compare headers
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for key, value in left.items():
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if not right[key]:
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raise AssertionError("Extra header '%s'" % key)
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if not self._headers_identical(right[key], value):
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raise AssertionError(
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"Header '%s' unequal:\n%s\n%s" % (
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key,
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repr(value),
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repr(right[key]),
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)
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)
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for key, value in right.items():
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if not left[key]:
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raise AssertionError("Extra header '%s'" % key)
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if not self._headers_identical(left[key], value):
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raise AssertionError(
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"Header '%s' unequal:\n%s\n%s" % (
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key,
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repr(value),
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repr(right[key]),
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)
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)
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if left.is_multipart() != right.is_multipart():
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self._raise_mismatched(left, right)
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if left.is_multipart():
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left_payloads = left.get_payload()
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right_payloads = right.get_payload()
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if len(left_payloads) != len(right_payloads):
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self._raise_mismatched(left, right)
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for n in range(len(left_payloads)):
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self.compare_email_objects(
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left_payloads[n],
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right_payloads[n]
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)
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else:
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if left.get_payload() is None or right.get_payload() is None:
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if left.get_payload() is None:
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if right.get_payload is not None:
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self._raise_mismatched(left, right)
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if right.get_payload() is None:
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if left.get_payload is not None:
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self._raise_mismatched(left, right)
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elif left.get_payload().strip() != right.get_payload().strip():
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self._raise_mismatched(left, right)
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def _raise_mismatched(self, left, right):
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raise AssertionError(
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"Message payloads do not match:\n%s\n%s" % (
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left.as_string(),
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right.as_string()
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)
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)
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def assertEqual(self, left, right):
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if not isinstance(left, email.message.Message):
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return super(EmailMessageTestCase, self).assertEqual(left, right)
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return self.compare_email_objects(left, right)
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def tearDown(self):
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for message in Message.objects.all():
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message.delete()
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models.ALLOWED_MIMETYPES = self._ALLOWED_MIMETYPES
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models.STRIP_UNALLOWED_MIMETYPES = self._STRIP_UNALLOWED_MIMETYPES
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models.TEXT_STORED_MIMETYPES = self._TEXT_STORED_MIMETYPES
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self.mailbox.delete()
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super(EmailMessageTestCase, self).tearDown()
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