2020-11-17 22:24:47 +01:00

353 lines
13 KiB
Python

import uuid
from collections import namedtuple
from typing import ContextManager
from unittest import mock
from django.test import TestCase
from imap_tools import MailMessageFlags, MailboxFolderSelectError
from documents.models import Correspondent
from paperless_mail.mail import get_correspondent, get_title, handle_message, handle_mail_account, MailError
from paperless_mail.models import MailRule, MailAccount
class BogusFolderManager:
current_folder = "INBOX"
def set(self, new_folder):
if new_folder not in ["INBOX", "spam"]:
raise MailboxFolderSelectError(None, "uhm")
self.current_folder = new_folder
class BogusMailBox(ContextManager):
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
pass
def __init__(self):
self.messages = []
self.messages_spam = []
def login(self, username, password):
if not (username == 'admin' and password == 'secret'):
raise Exception()
folder = BogusFolderManager()
def fetch(self, criteria, mark_seen):
msg = self.messages
criteria = str(criteria).strip('()').split(" ")
if 'UNSEEN' in criteria:
msg = filter(lambda m: not m.seen, msg)
if 'SUBJECT' in criteria:
subject = criteria[criteria.index('SUBJECT') + 1].strip('"')
msg = filter(lambda m: subject in m.subject, msg)
if 'BODY' in criteria:
body = criteria[criteria.index('BODY') + 1].strip('"')
msg = filter(lambda m: body in m.body, msg)
if 'FROM' in criteria:
from_ = criteria[criteria.index('FROM') + 1].strip('"')
msg = filter(lambda m: from_ in m.from_, msg)
if 'UNFLAGGED' in criteria:
msg = filter(lambda m: not m.flagged, msg)
return list(msg)
def seen(self, uid_list, seen_val):
for message in self.messages:
if message.uid in uid_list:
message.seen = seen_val
def delete(self, uid_list):
self.messages = list(filter(lambda m: m.uid not in uid_list, self.messages))
def flag(self, uid_list, flag_set, value):
for message in self.messages:
if message.uid in uid_list:
for flag in flag_set:
if flag == MailMessageFlags.FLAGGED:
message.flagged = value
def move(self, uid_list, folder):
if folder == "spam":
self.messages_spam.append(
filter(lambda m: m.uid in uid_list, self.messages)
)
self.messages = list(
filter(lambda m: m.uid not in uid_list, self.messages)
)
else:
raise Exception()
def create_message(num_attachments=1, body="", subject="the suject", from_="noone@mail.com", seen=False, flagged=False):
message = namedtuple('MailMessage', [])
message.uid = uuid.uuid4()
message.subject = subject
message.attachments = []
message.from_ = from_
message.body = body
for i in range(num_attachments):
attachment = namedtuple('Attachment', [])
attachment.filename = 'some_file.pdf'
attachment.content_type = 'application/pdf'
attachment.payload = b'content of the attachment'
message.attachments.append(attachment)
message.seen = seen
message.flagged = flagged
return message
class TestMail(TestCase):
def setUp(self):
patcher = mock.patch('paperless_mail.mail.MailBox')
m = patcher.start()
self.bogus_mailbox = BogusMailBox()
m.return_value = self.bogus_mailbox
self.addCleanup(patcher.stop)
patcher = mock.patch('paperless_mail.mail.async_task')
self.async_task = patcher.start()
self.addCleanup(patcher.stop)
self.reset_bogus_mailbox()
def reset_bogus_mailbox(self):
self.bogus_mailbox.messages = []
self.bogus_mailbox.messages_spam = []
self.bogus_mailbox.messages.append(create_message(subject="Invoice 1", from_="amazon@amazon.de", body="cables", seen=True, flagged=False))
self.bogus_mailbox.messages.append(create_message(subject="Invoice 2", body="from my favorite electronic store", seen=False, flagged=True))
self.bogus_mailbox.messages.append(create_message(subject="Claim your $10M price now!", from_="amazon@amazon-some-indian-site.org", seen=False))
def test_get_correspondent(self):
message = namedtuple('MailMessage', [])
message.from_ = "someone@somewhere.com"
message.from_values = {'name': "Someone!", 'email': "someone@somewhere.com"}
message2 = namedtuple('MailMessage', [])
message2.from_ = "me@localhost.com"
message2.from_values = {'name': "", 'email': "fake@localhost.com"}
me_localhost = Correspondent.objects.create(name=message2.from_)
someone_else = Correspondent.objects.create(name="someone else")
rule = MailRule(assign_correspondent_from=MailRule.CORRESPONDENT_FROM_NOTHING)
self.assertIsNone(get_correspondent(message, rule))
rule = MailRule(assign_correspondent_from=MailRule.CORRESPONDENT_FROM_EMAIL)
c = get_correspondent(message, rule)
self.assertIsNotNone(c)
self.assertEqual(c.name, "someone@somewhere.com")
c = get_correspondent(message2, rule)
self.assertIsNotNone(c)
self.assertEqual(c.name, "me@localhost.com")
self.assertEqual(c.id, me_localhost.id)
rule = MailRule(assign_correspondent_from=MailRule.CORRESPONDENT_FROM_NAME)
c = get_correspondent(message, rule)
self.assertIsNotNone(c)
self.assertEqual(c.name, "Someone!")
c = get_correspondent(message2, rule)
self.assertIsNotNone(c)
self.assertEqual(c.id, me_localhost.id)
rule = MailRule(assign_correspondent_from=MailRule.CORRESPONDENT_FROM_CUSTOM, assign_correspondent=someone_else)
c = get_correspondent(message, rule)
self.assertEqual(c, someone_else)
def test_get_title(self):
message = namedtuple('MailMessage', [])
message.subject = "the message title"
att = namedtuple('Attachment', [])
att.filename = "this_is_the_file.pdf"
rule = MailRule(assign_title_from=MailRule.TITLE_FROM_FILENAME)
self.assertEqual(get_title(message, att, rule), "this_is_the_file")
rule = MailRule(assign_title_from=MailRule.TITLE_FROM_SUBJECT)
self.assertEqual(get_title(message, att, rule), "the message title")
def test_handle_message(self):
message = namedtuple('MailMessage', [])
message.subject = "the message title"
att = namedtuple('Attachment', [])
att.filename = "test1.pdf"
att.content_type = 'application/pdf'
att.payload = b"attachment contents"
att2 = namedtuple('Attachment', [])
att2.filename = "test2.pdf"
att2.content_type = 'application/pdf'
att2.payload = b"attachment contents"
att3 = namedtuple('Attachment', [])
att3.filename = "test3.pdf"
att3.content_type = 'application/invalid'
att3.payload = b"attachment contents"
message.attachments = [att, att2, att3]
rule = MailRule(assign_title_from=MailRule.TITLE_FROM_FILENAME)
result = handle_message(message, rule)
self.assertEqual(result, 2)
self.assertEqual(len(self.async_task.call_args_list), 2)
args1, kwargs1 = self.async_task.call_args_list[0]
args2, kwargs2 = self.async_task.call_args_list[1]
self.assertEqual(kwargs1['override_title'], "test1")
self.assertEqual(kwargs1['override_filename'], "test1.pdf")
self.assertEqual(kwargs2['override_title'], "test2")
self.assertEqual(kwargs2['override_filename'], "test2.pdf")
@mock.patch("paperless_mail.mail.async_task")
def test_handle_empty_message(self, m):
message = namedtuple('MailMessage', [])
message.attachments = []
rule = MailRule()
result = handle_message(message, rule)
self.assertFalse(m.called)
self.assertEqual(result, 0)
def test_handle_mail_account_mark_read(self):
account = MailAccount.objects.create(name="test", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_MARK_READ)
self.assertEqual(self.async_task.call_count, 0)
self.assertEqual(len(self.bogus_mailbox.fetch("UNSEEN", False)), 2)
handle_mail_account(account)
self.assertEqual(self.async_task.call_count, 2)
self.assertEqual(len(self.bogus_mailbox.fetch("UNSEEN", False)), 0)
def test_handle_mail_account_delete(self):
account = MailAccount.objects.create(name="test", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_DELETE, filter_subject="Invoice")
self.assertEqual(self.async_task.call_count, 0)
self.assertEqual(len(self.bogus_mailbox.messages), 3)
handle_mail_account(account)
self.assertEqual(self.async_task.call_count, 2)
self.assertEqual(len(self.bogus_mailbox.messages), 1)
def test_handle_mail_account_flag(self):
account = MailAccount.objects.create(name="test", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_FLAG, filter_subject="Invoice")
self.assertEqual(self.async_task.call_count, 0)
self.assertEqual(len(self.bogus_mailbox.fetch("UNFLAGGED", False)), 2)
handle_mail_account(account)
self.assertEqual(self.async_task.call_count, 1)
self.assertEqual(len(self.bogus_mailbox.fetch("UNFLAGGED", False)), 1)
def test_handle_mail_account_move(self):
account = MailAccount.objects.create(name="test", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_MOVE, action_parameter="spam", filter_subject="Claim")
self.assertEqual(self.async_task.call_count, 0)
self.assertEqual(len(self.bogus_mailbox.messages), 3)
self.assertEqual(len(self.bogus_mailbox.messages_spam), 0)
handle_mail_account(account)
self.assertEqual(self.async_task.call_count, 1)
self.assertEqual(len(self.bogus_mailbox.messages), 2)
self.assertEqual(len(self.bogus_mailbox.messages_spam), 1)
def test_errors(self):
account = MailAccount.objects.create(name="test", imap_server="", username="admin", password="wrong")
try:
handle_mail_account(account)
except MailError as e:
self.assertTrue(str(e).startswith("Error while authenticating account"))
else:
self.fail("Should raise exception")
account = MailAccount.objects.create(name="test2", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, folder="uuuh")
try:
handle_mail_account(account)
except MailError as e:
self.assertTrue("uuuh does not exist" in str(e))
else:
self.fail("Should raise exception")
account = MailAccount.objects.create(name="test3", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_MOVE, action_parameter="doesnotexist", filter_subject="Claim")
try:
handle_mail_account(account)
except MailError as e:
self.assertTrue("Error while processing post-consume actions" in str(e))
else:
self.fail("Should raise exception")
def test_filters(self):
account = MailAccount.objects.create(name="test3", imap_server="", username="admin", password="secret")
rule = MailRule.objects.create(name="testrule", account=account, action=MailRule.ACTION_DELETE, filter_subject="Claim")
self.assertEqual(self.async_task.call_count, 0)
self.assertEqual(len(self.bogus_mailbox.messages), 3)
handle_mail_account(account)
self.assertEqual(len(self.bogus_mailbox.messages), 2)
self.assertEqual(self.async_task.call_count, 1)
self.reset_bogus_mailbox()
rule.filter_subject = None
rule.filter_body = "electronic"
rule.save()
self.assertEqual(len(self.bogus_mailbox.messages), 3)
handle_mail_account(account)
self.assertEqual(len(self.bogus_mailbox.messages), 2)
self.assertEqual(self.async_task.call_count, 2)
self.reset_bogus_mailbox()
rule.filter_from = "amazon"
rule.filter_body = None
rule.save()
self.assertEqual(len(self.bogus_mailbox.messages), 3)
handle_mail_account(account)
self.assertEqual(len(self.bogus_mailbox.messages), 1)
self.assertEqual(self.async_task.call_count, 4)
self.reset_bogus_mailbox()
rule.filter_from = "amazon"
rule.filter_body = "cables"
rule.filter_subject = "Invoice"
rule.save()
self.assertEqual(len(self.bogus_mailbox.messages), 3)
handle_mail_account(account)
self.assertEqual(len(self.bogus_mailbox.messages), 2)
self.assertEqual(self.async_task.call_count, 5)