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# -*- coding: utf-8 -*-
# pylint: disable=R0904,C0103
# - Too many public methods
# - Invalid name XXX (should match YYY)

import unittest
import email
import datetime

from storm.exceptions import IntegrityError
from mailman.email.message import Message

from kittystore.storm import get_storm_store
from kittystore.storm.model import Email, Attachment

from kittystore.test import get_test_file


class FakeList(object):
    # pylint: disable=R0903
    # (Too few public methods)
    def __init__(self, name):
        self.fqdn_listname = name
        self.display_name = None


class TestStormStore(unittest.TestCase):

    def setUp(self):
        self.store = get_storm_store("sqlite:")

    def tearDown(self):
        self.store.close()

    def test_no_message_id(self):
        msg = Message()
        self.assertRaises(ValueError, self.store.add_to_list,
                          FakeList("example-list"), msg)

    def test_no_date(self):
        msg = Message()
        msg["From"] = "dummy@example.com"
        msg["Message-ID"] = "<dummy>"
        msg.set_payload("Dummy message")
        now = datetime.datetime.now()
        try:
            self.store.add_to_list(FakeList("example-list"), msg)
        except IntegrityError, e:
            self.fail(e)
        stored_msg = self.store.db.find(Email).one()
        self.assertTrue(stored_msg.date >= now)

    def test_date_naive(self):
        msg = Message()
        msg["From"] = "dummy@example.com"
        msg["Message-ID"] = "<dummy>"
        msg["Date"] = "Fri, 02 Nov 2012 16:07:54"
        msg.set_payload("Dummy message")
        try:
            self.store.add_to_list(FakeList("example-list"), msg)
        except IntegrityError, e:
            self.fail(e)
        stored_msg = self.store.db.find(Email).one()
        expected = datetime.datetime(2012, 11, 2, 16, 7, 54)
        self.assertEqual(stored_msg.date, expected)

    def test_attachment_insert_order(self):
        """Attachments must not be inserted in the DB before the email"""
        # Re-activate foreign key support in sqlite
        self.store.db._connection._raw_connection.isolation_level = 'IMMEDIATE'
        self.store.db.execute("PRAGMA foreign_keys = ON")
        self.store.db._connection._raw_connection.execute("PRAGMA foreign_keys = ON")
        #print "*"*10, list(self.store.db.execute("PRAGMA foreign_keys"))
        #self.store = get_storm_store("postgres://kittystore:kittystore@localhost/kittystore_test")
        with open(get_test_file("attachment-1.txt")) as email_file:
            msg = email.message_from_file(email_file, _class=Message)
        try:
            self.store.add_to_list(FakeList("example-list"), msg)
        except IntegrityError, e:
            self.fail(e)
        self.assertEqual(self.store.db.find(Email).count(), 1)
        self.assertEqual(self.store.db.find(Attachment).count(), 1)

    #def test_non_ascii_payload(self):
    #    """add_to_list must handle non-ascii messages"""
    #    with open(get_test_file("non-ascii-payload.txt")) as email_file:
    #        msg = email.message_from_file(email_file)
    #    self.store.add_to_list("example-list", msg)
    #    try:
    #        self.store.session.flush()
    #    except ProgrammingError, e:
    #        self.fail(e)
    #    print msg.items()
    #    email_table = get_class_object(list_to_table_name("example-list"), 'email',
    #        self.store.metadata)
    #    emails = self.store.session.query(email_table).all()
    #    for e in emails:
    #        print e.content

    #def test_non_ascii_headers(self):
    #    """add_to_list must handle non-ascii headers"""
    #    mbox = mailbox.mbox(get_test_file("non-ascii-headers.txt"))
    #    for msg in mbox:
    #        self.store.add_to_list("example-list", msg)
    #    self.store.session.flush()
    #    email_table = get_class_object(list_to_table_name("example-list"), 'email',
    #        self.store.metadata)
    #    for msg in self.store.session.query(email_table).all():
    #        print repr(msg.sender), repr(msg.subject)
    #        self.failIf("=?" in msg.sender,
    #                "From header not decoded: %s" % msg.sender)
    #        self.failIf("=?" in msg.subject,
    #                "Subject header not decoded: %s" % msg.sender)