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import unittest

from datetime import datetime
from webkitpy.common.net.bugzilla.constants import BUGZILLA_DATE_FORMAT

from webkitpy.common.net.bugzilla.attachment import Attachment


class AttachmentTest(unittest.TestCase):
    def test_no_bug_id(self):
        self.assertEqual(Attachment({'id': 12345}, None).bug_id(), None)

    def test_convert_to_json_and_back(self):
        bugzilla_formatted_date_string = datetime.today().strftime(BUGZILLA_DATE_FORMAT)
        expected_date = datetime.strptime(bugzilla_formatted_date_string, BUGZILLA_DATE_FORMAT)
        attachment = Attachment({'attach_date': expected_date}, None)
        self.assertEqual(Attachment.from_json(attachment.to_json()).attach_date(), expected_date)