import unittest
from unittest import mock

from django.core.checks import Error
from django.test import TestCase

from ..checks import changed_password_check
from ..checks import parser_check
from ..models import Document
from ..signals import document_consumer_declaration
from .factories import DocumentFactory


class ChecksTestCase(TestCase):
    def test_changed_password_check_empty_db(self):
        self.assertEqual(changed_password_check(None), [])

    def test_changed_password_check_no_encryption(self):
        DocumentFactory.create(storage_type=Document.STORAGE_TYPE_UNENCRYPTED)
        self.assertEqual(changed_password_check(None), [])

    def test_parser_check(self):

        self.assertEqual(parser_check(None), [])

        with mock.patch("documents.checks.document_consumer_declaration.send") as m:
            m.return_value = []

            self.assertEqual(
                parser_check(None),
                [
                    Error(
                        "No parsers found. This is a bug. The consumer won't be "
                        "able to consume any documents without parsers.",
                    ),
                ],
            )