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# -*- coding: utf-8 -*-
import re
from io import StringIO
from django.test import TestCase
from django.core.management import call_command
class ListSignalsTests(TestCase):
"""Tests for list_signals command."""
def setUp(self):
self.out = StringIO()
def test_should_print_all_signals(self):
expected_result = """django.contrib.sites.models.Site (site)
pre_delete
django.contrib.sites.models.clear_site_cache #
pre_save
django.contrib.sites.models.clear_site_cache #
tests.testapp.models.HasOwnerModel (has owner model)
pre_save
tests.testapp.models.dummy_handler #
"""
call_command("list_signals", stdout=self.out)
# Strip line numbers to make the test less brittle
out = re.sub(r"(?<=#)\d+", "", self.out.getvalue(), re.M)
self.assertIn(expected_result, out)
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