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# -*- coding: utf-8 -*-
import os
import shutil
from io import StringIO
from tempfile import mkdtemp
from django.core.management import CommandError, call_command
from django.test import TestCase
from django.test.utils import override_settings
from ...testapp.models import Photo
from unittest.mock import patch
class UnreferencedFilesExceptionsTests(TestCase):
@override_settings(MEDIA_ROOT=None)
def test_should_raise_ComandError_if_MEDIA_ROOT_is_not_set(self):
with self.assertRaisesRegex(
CommandError, "MEDIA_ROOT is not set, nothing to do"
):
call_command("unreferenced_files")
class UnreferencedFilesTests(TestCase):
def setUp(self):
self.media_root_dir = mkdtemp()
def tearDown(self):
super().tearDown()
shutil.rmtree(self.media_root_dir)
@patch("sys.stdout", new_callable=StringIO)
def test_should_not_print_any_output(self, m_stdout):
with override_settings(MEDIA_ROOT=self.media_root_dir):
call_command("unreferenced_files")
self.assertIs("", m_stdout.getvalue())
@patch("sys.stdout", new_callable=StringIO)
def test_should_print_unreferenced_hello_txt_file(self, m_stdout):
fn = os.path.join(self.media_root_dir, "hello.txt")
open(fn, "a").close()
with override_settings(MEDIA_ROOT=self.media_root_dir):
call_command("unreferenced_files")
self.assertIn(fn, m_stdout.getvalue())
@patch("sys.stdout", new_callable=StringIO)
def test_should_not_print_referenced_image_jpg_file(self, m_stdout):
fn = os.path.join(self.media_root_dir, "image.jpg")
open(fn, "a").close()
Photo.objects.create(photo="image.jpg")
with override_settings(MEDIA_ROOT=self.media_root_dir):
call_command("unreferenced_files")
self.assertNotIn(fn, m_stdout.getvalue())
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