from unittest import mock from django.test import TestCase from ..models import Document, Correspondent class TestDocument(TestCase): def test_file_deletion(self): document = Document.objects.create( correspondent=Correspondent.objects.create(name="Test0"), title="Title", content="content", checksum="checksum", ) file_path = document.source_path thumb_path = document.thumbnail_path with mock.patch("documents.signals.handlers.os.unlink") as mock_unlink: document.delete() mock_unlink.assert_any_call(file_path) mock_unlink.assert_any_call(thumb_path) self.assertEqual(mock_unlink.call_count, 2)