feat: обновления парсеров, тестов и миграций

- Обновлены клиенты парсеров (checko, fns, minpromtorg, proverki, zakupki)
- Добавлены новые миграции для моделей
- Расширено покрытие тестами
- Обновлены конфигурации и настройки проекта
- Добавлены утилиты для тестирования

Co-Authored-By: Warp <agent@warp.dev>

tests/apps/core/test_management_commands.py

@@ -3,7 +3,7 @@
 from io import StringIO
 
 from apps.core.management.commands.base import BaseAppCommand
-from django.core.management.base import CommandError
+from django.core.management.base import CommandError, OutputWrapper
 from django.test import TestCase
 
 
@@ -18,6 +18,23 @@ class TestCommand(BaseAppCommand):
         return "Success"
 
 
+class TransactionCommand(BaseAppCommand):
+    """Команда для тестов транзакций и dry-run."""
+
+    use_transaction = True
+
+    def execute_command(self, *args, **options):
+        from apps.core.models import BackgroundJob
+
+        BackgroundJob.objects.create(
+            task_id=options.get("task_id", "tx-task"),
+            task_name="test.command",
+        )
+        if options.get("fail"):
+            raise ValueError("tx error")
+        return "OK"
+
+
 class BaseAppCommandTest(TestCase):
     """Тесты для BaseAppCommand."""
 
@@ -73,6 +90,14 @@ class BaseAppCommandTest(TestCase):
         result = cmd.confirm("Continue?")
         self.assertTrue(result)
 
+    def test_confirm_with_input_func(self):
+        cmd = BaseAppCommand()
+        cmd.stdout = OutputWrapper(StringIO())
+        cmd.dry_run = False
+        cmd.silent = True
+        cmd.input_func = lambda: "y"
+        self.assertTrue(cmd.confirm("Proceed?"))
+
     def test_abort_raises_command_error(self):
         """Тест прерывания команды."""
         cmd = BaseAppCommand()
@@ -90,3 +115,51 @@ class BaseAppCommandTest(TestCase):
             pass  # Операция
 
         # Не должно падать
+
+    def test_handle_success(self):
+        cmd = TestCommand()
+        cmd.stdout = StringIO()
+        cmd.stderr = StringIO()
+        result = cmd.handle()
+        self.assertEqual(result, "Success")
+
+    def test_handle_raises_command_error(self):
+        cmd = TestCommand()
+        cmd.stdout = StringIO()
+        cmd.stderr = StringIO()
+        with self.assertRaises(CommandError):
+            cmd.handle(fail=True)
+
+    def test_handle_dry_run_rolls_back(self):
+        cmd = TransactionCommand()
+        cmd.stdout = StringIO()
+        cmd.stderr = StringIO()
+        cmd.handle(dry_run=True, silent=True)
+
+        from apps.core.models import BackgroundJob
+
+        self.assertEqual(BackgroundJob.objects.count(), 0)
+
+    def test_handle_transaction_persists(self):
+        cmd = TransactionCommand()
+        cmd.stdout = StringIO()
+        cmd.stderr = StringIO()
+        cmd.handle(dry_run=False, silent=True, task_id="persist-task")
+
+        from apps.core.models import BackgroundJob
+
+        self.assertTrue(
+            BackgroundJob.objects.filter(task_id="persist-task").exists()
+        )
+
+    def test_progress_iter_without_total(self):
+        cmd = BaseAppCommand()
+        cmd.stdout = StringIO()
+        cmd.silent = True
+
+        def generator():
+            for idx in range(3):
+                yield idx
+
+        result = list(cmd.progress_iter(generator(), "Iter"))
+        self.assertEqual(result, [0, 1, 2])