test(refactor): use FrappeTestCase

(cherry picked from commit b0d1e6db54)

erpnext/tests/utils.py

@@ -1,10 +1,6 @@
 # Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-import copy
-import signal
-import unittest
-from contextlib import contextmanager
 from typing import Any, Dict, NewType, Optional
 
 import frappe
@@ -13,22 +9,6 @@ from frappe.core.doctype.report.report import get_report_module_dotted_path
 ReportFilters = Dict[str, Any]
 ReportName = NewType("ReportName", str)
 
-
-class ERPNextTestCase(unittest.TestCase):
-	"""A sane default test class for ERPNext tests."""
-
-
-	@classmethod
-	def setUpClass(cls) -> None:
-		frappe.db.commit()
-		return super().setUpClass()
-
-	@classmethod
-	def tearDownClass(cls) -> None:
-		frappe.db.rollback()
-		return super().tearDownClass()
-
-
 def create_test_contact_and_address():
 	frappe.db.sql('delete from tabContact')
 	frappe.db.sql('delete from `tabContact Email`')
@@ -81,43 +61,6 @@ def create_test_contact_and_address():
 	contact_two.insert()
 
 
-@contextmanager
-def change_settings(doctype, settings_dict):
-	""" A context manager to ensure that settings are changed before running
-	function and restored after running it regardless of exceptions occured.
-	This is useful in tests where you want to make changes in a function but
-	don't retain those changes.
-	import and use as decorator to cover full function or using `with` statement.
-
-	example:
-	@change_settings("Stock Settings", {"item_naming_by": "Naming Series"})
-	def test_case(self):
-		...
-	"""
-
-	try:
-		settings = frappe.get_doc(doctype)
-		# remember setting
-		previous_settings = copy.deepcopy(settings_dict)
-		for key in previous_settings:
-			previous_settings[key] = getattr(settings, key)
-
-		# change setting
-		for key, value in settings_dict.items():
-			setattr(settings, key, value)
-		settings.save()
-		# singles are cached by default, clear to avoid flake
-		frappe.db.value_cache[settings] = {}
-		yield # yield control to calling function
-
-	finally:
-		# restore settings
-		settings = frappe.get_doc(doctype)
-		for key, value in previous_settings.items():
-			setattr(settings, key, value)
-		settings.save()
-
-
 def execute_script_report(
 		report_name: ReportName,
 		module: str,
@@ -152,23 +95,3 @@ def execute_script_report(
 			report_execute_fn(filter_with_optional_param)
 
 	return report_data
-
-
-def timeout(seconds=30, error_message="Test timed out."):
-	""" Timeout decorator to ensure a test doesn't run for too long.
-
-		adapted from https://stackoverflow.com/a/2282656"""
-	def decorator(func):
-		def _handle_timeout(signum, frame):
-			raise Exception(error_message)
-
-		def wrapper(*args, **kwargs):
-			signal.signal(signal.SIGALRM, _handle_timeout)
-			signal.alarm(seconds)
-			try:
-				result = func(*args, **kwargs)
-			finally:
-				signal.alarm(0)
-			return result
-		return wrapper
-	return decorator