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✏️ x3_stubout_test.py

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Unit tests for mox3_stubout."""

import datetime
import math
import os
import unittest
from os import path

from pyfakefs import mox3_stubout
from pyfakefs.tests import mox3_stubout_example

class NoPanicMath:
    real_math = math

@staticmethod
    def fabs(_x):
        return 42

def __getattr__(self, name):
        """Forwards any unfaked calls to the standard module."""
        return getattr(self.real_math, name)

class ExistingPath:
    real_path = path

@staticmethod
    def exists(_path):
        return True

def __getattr__(self, name):
        """Forwards any unfaked calls to the standard module."""
        return getattr(self.real_path, name)

class GroundhogDate(datetime.date):
    @classmethod
    def today(cls):
        return datetime.date(1993, 2, 2)

class StubOutForTestingTest(unittest.TestCase):
    def setUp(self):
        super().setUp()
        self.stubber = mox3_stubout.StubOutForTesting()

def test_stubout_method_with_set(self):
        non_existing_path = "non_existing_path"
        self.assertFalse(mox3_stubout_example.check_if_exists(non_existing_path))
        self.stubber.set(os.path, "exists", lambda x: True)
        self.assertTrue(mox3_stubout_example.check_if_exists(non_existing_path))
        self.stubber.unset_all()
        self.assertFalse(mox3_stubout_example.check_if_exists(non_existing_path))

def test_stubout_class_with_set(self):
        self.assertGreater(mox3_stubout_example.tomorrow().year, 2000)

self.stubber.set(datetime, "date", GroundhogDate)
        self.assertEqual(mox3_stubout_example.tomorrow(), datetime.date(1993, 2, 3))

self.stubber.unset_all()
        self.assertGreater(mox3_stubout_example.tomorrow().year, 2000)

def test_stubout_module_with_set(self):
        self.assertEqual(10, mox3_stubout_example.fabs(-10))

self.stubber.set(mox3_stubout_example, "math", NoPanicMath)
        self.assertEqual(42, mox3_stubout_example.fabs(-10))

self.stubber.unset_all()
        self.assertEqual(10, mox3_stubout_example.fabs(-10))

def test_set_raise_if_unknown_attribute(self):
        self.assertRaises(
            AttributeError,
            self.stubber.set,
            os.path,
            "exists_not",
            lambda x: True,
        )
        self.assertRaises(
            AttributeError,
            self.stubber.set,
            datetime,
            "tomorrow",
            GroundhogDate,
        )
        self.assertRaises(
            AttributeError,
            self.stubber.set,
            mox3_stubout_example,
            "math1",
            NoPanicMath,
        )

def test_stubout_method_with_smart_set(self):
        non_existing_path = "non_existing_path"
        self.stubber.smart_set(os.path, "exists", lambda x: True)
        self.assertTrue(mox3_stubout_example.check_if_exists(non_existing_path))
        self.stubber.smart_unset_all()
        self.assertFalse(mox3_stubout_example.check_if_exists(non_existing_path))

def test_stubout_class_with_smart_set(self):
        self.stubber.smart_set(datetime, "date", GroundhogDate)
        self.assertEqual(mox3_stubout_example.tomorrow(), datetime.date(1993, 2, 3))

self.stubber.smart_unset_all()
        self.assertGreater(mox3_stubout_example.tomorrow().year, 2000)

def test_stubout_module_with_smart_set(self):
        self.assertEqual(10, mox3_stubout_example.fabs(-10))

self.stubber.smart_set(mox3_stubout_example, "math", NoPanicMath)
        self.assertEqual(42, mox3_stubout_example.fabs(-10))

self.stubber.smart_unset_all()
        self.assertEqual(10, mox3_stubout_example.fabs(-10))

def test_stubout_submodule_with_smart_set(self):
        # this one does not work with Set
        non_existing_path = "non_existing_path"
        self.assertFalse(mox3_stubout_example.check_if_exists(non_existing_path))
        self.stubber.smart_set(os, "path", ExistingPath)
        self.assertTrue(mox3_stubout_example.check_if_exists(non_existing_path))
        self.stubber.smart_unset_all()
        self.assertFalse(mox3_stubout_example.check_if_exists(non_existing_path))

def test_smart_set_raise_if_unknown_attribute(self):
        self.assertRaises(
            AttributeError,
            self.stubber.smart_set,
            os.path,
            "exists_not",
            lambda x: True,
        )
        self.assertRaises(
            AttributeError,
            self.stubber.smart_set,
            datetime,
            "tomorrow",
            GroundhogDate,
        )
        self.assertRaises(
            AttributeError,
            self.stubber.smart_set,
            mox3_stubout_example,
            "math1",
            NoPanicMath,
        )

if __name__ == "__main__":
    unittest.main()

Batal

⬅ pyfakefs 27 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁__pycache__	dir	—	2026-03-11 18:53	📂 Buka
📁fixtures	dir	—	2026-03-11 18:53	📂 Buka
🐍__init__.py	py	0 B	2026-01-20 12:58	✏️ 👁️
🐍all_tests.py	py	2.5 KB	2026-01-20 12:58	✏️ 👁️
🐍all_tests_without_extra_packages.py	py	993 B	2026-01-20 12:58	✏️ 👁️
🐍dynamic_patch_test.py	py	2 KB	2026-01-20 12:58	✏️ 👁️
🐍example.py	py	3.9 KB	2026-01-20 12:58	✏️ 👁️
🐍example_test.py	py	6.8 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_filesystem_glob_test.py	py	2.8 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_filesystem_shutil_test.py	py	23.3 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_filesystem_test.py	py	110.7 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_filesystem_unittest_test.py	py	38.8 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_filesystem_vs_real_test.py	py	30 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_legacy_modules_test.py	py	3.7 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_open_test.py	py	89.1 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_os_test.py	py	239.1 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_pathlib_test.py	py	70.2 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_stat_time_test.py	py	21.8 KB	2026-01-20 12:58	✏️ 👁️
🐍fake_tempfile_test.py	py	4.1 KB	2026-01-20 12:58	✏️ 👁️
🐍import_as_example.py	py	3.2 KB	2026-01-20 12:58	✏️ 👁️
🐍logsio.py	py	832 B	2026-01-20 12:58	✏️ 👁️
🐍mox3_stubout_example.py	py	893 B	2026-01-20 12:58	✏️ 👁️
🐍mox3_stubout_test.py	py	5.2 KB	2026-01-20 12:58	✏️ 👁️
🐍patched_packages_test.py	py	2.5 KB	2026-01-20 12:58	✏️ 👁️
🐍performance_test.py	py	2.6 KB	2026-01-20 12:58	✏️ 👁️
🐍skipped_pathlib.py	py	1.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_utils.py	py	16.1 KB	2026-01-20 12:58	✏️ 👁️

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