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92 lines
3.5 KiB
Python
92 lines
3.5 KiB
Python
from django.test import TestCase, override_settings
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from rest_framework.settings import APISettings, api_settings
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class TestSettings(TestCase):
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def test_import_error_message_maintained(self):
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"""
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Make sure import errors are captured and raised sensibly.
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"""
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settings = APISettings({
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'DEFAULT_RENDERER_CLASSES': [
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'tests.invalid_module.InvalidClassName'
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]
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})
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with self.assertRaises(ImportError):
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settings.DEFAULT_RENDERER_CLASSES
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def test_warning_raised_on_removed_setting(self):
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"""
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Make sure user is alerted with an error when a removed setting
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is set.
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"""
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with self.assertRaises(RuntimeError):
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APISettings({
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'MAX_PAGINATE_BY': 100
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})
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def test_compatibility_with_override_settings(self):
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"""
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Ref #5658 & #2466: Documented usage of api_settings
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is bound at import time:
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from rest_framework.settings import api_settings
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setting_changed signal hook must ensure bound instance
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is refreshed.
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"""
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assert api_settings.PAGE_SIZE is None, "Checking a known default should be None"
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with override_settings(REST_FRAMEWORK={'PAGE_SIZE': 10}):
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assert api_settings.PAGE_SIZE == 10, "Setting should have been updated"
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assert api_settings.PAGE_SIZE is None, "Setting should have been restored"
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def test_pagination_settings(self):
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"""
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Integration tests for pagination system check.
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"""
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from rest_framework.checks import pagination_system_check
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def get_pagination_error(error_id: str):
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errors = pagination_system_check(app_configs=None)
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return next((error for error in errors if error.id == error_id), None)
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self.assertIsNone(api_settings.PAGE_SIZE)
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self.assertIsNone(api_settings.MAX_PAGE_SIZE)
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self.assertIsNone(api_settings.DEFAULT_PAGINATION_CLASS)
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pagination_error = get_pagination_error('rest_framework.W001')
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self.assertIsNone(pagination_error)
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with override_settings(REST_FRAMEWORK={'PAGE_SIZE': 10}):
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pagination_error = get_pagination_error('rest_framework.W001')
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self.assertIsNotNone(pagination_error)
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with override_settings(REST_FRAMEWORK={'MAX_PAGE_SIZE': 10}):
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pagination_error = get_pagination_error('rest_framework.W001')
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self.assertIsNotNone(pagination_error)
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default_pagination_class = 'rest_framework.pagination.PageNumberPagination'
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with override_settings(REST_FRAMEWORK={'PAGE_SIZE': 10, 'DEFAULT_PAGINATION_CLASS': default_pagination_class}):
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pagination_error = get_pagination_error('rest_framework.W001')
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self.assertIsNone(pagination_error)
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with override_settings(REST_FRAMEWORK={'MAX_PAGE_SIZE': 10, 'DEFAULT_PAGINATION_CLASS': default_pagination_class}):
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pagination_error = get_pagination_error('rest_framework.W001')
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self.assertIsNone(pagination_error)
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class TestSettingTypes(TestCase):
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def test_settings_consistently_coerced_to_list(self):
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settings = APISettings({
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'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
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})
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self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))
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settings = APISettings({
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'DEFAULT_THROTTLE_CLASSES': ()
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})
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self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))
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