from __future__ import unicode_literals

from django.test import TestCase

from rest_framework.settings import APISettings


class TestSettings(TestCase):
    def test_import_error_message_maintained(self):
        """
        Make sure import errors are captured and raised sensibly.
        """
        settings = APISettings({
            'DEFAULT_RENDERER_CLASSES': [
                'tests.invalid_module.InvalidClassName'
            ]
        })
        with self.assertRaises(ImportError):
            settings.DEFAULT_RENDERER_CLASSES


class TestSettingTypes(TestCase):
    def test_settings_consistently_coerced_to_list(self):
        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ()
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

from __future__ import unicode_literals

from django.test import TestCase

from rest_framework.settings import APISettings


class TestSettings(TestCase):
    def test_import_error_message_maintained(self):
        """
        Make sure import errors are captured and raised sensibly.
        """
        settings = APISettings({
            'DEFAULT_RENDERER_CLASSES': [
                'tests.invalid_module.InvalidClassName'
            ]
        })
        with self.assertRaises(ImportError):
            settings.DEFAULT_RENDERER_CLASSES

    def test_loud_error_raised_on_removed_setting(self):
        """
        Make sure user is alerted with an error when a removed setting
        is set.
        """
        with self.asserRaise(AttributeError):
            APISettings({
                'MAX_PAGINATE_BY': 100
            })


class TestSettingTypes(TestCase):
    def test_settings_consistently_coerced_to_list(self):
        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ()
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

Test case for settings check
Test case for settings check

  from __future__ import unicode_literals
  
  from django.test import TestCase
  
  from rest_framework.settings import APISettings
  
  
  class TestSettings(TestCase):
      def test_import_error_message_maintained(self):
          """
          Make sure import errors are captured and raised sensibly.
          """
          settings = APISettings({
              'DEFAULT_RENDERER_CLASSES': [
                  'tests.invalid_module.InvalidClassName'
              ]
          })
          with self.assertRaises(ImportError):
              settings.DEFAULT_RENDERER_CLASSES
  
+     def test_loud_error_raised_on_removed_setting(self):
+         """
+         Make sure user is alerted with an error when a removed setting
+         is set.
+         """
+         with self.asserRaise(AttributeError):
+             APISettings({
+                 'MAX_PAGINATE_BY': 100
+             })
+ 
  
  class TestSettingTypes(TestCase):
      def test_settings_consistently_coerced_to_list(self):
          settings = APISettings({
              'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
          })
          self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))
  
          settings = APISettings({
              'DEFAULT_THROTTLE_CLASSES': ()
          })
          self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))
  
Test case for settings check
## Code Before:
from __future__ import unicode_literals

from django.test import TestCase

from rest_framework.settings import APISettings


class TestSettings(TestCase):
    def test_import_error_message_maintained(self):
        """
        Make sure import errors are captured and raised sensibly.
        """
        settings = APISettings({
            'DEFAULT_RENDERER_CLASSES': [
                'tests.invalid_module.InvalidClassName'
            ]
        })
        with self.assertRaises(ImportError):
            settings.DEFAULT_RENDERER_CLASSES


class TestSettingTypes(TestCase):
    def test_settings_consistently_coerced_to_list(self):
        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ()
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

## Instruction:
Test case for settings check
## Code After:
from __future__ import unicode_literals

from django.test import TestCase

from rest_framework.settings import APISettings


class TestSettings(TestCase):
    def test_import_error_message_maintained(self):
        """
        Make sure import errors are captured and raised sensibly.
        """
        settings = APISettings({
            'DEFAULT_RENDERER_CLASSES': [
                'tests.invalid_module.InvalidClassName'
            ]
        })
        with self.assertRaises(ImportError):
            settings.DEFAULT_RENDERER_CLASSES

    def test_loud_error_raised_on_removed_setting(self):
        """
        Make sure user is alerted with an error when a removed setting
        is set.
        """
        with self.asserRaise(AttributeError):
            APISettings({
                'MAX_PAGINATE_BY': 100
            })


class TestSettingTypes(TestCase):
    def test_settings_consistently_coerced_to_list(self):
        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ('rest_framework.throttling.BaseThrottle',)
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))

        settings = APISettings({
            'DEFAULT_THROTTLE_CLASSES': ()
        })
        self.assertTrue(isinstance(settings.DEFAULT_THROTTLE_CLASSES, list))
