mirror of https://github.com/django/django.git
68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
import logging
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from django.template import Engine, Variable, VariableDoesNotExist
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from django.test import SimpleTestCase
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class VariableResolveLoggingTests(SimpleTestCase):
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loglevel = logging.DEBUG
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def test_log_on_variable_does_not_exist_silent(self):
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class TestObject:
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class SilentDoesNotExist(Exception):
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silent_variable_failure = True
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@property
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def template_name(self):
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return "template_name"
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@property
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def template(self):
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return Engine().from_string('')
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@property
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def article(self):
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raise TestObject.SilentDoesNotExist("Attribute does not exist.")
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def __iter__(self):
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return (attr for attr in dir(TestObject) if attr[:2] != "__")
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def __getitem__(self, item):
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return self.__dict__[item]
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with self.assertLogs('django.template', self.loglevel) as cm:
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Variable('article').resolve(TestObject())
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self.assertEqual(len(cm.records), 1)
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log_record = cm.records[0]
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self.assertEqual(
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log_record.getMessage(),
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"Exception while resolving variable 'article' in template 'template_name'."
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)
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self.assertIsNotNone(log_record.exc_info)
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raised_exception = log_record.exc_info[1]
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self.assertEqual(str(raised_exception), 'Attribute does not exist.')
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def test_log_on_variable_does_not_exist_not_silent(self):
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with self.assertLogs('django.template', self.loglevel) as cm:
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with self.assertRaises(VariableDoesNotExist):
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Variable('article.author').resolve({'article': {'section': 'News'}})
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self.assertEqual(len(cm.records), 1)
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log_record = cm.records[0]
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self.assertEqual(
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log_record.getMessage(),
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"Exception while resolving variable 'author' in template 'unknown'."
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)
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self.assertIsNotNone(log_record.exc_info)
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raised_exception = log_record.exc_info[1]
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self.assertEqual(
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str(raised_exception),
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"Failed lookup for key [author] in {'section': 'News'}"
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)
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def test_no_log_when_variable_exists(self):
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with self.assertRaisesMessage(AssertionError, 'no logs'):
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with self.assertLogs('django.template', self.loglevel):
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Variable('article.section').resolve({'article': {'section': 'News'}})
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