mirror of https://github.com/django/django.git
52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
from django.core.exceptions import ValidationError
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from django.core.validators import EMPTY_VALUES
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from django.test.utils import get_warnings_state, restore_warnings_state
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from django.utils.unittest import TestCase
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class LocalFlavorTestCase(TestCase):
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# NOTE: These are copied from the TestCase Django uses for tests which
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# access the database
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def save_warnings_state(self):
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self._warnings_state = get_warnings_state()
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def restore_warnings_state(self):
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restore_warnings_state(self._warnings_state)
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def assertFieldOutput(self, fieldclass, valid, invalid, field_args=[],
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field_kwargs={}, empty_value=u''):
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"""
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Asserts that a field behaves correctly with various inputs.
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Args:
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fieldclass: the class of the field to be tested.
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valid: a dictionary mapping valid inputs to their expected
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cleaned values.
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invalid: a dictionary mapping invalid inputs to one or more
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raised error messages.
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field_args: the args passed to instantiate the field
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field_kwargs: the kwargs passed to instantiate the field
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empty_value: the expected clean output for inputs in EMPTY_VALUES
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"""
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required = fieldclass(*field_args, **field_kwargs)
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optional = fieldclass(*field_args, **dict(field_kwargs, required=False))
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# test valid inputs
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for input, output in valid.items():
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self.assertEqual(required.clean(input), output)
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self.assertEqual(optional.clean(input), output)
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# test invalid inputs
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for input, errors in invalid.items():
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self.assertRaisesRegexp(ValidationError, unicode(errors),
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required.clean, input
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)
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self.assertRaisesRegexp(ValidationError, unicode(errors),
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optional.clean, input
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)
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# test required inputs
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error_required = u'This field is required'
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for e in EMPTY_VALUES:
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self.assertRaisesRegexp(ValidationError, error_required,
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required.clean, e)
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self.assertEqual(optional.clean(e), empty_value)
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