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Add tests for qs_exists (#4822)
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@ -1,10 +1,10 @@
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import datetime
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from django.db import models
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from django.db import DataError, models
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from django.test import TestCase
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from rest_framework import serializers
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from rest_framework.validators import UniqueValidator
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from rest_framework.validators import UniqueValidator, qs_exists
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def dedent(blocktext):
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@ -429,3 +429,24 @@ class TestHiddenFieldUniquenessForDateValidation(TestCase):
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validators = [<UniqueForDateValidator(queryset=HiddenFieldUniqueForDateModel.objects.all(), field='slug', date_field='published')>]
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""")
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assert repr(serializer) == expected
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class ValidatorsTests(TestCase):
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def test_qs_exists_handles_type_error(self):
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class TypeErrorQueryset(object):
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def exists(self):
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raise TypeError
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assert qs_exists(TypeErrorQueryset()) is False
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def test_qs_exists_handles_value_error(self):
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class ValueErrorQueryset(object):
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def exists(self):
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raise ValueError
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assert qs_exists(ValueErrorQueryset()) is False
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def test_qs_exists_handles_data_error(self):
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class DataErrorQueryset(object):
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def exists(self):
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raise DataError
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assert qs_exists(DataErrorQueryset()) is False
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