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from django.test import TestCase
from rest_framework_filters import utils
from .testapp.models import Note, Person
class LookupsForFieldTests(TestCase):
def test_standard_field(self):
model_field = Person._meta.get_field('name')
lookups = utils.lookups_for_field(model_field)
self.assertIn('exact', lookups)
self.assertNotIn('year', lookups)
self.assertNotIn('date', lookups)
def test_transformed_field(self):
model_field = Person._meta.get_field('datetime_joined')
lookups = utils.lookups_for_field(model_field)
self.assertIn('exact', lookups)
self.assertIn('year__exact', lookups)
self.assertIn('date__year__exact', lookups)
def test_relation_field(self):
# ForeignObject relations are special cased currently
model_field = Note._meta.get_field('author')
lookups = utils.lookups_for_field(model_field)
self.assertIn('exact', lookups)
self.assertIn('in', lookups)
self.assertNotIn('regex', lookups)
class LookupsForTransformTests(TestCase):
def test_recursion_prevention(self):
model_field = Person._meta.get_field('name')
lookups = utils.lookups_for_field(model_field)
self.assertIn('unaccent__exact', lookups)
self.assertNotIn('unaccent__unaccent__exact', lookups)
class LookaheadTests(TestCase):
def test_empty(self):
result = list(utils.lookahead([]))
self.assertListEqual(result, [])
def test_single(self):
result = list(utils.lookahead([1]))
self.assertListEqual(result, [(1, False)])
def test_multiple(self):
result = list(utils.lookahead([1, 2, 3]))
self.assertListEqual(result, [
(1, True),
(2, True),
(3, False),
])
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