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60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
from datetime import datetime
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from unittest import mock
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from django.db.models import DateTimeField, Value
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from django.db.models.lookups import Lookup, YearLookup
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from django.test import SimpleTestCase
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class CustomLookup(Lookup):
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pass
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class LookupTests(SimpleTestCase):
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def test_equality(self):
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lookup = Lookup(Value(1), Value(2))
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self.assertEqual(lookup, lookup)
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self.assertEqual(lookup, Lookup(lookup.lhs, lookup.rhs))
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self.assertEqual(lookup, mock.ANY)
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self.assertNotEqual(lookup, Lookup(lookup.lhs, Value(3)))
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self.assertNotEqual(lookup, Lookup(Value(3), lookup.rhs))
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self.assertNotEqual(lookup, CustomLookup(lookup.lhs, lookup.rhs))
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def test_repr(self):
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tests = [
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(Lookup(Value(1), Value("a")), "Lookup(Value(1), Value('a'))"),
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(
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YearLookup(
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Value(datetime(2010, 1, 1, 0, 0, 0)),
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Value(datetime(2010, 1, 1, 23, 59, 59)),
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),
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"YearLookup("
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"Value(datetime.datetime(2010, 1, 1, 0, 0)), "
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"Value(datetime.datetime(2010, 1, 1, 23, 59, 59)))",
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),
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]
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for lookup, expected in tests:
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with self.subTest(lookup=lookup):
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self.assertEqual(repr(lookup), expected)
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def test_hash(self):
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lookup = Lookup(Value(1), Value(2))
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self.assertEqual(hash(lookup), hash(lookup))
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self.assertEqual(hash(lookup), hash(Lookup(lookup.lhs, lookup.rhs)))
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self.assertNotEqual(hash(lookup), hash(Lookup(lookup.lhs, Value(3))))
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self.assertNotEqual(hash(lookup), hash(Lookup(Value(3), lookup.rhs)))
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self.assertNotEqual(hash(lookup), hash(CustomLookup(lookup.lhs, lookup.rhs)))
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class YearLookupTests(SimpleTestCase):
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def test_get_bound_params(self):
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look_up = YearLookup(
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lhs=Value(datetime(2010, 1, 1, 0, 0, 0), output_field=DateTimeField()),
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rhs=Value(datetime(2010, 1, 1, 23, 59, 59), output_field=DateTimeField()),
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)
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msg = "subclasses of YearLookup must provide a get_bound_params() method"
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with self.assertRaisesMessage(NotImplementedError, msg):
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look_up.get_bound_params(
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datetime(2010, 1, 1, 0, 0, 0), datetime(2010, 1, 1, 23, 59, 59)
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)
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