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Code Issues 25 Releases Wiki Activity

Added more tests for django.utils.functional.lazy().

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Nick Pope 2023-06-08 14:43:13 +01:00 committed by Mariusz Felisiak
parent 1d9d32389c
commit e0e0204477
1 changed files with 51 additions and 1 deletions
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52
tests/utils_tests/test_functional.py
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@ -192,11 +192,61 @@ class FunctionalTests(SimpleTestCase):
with self.assertRaisesMessage(TypeError, msg):
Foo().cp
def test_lazy_add(self):
def test_lazy_add_int(self):
lazy_4 = lazy(lambda: 4, int)
lazy_5 = lazy(lambda: 5, int)
self.assertEqual(4 + lazy_5(), 9)
self.assertEqual(lazy_4() + 5, 9)
self.assertEqual(lazy_4() + lazy_5(), 9)
def test_lazy_add_list(self):
lazy_4 = lazy(lambda: [4], list)
lazy_5 = lazy(lambda: [5], list)
self.assertEqual([4] + lazy_5(), [4, 5])
self.assertEqual(lazy_4() + [5], [4, 5])
self.assertEqual(lazy_4() + lazy_5(), [4, 5])
def test_lazy_add_str(self):
lazy_a = lazy(lambda: "a", str)
lazy_b = lazy(lambda: "b", str)
self.assertEqual("a" + lazy_b(), "ab")
self.assertEqual(lazy_a() + "b", "ab")
self.assertEqual(lazy_a() + lazy_b(), "ab")
def test_lazy_mod_int(self):
lazy_4 = lazy(lambda: 4, int)
lazy_5 = lazy(lambda: 5, int)
self.assertEqual(4 % lazy_5(), 4)
self.assertEqual(lazy_4() % 5, 4)
self.assertEqual(lazy_4() % lazy_5(), 4)
def test_lazy_mod_str(self):
lazy_a = lazy(lambda: "a%s", str)
lazy_b = lazy(lambda: "b", str)
self.assertEqual("a%s" % lazy_b(), "ab")
self.assertEqual(lazy_a() % "b", "ab")
self.assertEqual(lazy_a() % lazy_b(), "ab")
def test_lazy_mul_int(self):
lazy_4 = lazy(lambda: 4, int)
lazy_5 = lazy(lambda: 5, int)
self.assertEqual(4 * lazy_5(), 20)
self.assertEqual(lazy_4() * 5, 20)
def test_lazy_mul_list(self):
lazy_4 = lazy(lambda: [4], list)
lazy_5 = lazy(lambda: 5, int)
self.assertEqual([4] * lazy_5(), [4, 4, 4, 4, 4])
self.assertEqual(lazy_4() * 5, [4, 4, 4, 4, 4])
self.assertEqual(lazy_4() * lazy_5(), [4, 4, 4, 4, 4])
def test_lazy_mul_str(self):
lazy_a = lazy(lambda: "a", str)
lazy_5 = lazy(lambda: 5, int)
self.assertEqual("a" * lazy_5(), "aaaaa")
self.assertEqual(lazy_a() * 5, "aaaaa")
self.assertEqual(lazy_a() * lazy_5(), "aaaaa")
def test_lazy_equality(self):
"""
== and != work correctly for Promises.