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django/tests/str/tests.py
2022-02-07 20:37:05 +01:00

38 lines
1.2 KiB
Python

import datetime
from django.db import models
from django.test import TestCase
from django.test.utils import isolate_apps
from .models import InternationalArticle
class SimpleTests(TestCase):
def test_international(self):
a = InternationalArticle.objects.create(
headline="Girl wins €12.500 in lottery",
pub_date=datetime.datetime(2005, 7, 28),
)
self.assertEqual(str(a), "Girl wins €12.500 in lottery")
@isolate_apps("str")
def test_defaults(self):
"""
The default implementation of __str__ and __repr__ should return
instances of str.
"""
class Default(models.Model):
pass
obj = Default()
# Explicit call to __str__/__repr__ to make sure str()/repr() don't
# coerce the returned value.
self.assertIsInstance(obj.__str__(), str)
self.assertIsInstance(obj.__repr__(), str)
self.assertEqual(str(obj), "Default object (None)")
self.assertEqual(repr(obj), "<Default: Default object (None)>")
obj2 = Default(pk=100)
self.assertEqual(str(obj2), "Default object (100)")
self.assertEqual(repr(obj2), "<Default: Default object (100)>")