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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)>')
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