from django.template import Context, Template, Variable, VariableDoesNotExist
from django.test import SimpleTestCase
from django.utils.translation import gettext_lazy
class TemplateTests(SimpleTestCase):
def test_lazy_template_string(self):
template_string = gettext_lazy('lazy string')
self.assertEqual(Template(template_string).render(Context()), template_string)
def test_repr(self):
template = Template(
'\n'
'{% if test %}{{ varvalue }}
{% endif %}'
''
)
self.assertEqual(
repr(template),
'',
)
class VariableDoesNotExistTests(SimpleTestCase):
def test_str(self):
exc = VariableDoesNotExist(msg='Failed lookup in %r', params=({'foo': 'bar'},))
self.assertEqual(str(exc), "Failed lookup in {'foo': 'bar'}")
class VariableTests(SimpleTestCase):
def test_integer_literals(self):
self.assertEqual(Variable('999999999999999999999999999').literal, 999999999999999999999999999)
def test_nonliterals(self):
"""Variable names that aren't resolved as literals."""
var_names = []
for var in ('inf', 'infinity', 'iNFiniTy', 'nan'):
var_names.extend((var, '-' + var, '+' + var))
for var in var_names:
with self.subTest(var=var):
self.assertIsNone(Variable(var).literal)