37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
# coding: utf-8
|
|
|
|
from unittest import TestCase
|
|
|
|
from django.template import Context, Variable, VariableDoesNotExist
|
|
|
|
|
|
class ContextTests(TestCase):
|
|
def test_context(self):
|
|
c = Context({"a": 1, "b": "xyzzy"})
|
|
self.assertEqual(c["a"], 1)
|
|
self.assertEqual(c.push(), {})
|
|
c["a"] = 2
|
|
self.assertEqual(c["a"], 2)
|
|
self.assertEqual(c.get("a"), 2)
|
|
self.assertEqual(c.pop(), {"a": 2})
|
|
self.assertEqual(c["a"], 1)
|
|
self.assertEqual(c.get("foo", 42), 42)
|
|
|
|
with c.push():
|
|
c['a'] = 2
|
|
self.assertEqual(c['a'], 2)
|
|
self.assertEqual(c['a'], 1)
|
|
|
|
with c.push(a=3):
|
|
self.assertEqual(c['a'], 3)
|
|
self.assertEqual(c['a'], 1)
|
|
|
|
def test_resolve_on_context_method(self):
|
|
# Regression test for #17778
|
|
empty_context = Context()
|
|
self.assertRaises(VariableDoesNotExist,
|
|
Variable('no_such_variable').resolve, empty_context)
|
|
self.assertRaises(VariableDoesNotExist,
|
|
Variable('new').resolve, empty_context)
|
|
self.assertEqual(Variable('new').resolve(Context({'new': 'foo'})), 'foo')
|