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django/tests/template_tests/test_nodelist.py
Preston Timmons fb267a1d85 Updated template tests to create their own engine.
This continues work to treat Django templates as a library.
2015-04-20 09:11:37 -05:00

60 lines
2.4 KiB
Python

from unittest import TestCase
from django.template import Context, Engine
from django.template.base import VariableNode
class NodelistTest(TestCase):
@classmethod
def setUpClass(cls):
cls.engine = Engine()
super(NodelistTest, cls).setUpClass()
def test_for(self):
template = self.engine.from_string('{% for i in 1 %}{{ a }}{% endfor %}')
vars = template.nodelist.get_nodes_by_type(VariableNode)
self.assertEqual(len(vars), 1)
def test_if(self):
template = self.engine.from_string('{% if x %}{{ a }}{% endif %}')
vars = template.nodelist.get_nodes_by_type(VariableNode)
self.assertEqual(len(vars), 1)
def test_ifequal(self):
template = self.engine.from_string('{% ifequal x y %}{{ a }}{% endifequal %}')
vars = template.nodelist.get_nodes_by_type(VariableNode)
self.assertEqual(len(vars), 1)
def test_ifchanged(self):
template = self.engine.from_string('{% ifchanged x %}{{ a }}{% endifchanged %}')
vars = template.nodelist.get_nodes_by_type(VariableNode)
self.assertEqual(len(vars), 1)
class ErrorIndexTest(TestCase):
"""
Checks whether index of error is calculated correctly in
template debugger in for loops. Refs ticket #5831
"""
def test_correct_exception_index(self):
tests = [
('{% load bad_tag %}{% for i in range %}{% badsimpletag %}{% endfor %}', (38, 56)),
('{% load bad_tag %}{% for i in range %}{% for j in range %}{% badsimpletag %}{% endfor %}{% endfor %}', (58, 76)),
('{% load bad_tag %}{% for i in range %}{% badsimpletag %}{% for j in range %}Hello{% endfor %}{% endfor %}', (38, 56)),
('{% load bad_tag %}{% for i in range %}{% for j in five %}{% badsimpletag %}{% endfor %}{% endfor %}', (38, 57)),
('{% load bad_tag %}{% for j in five %}{% badsimpletag %}{% endfor %}', (18, 37)),
]
context = Context({
'range': range(5),
'five': 5,
})
engine = Engine(debug=True)
for source, expected_error_source_index in tests:
template = engine.from_string(source)
try:
template.render(context)
except (RuntimeError, TypeError) as e:
debug = e.template_debug
self.assertEqual((debug['start'], debug['end']), expected_error_source_index)