133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import sys
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from django.contrib.auth.models import Group
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from django.core import urlresolvers
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from django.template import (
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Context, Engine, Template, TemplateSyntaxError, engines, loader,
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)
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from django.test import SimpleTestCase, override_settings
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class TemplateTests(SimpleTestCase):
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@override_settings(DEBUG=True)
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def test_string_origin(self):
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template = Template('string template')
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self.assertEqual(template.origin.source, 'string template')
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@override_settings(SETTINGS_MODULE=None, DEBUG=True)
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def test_url_reverse_no_settings_module(self):
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# Regression test for #9005
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t = Template('{% url will_not_match %}')
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c = Context()
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with self.assertRaises(urlresolvers.NoReverseMatch):
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t.render(c)
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@override_settings(
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TEMPLATES=[{
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'BACKEND': 'django.template.backends.django.DjangoTemplates',
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'OPTIONS': {'string_if_invalid': '%s is invalid'},
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}],
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SETTINGS_MODULE='also_something',
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)
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def test_url_reverse_view_name(self):
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# Regression test for #19827
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t = Template('{% url will_not_match %}')
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c = Context()
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try:
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t.render(c)
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except urlresolvers.NoReverseMatch:
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tb = sys.exc_info()[2]
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depth = 0
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while tb.tb_next is not None:
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tb = tb.tb_next
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depth += 1
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self.assertGreater(depth, 5,
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"The traceback context was lost when reraising the traceback. See #19827")
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def test_no_wrapped_exception(self):
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"""
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# 16770 -- The template system doesn't wrap exceptions, but annotates
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them.
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"""
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engine = Engine(debug=True)
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c = Context({"coconuts": lambda: 42 / 0})
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t = engine.from_string("{{ coconuts }}")
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with self.assertRaises(ZeroDivisionError) as e:
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t.render(c)
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debug = e.exception.template_debug
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self.assertEqual(debug['start'], 0)
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self.assertEqual(debug['end'], 14)
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def test_invalid_block_suggestion(self):
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"""
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#7876 -- Error messages should include the unexpected block name.
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"""
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engine = Engine()
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with self.assertRaises(TemplateSyntaxError) as e:
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engine.from_string("{% if 1 %}lala{% endblock %}{% endif %}")
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self.assertEqual(
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e.exception.args[0],
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"Invalid block tag: 'endblock', expected 'elif', 'else' or 'endif'",
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)
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def test_compile_filter_expression_error(self):
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"""
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19819 -- Make sure the correct token is highlighted for
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FilterExpression errors.
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"""
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engine = Engine(debug=True)
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msg = "Could not parse the remainder: '@bar' from 'foo@bar'"
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with self.assertRaisesMessage(TemplateSyntaxError, msg) as e:
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engine.from_string("{% if 1 %}{{ foo@bar }}{% endif %}")
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debug = e.exception.template_debug
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self.assertEqual((debug['start'], debug['end']), (10, 23))
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self.assertEqual((debug['during']), '{{ foo@bar }}')
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def test_compile_tag_error(self):
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"""
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Errors raised while compiling nodes should include the token
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information.
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"""
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engine = Engine(debug=True)
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with self.assertRaises(RuntimeError) as e:
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engine.from_string("{% load bad_tag %}{% badtag %}")
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self.assertEqual(e.exception.template_debug['during'], '{% badtag %}')
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def test_super_errors(self):
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"""
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#18169 -- NoReverseMatch should not be silence in block.super.
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"""
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t = loader.get_template('included_content.html')
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with self.assertRaises(urlresolvers.NoReverseMatch):
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t.render()
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def test_debug_tag_non_ascii(self):
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"""
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#23060 -- Test non-ASCII model representation in debug output.
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"""
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Group.objects.create(name="清風")
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c1 = Context({"objs": Group.objects.all()})
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t1 = Template('{% debug %}')
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self.assertIn("清風", t1.render(c1))
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def test_extends_generic_template(self):
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"""
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#24338 -- Allow extending django.template.backends.django.Template
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objects.
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"""
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parent = engines['django'].from_string(
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'{% block content %}parent{% endblock %}')
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child = engines['django'].from_string(
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'{% extends parent %}{% block content %}child{% endblock %}')
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self.assertEqual(child.render({'parent': parent}), 'child')
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