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from jinja2 import Environment
def test_load():
from coffin.template.defaulttags import LoadExtension
env = Environment(extensions=[LoadExtension])
# the load tag is a no-op
assert env.from_string('a{% load %}b').render() == 'ab'
assert env.from_string('a{% load news.photos %}b').render() == 'ab'
assert env.from_string('a{% load "news.photos" %}b').render() == 'ab'
# [bug] invalid code was generated under certain circumstances
assert env.from_string('{% set x=1 %}{% load "news.photos" %}').render() == ''
def test_spaceless():
from coffin.template.defaulttags import SpacelessExtension
env = Environment(extensions=[SpacelessExtension])
assert env.from_string("""{% spaceless %}
<p>
<a href="foo/">Foo</a>
</p>
{% endspaceless %}""").render() == '<p><a href="foo/">Foo</a></p>'
assert env.from_string("""{% spaceless %}
<strong>
Hello
</strong>
{% endspaceless %}""").render() == '<strong>\n Hello\n </strong>'
def test_url():
from coffin.template.defaulttags import URLExtension
from jinja2.exceptions import TemplateSyntaxError
from django.core.urlresolvers import NoReverseMatch
env = Environment(extensions=[URLExtension])
for template, context, expected_result in (
# various ways to specify the view
('{% url urls_app.views.index %}', {}, '/url_test/'),
('{% url apps.urls_app.views.index %}', {}, '/url_test/'), # project name is optional
('{% url "urls_app.views.index" %}', {}, '/url_test/'),
('{% url "urls_app.views.indexXX"[:-2] %}', {}, '/url_test/'),
('{% url the-index-view %}', {}, '/url_test/'),
# various ways to specify the arguments
('{% url urls_app.views.sum 1,2 %}', {}, '/url_test/sum/1,2'),
('{% url urls_app.views.sum left=1,right=2 %}', {}, '/url_test/sum/1,2'),
('{% url urls_app.views.sum l,2 %}', {'l':1}, '/url_test/sum/1,2'),
('{% url urls_app.views.sum left=l,right=2 %}', {'l':1}, '/url_test/sum/1,2'),
('{% url urls_app.views.sum left=2*3,right=z()|length %}',
{'z':lambda: 'u'}, '/url_test/sum/6,1'), # full expressive syntax
# regression: string view followed by a string argument works
('{% url "urls_app.views.sum" "1","2" %}', {}, '/url_test/sum/1,2'),
# failures
('{% url %}', {}, TemplateSyntaxError),
('{% url 1,2,3 %}', {}, TemplateSyntaxError),
('{% url inexistant-view %}', {}, NoReverseMatch),
# ValueError, not TemplateSyntaxError:
# We actually support parsing a mixture of positional and keyword
# arguments, but reverse() doesn't handle them.
('{% url urls_app.views.sum left=1,2 %}', {'l':1}, ValueError),
# as-syntax
('{% url urls_app.views.index as url %}', {}, ''),
('{% url urls_app.views.index as url %}{{url}}', {}, '/url_test/'),
('{% url inexistent as url %}{{ url }}', {}, ''), # no exception
):
print(template, '==', expected_result)
try:
actual_result = env.from_string(template).render(context)
except Exception, e:
print('==> %s: (%s)' % (type(e), e))
assert type(e) == expected_result
else:
print('==> %s' % actual_result)
assert actual_result == expected_result
def test_url_current_app():
"""Test that the url can deal with the current_app context setting."""
from coffin.template.loader import get_template_from_string
from django.template import RequestContext
from django.http import HttpRequest
t = get_template_from_string('{% url testapp:the-index-view %}')
assert t.render(RequestContext(HttpRequest())) == '/app/one/'
assert t.render(RequestContext(HttpRequest(), current_app="two")) == '/app/two/'
def test_with():
from coffin.template.defaulttags import WithExtension
env = Environment(extensions=[WithExtension])
assert env.from_string('{{ x }}{% with y as x %}{{ x }}{% endwith %}{{ x }}').render({'x': 'x', 'y': 'y'}) == 'xyx'
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