# -*- coding: utf-8 -*-
"""
jinja2.testsuite.regression
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tests corner cases and bugs.
:copyright: (c) 2010 by the Jinja Team.
:license: BSD, see LICENSE for more details.
"""
import os
import time
import tempfile
import unittest
from jinja2.testsuite import JinjaTestCase
from jinja2 import Template,Environment,DictLoader,TemplateSyntaxError,\
TemplateNotFound, PrefixLoader
env = Environment()
class CornerTestCase(JinjaTestCase):
def test_assigned_scoping(self):
t = env.from_string('''
{%- for item in (1, 2, 3, 4) -%}
[{{ item }}]
{%- endfor %}
{{- item -}}
''')
assert t.render(item=42) == '[1][2][3][4]42'
t = env.from_string('''
{%- for item in (1, 2, 3, 4) -%}
[{{ item }}]
{%- endfor %}
{%- set item = 42 %}
{{- item -}}
''')
assert t.render() == '[1][2][3][4]42'
t = env.from_string('''
{%- set item = 42 %}
{%- for item in (1, 2, 3, 4) -%}
[{{ item }}]
{%- endfor %}
{{- item -}}
''')
assert t.render() == '[1][2][3][4]42'
def test_closure_scoping(self):
t = env.from_string('''
{%- set wrapper = "<FOO>" %}
{%- for item in (1, 2, 3, 4) %}
{%- macro wrapper() %}[{{ item }}]{% endmacro %}
{{- wrapper() }}
{%- endfor %}
{{- wrapper -}}
''')
assert t.render() == '[1][2][3][4]<FOO>'
t = env.from_string('''
{%- for item in (1, 2, 3, 4) %}
{%- macro wrapper() %}[{{ item }}]{% endmacro %}
{{- wrapper() }}
{%- endfor %}
{%- set wrapper = "<FOO>" %}
{{- wrapper -}}
''')
assert t.render() == '[1][2][3][4]<FOO>'
t = env.from_string('''
{%- for item in (1, 2, 3, 4) %}
{%- macro wrapper() %}[{{ item }}]{% endmacro %}
{{- wrapper() }}
{%- endfor %}
{{- wrapper -}}
''')
assert t.render(wrapper=23) == '[1][2][3][4]23'
class BugTestCase(JinjaTestCase):
def test_keyword_folding(self):
env = Environment()
env.filters['testing'] = lambda value, some: value + some
assert env.from_string("{{ 'test'|testing(some='stuff') }}") \
.render() == 'teststuff'
def test_extends_output_bugs(self):
env = Environment(loader=DictLoader({
'parent.html': '(({% block title %}{% endblock %}))'
}))
t = env.from_string('{% if expr %}{% extends "parent.html" %}{% endif %}'
'[[{% block title %}title{% endblock %}]]'
'{% for item in [1, 2, 3] %}({{ item }}){% endfor %}')
assert t.render(expr=False) == '[[title]](1)(2)(3)'
assert t.render(expr=True) == '((title))'
def test_urlize_filter_escaping(self):
tmpl = env.from_string('{{ "http://www.example.org/<foo"|urlize }}')
assert tmpl.render() == '<a href="http://www.example.org/<foo">http://www.example.org/<foo</a>'
def test_loop_call_loop(self):
tmpl = env.from_string('''
{% macro test() %}
{{ caller() }}
{% endmacro %}
{% for num1 in range(5) %}
{% call test() %}
{% for num2 in range(10) %}
{{ loop.index }}
{% endfor %}
{% endcall %}
{% endfor %}
''')
assert tmpl.render().split() == map(unicode, range(1, 11)) * 5
def test_weird_inline_comment(self):
env = Environment(line_statement_prefix='%')
self.assert_raises(TemplateSyntaxError, env.from_string,
'% for item in seq {# missing #}\n...% endfor')
def test_old_macro_loop_scoping_bug(self):
tmpl = env.from_string('{% for i in (1, 2) %}{{ i }}{% endfor %}'
'{% macro i() %}3{% endmacro %}{{ i() }}')
assert tmpl.render() == '123'
def test_partial_conditional_assignments(self):
tmpl = env.from_string('{% if b %}{% set a = 42 %}{% endif %}{{ a }}')
assert tmpl.render(a=23) == '23'
assert tmpl.render(b=True) == '42'
def test_stacked_locals_scoping_bug(self):
env = Environment(line_statement_prefix='#')
t = env.from_string('''\
# for j in [1, 2]:
# set x = 1
# for i in [1, 2]:
# print x
# if i % 2 == 0:
# set x = x + 1
# endif
# endfor
# endfor
# if a
# print 'A'
# elif b
# print 'B'
# elif c == d
# print 'C'
# else
# print 'D'
# endif
''')
assert t.render(a=0, b=False, c=42, d=42.0) == '1111C'
def test_stacked_locals_scoping_bug_twoframe(self):
t = Template('''
{% set x = 1 %}
{% for item in foo %}
{% if item == 1 %}
{% set x = 2 %}
{% endif %}
{% endfor %}
{{ x }}
''')
rv = t.render(foo=[1]).strip()
assert rv == u'1'
def test_call_with_args(self):
t = Template("""{% macro dump_users(users) -%}
<ul>
{%- for user in users -%}
<li><p>{{ user.username|e }}</p>{{ caller(user) }}</li>
{%- endfor -%}
</ul>
{%- endmacro -%}
{% call(user) dump_users(list_of_user) -%}
<dl>
<dl>Realname</dl>
<dd>{{ user.realname|e }}</dd>
<dl>Description</dl>
<dd>{{ user.description }}</dd>
</dl>
{% endcall %}""")
assert [x.strip() for x in t.render(list_of_user=[{
'username':'apo',
'realname':'something else',
'description':'test'
}]).splitlines()] == [
u'<ul><li><p>apo</p><dl>',
u'<dl>Realname</dl>',
u'<dd>something else</dd>',
u'<dl>Description</dl>',
u'<dd>test</dd>',
u'</dl>',
u'</li></ul>'
]
def test_empty_if_condition_fails(self):
self.assert_raises(TemplateSyntaxError, Template, '{% if %}....{% endif %}')
self.assert_raises(TemplateSyntaxError, Template, '{% if foo %}...{% elif %}...{% endif %}')
self.assert_raises(TemplateSyntaxError, Template, '{% for x in %}..{% endfor %}')
def test_recursive_loop_bug(self):
tpl1 = Template("""
{% for p in foo recursive%}
{{p.bar}}
{% for f in p.fields recursive%}
{{f.baz}}
{{p.bar}}
{% if f.rec %}
{{ loop(f.sub) }}
{% endif %}
{% endfor %}
{% endfor %}
""")
tpl2 = Template("""
{% for p in foo%}
{{p.bar}}
{% for f in p.fields recursive%}
{{f.baz}}
{{p.bar}}
{% if f.rec %}
{{ loop(f.sub) }}
{% endif %}
{% endfor %}
{% endfor %}
""")
def test_correct_prefix_loader_name(self):
env = Environment(loader=PrefixLoader({
'foo': DictLoader({})
}))
try:
env.get_template('foo/bar.html')
except TemplateNotFound, e:
assert e.name == 'foo/bar.html'
else:
assert False, 'expected error here'
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(CornerTestCase))
suite.addTest(unittest.makeSuite(BugTestCase))
return suite
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