mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-27 02:20:31 +00:00
280 lines
8.2 KiB
Python
280 lines
8.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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jinja2.testsuite.regression
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Tests corner cases and bugs.
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:copyright: (c) 2010 by the Jinja Team.
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:license: BSD, see LICENSE for more details.
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"""
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import unittest
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from jinja2.testsuite import JinjaTestCase
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from jinja2 import Template, Environment, DictLoader, TemplateSyntaxError, \
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TemplateNotFound, PrefixLoader
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from jinja2._compat import text_type
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env = Environment()
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class CornerTestCase(JinjaTestCase):
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def test_assigned_scoping(self):
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t = env.from_string('''
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{%- for item in (1, 2, 3, 4) -%}
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[{{ item }}]
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{%- endfor %}
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{{- item -}}
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''')
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assert t.render(item=42) == '[1][2][3][4]42'
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t = env.from_string('''
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{%- for item in (1, 2, 3, 4) -%}
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[{{ item }}]
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{%- endfor %}
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{%- set item = 42 %}
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{{- item -}}
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''')
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assert t.render() == '[1][2][3][4]42'
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t = env.from_string('''
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{%- set item = 42 %}
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{%- for item in (1, 2, 3, 4) -%}
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[{{ item }}]
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{%- endfor %}
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{{- item -}}
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''')
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assert t.render() == '[1][2][3][4]42'
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def test_closure_scoping(self):
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t = env.from_string('''
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{%- set wrapper = "<FOO>" %}
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{%- for item in (1, 2, 3, 4) %}
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{%- macro wrapper() %}[{{ item }}]{% endmacro %}
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{{- wrapper() }}
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{%- endfor %}
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{{- wrapper -}}
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''')
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assert t.render() == '[1][2][3][4]<FOO>'
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t = env.from_string('''
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{%- for item in (1, 2, 3, 4) %}
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{%- macro wrapper() %}[{{ item }}]{% endmacro %}
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{{- wrapper() }}
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{%- endfor %}
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{%- set wrapper = "<FOO>" %}
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{{- wrapper -}}
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''')
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assert t.render() == '[1][2][3][4]<FOO>'
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t = env.from_string('''
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{%- for item in (1, 2, 3, 4) %}
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{%- macro wrapper() %}[{{ item }}]{% endmacro %}
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{{- wrapper() }}
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{%- endfor %}
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{{- wrapper -}}
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''')
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assert t.render(wrapper=23) == '[1][2][3][4]23'
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class BugTestCase(JinjaTestCase):
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def test_keyword_folding(self):
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env = Environment()
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env.filters['testing'] = lambda value, some: value + some
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assert env.from_string("{{ 'test'|testing(some='stuff') }}") \
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.render() == 'teststuff'
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def test_extends_output_bugs(self):
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env = Environment(loader=DictLoader({
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'parent.html': '(({% block title %}{% endblock %}))'
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}))
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t = env.from_string('{% if expr %}{% extends "parent.html" %}{% endif %}'
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'[[{% block title %}title{% endblock %}]]'
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'{% for item in [1, 2, 3] %}({{ item }}){% endfor %}')
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assert t.render(expr=False) == '[[title]](1)(2)(3)'
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assert t.render(expr=True) == '((title))'
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def test_urlize_filter_escaping(self):
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tmpl = env.from_string('{{ "http://www.example.org/<foo"|urlize }}')
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assert tmpl.render() == '<a href="http://www.example.org/<foo">http://www.example.org/<foo</a>'
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def test_loop_call_loop(self):
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tmpl = env.from_string('''
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{% macro test() %}
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{{ caller() }}
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{% endmacro %}
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{% for num1 in range(5) %}
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{% call test() %}
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{% for num2 in range(10) %}
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{{ loop.index }}
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{% endfor %}
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{% endcall %}
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{% endfor %}
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''')
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assert tmpl.render().split() == [text_type(x) for x in range(1, 11)] * 5
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def test_weird_inline_comment(self):
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env = Environment(line_statement_prefix='%')
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self.assert_raises(TemplateSyntaxError, env.from_string,
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'% for item in seq {# missing #}\n...% endfor')
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def test_old_macro_loop_scoping_bug(self):
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tmpl = env.from_string('{% for i in (1, 2) %}{{ i }}{% endfor %}'
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'{% macro i() %}3{% endmacro %}{{ i() }}')
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assert tmpl.render() == '123'
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def test_partial_conditional_assignments(self):
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tmpl = env.from_string('{% if b %}{% set a = 42 %}{% endif %}{{ a }}')
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assert tmpl.render(a=23) == '23'
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assert tmpl.render(b=True) == '42'
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def test_stacked_locals_scoping_bug(self):
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env = Environment(line_statement_prefix='#')
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t = env.from_string('''\
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# for j in [1, 2]:
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# set x = 1
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# for i in [1, 2]:
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# print x
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# if i % 2 == 0:
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# set x = x + 1
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# endif
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# endfor
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# endfor
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# if a
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# print 'A'
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# elif b
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# print 'B'
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# elif c == d
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# print 'C'
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# else
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# print 'D'
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# endif
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''')
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assert t.render(a=0, b=False, c=42, d=42.0) == '1111C'
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def test_stacked_locals_scoping_bug_twoframe(self):
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t = Template('''
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{% set x = 1 %}
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{% for item in foo %}
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{% if item == 1 %}
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{% set x = 2 %}
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{% endif %}
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{% endfor %}
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{{ x }}
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''')
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rv = t.render(foo=[1]).strip()
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assert rv == u'1'
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def test_call_with_args(self):
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t = Template("""{% macro dump_users(users) -%}
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<ul>
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{%- for user in users -%}
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<li><p>{{ user.username|e }}</p>{{ caller(user) }}</li>
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{%- endfor -%}
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</ul>
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{%- endmacro -%}
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{% call(user) dump_users(list_of_user) -%}
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<dl>
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<dl>Realname</dl>
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<dd>{{ user.realname|e }}</dd>
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<dl>Description</dl>
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<dd>{{ user.description }}</dd>
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</dl>
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{% endcall %}""")
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assert [x.strip() for x in t.render(list_of_user=[{
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'username':'apo',
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'realname':'something else',
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'description':'test'
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}]).splitlines()] == [
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u'<ul><li><p>apo</p><dl>',
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u'<dl>Realname</dl>',
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u'<dd>something else</dd>',
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u'<dl>Description</dl>',
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u'<dd>test</dd>',
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u'</dl>',
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u'</li></ul>'
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]
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def test_empty_if_condition_fails(self):
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self.assert_raises(TemplateSyntaxError, Template, '{% if %}....{% endif %}')
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self.assert_raises(TemplateSyntaxError, Template, '{% if foo %}...{% elif %}...{% endif %}')
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self.assert_raises(TemplateSyntaxError, Template, '{% for x in %}..{% endfor %}')
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def test_recursive_loop_bug(self):
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tpl1 = Template("""
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{% for p in foo recursive%}
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{{p.bar}}
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{% for f in p.fields recursive%}
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{{f.baz}}
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{{p.bar}}
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{% if f.rec %}
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{{ loop(f.sub) }}
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{% endif %}
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{% endfor %}
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{% endfor %}
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""")
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tpl2 = Template("""
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{% for p in foo%}
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{{p.bar}}
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{% for f in p.fields recursive%}
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{{f.baz}}
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{{p.bar}}
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{% if f.rec %}
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{{ loop(f.sub) }}
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{% endif %}
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{% endfor %}
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{% endfor %}
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""")
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def test_else_loop_bug(self):
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t = Template('''
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{% for x in y %}
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{{ loop.index0 }}
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{% else %}
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{% for i in range(3) %}{{ i }}{% endfor %}
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{% endfor %}
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''')
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self.assertEqual(t.render(y=[]).strip(), '012')
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def test_correct_prefix_loader_name(self):
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env = Environment(loader=PrefixLoader({
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'foo': DictLoader({})
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}))
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try:
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env.get_template('foo/bar.html')
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except TemplateNotFound as e:
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assert e.name == 'foo/bar.html'
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else:
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assert False, 'expected error here'
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def test_contextfunction_callable_classes(self):
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from jinja2.utils import contextfunction
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class CallableClass(object):
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@contextfunction
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def __call__(self, ctx):
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return ctx.resolve('hello')
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tpl = Template("""{{ callableclass() }}""")
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output = tpl.render(callableclass = CallableClass(), hello = 'TEST')
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expected = 'TEST'
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self.assert_equal(output, expected)
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def suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(CornerTestCase))
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suite.addTest(unittest.makeSuite(BugTestCase))
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return suite
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