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460 lines
18 KiB
Python
460 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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"""
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jinja2.testsuite.ext
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~~~~~~~~~~~~~~~~~~~~
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Tests for the extensions.
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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 re
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import unittest
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from jinja2.testsuite import JinjaTestCase
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from jinja2 import Environment, DictLoader, contextfunction, nodes
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from jinja2.exceptions import TemplateAssertionError
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from jinja2.ext import Extension
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from jinja2.lexer import Token, count_newlines
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from jinja2._compat import next, BytesIO, itervalues, text_type
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importable_object = 23
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_gettext_re = re.compile(r'_\((.*?)\)(?s)')
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i18n_templates = {
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'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
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'{% block body %}{% endblock %}',
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'child.html': '{% extends "master.html" %}{% block body %}'
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'{% trans %}watch out{% endtrans %}{% endblock %}',
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'plural.html': '{% trans user_count %}One user online{% pluralize %}'
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'{{ user_count }} users online{% endtrans %}',
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'plural2.html': '{% trans user_count=get_user_count() %}{{ user_count }}s'
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'{% pluralize %}{{ user_count }}p{% endtrans %}',
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'stringformat.html': '{{ _("User: %(num)s")|format(num=user_count) }}'
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}
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newstyle_i18n_templates = {
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'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
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'{% block body %}{% endblock %}',
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'child.html': '{% extends "master.html" %}{% block body %}'
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'{% trans %}watch out{% endtrans %}{% endblock %}',
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'plural.html': '{% trans user_count %}One user online{% pluralize %}'
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'{{ user_count }} users online{% endtrans %}',
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'stringformat.html': '{{ _("User: %(num)s", num=user_count) }}',
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'ngettext.html': '{{ ngettext("%(num)s apple", "%(num)s apples", apples) }}',
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'ngettext_long.html': '{% trans num=apples %}{{ num }} apple{% pluralize %}'
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'{{ num }} apples{% endtrans %}',
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'transvars1.html': '{% trans %}User: {{ num }}{% endtrans %}',
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'transvars2.html': '{% trans num=count %}User: {{ num }}{% endtrans %}',
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'transvars3.html': '{% trans count=num %}User: {{ count }}{% endtrans %}',
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'novars.html': '{% trans %}%(hello)s{% endtrans %}',
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'vars.html': '{% trans %}{{ foo }}%(foo)s{% endtrans %}',
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'explicitvars.html': '{% trans foo="42" %}%(foo)s{% endtrans %}'
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}
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languages = {
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'de': {
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'missing': u'fehlend',
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'watch out': u'pass auf',
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'One user online': u'Ein Benutzer online',
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'%(user_count)s users online': u'%(user_count)s Benutzer online',
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'User: %(num)s': u'Benutzer: %(num)s',
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'User: %(count)s': u'Benutzer: %(count)s',
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'%(num)s apple': u'%(num)s Apfel',
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'%(num)s apples': u'%(num)s Äpfel'
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}
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}
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@contextfunction
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def gettext(context, string):
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language = context.get('LANGUAGE', 'en')
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return languages.get(language, {}).get(string, string)
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@contextfunction
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def ngettext(context, s, p, n):
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language = context.get('LANGUAGE', 'en')
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if n != 1:
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return languages.get(language, {}).get(p, p)
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return languages.get(language, {}).get(s, s)
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i18n_env = Environment(
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loader=DictLoader(i18n_templates),
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extensions=['jinja2.ext.i18n']
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)
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i18n_env.globals.update({
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'_': gettext,
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'gettext': gettext,
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'ngettext': ngettext
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})
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newstyle_i18n_env = Environment(
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loader=DictLoader(newstyle_i18n_templates),
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extensions=['jinja2.ext.i18n']
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)
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newstyle_i18n_env.install_gettext_callables(gettext, ngettext, newstyle=True)
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class TestExtension(Extension):
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tags = set(['test'])
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ext_attr = 42
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def parse(self, parser):
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return nodes.Output([self.call_method('_dump', [
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nodes.EnvironmentAttribute('sandboxed'),
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self.attr('ext_attr'),
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nodes.ImportedName(__name__ + '.importable_object'),
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nodes.ContextReference()
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])]).set_lineno(next(parser.stream).lineno)
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def _dump(self, sandboxed, ext_attr, imported_object, context):
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return '%s|%s|%s|%s' % (
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sandboxed,
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ext_attr,
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imported_object,
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context.blocks
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)
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class PreprocessorExtension(Extension):
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def preprocess(self, source, name, filename=None):
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return source.replace('[[TEST]]', '({{ foo }})')
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class StreamFilterExtension(Extension):
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def filter_stream(self, stream):
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for token in stream:
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if token.type == 'data':
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for t in self.interpolate(token):
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yield t
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else:
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yield token
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def interpolate(self, token):
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pos = 0
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end = len(token.value)
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lineno = token.lineno
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while 1:
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match = _gettext_re.search(token.value, pos)
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if match is None:
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break
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value = token.value[pos:match.start()]
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if value:
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yield Token(lineno, 'data', value)
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lineno += count_newlines(token.value)
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yield Token(lineno, 'variable_begin', None)
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yield Token(lineno, 'name', 'gettext')
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yield Token(lineno, 'lparen', None)
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yield Token(lineno, 'string', match.group(1))
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yield Token(lineno, 'rparen', None)
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yield Token(lineno, 'variable_end', None)
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pos = match.end()
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if pos < end:
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yield Token(lineno, 'data', token.value[pos:])
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class ExtensionsTestCase(JinjaTestCase):
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def test_extend_late(self):
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env = Environment()
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env.add_extension('jinja2.ext.autoescape')
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t = env.from_string('{% autoescape true %}{{ "<test>" }}{% endautoescape %}')
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assert t.render() == '<test>'
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def test_loop_controls(self):
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env = Environment(extensions=['jinja2.ext.loopcontrols'])
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tmpl = env.from_string('''
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{%- for item in [1, 2, 3, 4] %}
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{%- if item % 2 == 0 %}{% continue %}{% endif -%}
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{{ item }}
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{%- endfor %}''')
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assert tmpl.render() == '13'
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tmpl = env.from_string('''
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{%- for item in [1, 2, 3, 4] %}
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{%- if item > 2 %}{% break %}{% endif -%}
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{{ item }}
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{%- endfor %}''')
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assert tmpl.render() == '12'
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def test_do(self):
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env = Environment(extensions=['jinja2.ext.do'])
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tmpl = env.from_string('''
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{%- set items = [] %}
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{%- for char in "foo" %}
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{%- do items.append(loop.index0 ~ char) %}
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{%- endfor %}{{ items|join(', ') }}''')
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assert tmpl.render() == '0f, 1o, 2o'
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def test_with(self):
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env = Environment(extensions=['jinja2.ext.with_'])
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tmpl = env.from_string('''\
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{% with a=42, b=23 -%}
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{{ a }} = {{ b }}
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{% endwith -%}
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{{ a }} = {{ b }}\
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''')
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assert [x.strip() for x in tmpl.render(a=1, b=2).splitlines()] \
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== ['42 = 23', '1 = 2']
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def test_extension_nodes(self):
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env = Environment(extensions=[TestExtension])
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tmpl = env.from_string('{% test %}')
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assert tmpl.render() == 'False|42|23|{}'
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def test_identifier(self):
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assert TestExtension.identifier == __name__ + '.TestExtension'
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def test_rebinding(self):
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original = Environment(extensions=[TestExtension])
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overlay = original.overlay()
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for env in original, overlay:
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for ext in itervalues(env.extensions):
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assert ext.environment is env
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def test_preprocessor_extension(self):
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env = Environment(extensions=[PreprocessorExtension])
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tmpl = env.from_string('{[[TEST]]}')
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assert tmpl.render(foo=42) == '{(42)}'
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def test_streamfilter_extension(self):
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env = Environment(extensions=[StreamFilterExtension])
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env.globals['gettext'] = lambda x: x.upper()
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tmpl = env.from_string('Foo _(bar) Baz')
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out = tmpl.render()
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assert out == 'Foo BAR Baz'
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def test_extension_ordering(self):
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class T1(Extension):
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priority = 1
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class T2(Extension):
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priority = 2
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env = Environment(extensions=[T1, T2])
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ext = list(env.iter_extensions())
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assert ext[0].__class__ is T1
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assert ext[1].__class__ is T2
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class InternationalizationTestCase(JinjaTestCase):
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def test_trans(self):
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tmpl = i18n_env.get_template('child.html')
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assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
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def test_trans_plural(self):
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tmpl = i18n_env.get_template('plural.html')
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assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
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assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
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def test_trans_plural_with_functions(self):
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tmpl = i18n_env.get_template('plural2.html')
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def get_user_count():
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get_user_count.called += 1
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return 1
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get_user_count.called = 0
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assert tmpl.render(LANGUAGE='de', get_user_count=get_user_count) == '1s'
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assert get_user_count.called == 1
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def test_complex_plural(self):
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tmpl = i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
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'pluralize count %}{{ count }} items{% endtrans %}')
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assert tmpl.render() == '2 items'
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self.assert_raises(TemplateAssertionError, i18n_env.from_string,
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'{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
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def test_trans_stringformatting(self):
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tmpl = i18n_env.get_template('stringformat.html')
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assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
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def test_extract(self):
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from jinja2.ext import babel_extract
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source = BytesIO('''
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{{ gettext('Hello World') }}
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{% trans %}Hello World{% endtrans %}
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{% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
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'''.encode('ascii')) # make python 3 happy
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assert list(babel_extract(source, ('gettext', 'ngettext', '_'), [], {})) == [
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(2, 'gettext', u'Hello World', []),
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(3, 'gettext', u'Hello World', []),
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(4, 'ngettext', (u'%(users)s user', u'%(users)s users', None), [])
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]
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def test_comment_extract(self):
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from jinja2.ext import babel_extract
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source = BytesIO('''
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{# trans first #}
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{{ gettext('Hello World') }}
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{% trans %}Hello World{% endtrans %}{# trans second #}
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{#: third #}
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{% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
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'''.encode('utf-8')) # make python 3 happy
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assert list(babel_extract(source, ('gettext', 'ngettext', '_'), ['trans', ':'], {})) == [
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(3, 'gettext', u'Hello World', ['first']),
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(4, 'gettext', u'Hello World', ['second']),
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(6, 'ngettext', (u'%(users)s user', u'%(users)s users', None), ['third'])
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]
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class NewstyleInternationalizationTestCase(JinjaTestCase):
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def test_trans(self):
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tmpl = newstyle_i18n_env.get_template('child.html')
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assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
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def test_trans_plural(self):
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tmpl = newstyle_i18n_env.get_template('plural.html')
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assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
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assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
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def test_complex_plural(self):
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tmpl = newstyle_i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
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'pluralize count %}{{ count }} items{% endtrans %}')
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assert tmpl.render() == '2 items'
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self.assert_raises(TemplateAssertionError, i18n_env.from_string,
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'{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
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def test_trans_stringformatting(self):
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tmpl = newstyle_i18n_env.get_template('stringformat.html')
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assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
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def test_newstyle_plural(self):
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tmpl = newstyle_i18n_env.get_template('ngettext.html')
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assert tmpl.render(LANGUAGE='de', apples=1) == '1 Apfel'
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assert tmpl.render(LANGUAGE='de', apples=5) == u'5 Äpfel'
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def test_autoescape_support(self):
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env = Environment(extensions=['jinja2.ext.autoescape',
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'jinja2.ext.i18n'])
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env.install_gettext_callables(lambda x: u'<strong>Wert: %(name)s</strong>',
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lambda s, p, n: s, newstyle=True)
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t = env.from_string('{% autoescape ae %}{{ gettext("foo", name='
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'"<test>") }}{% endautoescape %}')
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assert t.render(ae=True) == '<strong>Wert: <test></strong>'
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assert t.render(ae=False) == '<strong>Wert: <test></strong>'
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def test_num_used_twice(self):
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tmpl = newstyle_i18n_env.get_template('ngettext_long.html')
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assert tmpl.render(apples=5, LANGUAGE='de') == u'5 Äpfel'
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def test_num_called_num(self):
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source = newstyle_i18n_env.compile('''
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{% trans num=3 %}{{ num }} apple{% pluralize
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%}{{ num }} apples{% endtrans %}
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''', raw=True)
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# quite hacky, but the only way to properly test that. The idea is
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# that the generated code does not pass num twice (although that
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# would work) for better performance. This only works on the
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# newstyle gettext of course
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assert re.search(r"l_ngettext, u?'\%\(num\)s apple', u?'\%\(num\)s "
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r"apples', 3", source) is not None
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def test_trans_vars(self):
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t1 = newstyle_i18n_env.get_template('transvars1.html')
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t2 = newstyle_i18n_env.get_template('transvars2.html')
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t3 = newstyle_i18n_env.get_template('transvars3.html')
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assert t1.render(num=1, LANGUAGE='de') == 'Benutzer: 1'
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assert t2.render(count=23, LANGUAGE='de') == 'Benutzer: 23'
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assert t3.render(num=42, LANGUAGE='de') == 'Benutzer: 42'
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def test_novars_vars_escaping(self):
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t = newstyle_i18n_env.get_template('novars.html')
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assert t.render() == '%(hello)s'
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t = newstyle_i18n_env.get_template('vars.html')
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assert t.render(foo='42') == '42%(foo)s'
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t = newstyle_i18n_env.get_template('explicitvars.html')
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assert t.render() == '%(foo)s'
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class AutoEscapeTestCase(JinjaTestCase):
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def test_scoped_setting(self):
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env = Environment(extensions=['jinja2.ext.autoescape'],
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autoescape=True)
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tmpl = env.from_string('''
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{{ "<HelloWorld>" }}
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{% autoescape false %}
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{{ "<HelloWorld>" }}
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{% endautoescape %}
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{{ "<HelloWorld>" }}
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''')
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assert tmpl.render().split() == \
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[u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
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env = Environment(extensions=['jinja2.ext.autoescape'],
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autoescape=False)
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tmpl = env.from_string('''
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{{ "<HelloWorld>" }}
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{% autoescape true %}
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{{ "<HelloWorld>" }}
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{% endautoescape %}
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{{ "<HelloWorld>" }}
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''')
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assert tmpl.render().split() == \
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[u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
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def test_nonvolatile(self):
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env = Environment(extensions=['jinja2.ext.autoescape'],
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autoescape=True)
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tmpl = env.from_string('{{ {"foo": "<test>"}|xmlattr|escape }}')
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assert tmpl.render() == ' foo="<test>"'
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tmpl = env.from_string('{% autoescape false %}{{ {"foo": "<test>"}'
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'|xmlattr|escape }}{% endautoescape %}')
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assert tmpl.render() == ' foo="&lt;test&gt;"'
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def test_volatile(self):
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env = Environment(extensions=['jinja2.ext.autoescape'],
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autoescape=True)
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tmpl = env.from_string('{% autoescape foo %}{{ {"foo": "<test>"}'
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'|xmlattr|escape }}{% endautoescape %}')
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assert tmpl.render(foo=False) == ' foo="&lt;test&gt;"'
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assert tmpl.render(foo=True) == ' foo="<test>"'
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def test_scoping(self):
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env = Environment(extensions=['jinja2.ext.autoescape'])
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tmpl = env.from_string('{% autoescape true %}{% set x = "<x>" %}{{ x }}'
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'{% endautoescape %}{{ x }}{{ "<y>" }}')
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assert tmpl.render(x=1) == '<x>1<y>'
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def test_volatile_scoping(self):
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env = Environment(extensions=['jinja2.ext.autoescape'])
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tmplsource = '''
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{% autoescape val %}
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{% macro foo(x) %}
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[{{ x }}]
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{% endmacro %}
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{{ foo().__class__.__name__ }}
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{% endautoescape %}
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{{ '<testing>' }}
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'''
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tmpl = env.from_string(tmplsource)
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assert tmpl.render(val=True).split()[0] == 'Markup'
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assert tmpl.render(val=False).split()[0] == text_type.__name__
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# looking at the source we should see <testing> there in raw
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# (and then escaped as well)
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env = Environment(extensions=['jinja2.ext.autoescape'])
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pysource = env.compile(tmplsource, raw=True)
|
|
assert '<testing>\\n' in pysource
|
|
|
|
env = Environment(extensions=['jinja2.ext.autoescape'],
|
|
autoescape=True)
|
|
pysource = env.compile(tmplsource, raw=True)
|
|
assert '<testing>\\n' in pysource
|
|
|
|
|
|
def suite():
|
|
suite = unittest.TestSuite()
|
|
suite.addTest(unittest.makeSuite(ExtensionsTestCase))
|
|
suite.addTest(unittest.makeSuite(InternationalizationTestCase))
|
|
suite.addTest(unittest.makeSuite(NewstyleInternationalizationTestCase))
|
|
suite.addTest(unittest.makeSuite(AutoEscapeTestCase))
|
|
return suite
|