mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-01 05:49:58 +00:00
460 lines
18 KiB
Python
460 lines
18 KiB
Python
# -*- coding: utf-8 -*-
|
|
"""
|
|
jinja2.testsuite.ext
|
|
~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Tests for the extensions.
|
|
|
|
:copyright: (c) 2010 by the Jinja Team.
|
|
:license: BSD, see LICENSE for more details.
|
|
"""
|
|
import re
|
|
import unittest
|
|
|
|
from jinja2.testsuite import JinjaTestCase
|
|
|
|
from jinja2 import Environment, DictLoader, contextfunction, nodes
|
|
from jinja2.exceptions import TemplateAssertionError
|
|
from jinja2.ext import Extension
|
|
from jinja2.lexer import Token, count_newlines
|
|
from jinja2._compat import next, BytesIO, itervalues, text_type
|
|
|
|
importable_object = 23
|
|
|
|
_gettext_re = re.compile(r'_\((.*?)\)(?s)')
|
|
|
|
|
|
i18n_templates = {
|
|
'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
|
|
'{% block body %}{% endblock %}',
|
|
'child.html': '{% extends "master.html" %}{% block body %}'
|
|
'{% trans %}watch out{% endtrans %}{% endblock %}',
|
|
'plural.html': '{% trans user_count %}One user online{% pluralize %}'
|
|
'{{ user_count }} users online{% endtrans %}',
|
|
'plural2.html': '{% trans user_count=get_user_count() %}{{ user_count }}s'
|
|
'{% pluralize %}{{ user_count }}p{% endtrans %}',
|
|
'stringformat.html': '{{ _("User: %(num)s")|format(num=user_count) }}'
|
|
}
|
|
|
|
newstyle_i18n_templates = {
|
|
'master.html': '<title>{{ page_title|default(_("missing")) }}</title>'
|
|
'{% block body %}{% endblock %}',
|
|
'child.html': '{% extends "master.html" %}{% block body %}'
|
|
'{% trans %}watch out{% endtrans %}{% endblock %}',
|
|
'plural.html': '{% trans user_count %}One user online{% pluralize %}'
|
|
'{{ user_count }} users online{% endtrans %}',
|
|
'stringformat.html': '{{ _("User: %(num)s", num=user_count) }}',
|
|
'ngettext.html': '{{ ngettext("%(num)s apple", "%(num)s apples", apples) }}',
|
|
'ngettext_long.html': '{% trans num=apples %}{{ num }} apple{% pluralize %}'
|
|
'{{ num }} apples{% endtrans %}',
|
|
'transvars1.html': '{% trans %}User: {{ num }}{% endtrans %}',
|
|
'transvars2.html': '{% trans num=count %}User: {{ num }}{% endtrans %}',
|
|
'transvars3.html': '{% trans count=num %}User: {{ count }}{% endtrans %}',
|
|
'novars.html': '{% trans %}%(hello)s{% endtrans %}',
|
|
'vars.html': '{% trans %}{{ foo }}%(foo)s{% endtrans %}',
|
|
'explicitvars.html': '{% trans foo="42" %}%(foo)s{% endtrans %}'
|
|
}
|
|
|
|
|
|
languages = {
|
|
'de': {
|
|
'missing': u'fehlend',
|
|
'watch out': u'pass auf',
|
|
'One user online': u'Ein Benutzer online',
|
|
'%(user_count)s users online': u'%(user_count)s Benutzer online',
|
|
'User: %(num)s': u'Benutzer: %(num)s',
|
|
'User: %(count)s': u'Benutzer: %(count)s',
|
|
'%(num)s apple': u'%(num)s Apfel',
|
|
'%(num)s apples': u'%(num)s Äpfel'
|
|
}
|
|
}
|
|
|
|
|
|
@contextfunction
|
|
def gettext(context, string):
|
|
language = context.get('LANGUAGE', 'en')
|
|
return languages.get(language, {}).get(string, string)
|
|
|
|
|
|
@contextfunction
|
|
def ngettext(context, s, p, n):
|
|
language = context.get('LANGUAGE', 'en')
|
|
if n != 1:
|
|
return languages.get(language, {}).get(p, p)
|
|
return languages.get(language, {}).get(s, s)
|
|
|
|
|
|
i18n_env = Environment(
|
|
loader=DictLoader(i18n_templates),
|
|
extensions=['jinja2.ext.i18n']
|
|
)
|
|
i18n_env.globals.update({
|
|
'_': gettext,
|
|
'gettext': gettext,
|
|
'ngettext': ngettext
|
|
})
|
|
|
|
newstyle_i18n_env = Environment(
|
|
loader=DictLoader(newstyle_i18n_templates),
|
|
extensions=['jinja2.ext.i18n']
|
|
)
|
|
newstyle_i18n_env.install_gettext_callables(gettext, ngettext, newstyle=True)
|
|
|
|
class TestExtension(Extension):
|
|
tags = set(['test'])
|
|
ext_attr = 42
|
|
|
|
def parse(self, parser):
|
|
return nodes.Output([self.call_method('_dump', [
|
|
nodes.EnvironmentAttribute('sandboxed'),
|
|
self.attr('ext_attr'),
|
|
nodes.ImportedName(__name__ + '.importable_object'),
|
|
nodes.ContextReference()
|
|
])]).set_lineno(next(parser.stream).lineno)
|
|
|
|
def _dump(self, sandboxed, ext_attr, imported_object, context):
|
|
return '%s|%s|%s|%s' % (
|
|
sandboxed,
|
|
ext_attr,
|
|
imported_object,
|
|
context.blocks
|
|
)
|
|
|
|
|
|
class PreprocessorExtension(Extension):
|
|
|
|
def preprocess(self, source, name, filename=None):
|
|
return source.replace('[[TEST]]', '({{ foo }})')
|
|
|
|
|
|
class StreamFilterExtension(Extension):
|
|
|
|
def filter_stream(self, stream):
|
|
for token in stream:
|
|
if token.type == 'data':
|
|
for t in self.interpolate(token):
|
|
yield t
|
|
else:
|
|
yield token
|
|
|
|
def interpolate(self, token):
|
|
pos = 0
|
|
end = len(token.value)
|
|
lineno = token.lineno
|
|
while 1:
|
|
match = _gettext_re.search(token.value, pos)
|
|
if match is None:
|
|
break
|
|
value = token.value[pos:match.start()]
|
|
if value:
|
|
yield Token(lineno, 'data', value)
|
|
lineno += count_newlines(token.value)
|
|
yield Token(lineno, 'variable_begin', None)
|
|
yield Token(lineno, 'name', 'gettext')
|
|
yield Token(lineno, 'lparen', None)
|
|
yield Token(lineno, 'string', match.group(1))
|
|
yield Token(lineno, 'rparen', None)
|
|
yield Token(lineno, 'variable_end', None)
|
|
pos = match.end()
|
|
if pos < end:
|
|
yield Token(lineno, 'data', token.value[pos:])
|
|
|
|
|
|
class ExtensionsTestCase(JinjaTestCase):
|
|
|
|
def test_extend_late(self):
|
|
env = Environment()
|
|
env.add_extension('jinja2.ext.autoescape')
|
|
t = env.from_string('{% autoescape true %}{{ "<test>" }}{% endautoescape %}')
|
|
assert t.render() == '<test>'
|
|
|
|
def test_loop_controls(self):
|
|
env = Environment(extensions=['jinja2.ext.loopcontrols'])
|
|
|
|
tmpl = env.from_string('''
|
|
{%- for item in [1, 2, 3, 4] %}
|
|
{%- if item % 2 == 0 %}{% continue %}{% endif -%}
|
|
{{ item }}
|
|
{%- endfor %}''')
|
|
assert tmpl.render() == '13'
|
|
|
|
tmpl = env.from_string('''
|
|
{%- for item in [1, 2, 3, 4] %}
|
|
{%- if item > 2 %}{% break %}{% endif -%}
|
|
{{ item }}
|
|
{%- endfor %}''')
|
|
assert tmpl.render() == '12'
|
|
|
|
def test_do(self):
|
|
env = Environment(extensions=['jinja2.ext.do'])
|
|
tmpl = env.from_string('''
|
|
{%- set items = [] %}
|
|
{%- for char in "foo" %}
|
|
{%- do items.append(loop.index0 ~ char) %}
|
|
{%- endfor %}{{ items|join(', ') }}''')
|
|
assert tmpl.render() == '0f, 1o, 2o'
|
|
|
|
def test_with(self):
|
|
env = Environment(extensions=['jinja2.ext.with_'])
|
|
tmpl = env.from_string('''\
|
|
{% with a=42, b=23 -%}
|
|
{{ a }} = {{ b }}
|
|
{% endwith -%}
|
|
{{ a }} = {{ b }}\
|
|
''')
|
|
assert [x.strip() for x in tmpl.render(a=1, b=2).splitlines()] \
|
|
== ['42 = 23', '1 = 2']
|
|
|
|
def test_extension_nodes(self):
|
|
env = Environment(extensions=[TestExtension])
|
|
tmpl = env.from_string('{% test %}')
|
|
assert tmpl.render() == 'False|42|23|{}'
|
|
|
|
def test_identifier(self):
|
|
assert TestExtension.identifier == __name__ + '.TestExtension'
|
|
|
|
def test_rebinding(self):
|
|
original = Environment(extensions=[TestExtension])
|
|
overlay = original.overlay()
|
|
for env in original, overlay:
|
|
for ext in itervalues(env.extensions):
|
|
assert ext.environment is env
|
|
|
|
def test_preprocessor_extension(self):
|
|
env = Environment(extensions=[PreprocessorExtension])
|
|
tmpl = env.from_string('{[[TEST]]}')
|
|
assert tmpl.render(foo=42) == '{(42)}'
|
|
|
|
def test_streamfilter_extension(self):
|
|
env = Environment(extensions=[StreamFilterExtension])
|
|
env.globals['gettext'] = lambda x: x.upper()
|
|
tmpl = env.from_string('Foo _(bar) Baz')
|
|
out = tmpl.render()
|
|
assert out == 'Foo BAR Baz'
|
|
|
|
def test_extension_ordering(self):
|
|
class T1(Extension):
|
|
priority = 1
|
|
class T2(Extension):
|
|
priority = 2
|
|
env = Environment(extensions=[T1, T2])
|
|
ext = list(env.iter_extensions())
|
|
assert ext[0].__class__ is T1
|
|
assert ext[1].__class__ is T2
|
|
|
|
|
|
class InternationalizationTestCase(JinjaTestCase):
|
|
|
|
def test_trans(self):
|
|
tmpl = i18n_env.get_template('child.html')
|
|
assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
|
|
|
|
def test_trans_plural(self):
|
|
tmpl = i18n_env.get_template('plural.html')
|
|
assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
|
|
assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
|
|
|
|
def test_trans_plural_with_functions(self):
|
|
tmpl = i18n_env.get_template('plural2.html')
|
|
def get_user_count():
|
|
get_user_count.called += 1
|
|
return 1
|
|
get_user_count.called = 0
|
|
assert tmpl.render(LANGUAGE='de', get_user_count=get_user_count) == '1s'
|
|
assert get_user_count.called == 1
|
|
|
|
def test_complex_plural(self):
|
|
tmpl = i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
|
|
'pluralize count %}{{ count }} items{% endtrans %}')
|
|
assert tmpl.render() == '2 items'
|
|
self.assert_raises(TemplateAssertionError, i18n_env.from_string,
|
|
'{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
|
|
|
|
def test_trans_stringformatting(self):
|
|
tmpl = i18n_env.get_template('stringformat.html')
|
|
assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
|
|
|
|
def test_extract(self):
|
|
from jinja2.ext import babel_extract
|
|
source = BytesIO('''
|
|
{{ gettext('Hello World') }}
|
|
{% trans %}Hello World{% endtrans %}
|
|
{% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
|
|
'''.encode('ascii')) # make python 3 happy
|
|
assert list(babel_extract(source, ('gettext', 'ngettext', '_'), [], {})) == [
|
|
(2, 'gettext', u'Hello World', []),
|
|
(3, 'gettext', u'Hello World', []),
|
|
(4, 'ngettext', (u'%(users)s user', u'%(users)s users', None), [])
|
|
]
|
|
|
|
def test_comment_extract(self):
|
|
from jinja2.ext import babel_extract
|
|
source = BytesIO('''
|
|
{# trans first #}
|
|
{{ gettext('Hello World') }}
|
|
{% trans %}Hello World{% endtrans %}{# trans second #}
|
|
{#: third #}
|
|
{% trans %}{{ users }} user{% pluralize %}{{ users }} users{% endtrans %}
|
|
'''.encode('utf-8')) # make python 3 happy
|
|
assert list(babel_extract(source, ('gettext', 'ngettext', '_'), ['trans', ':'], {})) == [
|
|
(3, 'gettext', u'Hello World', ['first']),
|
|
(4, 'gettext', u'Hello World', ['second']),
|
|
(6, 'ngettext', (u'%(users)s user', u'%(users)s users', None), ['third'])
|
|
]
|
|
|
|
|
|
class NewstyleInternationalizationTestCase(JinjaTestCase):
|
|
|
|
def test_trans(self):
|
|
tmpl = newstyle_i18n_env.get_template('child.html')
|
|
assert tmpl.render(LANGUAGE='de') == '<title>fehlend</title>pass auf'
|
|
|
|
def test_trans_plural(self):
|
|
tmpl = newstyle_i18n_env.get_template('plural.html')
|
|
assert tmpl.render(LANGUAGE='de', user_count=1) == 'Ein Benutzer online'
|
|
assert tmpl.render(LANGUAGE='de', user_count=2) == '2 Benutzer online'
|
|
|
|
def test_complex_plural(self):
|
|
tmpl = newstyle_i18n_env.from_string('{% trans foo=42, count=2 %}{{ count }} item{% '
|
|
'pluralize count %}{{ count }} items{% endtrans %}')
|
|
assert tmpl.render() == '2 items'
|
|
self.assert_raises(TemplateAssertionError, i18n_env.from_string,
|
|
'{% trans foo %}...{% pluralize bar %}...{% endtrans %}')
|
|
|
|
def test_trans_stringformatting(self):
|
|
tmpl = newstyle_i18n_env.get_template('stringformat.html')
|
|
assert tmpl.render(LANGUAGE='de', user_count=5) == 'Benutzer: 5'
|
|
|
|
def test_newstyle_plural(self):
|
|
tmpl = newstyle_i18n_env.get_template('ngettext.html')
|
|
assert tmpl.render(LANGUAGE='de', apples=1) == '1 Apfel'
|
|
assert tmpl.render(LANGUAGE='de', apples=5) == u'5 Äpfel'
|
|
|
|
def test_autoescape_support(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape',
|
|
'jinja2.ext.i18n'])
|
|
env.install_gettext_callables(lambda x: u'<strong>Wert: %(name)s</strong>',
|
|
lambda s, p, n: s, newstyle=True)
|
|
t = env.from_string('{% autoescape ae %}{{ gettext("foo", name='
|
|
'"<test>") }}{% endautoescape %}')
|
|
assert t.render(ae=True) == '<strong>Wert: <test></strong>'
|
|
assert t.render(ae=False) == '<strong>Wert: <test></strong>'
|
|
|
|
def test_num_used_twice(self):
|
|
tmpl = newstyle_i18n_env.get_template('ngettext_long.html')
|
|
assert tmpl.render(apples=5, LANGUAGE='de') == u'5 Äpfel'
|
|
|
|
def test_num_called_num(self):
|
|
source = newstyle_i18n_env.compile('''
|
|
{% trans num=3 %}{{ num }} apple{% pluralize
|
|
%}{{ num }} apples{% endtrans %}
|
|
''', raw=True)
|
|
# quite hacky, but the only way to properly test that. The idea is
|
|
# that the generated code does not pass num twice (although that
|
|
# would work) for better performance. This only works on the
|
|
# newstyle gettext of course
|
|
assert re.search(r"l_ngettext, u?'\%\(num\)s apple', u?'\%\(num\)s "
|
|
r"apples', 3", source) is not None
|
|
|
|
def test_trans_vars(self):
|
|
t1 = newstyle_i18n_env.get_template('transvars1.html')
|
|
t2 = newstyle_i18n_env.get_template('transvars2.html')
|
|
t3 = newstyle_i18n_env.get_template('transvars3.html')
|
|
assert t1.render(num=1, LANGUAGE='de') == 'Benutzer: 1'
|
|
assert t2.render(count=23, LANGUAGE='de') == 'Benutzer: 23'
|
|
assert t3.render(num=42, LANGUAGE='de') == 'Benutzer: 42'
|
|
|
|
def test_novars_vars_escaping(self):
|
|
t = newstyle_i18n_env.get_template('novars.html')
|
|
assert t.render() == '%(hello)s'
|
|
t = newstyle_i18n_env.get_template('vars.html')
|
|
assert t.render(foo='42') == '42%(foo)s'
|
|
t = newstyle_i18n_env.get_template('explicitvars.html')
|
|
assert t.render() == '%(foo)s'
|
|
|
|
|
|
class AutoEscapeTestCase(JinjaTestCase):
|
|
|
|
def test_scoped_setting(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape'],
|
|
autoescape=True)
|
|
tmpl = env.from_string('''
|
|
{{ "<HelloWorld>" }}
|
|
{% autoescape false %}
|
|
{{ "<HelloWorld>" }}
|
|
{% endautoescape %}
|
|
{{ "<HelloWorld>" }}
|
|
''')
|
|
assert tmpl.render().split() == \
|
|
[u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
|
|
|
|
env = Environment(extensions=['jinja2.ext.autoescape'],
|
|
autoescape=False)
|
|
tmpl = env.from_string('''
|
|
{{ "<HelloWorld>" }}
|
|
{% autoescape true %}
|
|
{{ "<HelloWorld>" }}
|
|
{% endautoescape %}
|
|
{{ "<HelloWorld>" }}
|
|
''')
|
|
assert tmpl.render().split() == \
|
|
[u'<HelloWorld>', u'<HelloWorld>', u'<HelloWorld>']
|
|
|
|
def test_nonvolatile(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape'],
|
|
autoescape=True)
|
|
tmpl = env.from_string('{{ {"foo": "<test>"}|xmlattr|escape }}')
|
|
assert tmpl.render() == ' foo="<test>"'
|
|
tmpl = env.from_string('{% autoescape false %}{{ {"foo": "<test>"}'
|
|
'|xmlattr|escape }}{% endautoescape %}')
|
|
assert tmpl.render() == ' foo="&lt;test&gt;"'
|
|
|
|
def test_volatile(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape'],
|
|
autoescape=True)
|
|
tmpl = env.from_string('{% autoescape foo %}{{ {"foo": "<test>"}'
|
|
'|xmlattr|escape }}{% endautoescape %}')
|
|
assert tmpl.render(foo=False) == ' foo="&lt;test&gt;"'
|
|
assert tmpl.render(foo=True) == ' foo="<test>"'
|
|
|
|
def test_scoping(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape'])
|
|
tmpl = env.from_string('{% autoescape true %}{% set x = "<x>" %}{{ x }}'
|
|
'{% endautoescape %}{{ x }}{{ "<y>" }}')
|
|
assert tmpl.render(x=1) == '<x>1<y>'
|
|
|
|
def test_volatile_scoping(self):
|
|
env = Environment(extensions=['jinja2.ext.autoescape'])
|
|
tmplsource = '''
|
|
{% autoescape val %}
|
|
{% macro foo(x) %}
|
|
[{{ x }}]
|
|
{% endmacro %}
|
|
{{ foo().__class__.__name__ }}
|
|
{% endautoescape %}
|
|
{{ '<testing>' }}
|
|
'''
|
|
tmpl = env.from_string(tmplsource)
|
|
assert tmpl.render(val=True).split()[0] == 'Markup'
|
|
assert tmpl.render(val=False).split()[0] == text_type.__name__
|
|
|
|
# looking at the source we should see <testing> there in raw
|
|
# (and then escaped as well)
|
|
env = Environment(extensions=['jinja2.ext.autoescape'])
|
|
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
|