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django/tests/template_tests/syntax_tests/i18n/test_blocktrans.py
Claude Paroz 3a148f958d Refs #27795 -- Removed force_text from the template layer
Thanks Tim Graham for the review.
2017-02-07 17:14:02 +01:00

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import os
from threading import local
from django.template import Context, Template, TemplateSyntaxError
from django.test import SimpleTestCase, override_settings
from django.utils import translation
from django.utils.safestring import mark_safe
from django.utils.translation import trans_real
from ...utils import setup
from .base import MultipleLocaleActivationTestCase, extended_locale_paths, here
class I18nBlockTransTagTests(SimpleTestCase):
libraries = {'i18n': 'django.templatetags.i18n'}
@setup({'i18n03': '{% load i18n %}{% blocktrans %}{{ anton }}{% endblocktrans %}'})
def test_i18n03(self):
"""simple translation of a variable"""
output = self.engine.render_to_string('i18n03', {'anton': 'Å'})
self.assertEqual(output, 'Å')
@setup({'i18n04': '{% load i18n %}{% blocktrans with berta=anton|lower %}{{ berta }}{% endblocktrans %}'})
def test_i18n04(self):
"""simple translation of a variable and filter"""
output = self.engine.render_to_string('i18n04', {'anton': 'Å'})
self.assertEqual(output, 'å')
@setup({'legacyi18n04': '{% load i18n %}'
'{% blocktrans with anton|lower as berta %}{{ berta }}{% endblocktrans %}'})
def test_legacyi18n04(self):
"""simple translation of a variable and filter"""
output = self.engine.render_to_string('legacyi18n04', {'anton': 'Å'})
self.assertEqual(output, 'å')
@setup({'i18n05': '{% load i18n %}{% blocktrans %}xxx{{ anton }}xxx{% endblocktrans %}'})
def test_i18n05(self):
"""simple translation of a string with interpolation"""
output = self.engine.render_to_string('i18n05', {'anton': 'yyy'})
self.assertEqual(output, 'xxxyyyxxx')
@setup({'i18n07': '{% load i18n %}'
'{% blocktrans count counter=number %}singular{% plural %}'
'{{ counter }} plural{% endblocktrans %}'})
def test_i18n07(self):
"""translation of singular form"""
output = self.engine.render_to_string('i18n07', {'number': 1})
self.assertEqual(output, 'singular')
@setup({'legacyi18n07': '{% load i18n %}'
'{% blocktrans count number as counter %}singular{% plural %}'
'{{ counter }} plural{% endblocktrans %}'})
def test_legacyi18n07(self):
"""translation of singular form"""
output = self.engine.render_to_string('legacyi18n07', {'number': 1})
self.assertEqual(output, 'singular')
@setup({'i18n08': '{% load i18n %}'
'{% blocktrans count number as counter %}singular{% plural %}'
'{{ counter }} plural{% endblocktrans %}'})
def test_i18n08(self):
"""translation of plural form"""
output = self.engine.render_to_string('i18n08', {'number': 2})
self.assertEqual(output, '2 plural')
@setup({'legacyi18n08': '{% load i18n %}'
'{% blocktrans count counter=number %}singular{% plural %}'
'{{ counter }} plural{% endblocktrans %}'})
def test_legacyi18n08(self):
"""translation of plural form"""
output = self.engine.render_to_string('legacyi18n08', {'number': 2})
self.assertEqual(output, '2 plural')
@setup({'i18n17': '{% load i18n %}'
'{% blocktrans with berta=anton|escape %}{{ berta }}{% endblocktrans %}'})
def test_i18n17(self):
"""
Escaping inside blocktrans and trans works as if it was directly in the
template.
"""
output = self.engine.render_to_string('i18n17', {'anton': 'α & β'})
self.assertEqual(output, 'α & β')
@setup({'i18n18': '{% load i18n %}'
'{% blocktrans with berta=anton|force_escape %}{{ berta }}{% endblocktrans %}'})
def test_i18n18(self):
output = self.engine.render_to_string('i18n18', {'anton': 'α & β'})
self.assertEqual(output, 'α & β')
@setup({'i18n19': '{% load i18n %}{% blocktrans %}{{ andrew }}{% endblocktrans %}'})
def test_i18n19(self):
output = self.engine.render_to_string('i18n19', {'andrew': 'a & b'})
self.assertEqual(output, 'a & b')
@setup({'i18n21': '{% load i18n %}{% blocktrans %}{{ andrew }}{% endblocktrans %}'})
def test_i18n21(self):
output = self.engine.render_to_string('i18n21', {'andrew': mark_safe('a & b')})
self.assertEqual(output, 'a & b')
@setup({'legacyi18n17': '{% load i18n %}'
'{% blocktrans with anton|escape as berta %}{{ berta }}{% endblocktrans %}'})
def test_legacyi18n17(self):
output = self.engine.render_to_string('legacyi18n17', {'anton': 'α & β'})
self.assertEqual(output, 'α & β')
@setup({'legacyi18n18': '{% load i18n %}'
'{% blocktrans with anton|force_escape as berta %}'
'{{ berta }}{% endblocktrans %}'})
def test_legacyi18n18(self):
output = self.engine.render_to_string('legacyi18n18', {'anton': 'α & β'})
self.assertEqual(output, 'α & β')
@setup({'i18n26': '{% load i18n %}'
'{% blocktrans with extra_field=myextra_field count counter=number %}'
'singular {{ extra_field }}{% plural %}plural{% endblocktrans %}'})
def test_i18n26(self):
"""
translation of plural form with extra field in singular form (#13568)
"""
output = self.engine.render_to_string('i18n26', {'myextra_field': 'test', 'number': 1})
self.assertEqual(output, 'singular test')
@setup({'legacyi18n26': '{% load i18n %}'
'{% blocktrans with myextra_field as extra_field count number as counter %}'
'singular {{ extra_field }}{% plural %}plural{% endblocktrans %}'})
def test_legacyi18n26(self):
output = self.engine.render_to_string('legacyi18n26', {'myextra_field': 'test', 'number': 1})
self.assertEqual(output, 'singular test')
@setup({'i18n27': '{% load i18n %}{% blocktrans count counter=number %}'
'{{ counter }} result{% plural %}{{ counter }} results'
'{% endblocktrans %}'})
def test_i18n27(self):
"""translation of singular form in Russian (#14126)"""
with translation.override('ru'):
output = self.engine.render_to_string('i18n27', {'number': 1})
self.assertEqual(output, '1 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442')
@setup({'legacyi18n27': '{% load i18n %}'
'{% blocktrans count number as counter %}{{ counter }} result'
'{% plural %}{{ counter }} results{% endblocktrans %}'})
def test_legacyi18n27(self):
with translation.override('ru'):
output = self.engine.render_to_string('legacyi18n27', {'number': 1})
self.assertEqual(output, '1 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442')
@setup({'i18n28': '{% load i18n %}'
'{% blocktrans with a=anton b=berta %}{{ a }} + {{ b }}{% endblocktrans %}'})
def test_i18n28(self):
"""simple translation of multiple variables"""
output = self.engine.render_to_string('i18n28', {'anton': 'α', 'berta': 'β'})
self.assertEqual(output, 'α + β')
@setup({'legacyi18n28': '{% load i18n %}'
'{% blocktrans with anton as a and berta as b %}'
'{{ a }} + {{ b }}{% endblocktrans %}'})
def test_legacyi18n28(self):
output = self.engine.render_to_string('legacyi18n28', {'anton': 'α', 'berta': 'β'})
self.assertEqual(output, 'α + β')
# blocktrans handling of variables which are not in the context.
# this should work as if blocktrans was not there (#19915)
@setup({'i18n34': '{% load i18n %}{% blocktrans %}{{ missing }}{% endblocktrans %}'})
def test_i18n34(self):
output = self.engine.render_to_string('i18n34')
if self.engine.string_if_invalid:
self.assertEqual(output, 'INVALID')
else:
self.assertEqual(output, '')
@setup({'i18n34_2': '{% load i18n %}{% blocktrans with a=\'α\' %}{{ missing }}{% endblocktrans %}'})
def test_i18n34_2(self):
output = self.engine.render_to_string('i18n34_2')
if self.engine.string_if_invalid:
self.assertEqual(output, 'INVALID')
else:
self.assertEqual(output, '')
@setup({'i18n34_3': '{% load i18n %}{% blocktrans with a=anton %}{{ missing }}{% endblocktrans %}'})
def test_i18n34_3(self):
output = self.engine.render_to_string(
'i18n34_3', {'anton': '\xce\xb1'})
if self.engine.string_if_invalid:
self.assertEqual(output, 'INVALID')
else:
self.assertEqual(output, '')
@setup({'i18n37': '{% load i18n %}'
'{% trans "Page not found" as page_not_found %}'
'{% blocktrans %}Error: {{ page_not_found }}{% endblocktrans %}'})
def test_i18n37(self):
with translation.override('de'):
output = self.engine.render_to_string('i18n37')
self.assertEqual(output, 'Error: Seite nicht gefunden')
# blocktrans tag with asvar
@setup({'i18n39': '{% load i18n %}'
'{% blocktrans asvar page_not_found %}Page not found{% endblocktrans %}'
'>{{ page_not_found }}<'})
def test_i18n39(self):
with translation.override('de'):
output = self.engine.render_to_string('i18n39')
self.assertEqual(output, '>Seite nicht gefunden<')
@setup({'i18n40': '{% load i18n %}'
'{% trans "Page not found" as pg_404 %}'
'{% blocktrans with page_not_found=pg_404 asvar output %}'
'Error: {{ page_not_found }}'
'{% endblocktrans %}'})
def test_i18n40(self):
output = self.engine.render_to_string('i18n40')
self.assertEqual(output, '')
@setup({'i18n41': '{% load i18n %}'
'{% trans "Page not found" as pg_404 %}'
'{% blocktrans with page_not_found=pg_404 asvar output %}'
'Error: {{ page_not_found }}'
'{% endblocktrans %}'
'>{{ output }}<'})
def test_i18n41(self):
with translation.override('de'):
output = self.engine.render_to_string('i18n41')
self.assertEqual(output, '>Error: Seite nicht gefunden<')
@setup({'template': '{% load i18n %}{% blocktrans asvar %}Yes{% endblocktrans %}'})
def test_blocktrans_syntax_error_missing_assignment(self):
msg = "No argument provided to the 'blocktrans' tag for the asvar option."
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string('template')
@setup({'template': '{% load i18n %}{% blocktrans %}%s{% endblocktrans %}'})
def test_blocktrans_tag_using_a_string_that_looks_like_str_fmt(self):
output = self.engine.render_to_string('template')
self.assertEqual(output, '%s')
class TranslationBlockTransTagTests(SimpleTestCase):
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_template_tags_pgettext(self):
"""{% blocktrans %} takes message contexts into account (#14806)."""
trans_real._active = local()
trans_real._translations = {}
with translation.override('de'):
# Nonexistent context
t = Template('{% load i18n %}{% blocktrans context "nonexistent" %}May{% endblocktrans %}')
rendered = t.render(Context())
self.assertEqual(rendered, 'May')
# Existing context... using a literal
t = Template('{% load i18n %}{% blocktrans context "month name" %}May{% endblocktrans %}')
rendered = t.render(Context())
self.assertEqual(rendered, 'Mai')
t = Template('{% load i18n %}{% blocktrans context "verb" %}May{% endblocktrans %}')
rendered = t.render(Context())
self.assertEqual(rendered, 'Kann')
# Using a variable
t = Template('{% load i18n %}{% blocktrans context message_context %}May{% endblocktrans %}')
rendered = t.render(Context({'message_context': 'month name'}))
self.assertEqual(rendered, 'Mai')
t = Template('{% load i18n %}{% blocktrans context message_context %}May{% endblocktrans %}')
rendered = t.render(Context({'message_context': 'verb'}))
self.assertEqual(rendered, 'Kann')
# Using a filter
t = Template('{% load i18n %}{% blocktrans context message_context|lower %}May{% endblocktrans %}')
rendered = t.render(Context({'message_context': 'MONTH NAME'}))
self.assertEqual(rendered, 'Mai')
t = Template('{% load i18n %}{% blocktrans context message_context|lower %}May{% endblocktrans %}')
rendered = t.render(Context({'message_context': 'VERB'}))
self.assertEqual(rendered, 'Kann')
# Using 'count'
t = Template(
'{% load i18n %}{% blocktrans count number=1 context "super search" %}'
'{{ number }} super result{% plural %}{{ number }} super results{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, '1 Super-Ergebnis')
t = Template(
'{% load i18n %}{% blocktrans count number=2 context "super search" %}{{ number }}'
' super result{% plural %}{{ number }} super results{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, '2 Super-Ergebnisse')
t = Template(
'{% load i18n %}{% blocktrans context "other super search" count number=1 %}'
'{{ number }} super result{% plural %}{{ number }} super results{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, '1 anderen Super-Ergebnis')
t = Template(
'{% load i18n %}{% blocktrans context "other super search" count number=2 %}'
'{{ number }} super result{% plural %}{{ number }} super results{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, '2 andere Super-Ergebnisse')
# Using 'with'
t = Template(
'{% load i18n %}{% blocktrans with num_comments=5 context "comment count" %}'
'There are {{ num_comments }} comments{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, 'Es gibt 5 Kommentare')
t = Template(
'{% load i18n %}{% blocktrans with num_comments=5 context "other comment count" %}'
'There are {{ num_comments }} comments{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, 'Andere: Es gibt 5 Kommentare')
# Using trimmed
t = Template(
'{% load i18n %}{% blocktrans trimmed %}\n\nThere\n\t are 5 '
'\n\n comments\n{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, 'There are 5 comments')
t = Template(
'{% load i18n %}{% blocktrans with num_comments=5 context "comment count" trimmed %}\n\n'
'There are \t\n \t {{ num_comments }} comments\n\n{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, 'Es gibt 5 Kommentare')
t = Template(
'{% load i18n %}{% blocktrans context "other super search" count number=2 trimmed %}\n'
'{{ number }} super \n result{% plural %}{{ number }} super results{% endblocktrans %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, '2 andere Super-Ergebnisse')
# Misuses
with self.assertRaises(TemplateSyntaxError):
Template('{% load i18n %}{% blocktrans context with month="May" %}{{ month }}{% endblocktrans %}')
with self.assertRaises(TemplateSyntaxError):
Template('{% load i18n %}{% blocktrans context %}{% endblocktrans %}')
with self.assertRaises(TemplateSyntaxError):
Template(
'{% load i18n %}{% blocktrans count number=2 context %}'
'{{ number }} super result{% plural %}{{ number }}'
' super results{% endblocktrans %}'
)
@override_settings(LOCALE_PATHS=[os.path.join(here, 'other', 'locale')])
def test_bad_placeholder_1(self):
"""
Error in translation file should not crash template rendering (#16516).
(%(person)s is translated as %(personne)s in fr.po).
"""
with translation.override('fr'):
t = Template('{% load i18n %}{% blocktrans %}My name is {{ person }}.{% endblocktrans %}')
rendered = t.render(Context({'person': 'James'}))
self.assertEqual(rendered, 'My name is James.')
@override_settings(LOCALE_PATHS=[os.path.join(here, 'other', 'locale')])
def test_bad_placeholder_2(self):
"""
Error in translation file should not crash template rendering (#18393).
(%(person) misses a 's' in fr.po, causing the string formatting to fail)
.
"""
with translation.override('fr'):
t = Template('{% load i18n %}{% blocktrans %}My other name is {{ person }}.{% endblocktrans %}')
rendered = t.render(Context({'person': 'James'}))
self.assertEqual(rendered, 'My other name is James.')
class MultipleLocaleActivationBlockTransTests(MultipleLocaleActivationTestCase):
def test_single_locale_activation(self):
"""
Simple baseline behavior with one locale for all the supported i18n
constructs.
"""
with translation.override('fr'):
self.assertEqual(
Template("{% load i18n %}{% blocktrans %}Yes{% endblocktrans %}").render(Context({})),
'Oui'
)
def test_multiple_locale_btrans(self):
with translation.override('de'):
t = Template("{% load i18n %}{% blocktrans %}No{% endblocktrans %}")
with translation.override(self._old_language), translation.override('nl'):
self.assertEqual(t.render(Context({})), 'Nee')
def test_multiple_locale_deactivate_btrans(self):
with translation.override('de', deactivate=True):
t = Template("{% load i18n %}{% blocktrans %}No{% endblocktrans %}")
with translation.override('nl'):
self.assertEqual(t.render(Context({})), 'Nee')
def test_multiple_locale_direct_switch_btrans(self):
with translation.override('de'):
t = Template("{% load i18n %}{% blocktrans %}No{% endblocktrans %}")
with translation.override('nl'):
self.assertEqual(t.render(Context({})), 'Nee')
class MiscTests(SimpleTestCase):
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_percent_in_translatable_block(self):
t_sing = Template("{% load i18n %}{% blocktrans %}The result was {{ percent }}%{% endblocktrans %}")
t_plur = Template(
"{% load i18n %}{% blocktrans count num as number %}"
"{{ percent }}% represents {{ num }} object{% plural %}"
"{{ percent }}% represents {{ num }} objects{% endblocktrans %}"
)
with translation.override('de'):
self.assertEqual(t_sing.render(Context({'percent': 42})), 'Das Ergebnis war 42%')
self.assertEqual(t_plur.render(Context({'percent': 42, 'num': 1})), '42% stellt 1 Objekt dar')
self.assertEqual(t_plur.render(Context({'percent': 42, 'num': 4})), '42% stellt 4 Objekte dar')
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_percent_formatting_in_blocktrans(self):
"""
Python's %-formatting is properly escaped in blocktrans, singular, or
plural.
"""
t_sing = Template("{% load i18n %}{% blocktrans %}There are %(num_comments)s comments{% endblocktrans %}")
t_plur = Template(
"{% load i18n %}{% blocktrans count num as number %}"
"%(percent)s% represents {{ num }} object{% plural %}"
"%(percent)s% represents {{ num }} objects{% endblocktrans %}"
)
with translation.override('de'):
# Strings won't get translated as they don't match after escaping %
self.assertEqual(t_sing.render(Context({'num_comments': 42})), 'There are %(num_comments)s comments')
self.assertEqual(t_plur.render(Context({'percent': 42, 'num': 1})), '%(percent)s% represents 1 object')
self.assertEqual(t_plur.render(Context({'percent': 42, 'num': 4})), '%(percent)s% represents 4 objects')