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django/tests/template_tests/syntax_tests/i18n/test_translate.py

317 lines
12 KiB
Python

import inspect
from functools import partial, wraps
from asgiref.local import Local
from django.template import Context, Template, TemplateSyntaxError
from django.templatetags.l10n import LocalizeNode
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 as base_setup
from .base import MultipleLocaleActivationTestCase, extended_locale_paths
def setup(templates, *args, **kwargs):
translate_setup = base_setup(templates, *args, **kwargs)
trans_setup = base_setup(
{
name: template.replace("{% translate ", "{% trans ")
for name, template in templates.items()
}
)
tags = {
"trans": trans_setup,
"translate": translate_setup,
}
def decorator(func):
@wraps(func)
def inner(self, *args):
signature = inspect.signature(func)
for tag_name, setup_func in tags.items():
if "tag_name" in signature.parameters:
setup_func(partial(func, tag_name=tag_name))(self)
else:
setup_func(func)(self)
return inner
return decorator
class I18nTransTagTests(SimpleTestCase):
libraries = {"i18n": "django.templatetags.i18n"}
@setup({"i18n01": "{% load i18n %}{% translate 'xxxyyyxxx' %}"})
def test_i18n01(self):
"""simple translation of a string delimited by '."""
output = self.engine.render_to_string("i18n01")
self.assertEqual(output, "xxxyyyxxx")
@setup({"i18n02": '{% load i18n %}{% translate "xxxyyyxxx" %}'})
def test_i18n02(self):
"""simple translation of a string delimited by "."""
output = self.engine.render_to_string("i18n02")
self.assertEqual(output, "xxxyyyxxx")
@setup({"i18n06": '{% load i18n %}{% translate "Page not found" %}'})
def test_i18n06(self):
"""simple translation of a string to German"""
with translation.override("de"):
output = self.engine.render_to_string("i18n06")
self.assertEqual(output, "Seite nicht gefunden")
@setup({"i18n09": '{% load i18n %}{% translate "Page not found" noop %}'})
def test_i18n09(self):
"""simple non-translation (only marking) of a string to German"""
with translation.override("de"):
output = self.engine.render_to_string("i18n09")
self.assertEqual(output, "Page not found")
@setup({"i18n20": "{% load i18n %}{% translate andrew %}"})
def test_i18n20(self):
output = self.engine.render_to_string("i18n20", {"andrew": "a & b"})
self.assertEqual(output, "a & b")
@setup({"i18n22": "{% load i18n %}{% translate andrew %}"})
def test_i18n22(self):
output = self.engine.render_to_string("i18n22", {"andrew": mark_safe("a & b")})
self.assertEqual(output, "a & b")
@setup(
{
"i18n23": (
'{% load i18n %}{% translate "Page not found"|capfirst|slice:"6:" %}'
)
}
)
def test_i18n23(self):
"""Using filters with the {% translate %} tag (#5972)."""
with translation.override("de"):
output = self.engine.render_to_string("i18n23")
self.assertEqual(output, "nicht gefunden")
@setup({"i18n24": "{% load i18n %}{% translate 'Page not found'|upper %}"})
def test_i18n24(self):
with translation.override("de"):
output = self.engine.render_to_string("i18n24")
self.assertEqual(output, "SEITE NICHT GEFUNDEN")
@setup({"i18n25": "{% load i18n %}{% translate somevar|upper %}"})
def test_i18n25(self):
with translation.override("de"):
output = self.engine.render_to_string(
"i18n25", {"somevar": "Page not found"}
)
self.assertEqual(output, "SEITE NICHT GEFUNDEN")
# trans tag with as var
@setup(
{
"i18n35": (
'{% load i18n %}{% translate "Page not found" as page_not_found %}'
"{{ page_not_found }}"
)
}
)
def test_i18n35(self):
with translation.override("de"):
output = self.engine.render_to_string("i18n35")
self.assertEqual(output, "Seite nicht gefunden")
@setup(
{
"i18n36": (
'{% load i18n %}{% translate "Page not found" noop as page_not_found %}'
"{{ page_not_found }}"
)
}
)
def test_i18n36(self):
with translation.override("de"):
output = self.engine.render_to_string("i18n36")
self.assertEqual(output, "Page not found")
@setup({"template": "{% load i18n %}{% translate %}A}"})
def test_syntax_error_no_arguments(self, tag_name):
msg = "'{}' takes at least one argument".format(tag_name)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" badoption %}'})
def test_syntax_error_bad_option(self, tag_name):
msg = "Unknown argument for '{}' tag: 'badoption'".format(tag_name)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" as %}'})
def test_syntax_error_missing_assignment(self, tag_name):
msg = "No argument provided to the '{}' tag for the as option.".format(tag_name)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" as var context %}'})
def test_syntax_error_missing_context(self, tag_name):
msg = "No argument provided to the '{}' tag for the context option.".format(
tag_name
)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" context as var %}'})
def test_syntax_error_context_as(self, tag_name):
msg = (
f"Invalid argument 'as' provided to the '{tag_name}' tag for the context "
f"option"
)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" context noop %}'})
def test_syntax_error_context_noop(self, tag_name):
msg = (
f"Invalid argument 'noop' provided to the '{tag_name}' tag for the context "
f"option"
)
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "Yes" noop noop %}'})
def test_syntax_error_duplicate_option(self):
msg = "The 'noop' option was specified more than once."
with self.assertRaisesMessage(TemplateSyntaxError, msg):
self.engine.render_to_string("template")
@setup({"template": '{% load i18n %}{% translate "%s" %}'})
def test_trans_tag_using_a_string_that_looks_like_str_fmt(self):
output = self.engine.render_to_string("template")
self.assertEqual(output, "%s")
class TranslationTransTagTests(SimpleTestCase):
tag_name = "trans"
def get_template(self, template_string):
return Template(
template_string.replace("{{% translate ", "{{% {}".format(self.tag_name))
)
@override_settings(LOCALE_PATHS=extended_locale_paths)
def test_template_tags_pgettext(self):
"""{% translate %} takes message contexts into account (#14806)."""
trans_real._active = Local()
trans_real._translations = {}
with translation.override("de"):
# Nonexistent context...
t = self.get_template(
'{% load i18n %}{% translate "May" context "nonexistent" %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, "May")
# Existing context... using a literal
t = self.get_template(
'{% load i18n %}{% translate "May" context "month name" %}'
)
rendered = t.render(Context())
self.assertEqual(rendered, "Mai")
t = self.get_template('{% load i18n %}{% translate "May" context "verb" %}')
rendered = t.render(Context())
self.assertEqual(rendered, "Kann")
# Using a variable
t = self.get_template(
'{% load i18n %}{% translate "May" context message_context %}'
)
rendered = t.render(Context({"message_context": "month name"}))
self.assertEqual(rendered, "Mai")
t = self.get_template(
'{% load i18n %}{% translate "May" context message_context %}'
)
rendered = t.render(Context({"message_context": "verb"}))
self.assertEqual(rendered, "Kann")
# Using a filter
t = self.get_template(
'{% load i18n %}{% translate "May" context message_context|lower %}'
)
rendered = t.render(Context({"message_context": "MONTH NAME"}))
self.assertEqual(rendered, "Mai")
t = self.get_template(
'{% load i18n %}{% translate "May" context message_context|lower %}'
)
rendered = t.render(Context({"message_context": "VERB"}))
self.assertEqual(rendered, "Kann")
# Using 'as'
t = self.get_template(
'{% load i18n %}{% translate "May" context "month name" as var %}'
"Value: {{ var }}"
)
rendered = t.render(Context())
self.assertEqual(rendered, "Value: Mai")
t = self.get_template(
'{% load i18n %}{% translate "May" as var context "verb" %}Value: '
"{{ var }}"
)
rendered = t.render(Context())
self.assertEqual(rendered, "Value: Kann")
class TranslationTranslateTagTests(TranslationTransTagTests):
tag_name = "translate"
class MultipleLocaleActivationTransTagTests(MultipleLocaleActivationTestCase):
tag_name = "trans"
def get_template(self, template_string):
return Template(
template_string.replace("{{% translate ", "{{% {}".format(self.tag_name))
)
def test_single_locale_activation(self):
"""
Simple baseline behavior with one locale for all the supported i18n
constructs.
"""
with translation.override("fr"):
self.assertEqual(
self.get_template("{% load i18n %}{% translate 'Yes' %}").render(
Context({})
),
"Oui",
)
def test_multiple_locale_trans(self):
with translation.override("de"):
t = self.get_template("{% load i18n %}{% translate 'No' %}")
with translation.override(self._old_language), translation.override("nl"):
self.assertEqual(t.render(Context({})), "Nee")
def test_multiple_locale_deactivate_trans(self):
with translation.override("de", deactivate=True):
t = self.get_template("{% load i18n %}{% translate 'No' %}")
with translation.override("nl"):
self.assertEqual(t.render(Context({})), "Nee")
def test_multiple_locale_direct_switch_trans(self):
with translation.override("de"):
t = self.get_template("{% load i18n %}{% translate 'No' %}")
with translation.override("nl"):
self.assertEqual(t.render(Context({})), "Nee")
class MultipleLocaleActivationTranslateTagTests(MultipleLocaleActivationTransTagTests):
tag_name = "translate"
class LocalizeNodeTests(SimpleTestCase):
def test_repr(self):
node = LocalizeNode(nodelist=[], use_l10n=True)
self.assertEqual(repr(node), "<LocalizeNode>")