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# -*- coding: utf-8 -*-
import unittest
import pytest
from babel.messages import extract
from babel._compat import BytesIO
import django
from django_babel.extract import extract_django
default_keys = extract.DEFAULT_KEYWORDS.keys()
class ExtractDjangoTestCase(unittest.TestCase):
# TODO: translator comments are not yet supported!
def test_extract_no_tags(self):
buf = BytesIO(b'nothing')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([], messages)
def test_extract_simple_double_quotes(self):
buf = BytesIO(b'{% trans "Bunny" %}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'Bunny', [])], messages)
def test_extract_simple_single_quotes(self):
buf = BytesIO(b"{% trans 'Bunny' %}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'Bunny', [])], messages)
def test_extract_simple_with_context_single_quotes(self):
buf = BytesIO(b"{% trans 'Bunny' context 'carrot' %}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, 'pgettext',
[u'carrot', u'Bunny'], [])], messages)
def test_extract_simple_with_context_double_quotes(self):
buf = BytesIO(b"{% trans 'Bunny' context \"carrot\" %}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, 'pgettext',
[u'carrot', u'Bunny'], [])], messages)
def test_extract_simple_with_context_with_single_quotes(self):
buf = BytesIO(b"{% trans 'Bunny' context \"'carrot'\" %}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, 'pgettext',
[u'\'carrot\'', u'Bunny'], [])], messages)
def test_extract_simple_with_context_with_double_quotes(self):
buf = BytesIO(b"{% trans 'Bunny' context '\"carrot\"' %}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, 'pgettext',
[u'"carrot"', u'Bunny'], [])], messages)
def test_extract_var(self):
buf = BytesIO(b'{% blocktrans %}{{ anton }}{% endblocktrans %}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'%(anton)s', [])], messages)
def test_extract_filter_with_filter(self):
test_tmpl = (
b'{% blocktrans with berta=anton|lower %}'
b'{{ berta }}{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'%(berta)s', [])], messages)
def test_extract_with_interpolation(self):
buf = BytesIO(b'{% blocktrans %}xxx{{ anton }}xxx{% endblocktrans %}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'xxx%(anton)sxxx', [])], messages)
def test_extract_unicode(self):
buf = BytesIO(u'{% trans "@ſðæ314“ſſ¶ÐĐÞ→SÆ^ĸŁ" %}'.encode('utf8'))
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'@ſðæ314“ſſ¶ÐĐÞ→SÆ^ĸŁ', [])], messages)
def test_extract_unicode_blocktrans(self):
test_tmpl = u'{% blocktrans %}@ſðæ314“ſſ¶ÐĐÞ→SÆ^ĸŁ{% endblocktrans %}'
buf = BytesIO(test_tmpl.encode('utf8'))
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'@ſðæ314“ſſ¶ÐĐÞ→SÆ^ĸŁ', [])], messages)
# TODO: Yet expected to not extract the comments.
def test_extract_ignored_comment(self):
buf = BytesIO(
b'{# ignored comment #1 #}{% trans "Translatable literal #9a" %}',
)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, None, u'Translatable literal #9a', [])], messages
)
def test_extract_ignored_comment2(self):
test_tmpl = (
b'{# Translators: ignored i18n comment #1 #}'
b'{% trans "Translatable literal #9a" %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, None, u'Translatable literal #9a', [])], messages
)
def test_extract_valid_comment(self):
test_tmpl = (
b'{# ignored comment #6 #}'
b'{% trans "Translatable literal #9h" %}'
b'{# Translators: valid i18n comment #7 #}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, None, u'Translatable literal #9h', [])], messages
)
def test_extract_singular_form(self):
test_tmpl = (
b'{% blocktrans count counter=number %}'
b'singular{% plural %}{{ counter }} plural'
b'{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, 'ngettext', (u'singular', u'%(counter)s plural'), [])],
messages
)
def test_trans_blocks_must_not_include_other_block_tags(self):
buf = BytesIO(b'{% blocktrans %}{% other_tag %}{% endblocktrans %}')
gen = extract_django(buf, default_keys, [], {})
with pytest.raises(SyntaxError):
next(gen)
def test_extract_var_other(self):
buf = BytesIO(b'{{ book }}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([], messages)
def test_extract_filters_default_translatable(self):
buf = BytesIO(b'{{ book.author|default:_("Unknown") }}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'Unknown', [])], messages)
def test_extract_filters_default_translatable_single_quotes(self):
buf = BytesIO(b"{{ book.author|default:_('Unknown') }}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'Unknown', [])], messages)
def test_extract_constant_single_quotes(self):
buf = BytesIO(b"{{ _('constant') }}")
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'constant', [])], messages)
def test_extract_constant_double_quotes(self):
buf = BytesIO(b'{{ _("constant") }}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'constant', [])], messages)
def test_extract_constant_block(self):
buf = BytesIO(b'{% _("constant") %}')
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(1, None, u'constant', [])], messages)
def test_extract_constant_in_block(self):
test_tmpl = (
b'{% blocktrans foo=_("constant") %}{{ foo }}{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, None, u'constant', []), (1, None, u'%(foo)s', [])],
messages,
)
def test_extract_context_in_block(self):
test_tmpl = (
b'{% blocktrans context "banana" %}{{ foo }}{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, 'pgettext', [u'banana', u'%(foo)s'], [])],
messages,
)
def test_extract_context_in_plural_block(self):
test_tmpl = (
b'{% blocktrans context "banana" %}{{ foo }}'
b'{% plural %}{{ bar }}{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual(
[(1, 'npgettext', [u'banana', u'%(foo)s', u'%(bar)s'], [])],
messages,
)
def test_blocktrans_with_whitespace_not_trimmed(self):
test_tmpl = (
b'{% blocktrans %}\n\tfoo\n\tbar\n{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(4, None, u'\n\tfoo\n\tbar\n', [])], messages)
@pytest.mark.skipif(django.VERSION < (1, 7),
reason='Trimmed whitespace is a Django >= 1.7 feature')
def test_blocktrans_with_whitespace_trimmed(self):
test_tmpl = (
b'{% blocktrans trimmed %}\n\tfoo\n\tbar\n{% endblocktrans %}'
)
buf = BytesIO(test_tmpl)
messages = list(extract_django(buf, default_keys, [], {}))
self.assertEqual([(4, None, u'foo bar', [])], messages)
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