Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)
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159
Dependencies/Python/Lib/test/test_tools/test_msgfmt.py
vendored
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159
Dependencies/Python/Lib/test/test_tools/test_msgfmt.py
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"""Tests for the Tools/i18n/msgfmt.py tool."""
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import json
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import sys
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import unittest
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from gettext import GNUTranslations
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from pathlib import Path
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from test.support.os_helper import temp_cwd
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from test.support.script_helper import assert_python_failure, assert_python_ok
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from test.test_tools import skip_if_missing, toolsdir
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skip_if_missing('i18n')
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data_dir = (Path(__file__).parent / 'msgfmt_data').resolve()
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script_dir = Path(toolsdir) / 'i18n'
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msgfmt = script_dir / 'msgfmt.py'
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def compile_messages(po_file, mo_file):
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assert_python_ok(msgfmt, '-o', mo_file, po_file)
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class CompilationTest(unittest.TestCase):
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def test_compilation(self):
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self.maxDiff = None
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with temp_cwd():
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for po_file in data_dir.glob('*.po'):
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with self.subTest(po_file=po_file):
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mo_file = po_file.with_suffix('.mo')
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with open(mo_file, 'rb') as f:
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expected = GNUTranslations(f)
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tmp_mo_file = mo_file.name
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compile_messages(po_file, tmp_mo_file)
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with open(tmp_mo_file, 'rb') as f:
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actual = GNUTranslations(f)
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self.assertDictEqual(actual._catalog, expected._catalog)
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def test_translations(self):
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with open(data_dir / 'general.mo', 'rb') as f:
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t = GNUTranslations(f)
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self.assertEqual(t.gettext('foo'), 'foo')
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self.assertEqual(t.gettext('bar'), 'baz')
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self.assertEqual(t.pgettext('abc', 'foo'), 'bar')
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self.assertEqual(t.pgettext('xyz', 'foo'), 'bar')
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self.assertEqual(t.gettext('Multilinestring'), 'Multilinetranslation')
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self.assertEqual(t.gettext('"escapes"'), '"translated"')
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self.assertEqual(t.gettext('\n newlines \n'), '\n translated \n')
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self.assertEqual(t.ngettext('One email sent.', '%d emails sent.', 1),
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'One email sent.')
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self.assertEqual(t.ngettext('One email sent.', '%d emails sent.', 2),
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'%d emails sent.')
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self.assertEqual(t.npgettext('abc', 'One email sent.',
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'%d emails sent.', 1),
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'One email sent.')
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self.assertEqual(t.npgettext('abc', 'One email sent.',
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'%d emails sent.', 2),
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'%d emails sent.')
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def test_invalid_msgid_plural(self):
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with temp_cwd():
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Path('invalid.po').write_text('''\
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msgid_plural "plural"
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msgstr[0] "singular"
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''')
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res = assert_python_failure(msgfmt, 'invalid.po')
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err = res.err.decode('utf-8')
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self.assertIn('msgid_plural not preceded by msgid', err)
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def test_plural_without_msgid_plural(self):
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with temp_cwd():
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Path('invalid.po').write_text('''\
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msgid "foo"
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msgstr[0] "bar"
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''')
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res = assert_python_failure(msgfmt, 'invalid.po')
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err = res.err.decode('utf-8')
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self.assertIn('plural without msgid_plural', err)
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def test_indexed_msgstr_without_msgid_plural(self):
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with temp_cwd():
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Path('invalid.po').write_text('''\
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msgid "foo"
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msgid_plural "foos"
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msgstr "bar"
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''')
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res = assert_python_failure(msgfmt, 'invalid.po')
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err = res.err.decode('utf-8')
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self.assertIn('indexed msgstr required for plural', err)
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def test_generic_syntax_error(self):
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with temp_cwd():
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Path('invalid.po').write_text('''\
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"foo"
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''')
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res = assert_python_failure(msgfmt, 'invalid.po')
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err = res.err.decode('utf-8')
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self.assertIn('Syntax error', err)
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class CLITest(unittest.TestCase):
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def test_help(self):
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for option in ('--help', '-h'):
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res = assert_python_ok(msgfmt, option)
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err = res.err.decode('utf-8')
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self.assertIn('Generate binary message catalog from textual translation description.', err)
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def test_version(self):
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for option in ('--version', '-V'):
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res = assert_python_ok(msgfmt, option)
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out = res.out.decode('utf-8').strip()
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self.assertEqual('msgfmt.py 1.2', out)
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def test_invalid_option(self):
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res = assert_python_failure(msgfmt, '--invalid-option')
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err = res.err.decode('utf-8')
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self.assertIn('Generate binary message catalog from textual translation description.', err)
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self.assertIn('option --invalid-option not recognized', err)
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def test_no_input_file(self):
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res = assert_python_ok(msgfmt)
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err = res.err.decode('utf-8').replace('\r\n', '\n')
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self.assertIn('No input file given\n'
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"Try `msgfmt --help' for more information.", err)
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def test_nonexistent_file(self):
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assert_python_failure(msgfmt, 'nonexistent.po')
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def update_catalog_snapshots():
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for po_file in data_dir.glob('*.po'):
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mo_file = po_file.with_suffix('.mo')
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compile_messages(po_file, mo_file)
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# Create a human-readable JSON file which is
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# easier to review than the binary .mo file.
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with open(mo_file, 'rb') as f:
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translations = GNUTranslations(f)
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catalog_file = po_file.with_suffix('.json')
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with open(catalog_file, 'w') as f:
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data = translations._catalog.items()
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data = sorted(data, key=lambda x: (isinstance(x[0], tuple), x[0]))
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json.dump(data, f, indent=4)
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f.write('\n')
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if __name__ == '__main__':
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if len(sys.argv) > 1 and sys.argv[1] == '--snapshot-update':
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update_catalog_snapshots()
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sys.exit(0)
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unittest.main()
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