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62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
import os
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import re
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import shutil
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import tempfile
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source_code_dir = os.path.dirname(__file__)
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def copytree(src, dst):
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shutil.copytree(src, dst, ignore=shutil.ignore_patterns('__pycache__'))
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class POFileAssertionMixin:
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def _assertPoKeyword(self, keyword, expected_value, haystack, use_quotes=True):
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q = '"'
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if use_quotes:
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expected_value = '"%s"' % expected_value
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q = "'"
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needle = '%s %s' % (keyword, expected_value)
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expected_value = re.escape(expected_value)
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return self.assertTrue(
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re.search('^%s %s' % (keyword, expected_value), haystack, re.MULTILINE),
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'Could not find %(q)s%(n)s%(q)s in generated PO file' % {'n': needle, 'q': q}
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)
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def assertMsgId(self, msgid, haystack, use_quotes=True):
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return self._assertPoKeyword('msgid', msgid, haystack, use_quotes=use_quotes)
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class RunInTmpDirMixin:
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"""
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Allow i18n tests that need to generate .po/.mo files to run in an isolated
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temporary filesystem tree created by tempfile.mkdtemp() that contains a
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clean copy of the relevant test code.
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Test classes using this mixin need to define a `work_subdir` attribute
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which designates the subdir under `tests/i18n/` that will be copied to the
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temporary tree from which its test cases will run.
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The setUp() method sets the current working dir to the temporary tree.
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It'll be removed when cleaning up.
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"""
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def setUp(self):
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self._cwd = os.getcwd()
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self.work_dir = tempfile.mkdtemp(prefix='i18n_')
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# Resolve symlinks, if any, in test directory paths.
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self.test_dir = os.path.realpath(os.path.join(self.work_dir, self.work_subdir))
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copytree(os.path.join(source_code_dir, self.work_subdir), self.test_dir)
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# Step out of the temporary working tree before removing it to avoid
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# deletion problems on Windows. Cleanup actions registered with
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# addCleanup() are called in reverse so preserve this ordering.
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self.addCleanup(self._rmrf, self.test_dir)
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self.addCleanup(os.chdir, self._cwd)
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os.chdir(self.test_dir)
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def _rmrf(self, dname):
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if os.path.commonprefix([self.test_dir, os.path.abspath(dname)]) != self.test_dir:
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return
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shutil.rmtree(dname)
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