mirror of
https://gitlab.gnome.org/GNOME/glib.git
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472 lines
14 KiB
Python
472 lines
14 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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#
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# Copyright © 2018 Endless Mobile, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA
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"""Integration tests for glib-mkenums utility."""
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import collections
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import os
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import subprocess
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import tempfile
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import textwrap
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import unittest
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import taptestrunner
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Result = collections.namedtuple('Result', ('info', 'out', 'err', 'subs'))
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class TestMkenums(unittest.TestCase):
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"""Integration test for running glib-mkenums.
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This can be run when installed or uninstalled. When uninstalled, it
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requires G_TEST_BUILDDIR and G_TEST_SRCDIR to be set.
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The idea with this test harness is to test the glib-mkenums utility, its
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handling of command line arguments, its exit statuses, and its handling of
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various C source codes. In future we could split the core glib-mkenums
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parsing and generation code out into a library and unit test that, and
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convert this test to just check command line behaviour.
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"""
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rspfile = False
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def setUp(self):
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self.timeout_seconds = 10 # seconds per test
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self.tmpdir = tempfile.TemporaryDirectory()
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os.chdir(self.tmpdir.name)
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print('tmpdir:', self.tmpdir.name)
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if 'G_TEST_BUILDDIR' in os.environ:
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self.__mkenums = \
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os.path.join(os.environ['G_TEST_BUILDDIR'], '..',
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'glib-mkenums')
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else:
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self.__mkenums = os.path.join('/', 'usr', 'bin', 'glib-mkenums')
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print('rspfile: {}, mkenums:'.format(self.rspfile), self.__mkenums)
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def tearDown(self):
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self.tmpdir.cleanup()
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def _write_rspfile(self, argv):
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import shlex
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with tempfile.NamedTemporaryFile(dir=self.tmpdir.name, mode='w',
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delete=False) as f:
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contents = ' '.join([shlex.quote(arg) for arg in argv])
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print('Response file contains:', contents)
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f.write(contents)
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f.flush()
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return f.name
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def runMkenums(self, *args):
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if self.rspfile:
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rspfile = self._write_rspfile(args)
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args = ['@' + rspfile]
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argv = [self.__mkenums]
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argv.extend(args)
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print('Running:', argv)
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env = os.environ.copy()
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env['LC_ALL'] = 'C.UTF-8'
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print('Environment:', env)
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info = subprocess.run(argv, timeout=self.timeout_seconds,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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env=env)
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info.check_returncode()
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out = info.stdout.decode('utf-8').strip()
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err = info.stderr.decode('utf-8').strip()
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# Known substitutions for standard boilerplate
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subs = {
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'standard_top_comment':
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'This file is generated by glib-mkenums, do not modify '
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'it. This code is licensed under the same license as the '
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'containing project. Note that it links to GLib, so must '
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'comply with the LGPL linking clauses.',
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'standard_bottom_comment': 'Generated data ends here'
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}
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result = Result(info, out, err, subs)
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print('Output:', result.out)
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return result
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def runMkenumsWithTemplate(self, template_contents, *args):
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with tempfile.NamedTemporaryFile(dir=self.tmpdir.name,
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suffix='.template') as template_file:
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# Write out the template.
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template_file.write(template_contents.encode('utf-8'))
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print(template_file.name + ':', template_contents)
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template_file.flush()
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return self.runMkenums('--template', template_file.name, *args)
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def runMkenumsWithAllSubstitutions(self, *args):
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'''Run glib-mkenums with a template which outputs all substitutions.'''
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template_contents = '''
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/*** BEGIN file-header ***/
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file-header
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/*** END file-header ***/
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/*** BEGIN file-production ***/
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file-production
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filename: @filename@
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basename: @basename@
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/*** END file-production ***/
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/*** BEGIN enumeration-production ***/
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enumeration-production
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EnumName: @EnumName@
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enum_name: @enum_name@
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ENUMNAME: @ENUMNAME@
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ENUMSHORT: @ENUMSHORT@
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ENUMPREFIX: @ENUMPREFIX@
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type: @type@
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Type: @Type@
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TYPE: @TYPE@
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/*** END enumeration-production ***/
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/*** BEGIN value-header ***/
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value-header
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EnumName: @EnumName@
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enum_name: @enum_name@
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ENUMNAME: @ENUMNAME@
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ENUMSHORT: @ENUMSHORT@
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ENUMPREFIX: @ENUMPREFIX@
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type: @type@
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Type: @Type@
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TYPE: @TYPE@
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/*** END value-header ***/
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/*** BEGIN value-production ***/
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value-production
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VALUENAME: @VALUENAME@
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valuenick: @valuenick@
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valuenum: @valuenum@
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type: @type@
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Type: @Type@
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TYPE: @TYPE@
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/*** END value-production ***/
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/*** BEGIN value-tail ***/
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value-tail
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EnumName: @EnumName@
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enum_name: @enum_name@
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ENUMNAME: @ENUMNAME@
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ENUMSHORT: @ENUMSHORT@
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ENUMPREFIX: @ENUMPREFIX@
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type: @type@
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Type: @Type@
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TYPE: @TYPE@
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/*** END value-tail ***/
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/*** BEGIN comment ***/
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comment
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comment: @comment@
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/*** END comment ***/
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/*** BEGIN file-tail ***/
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file-tail
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/*** END file-tail ***/
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'''
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return self.runMkenumsWithTemplate(template_contents, *args)
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def runMkenumsWithHeader(self, h_contents, encoding='utf-8'):
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with tempfile.NamedTemporaryFile(dir=self.tmpdir.name,
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suffix='.h') as h_file:
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# Write out the header to be scanned.
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h_file.write(h_contents.encode(encoding))
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print(h_file.name + ':', h_contents)
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h_file.flush()
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# Run glib-mkenums with a template which outputs all substitutions.
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result = self.runMkenumsWithAllSubstitutions(h_file.name)
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# Known substitutions for generated filenames.
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result.subs.update({
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'filename': h_file.name,
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'basename': os.path.basename(h_file.name),
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})
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return result
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def assertSingleEnum(self, result, enum_name_camel, enum_name_lower,
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enum_name_upper, enum_name_short, enum_prefix,
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type_lower, type_camel, type_upper,
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value_name, value_nick, value_num):
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"""Assert that out (from runMkenumsWithHeader()) contains a single
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enum and value matching the given arguments."""
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subs = dict({
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'enum_name_camel': enum_name_camel,
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'enum_name_lower': enum_name_lower,
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'enum_name_upper': enum_name_upper,
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'enum_name_short': enum_name_short,
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'enum_prefix': enum_prefix,
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'type_lower': type_lower,
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'type_camel': type_camel,
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'type_upper': type_upper,
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'value_name': value_name,
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'value_nick': value_nick,
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'value_num': value_num,
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}, **result.subs)
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self.assertEqual('''
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comment
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comment: {standard_top_comment}
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file-header
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file-production
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filename: {filename}
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basename: {basename}
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enumeration-production
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EnumName: {enum_name_camel}
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enum_name: {enum_name_lower}
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ENUMNAME: {enum_name_upper}
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ENUMSHORT: {enum_name_short}
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ENUMPREFIX: {enum_prefix}
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type: {type_lower}
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Type: {type_camel}
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TYPE: {type_upper}
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value-header
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EnumName: {enum_name_camel}
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enum_name: {enum_name_lower}
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ENUMNAME: {enum_name_upper}
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ENUMSHORT: {enum_name_short}
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ENUMPREFIX: {enum_prefix}
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type: {type_lower}
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Type: {type_camel}
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TYPE: {type_upper}
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value-production
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VALUENAME: {value_name}
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valuenick: {value_nick}
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valuenum: {value_num}
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type: {type_lower}
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Type: {type_camel}
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TYPE: {type_upper}
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value-tail
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EnumName: {enum_name_camel}
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enum_name: {enum_name_lower}
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ENUMNAME: {enum_name_upper}
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ENUMSHORT: {enum_name_short}
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ENUMPREFIX: {enum_prefix}
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type: {type_lower}
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Type: {type_camel}
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TYPE: {type_upper}
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file-tail
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comment
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comment: {standard_bottom_comment}
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'''.format(**subs).strip(), result.out)
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def test_help(self):
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"""Test the --help argument."""
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result = self.runMkenums('--help')
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self.assertIn('usage: glib-mkenums', result.out)
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def test_no_args(self):
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"""Test running with no arguments at all."""
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result = self.runMkenums()
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self.assertEqual('', result.err)
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self.assertEqual('''/* {standard_top_comment} */
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/* {standard_bottom_comment} */'''.format(**result.subs),
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result.out.strip())
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def test_empty_template(self):
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"""Test running with an empty template and no header files."""
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result = self.runMkenumsWithTemplate('')
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self.assertEqual('', result.err)
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self.assertEqual('''/* {standard_top_comment} */
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/* {standard_bottom_comment} */'''.format(**result.subs),
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result.out.strip())
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def test_no_headers(self):
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"""Test running with a complete template, but no header files."""
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result = self.runMkenumsWithAllSubstitutions()
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self.assertEqual('', result.err)
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self.assertEqual('''
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comment
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comment: {standard_top_comment}
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file-header
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file-tail
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comment
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comment: {standard_bottom_comment}
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'''.format(**result.subs).strip(), result.out)
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def test_empty_header(self):
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"""Test an empty header."""
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result = self.runMkenumsWithHeader('')
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self.assertEqual('', result.err)
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self.assertEqual('''
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comment
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comment: {standard_top_comment}
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file-header
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file-tail
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comment
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comment: {standard_bottom_comment}
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'''.format(**result.subs).strip(), result.out)
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def test_enum_name(self):
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"""Test typedefs with an enum and a typedef name. Bug #794506."""
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h_contents = '''
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typedef enum _SomeEnumIdentifier {
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ENUM_VALUE
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} SomeEnumIdentifier;
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'''
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result = self.runMkenumsWithHeader(h_contents)
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self.assertEqual('', result.err)
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self.assertSingleEnum(result, 'SomeEnumIdentifier',
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'some_enum_identifier', 'SOME_ENUM_IDENTIFIER',
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'ENUM_IDENTIFIER', 'SOME', 'enum', 'Enum',
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'ENUM', 'ENUM_VALUE', 'value', '0')
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def test_non_utf8_encoding(self):
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"""Test source files with non-UTF-8 encoding. Bug #785113."""
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h_contents = '''
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/* Copyright © La Peña */
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typedef enum {
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ENUM_VALUE
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} SomeEnumIdentifier;
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'''
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result = self.runMkenumsWithHeader(h_contents, encoding='iso-8859-1')
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self.assertIn('WARNING: UnicodeWarning: ', result.err)
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self.assertSingleEnum(result, 'SomeEnumIdentifier',
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'some_enum_identifier', 'SOME_ENUM_IDENTIFIER',
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'ENUM_IDENTIFIER', 'SOME', 'enum', 'Enum',
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'ENUM', 'ENUM_VALUE', 'value', '0')
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def test_reproducible(self):
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"""Test builds are reproducible regardless of file ordering.
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Bug #691436."""
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template_contents = 'template'
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h_contents1 = '''
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typedef enum {
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FIRST,
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} Header1;
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'''
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h_contents2 = '''
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typedef enum {
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SECOND,
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} Header2;
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'''
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with tempfile.NamedTemporaryFile(dir=self.tmpdir.name,
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suffix='1.h') as h_file1, \
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tempfile.NamedTemporaryFile(dir=self.tmpdir.name,
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suffix='2.h') as h_file2:
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# Write out the headers.
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h_file1.write(h_contents1.encode('utf-8'))
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h_file2.write(h_contents2.encode('utf-8'))
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h_file1.flush()
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h_file2.flush()
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# Run glib-mkenums with the headers in one order, and then again
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# in another order.
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result1 = self.runMkenumsWithTemplate(template_contents,
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h_file1.name, h_file2.name)
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self.assertEqual('', result1.err)
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result2 = self.runMkenumsWithTemplate(template_contents,
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h_file2.name, h_file1.name)
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self.assertEqual('', result2.err)
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# The output should be the same.
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self.assertEqual(result1.out, result2.out)
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def test_no_nick(self):
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"""Test trigraphs with a desc but no nick. Issue #1360."""
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h_contents = '''
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typedef enum {
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GEGL_SAMPLER_NEAREST = 0, /*< desc="nearest" >*/
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} GeglSamplerType;
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'''
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result = self.runMkenumsWithHeader(h_contents)
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self.assertEqual('', result.err)
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self.assertSingleEnum(result, 'GeglSamplerType',
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'gegl_sampler_type', 'GEGL_SAMPLER_TYPE',
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'SAMPLER_TYPE', 'GEGL', 'enum', 'Enum',
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'ENUM', 'GEGL_SAMPLER_NEAREST', 'nearest', '0')
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def test_filename_basename_in_fhead_ftail(self):
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template_contents = '''
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/*** BEGIN file-header ***/
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file-header
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filename: @filename@
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basename: @basename@
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/*** END file-header ***/
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/*** BEGIN comment ***/
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comment
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comment: @comment@
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/*** END comment ***/
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/*** BEGIN file-tail ***/
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file-tail
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filename: @filename@
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basename: @basename@
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/*** END file-tail ***/'''
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result = self.runMkenumsWithTemplate(template_contents)
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self.assertEqual(
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textwrap.dedent(
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'''
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WARNING: @filename@ used in file-header section.
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WARNING: @basename@ used in file-header section.
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WARNING: @filename@ used in file-tail section.
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WARNING: @basename@ used in file-tail section.
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''').strip(),
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result.err)
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self.assertEqual('''
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comment
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comment: {standard_top_comment}
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file-header
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filename: @filename@
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basename: @basename@
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file-tail
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filename: @filename@
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basename: @basename@
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comment
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comment: {standard_bottom_comment}
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'''.format(**result.subs).strip(), result.out)
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class TestRspMkenums(TestMkenums):
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'''Run all tests again in @rspfile mode'''
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rspfile = True
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if __name__ == '__main__':
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unittest.main(testRunner=taptestrunner.TAPTestRunner())
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