103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2010-2014 Bastian Kleineidam
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import patoolib
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import pytest
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import importlib
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basedir = os.path.dirname(__file__)
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datadir = os.path.join(basedir, 'data')
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patool_cmd = os.path.join(os.path.dirname(basedir), "patool")
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# Python 3.x renamed the function name attribute
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if sys.version_info[0] > 2:
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fnameattr = '__name__'
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else:
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fnameattr = 'func_name'
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def _need_func(testfunc, name, description):
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"""Decorator skipping test if given testfunc returns False."""
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def check_func(func):
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def newfunc(*args, **kwargs):
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if not testfunc(name):
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raise pytest.skip("%s %r is not available" % (description, name))
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return func(*args, **kwargs)
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setattr(newfunc, fnameattr, getattr(func, fnameattr))
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return newfunc
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return check_func
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def needs_os(name):
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"""Decorator skipping test if given operating system is not available."""
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return _need_func(lambda x: os.name == x, name, 'operating system')
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def needs_program(name):
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"""Decorator skipping test if given program is not available."""
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return _need_func(lambda x: patoolib.util.find_program(x), name, 'program')
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def needs_one_program(programs):
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"""Decorator skipping test if not one of given programs are available."""
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return _need_func(lambda x: all(map(patoolib.util.find_program, x)), programs, 'programs')
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def needs_module(name):
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"""Decorator skipping test if given module is not available."""
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def has_module(module):
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try:
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importlib.import_module(module)
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return True
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except ImportError:
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return False
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return _need_func(has_module, name, 'Python module')
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def needs_codec (program, codec):
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"""Decorator skipping test if given program codec is not available."""
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def check_prog (f):
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def newfunc (*args, **kwargs):
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if not patoolib.util.find_program(program):
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raise pytest.skip("program `%s' not available" % program)
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if not has_codec(program, codec):
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raise pytest.skip("codec `%s' for program `%s' not available" % (codec, program))
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return f(*args, **kwargs)
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setattr(newfunc, fnameattr, getattr(f, fnameattr))
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return newfunc
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return check_prog
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def has_codec (program, codec):
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"""Test if program supports given codec."""
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if program == '7z' and codec == 'rar':
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return patoolib.util.p7zip_supports_rar()
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if patoolib.program_supports_compression(program, codec):
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return True
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return patoolib.util.find_program(codec)
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def skip_on_travis():
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"""Skip test if TRAVIS build environment is detected."""
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def check_func(func):
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def newfunc(*args, **kwargs):
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if "TRAVIS" in os.environ:
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raise pytest.skip("Skip on TRAVIS CI build.")
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return func(*args, **kwargs)
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setattr(newfunc, fnameattr, getattr(func, fnameattr))
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return newfunc
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return check_func
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