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# vim:fileencoding=utf-8
# (c) 2011 Michał Górny <mgorny@gentoo.org>
# Released under the terms of the 2-clause BSD license.
import re
from .dbus_case import DBusEbuildTestCase
class VariableScopeTest(DBusEbuildTestCase):
""" A test for scoping of variables. """
ebuild_vars = {
'GLOBAL_TEST': 'foo',
'UNSET_GLOBAL': 'foo'
}
phase_funcs = {
'src_unpack': [
'unset LOCAL_TEST'
],
'src_compile': [
'GLOBAL_TEST=bar',
'unset UNSET_GLOBAL',
'DEFAULT_TEST=foo',
'export EXPORT_TEST=foo',
'local LOCAL_TEST=bar'
],
'src_install': [
'pms-test-dbus_append_result "$(declare -p %s)"' % var
for var in ('GLOBAL_TEST', 'UNSET_GLOBAL', 'DEFAULT_TEST',
'EXPORT_TEST', 'LOCAL_TEST')
]
}
declare_re = re.compile(r'^declare -([-x]) ([A-Z_]+)="([a-z]+)"$')
def check_dbus_result(self, output, pm):
class RegExpMatcher(object):
""" A matcher using a regular expression. """
def __init__(self, regexp, name):
self._re = re.compile(regexp)
self._re_str = regexp
self._name = name
def __eq__(self, other):
return bool(self._re.match(other))
def __repr__(self):
return 're(%s)' % repr(self._re_str.strip('^$'))
@property
def name(self):
return self._name
matches = [
# GLOBAL can retain its value or be reset
RegExpMatcher(r'^declare -[-x] GLOBAL_TEST="(foo|bar)"$',
'global variable'),
# UNSET_GLOBAL can remain unset or be reset
RegExpMatcher(r'^(|declare -[-x] GLOBAL_TEST="foo")$',
'unset global variable'),
# DEFAULT must retain its value
RegExpMatcher(r'^declare -[-x] DEFAULT_TEST="foo"$',
'simple variable'),
# EXPORT must retain its value and be exported
RegExpMatcher(r'^declare -x EXPORT_TEST="foo"$',
'exported variable'),
# LOCAL must be forgotten
RegExpMatcher(r'^$', 'local variable')
]
for var, regexp in zip(output, matches):
self.assertEqual(var, regexp, regexp.name)
return DBusEbuildTestCase.check_dbus_result(self, output, pm)
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