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Diffstat (limited to 'poky/bitbake/lib/bb/tests/cow.py')
| -rw-r--r-- | poky/bitbake/lib/bb/tests/cow.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/poky/bitbake/lib/bb/tests/cow.py b/poky/bitbake/lib/bb/tests/cow.py new file mode 100644 index 000000000..d149d84d0 --- /dev/null +++ b/poky/bitbake/lib/bb/tests/cow.py @@ -0,0 +1,136 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# BitBake Tests for Copy-on-Write (cow.py) +# +# Copyright 2006 Holger Freyther <freyther@handhelds.org> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# + +import unittest +import os + +class COWTestCase(unittest.TestCase): + """ + Test case for the COW module from mithro + """ + + def testGetSet(self): + """ + Test and set + """ + from bb.COW import COWDictBase + a = COWDictBase.copy() + + self.assertEqual(False, 'a' in a) + + a['a'] = 'a' + a['b'] = 'b' + self.assertEqual(True, 'a' in a) + self.assertEqual(True, 'b' in a) + self.assertEqual('a', a['a'] ) + self.assertEqual('b', a['b'] ) + + def testCopyCopy(self): + """ + Test the copy of copies + """ + + from bb.COW import COWDictBase + + # create two COW dict 'instances' + b = COWDictBase.copy() + c = COWDictBase.copy() + + # assign some keys to one instance, some keys to another + b['a'] = 10 + b['c'] = 20 + c['a'] = 30 + + # test separation of the two instances + self.assertEqual(False, 'c' in c) + self.assertEqual(30, c['a']) + self.assertEqual(10, b['a']) + + # test copy + b_2 = b.copy() + c_2 = c.copy() + + self.assertEqual(False, 'c' in c_2) + self.assertEqual(10, b_2['a']) + + b_2['d'] = 40 + self.assertEqual(False, 'd' in c_2) + self.assertEqual(True, 'd' in b_2) + self.assertEqual(40, b_2['d']) + self.assertEqual(False, 'd' in b) + self.assertEqual(False, 'd' in c) + + c_2['d'] = 30 + self.assertEqual(True, 'd' in c_2) + self.assertEqual(True, 'd' in b_2) + self.assertEqual(30, c_2['d']) + self.assertEqual(40, b_2['d']) + self.assertEqual(False, 'd' in b) + self.assertEqual(False, 'd' in c) + + # test copy of the copy + c_3 = c_2.copy() + b_3 = b_2.copy() + b_3_2 = b_2.copy() + + c_3['e'] = 4711 + self.assertEqual(4711, c_3['e']) + self.assertEqual(False, 'e' in c_2) + self.assertEqual(False, 'e' in b_3) + self.assertEqual(False, 'e' in b_3_2) + self.assertEqual(False, 'e' in b_2) + + b_3['e'] = 'viel' + self.assertEqual('viel', b_3['e']) + self.assertEqual(4711, c_3['e']) + self.assertEqual(False, 'e' in c_2) + self.assertEqual(True, 'e' in b_3) + self.assertEqual(False, 'e' in b_3_2) + self.assertEqual(False, 'e' in b_2) + + def testCow(self): + from bb.COW import COWDictBase + c = COWDictBase.copy() + c['123'] = 1027 + c['other'] = 4711 + c['d'] = { 'abc' : 10, 'bcd' : 20 } + + copy = c.copy() + + self.assertEqual(1027, c['123']) + self.assertEqual(4711, c['other']) + self.assertEqual({'abc':10, 'bcd':20}, c['d']) + self.assertEqual(1027, copy['123']) + self.assertEqual(4711, copy['other']) + self.assertEqual({'abc':10, 'bcd':20}, copy['d']) + + # cow it now + copy['123'] = 1028 + copy['other'] = 4712 + copy['d']['abc'] = 20 + + + self.assertEqual(1027, c['123']) + self.assertEqual(4711, c['other']) + self.assertEqual({'abc':10, 'bcd':20}, c['d']) + self.assertEqual(1028, copy['123']) + self.assertEqual(4712, copy['other']) + self.assertEqual({'abc':20, 'bcd':20}, copy['d']) |