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Diffstat (limited to 'bitbake/lib/bb/tests/cow.py')
-rw-r--r-- | bitbake/lib/bb/tests/cow.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/bitbake/lib/bb/tests/cow.py b/bitbake/lib/bb/tests/cow.py new file mode 100644 index 0000000000..35c5841f32 --- /dev/null +++ b/bitbake/lib/bb/tests/cow.py | |||
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1 | # ex:ts=4:sw=4:sts=4:et | ||
2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- | ||
3 | # | ||
4 | # BitBake Tests for Copy-on-Write (cow.py) | ||
5 | # | ||
6 | # Copyright 2006 Holger Freyther <freyther@handhelds.org> | ||
7 | # | ||
8 | # This program is free software; you can redistribute it and/or modify | ||
9 | # it under the terms of the GNU General Public License version 2 as | ||
10 | # published by the Free Software Foundation. | ||
11 | # | ||
12 | # This program is distributed in the hope that it will be useful, | ||
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | # GNU General Public License for more details. | ||
16 | # | ||
17 | # You should have received a copy of the GNU General Public License along | ||
18 | # with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
20 | # | ||
21 | |||
22 | import unittest | ||
23 | import os | ||
24 | |||
25 | class COWTestCase(unittest.TestCase): | ||
26 | """ | ||
27 | Test case for the COW module from mithro | ||
28 | """ | ||
29 | |||
30 | def testGetSet(self): | ||
31 | """ | ||
32 | Test and set | ||
33 | """ | ||
34 | from bb.COW import COWDictBase | ||
35 | a = COWDictBase.copy() | ||
36 | |||
37 | self.assertEquals(False, a.has_key('a')) | ||
38 | |||
39 | a['a'] = 'a' | ||
40 | a['b'] = 'b' | ||
41 | self.assertEquals(True, a.has_key('a')) | ||
42 | self.assertEquals(True, a.has_key('b')) | ||
43 | self.assertEquals('a', a['a'] ) | ||
44 | self.assertEquals('b', a['b'] ) | ||
45 | |||
46 | def testCopyCopy(self): | ||
47 | """ | ||
48 | Test the copy of copies | ||
49 | """ | ||
50 | |||
51 | from bb.COW import COWDictBase | ||
52 | |||
53 | # create two COW dict 'instances' | ||
54 | b = COWDictBase.copy() | ||
55 | c = COWDictBase.copy() | ||
56 | |||
57 | # assign some keys to one instance, some keys to another | ||
58 | b['a'] = 10 | ||
59 | b['c'] = 20 | ||
60 | c['a'] = 30 | ||
61 | |||
62 | # test separation of the two instances | ||
63 | self.assertEquals(False, c.has_key('c')) | ||
64 | self.assertEquals(30, c['a']) | ||
65 | self.assertEquals(10, b['a']) | ||
66 | |||
67 | # test copy | ||
68 | b_2 = b.copy() | ||
69 | c_2 = c.copy() | ||
70 | |||
71 | self.assertEquals(False, c_2.has_key('c')) | ||
72 | self.assertEquals(10, b_2['a']) | ||
73 | |||
74 | b_2['d'] = 40 | ||
75 | self.assertEquals(False, c_2.has_key('d')) | ||
76 | self.assertEquals(True, b_2.has_key('d')) | ||
77 | self.assertEquals(40, b_2['d']) | ||
78 | self.assertEquals(False, b.has_key('d')) | ||
79 | self.assertEquals(False, c.has_key('d')) | ||
80 | |||
81 | c_2['d'] = 30 | ||
82 | self.assertEquals(True, c_2.has_key('d')) | ||
83 | self.assertEquals(True, b_2.has_key('d')) | ||
84 | self.assertEquals(30, c_2['d']) | ||
85 | self.assertEquals(40, b_2['d']) | ||
86 | self.assertEquals(False, b.has_key('d')) | ||
87 | self.assertEquals(False, c.has_key('d')) | ||
88 | |||
89 | # test copy of the copy | ||
90 | c_3 = c_2.copy() | ||
91 | b_3 = b_2.copy() | ||
92 | b_3_2 = b_2.copy() | ||
93 | |||
94 | c_3['e'] = 4711 | ||
95 | self.assertEquals(4711, c_3['e']) | ||
96 | self.assertEquals(False, c_2.has_key('e')) | ||
97 | self.assertEquals(False, b_3.has_key('e')) | ||
98 | self.assertEquals(False, b_3_2.has_key('e')) | ||
99 | self.assertEquals(False, b_2.has_key('e')) | ||
100 | |||
101 | b_3['e'] = 'viel' | ||
102 | self.assertEquals('viel', b_3['e']) | ||
103 | self.assertEquals(4711, c_3['e']) | ||
104 | self.assertEquals(False, c_2.has_key('e')) | ||
105 | self.assertEquals(True, b_3.has_key('e')) | ||
106 | self.assertEquals(False, b_3_2.has_key('e')) | ||
107 | self.assertEquals(False, b_2.has_key('e')) | ||
108 | |||
109 | def testCow(self): | ||
110 | from bb.COW import COWDictBase | ||
111 | c = COWDictBase.copy() | ||
112 | c['123'] = 1027 | ||
113 | c['other'] = 4711 | ||
114 | c['d'] = { 'abc' : 10, 'bcd' : 20 } | ||
115 | |||
116 | copy = c.copy() | ||
117 | |||
118 | self.assertEquals(1027, c['123']) | ||
119 | self.assertEquals(4711, c['other']) | ||
120 | self.assertEquals({'abc':10, 'bcd':20}, c['d']) | ||
121 | self.assertEquals(1027, copy['123']) | ||
122 | self.assertEquals(4711, copy['other']) | ||
123 | self.assertEquals({'abc':10, 'bcd':20}, copy['d']) | ||
124 | |||
125 | # cow it now | ||
126 | copy['123'] = 1028 | ||
127 | copy['other'] = 4712 | ||
128 | copy['d']['abc'] = 20 | ||
129 | |||
130 | |||
131 | self.assertEquals(1027, c['123']) | ||
132 | self.assertEquals(4711, c['other']) | ||
133 | self.assertEquals({'abc':10, 'bcd':20}, c['d']) | ||
134 | self.assertEquals(1028, copy['123']) | ||
135 | self.assertEquals(4712, copy['other']) | ||
136 | self.assertEquals({'abc':20, 'bcd':20}, copy['d']) | ||