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authorJoshua Watt <jpewhacker@gmail.com>2018-12-18 21:10:26 -0600
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-12-26 11:10:33 +0000
commit0b8b2f15658fe797c61507d0e90a46ba18b2f4e8 (patch)
tree0d17bbed8f461c668b0c64437dac3856612cde93 /bitbake/lib/bb
parent801745d918e83f976c706f29669779f5b292ade3 (diff)
downloadpoky-0b8b2f15658fe797c61507d0e90a46ba18b2f4e8.tar.gz
bitbake: tests/persist_data: Add tests
Adds a test suite for testing the persistent data cache [YOCTO #13030] (Bitbake rev: 96a4155049e834af17069d981cc2215e50d18c1a) Signed-off-by: Joshua Watt <JPEWhacker@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'bitbake/lib/bb')
-rw-r--r--bitbake/lib/bb/tests/persist_data.py142
1 files changed, 142 insertions, 0 deletions
diff --git a/bitbake/lib/bb/tests/persist_data.py b/bitbake/lib/bb/tests/persist_data.py
new file mode 100644
index 0000000000..812bcbd7b8
--- /dev/null
+++ b/bitbake/lib/bb/tests/persist_data.py
@@ -0,0 +1,142 @@
1# ex:ts=4:sw=4:sts=4:et
2# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
3#
4# BitBake Test for lib/bb/persist_data/
5#
6# Copyright (C) 2018 Garmin Ltd.
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
22import unittest
23import bb.data
24import bb.persist_data
25import tempfile
26import threading
27
28class PersistDataTest(unittest.TestCase):
29 def _create_data(self):
30 return bb.persist_data.persist('TEST_PERSIST_DATA', self.d)
31
32 def setUp(self):
33 self.d = bb.data.init()
34 self.tempdir = tempfile.TemporaryDirectory()
35 self.d['PERSISTENT_DIR'] = self.tempdir.name
36 self.data = self._create_data()
37 self.items = {
38 'A1': '1',
39 'B1': '2',
40 'C2': '3'
41 }
42 self.stress_count = 10000
43 self.thread_count = 5
44
45 for k,v in self.items.items():
46 self.data[k] = v
47
48 def tearDown(self):
49 self.tempdir.cleanup()
50
51 def _iter_helper(self, seen, iterator):
52 with iter(iterator):
53 for v in iterator:
54 self.assertTrue(v in seen)
55 seen.remove(v)
56 self.assertEqual(len(seen), 0, '%s not seen' % seen)
57
58 def test_get(self):
59 for k, v in self.items.items():
60 self.assertEqual(self.data[k], v)
61
62 self.assertIsNone(self.data.get('D'))
63 with self.assertRaises(KeyError):
64 self.data['D']
65
66 def test_set(self):
67 for k, v in self.items.items():
68 self.data[k] += '-foo'
69
70 for k, v in self.items.items():
71 self.assertEqual(self.data[k], v + '-foo')
72
73 def test_delete(self):
74 self.data['D'] = '4'
75 self.assertEqual(self.data['D'], '4')
76 del self.data['D']
77 self.assertIsNone(self.data.get('D'))
78 with self.assertRaises(KeyError):
79 self.data['D']
80
81 def test_contains(self):
82 for k in self.items:
83 self.assertTrue(k in self.data)
84 self.assertTrue(self.data.has_key(k))
85 self.assertFalse('NotFound' in self.data)
86 self.assertFalse(self.data.has_key('NotFound'))
87
88 def test_len(self):
89 self.assertEqual(len(self.data), len(self.items))
90
91 def test_iter(self):
92 self._iter_helper(set(self.items.keys()), self.data)
93
94 def test_itervalues(self):
95 self._iter_helper(set(self.items.values()), self.data.itervalues())
96
97 def test_iteritems(self):
98 self._iter_helper(set(self.items.items()), self.data.iteritems())
99
100 def test_get_by_pattern(self):
101 self._iter_helper({'1', '2'}, self.data.get_by_pattern('_1'))
102
103 def _stress_read(self, data):
104 for i in range(self.stress_count):
105 for k in self.items:
106 data[k]
107
108 def _stress_write(self, data):
109 for i in range(self.stress_count):
110 for k, v in self.items.items():
111 data[k] = v + str(i)
112
113 def _validate_stress(self):
114 for k, v in self.items.items():
115 self.assertEqual(self.data[k], v + str(self.stress_count - 1))
116
117 def test_stress(self):
118 self._stress_read(self.data)
119 self._stress_write(self.data)
120 self._validate_stress()
121
122 def test_stress_threads(self):
123 def read_thread():
124 data = self._create_data()
125 self._stress_read(data)
126
127 def write_thread():
128 data = self._create_data()
129 self._stress_write(data)
130
131 threads = []
132 for i in range(self.thread_count):
133 threads.append(threading.Thread(target=read_thread))
134 threads.append(threading.Thread(target=write_thread))
135
136 for t in threads:
137 t.start()
138 self._stress_read(self.data)
139 for t in threads:
140 t.join()
141 self._validate_stress()
142