From 0b8b2f15658fe797c61507d0e90a46ba18b2f4e8 Mon Sep 17 00:00:00 2001 From: Joshua Watt Date: Tue, 18 Dec 2018 21:10:26 -0600 Subject: 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 Signed-off-by: Richard Purdie --- bitbake/bin/bitbake-selftest | 1 + bitbake/lib/bb/tests/persist_data.py | 142 +++++++++++++++++++++++++++++++++++ 2 files changed, 143 insertions(+) create mode 100644 bitbake/lib/bb/tests/persist_data.py diff --git a/bitbake/bin/bitbake-selftest b/bitbake/bin/bitbake-selftest index cfa7ac5391..c970dcae90 100755 --- a/bitbake/bin/bitbake-selftest +++ b/bitbake/bin/bitbake-selftest @@ -33,6 +33,7 @@ tests = ["bb.tests.codeparser", "bb.tests.event", "bb.tests.fetch", "bb.tests.parse", + "bb.tests.persist_data", "bb.tests.utils", "layerindexlib.tests.layerindexobj", "layerindexlib.tests.restapi", 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 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# BitBake Test for lib/bb/persist_data/ +# +# Copyright (C) 2018 Garmin Ltd. +# +# 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 bb.data +import bb.persist_data +import tempfile +import threading + +class PersistDataTest(unittest.TestCase): + def _create_data(self): + return bb.persist_data.persist('TEST_PERSIST_DATA', self.d) + + def setUp(self): + self.d = bb.data.init() + self.tempdir = tempfile.TemporaryDirectory() + self.d['PERSISTENT_DIR'] = self.tempdir.name + self.data = self._create_data() + self.items = { + 'A1': '1', + 'B1': '2', + 'C2': '3' + } + self.stress_count = 10000 + self.thread_count = 5 + + for k,v in self.items.items(): + self.data[k] = v + + def tearDown(self): + self.tempdir.cleanup() + + def _iter_helper(self, seen, iterator): + with iter(iterator): + for v in iterator: + self.assertTrue(v in seen) + seen.remove(v) + self.assertEqual(len(seen), 0, '%s not seen' % seen) + + def test_get(self): + for k, v in self.items.items(): + self.assertEqual(self.data[k], v) + + self.assertIsNone(self.data.get('D')) + with self.assertRaises(KeyError): + self.data['D'] + + def test_set(self): + for k, v in self.items.items(): + self.data[k] += '-foo' + + for k, v in self.items.items(): + self.assertEqual(self.data[k], v + '-foo') + + def test_delete(self): + self.data['D'] = '4' + self.assertEqual(self.data['D'], '4') + del self.data['D'] + self.assertIsNone(self.data.get('D')) + with self.assertRaises(KeyError): + self.data['D'] + + def test_contains(self): + for k in self.items: + self.assertTrue(k in self.data) + self.assertTrue(self.data.has_key(k)) + self.assertFalse('NotFound' in self.data) + self.assertFalse(self.data.has_key('NotFound')) + + def test_len(self): + self.assertEqual(len(self.data), len(self.items)) + + def test_iter(self): + self._iter_helper(set(self.items.keys()), self.data) + + def test_itervalues(self): + self._iter_helper(set(self.items.values()), self.data.itervalues()) + + def test_iteritems(self): + self._iter_helper(set(self.items.items()), self.data.iteritems()) + + def test_get_by_pattern(self): + self._iter_helper({'1', '2'}, self.data.get_by_pattern('_1')) + + def _stress_read(self, data): + for i in range(self.stress_count): + for k in self.items: + data[k] + + def _stress_write(self, data): + for i in range(self.stress_count): + for k, v in self.items.items(): + data[k] = v + str(i) + + def _validate_stress(self): + for k, v in self.items.items(): + self.assertEqual(self.data[k], v + str(self.stress_count - 1)) + + def test_stress(self): + self._stress_read(self.data) + self._stress_write(self.data) + self._validate_stress() + + def test_stress_threads(self): + def read_thread(): + data = self._create_data() + self._stress_read(data) + + def write_thread(): + data = self._create_data() + self._stress_write(data) + + threads = [] + for i in range(self.thread_count): + threads.append(threading.Thread(target=read_thread)) + threads.append(threading.Thread(target=write_thread)) + + for t in threads: + t.start() + self._stress_read(self.data) + for t in threads: + t.join() + self._validate_stress() + -- cgit v1.2.3-54-g00ecf