Fix directory layout for tools/memory_inspector tests.

tools/memory_inspector/tests/core_test.py

-#!/usr/bin/python
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Unittests for the core backends modules."""
-
-import logging
-import os
-import sys
-import unittest
-
-sys.path.append(os.path.abspath(os.path.join(__file__, os.pardir, os.pardir)))
-
-from memory_inspector.core import backends
-from memory_inspector.core import memory_map
-from memory_inspector.core import stacktrace
-
-
-class MockDevice(backends.Device):  # pylint: disable=W0223
-  def __init__(self, backend, device_id):
-    super(MockDevice, self).__init__(backend)
-    self.device_id = device_id
-
-  @property
-  def name(self):
-    return "Mock Device %s" % self.device_id
-
-  @property
-  def id(self):
-    return self.device_id
-
-
-class MockBackend(backends.Backend):
-  _SETTINGS = {'key_1': 'key descritpion 1'}
-  def __init__(self, backend_name):
-    super(MockBackend, self).__init__(MockBackend._SETTINGS)
-    self.backend_name = backend_name
-
-  def EnumerateDevices(self):
-    yield MockDevice(self, 'device-1')
-    yield MockDevice(self, 'device-2')
-
-  @property
-  def name(self):
-    return self.backend_name
-
-
-class BackendRegisterTest(unittest.TestCase):
-  def runTest(self):
-    mock_backend_1 = MockBackend('mock-backend-1')
-    mock_backend_2 = MockBackend('mock-backend-2')
-    self.assertEqual(mock_backend_1.settings['key_1'], 'key descritpion 1')
-    backends.Register(mock_backend_1)
-    backends.Register(mock_backend_2)
-    devices = list(backends.ListDevices())
-    self.assertEqual(len(devices), 4)
-    self.assertIsNotNone(backends.GetDevice('mock-backend-1', 'device-1'))
-    self.assertIsNotNone(backends.GetDevice('mock-backend-1', 'device-2'))
-    self.assertIsNotNone(backends.GetDevice('mock-backend-2', 'device-1'))
-    self.assertIsNotNone(backends.GetDevice('mock-backend-2', 'device-1'))
-    self.assertTrue('key_1' in mock_backend_1.settings)
-
-
-class MemoryMapTest(unittest.TestCase):
-  def runTest(self):
-    mmap = memory_map.Map()
-    map_entry1 = memory_map.MapEntry(4096, 8191, 'rw--', '/foo', 0)
-    map_entry2 = memory_map.MapEntry(65536, 81919, 'rw--', '/bar', 4096)
-
-    # Test the de-offset logic.
-    self.assertEqual(map_entry1.GetRelativeOffset(4096), 0)
-    self.assertEqual(map_entry1.GetRelativeOffset(4100), 4)
-    self.assertEqual(map_entry2.GetRelativeOffset(65536), 4096)
-
-    # Test the page-resident logic.
-    map_entry2.resident_pages = [5] # 5 -> 101b.
-    self.assertTrue(map_entry2.IsPageResident(0))
-    self.assertFalse(map_entry2.IsPageResident(1))
-    self.assertTrue(map_entry2.IsPageResident(2))
-
-    # Test the lookup logic.
-    mmap.Add(map_entry1)
-    mmap.Add(map_entry2)
-    self.assertIsNone(mmap.Lookup(1024))
-    self.assertEqual(mmap.Lookup(4096), map_entry1)
-    self.assertEqual(mmap.Lookup(6000), map_entry1)
-    self.assertEqual(mmap.Lookup(8191), map_entry1)
-    self.assertIsNone(mmap.Lookup(8192))
-    self.assertIsNone(mmap.Lookup(65535))
-    self.assertEqual(mmap.Lookup(65536), map_entry2)
-    self.assertEqual(mmap.Lookup(67000), map_entry2)
-    self.assertEqual(mmap.Lookup(81919), map_entry2)
-    self.assertIsNone(mmap.Lookup(81920))
-
-
-class StacktraceTest(unittest.TestCase):
-  def runTest(self):
-    st = stacktrace.Stacktrace()
-    frame_1 = stacktrace.Frame(20)
-    frame_2 = stacktrace.Frame(24)
-    frame_2.SetExecFileInfo('/foo/bar.so', 0)
-    self.assertEqual(frame_2.exec_file_name, 'bar.so')
-    st.Add(frame_1)
-    st.Add(frame_1)
-    st.Add(frame_2)
-    st.Add(frame_1)
-    self.assertEqual(st.depth, 4)
-
-
-if __name__ == '__main__':
-  logging.basicConfig(
-      level=logging.DEBUG if '-v' in sys.argv else logging.ERROR,
-      format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
-  unittest.main()