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# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This module tests the cros debug command."""
from __future__ import print_function
from chromite.cli import command_unittest
from chromite.cli.cros import cros_debug
from chromite.lib import cros_build_lib
from chromite.lib import cros_test_lib
from chromite.lib import remote_access
class MockDebugCommand(command_unittest.MockCommand):
"""Mock out the debug command."""
TARGET = 'chromite.cli.cros.cros_debug.DebugCommand'
TARGET_CLASS = cros_debug.DebugCommand
COMMAND = 'debug'
ATTRS = ('_ListProcesses', '_DebugNewProcess', '_DebugRunningProcess')
def __init__(self, *args, **kwargs):
command_unittest.MockCommand.__init__(self, *args, **kwargs)
def _ListProcesses(self, _inst, *_args, **_kwargs):
"""Mock out _ListProcesses."""
def _DebugNewProcess(self, _inst, *_args, **_kwargs):
"""Mock out _DebugNewProcess."""
def _DebugRunningProcess(self, _inst, *_args, **_kwargs):
"""Mock out _DebugRunningProcess."""
def Run(self, inst):
command_unittest.MockCommand.Run(self, inst)
class DebugRunThroughTest(cros_test_lib.MockTempDirTestCase):
"""Test the flow of DebugCommand.run with the debug methods mocked out."""
DEVICE = '1.1.1.1'
EXE = '/path/to/exe'
PID = '1'
def SetupCommandMock(self, cmd_args):
"""Set up command mock."""
self.cmd_mock = MockDebugCommand(
cmd_args, base_args=['--cache-dir', self.tempdir])
self.StartPatcher(self.cmd_mock)
def setUp(self):
"""Patches objects."""
self.cmd_mock = None
self.device_mock = self.PatchObject(remote_access,
'ChromiumOSDevice').return_value
def testMissingExeAndPid(self):
"""Test that command fails when --exe and --pid are not provided."""
self.SetupCommandMock([self.DEVICE])
self.assertRaises(cros_build_lib.DieSystemExit, self.cmd_mock.inst.Run)
def testListDisallowedWithPid(self):
"""Test that --list is disallowed when --pid is used."""
self.SetupCommandMock([self.DEVICE, '--list', '--pid', self.PID])
self.assertRaises(cros_build_lib.DieSystemExit, self.cmd_mock.inst.Run)
def testExeDisallowedWithPid(self):
"""Test that --exe is disallowed when --pid is used."""
self.SetupCommandMock([self.DEVICE, '--exe', self.EXE, '--pid', self.PID])
self.assertRaises(cros_build_lib.DieSystemExit, self.cmd_mock.inst.Run)
def testExeMustBeFullPath(self):
"""Test that --exe only takes full path as a valid argument."""
self.SetupCommandMock([self.DEVICE, '--exe', 'bash'])
self.assertRaises(cros_build_lib.DieSystemExit, self.cmd_mock.inst.Run)
def testDebugProcessWithPid(self):
"""Test that methods are called correctly when pid is provided."""
self.SetupCommandMock([self.DEVICE, '--pid', self.PID])
self.cmd_mock.inst.Run()
self.assertFalse(self.cmd_mock.patched['_ListProcesses'].called)
self.assertFalse(self.cmd_mock.patched['_DebugNewProcess'].called)
self.assertTrue(self.cmd_mock.patched['_DebugRunningProcess'].called)
def testListProcesses(self):
"""Test that methods are called correctly for listing processes."""
self.SetupCommandMock([self.DEVICE, '--exe', self.EXE, '--list'])
self.cmd_mock.inst.Run()
self.assertTrue(self.cmd_mock.patched['_ListProcesses'].called)
self.assertFalse(self.cmd_mock.patched['_DebugNewProcess'].called)
self.assertFalse(self.cmd_mock.patched['_DebugRunningProcess'].called)
def testNoRunningProcess(self):
"""Test that command starts a new process to debug if no process running."""
self.SetupCommandMock([self.DEVICE, '--exe', self.EXE])
self.PatchObject(self.device_mock, 'GetRunningPids', return_value=[])
self.cmd_mock.inst.Run()
self.assertTrue(self.cmd_mock.patched['_ListProcesses'].called)
self.assertTrue(self.cmd_mock.patched['_DebugNewProcess'].called)
self.assertFalse(self.cmd_mock.patched['_DebugRunningProcess'].called)
def testDebugNewProcess(self):
"""Test that user can select zero to start a new process to debug."""
self.SetupCommandMock([self.DEVICE, '--exe', self.EXE])
self.PatchObject(self.device_mock, 'GetRunningPids', return_value=['1'])
mock_prompt = self.PatchObject(cros_build_lib, 'GetChoice', return_value=0)
self.cmd_mock.inst.Run()
self.assertTrue(mock_prompt.called)
self.assertTrue(self.cmd_mock.patched['_ListProcesses'].called)
self.assertTrue(self.cmd_mock.patched['_DebugNewProcess'].called)
self.assertFalse(self.cmd_mock.patched['_DebugRunningProcess'].called)
def testDebugRunningProcess(self):
"""Test that user can select none-zero to debug a running process."""
self.SetupCommandMock([self.DEVICE, '--exe', self.EXE])
self.PatchObject(self.device_mock, 'GetRunningPids', return_value=['1'])
mock_prompt = self.PatchObject(cros_build_lib, 'GetChoice', return_value=1)
self.cmd_mock.inst.Run()
self.assertTrue(mock_prompt.called)
self.assertTrue(self.cmd_mock.patched['_ListProcesses'].called)
self.assertFalse(self.cmd_mock.patched['_DebugNewProcess'].called)
self.assertTrue(self.cmd_mock.patched['_DebugRunningProcess'].called)
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