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#!/usr/bin/env vpython3
# Copyright 2021 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.
"""Tests scenarios with number of devices and invalid devices"""
import subprocess
import unittest
import unittest.mock as mock
from argparse import Namespace
from device_target import DeviceTarget
from target import Target
class TestDiscoverDeviceTarget(unittest.TestCase):
def setUp(self):
self.args = Namespace(out_dir='out/fuchsia',
target_cpu='x64',
host=None,
node_name=None,
port=None,
ssh_config=None,
fuchsia_out_dir=None,
os_check='update',
system_log_file=None)
def testNoNodeNameOneDeviceReturnNoneCheckNameAndAddress(self):
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch.object(DeviceTarget, 'RunFFXCommand') as mock_ffx:
mock_spec_popen = mock.create_autospec(subprocess.Popen, instance=True)
mock_spec_popen.communicate.return_value = ('address device_name', '')
mock_spec_popen.returncode = 0
mock_ffx.return_value = mock_spec_popen
with mock.patch.object(Target,
'_WaitUntilReady') as mock_waituntilready:
mock_waituntilready.return_value = True
self.assertIsNone(device_target_instance.Start())
self.assertEqual(device_target_instance._node_name, 'device_name')
self.assertEqual(device_target_instance._host, 'address')
def testNoNodeNameTwoDevicesRaiseExceptionAmbiguousTarget(self):
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch.object(DeviceTarget, 'RunFFXCommand') as mock_ffx:
mock_spec_popen = mock.create_autospec(subprocess.Popen, instance=True)
mock_spec_popen.communicate.return_value = ('address1 device_name1\n'
'address2 device_name2', '')
mock_spec_popen.returncode = 0
mock_spec_popen.stdout = ''
mock_ffx.return_value = mock_spec_popen
with self.assertRaisesRegex(Exception,
'Ambiguous target device specification.'):
device_target_instance.Start()
self.assertIsNone(device_target_instance._node_name)
self.assertIsNone(device_target_instance._host)
def testNoNodeNameDeviceDoesntHaveNameRaiseExceptionCouldNotFind(self):
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch.object(DeviceTarget, 'RunFFXCommand') as mock_ffx:
mock_spec_popen = mock.create_autospec(subprocess.Popen, instance=True)
mock_spec_popen.communicate.return_value = ('address', '')
mock_spec_popen.returncode = 0
mock_ffx.return_value = mock_spec_popen
with self.assertRaisesRegex(Exception, 'Could not find device'):
device_target_instance.Start()
self.assertIsNone(device_target_instance._node_name)
self.assertIsNone(device_target_instance._host)
def testNodeNameDefinedDeviceFoundReturnNoneCheckNameAndHost(self):
self.args.node_name = 'device_name'
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch('subprocess.Popen') as mock_popen:
mock_popen.returncode = ('address', 'device_name')
with mock.patch.object(Target,
'_WaitUntilReady') as mock_waituntilready:
mock_waituntilready.return_value = True
self.assertIsNone(device_target_instance.Start())
self.assertEqual(device_target_instance._node_name, 'device_name')
self.assertEqual(device_target_instance._host, 'address')
def testNodeNameDefinedDeviceNotFoundRaiseExceptionCouldNotFind(self):
self.args.node_name = 'wrong_device_name'
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch('subprocess.Popen') as mock_popen:
mock_popen.returncode = ('', '')
with self.assertRaisesRegex(Exception, 'Could not find device'):
device_target_instance.Start()
self.assertIsNone(device_target_instance._node_name)
self.assertIsNone(device_target_instance._host)
def testNoDevicesFoundRaiseExceptionCouldNotFind(self):
with (DeviceTarget.CreateFromArgs(self.args)) as device_target_instance:
with mock.patch.object(DeviceTarget, 'RunFFXCommand') as mock_ffx:
mock_spec_popen = mock.create_autospec(subprocess.Popen, instance=True)
mock_spec_popen.communicate.return_value = ('', '')
mock_spec_popen.returncode = 0
mock_ffx.return_value = mock_spec_popen
with self.assertRaisesRegex(Exception, 'Could not find device'):
device_target_instance.Start()
self.assertIsNone(device_target_instance._node_name)
self.assertIsNone(device_target_instance._host)
if __name__ == '__main__':
unittest.main()
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