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112 lines
4.3 KiB
112 lines
4.3 KiB
#!/usr/bin/env python2
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# Copyright 2016 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import unittest
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import mock
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import common
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from autotest_lib.site_utils import diagnosis_utils
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from autotest_lib.server import frontend
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class DiagnosisUtilsTest(unittest.TestCase):
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"""Tests for diagnosis_utils."""
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def setUp(self):
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"""Set up test."""
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self.afe_mock = mock.MagicMock()
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def _constructRPCHelper(self):
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"""Method to construct RPCHelper"""
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return diagnosis_utils.RPCHelper(self.afe_mock)
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def _mockZeroHost(self):
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"""Mock method to return zero host"""
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return ()
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def _mockTwoAvailableHosts(self):
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"""Mock method to return two available hosts"""
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host_a = _StubHost(status='Ready', locked=False)
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host_b = _StubHost(status='Ready', locked=False)
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return (host_a, host_b)
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def _mockTwoFailedHosts(self):
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"""Mock method to return two unavailable hosts"""
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host_a = _StubHost(status='Repair Failed', locked=False)
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host_b = _StubHost(status='Repairing', locked=False)
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return (host_a, host_b)
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def testCheckDutAvailable(self):
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"""Test check_dut_availability with different scenarios"""
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rpc_helper = self._constructRPCHelper()
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labels = ('board:test_board', 'pool:test_pool', 'model:test_model')
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# Mock aef.get_hosts to return 0 host
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self.afe_mock.get_hosts.return_value = self._mockZeroHost()
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skip_duts_check = False
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# When minimum_duts is 0, do not force available DUTs
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minimum_duts = 0
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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# When skip_duts_check = False and minimum_duts > 0 and there's no host,
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# should raise DUTsNotAvailableError
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minimum_duts = 1
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with self.assertRaises(diagnosis_utils.DUTsNotAvailableError):
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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# Mock aef.get_hosts to return 2 available hosts
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self.afe_mock.get_hosts.return_value = self._mockTwoAvailableHosts()
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# Set skip_duts_check to True, should not force checking avialble DUTs
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# although available DUTs are less then minimum_duts
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minimum_duts = 4
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skip_duts_check = True
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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# Set skip_duts_check to False and current available DUTs are less
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# then minimum_duts, should raise NotEnoughDutsError
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skip_duts_check = False
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with self.assertRaises(diagnosis_utils.NotEnoughDutsError):
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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# When skip_duts_check is False and current available DUTs
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# satisfy minimum_duts, no errors
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minimum_duts = 2
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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# Mock aef.get_hosts to return 2 failed hosts
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self.afe_mock.get_hosts.return_value = self._mockTwoFailedHosts()
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# When skip_duts_check is False and the two hosts are not available,
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# should raise NotEnoughDutsError
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with self.assertRaises(diagnosis_utils.NotEnoughDutsError):
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rpc_helper.check_dut_availability(labels,
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minimum_duts=minimum_duts,
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skip_duts_check=skip_duts_check)
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class _StubHost(object):
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def __init__(self, status, locked):
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self.status = status
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self.locked = locked
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is_available = frontend.Host.is_available.__func__
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if __name__ == '__main__':
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unittest.main()
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