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How to use set_host_attribute method in autotest

Best Python code snippet using autotest_python

afe_store_unittest.py

Source:afe_store_unittest.py

1# Copyright 2017 The Chromium OS Authors. All rights reserved.2# Use of this source code is governed by a BSD-style license that can be3# found in the LICENSE file.4import mock5import unittest6import common7from autotest_lib.frontend.afe.json_rpc import proxy as rpc_proxy8from autotest_lib.server import frontend9from autotest_lib.server.hosts import afe_store10from autotest_lib.server.hosts import host_info11class AfeStoreTest(unittest.TestCase):12    """Test refresh/commit success cases for AfeStore."""13    def setUp(self):14        self.hostname = 'some-host'15        self.mock_afe = mock.create_autospec(frontend.AFE, instance=True)16        self.store = afe_store.AfeStore(self.hostname, afe=self.mock_afe)17    def _create_mock_host(self, labels, attributes):18        """Create a mock frontend.Host with the given labels and attributes.19        @param labels: The labels to set on the host.20        @param attributes: The attributes to set on the host.21        @returns: A mock object for frontend.Host.22        """23        mock_host = mock.create_autospec(frontend.Host, instance=True)24        mock_host.labels = labels25        mock_host.attributes = attributes26        return mock_host27    def test_refresh(self):28        """Test that refresh correctly translates host information."""29        self.mock_afe.get_hosts.return_value = [30                self._create_mock_host(['label1'], {'attrib1': 'val1'})]31        info = self.store._refresh_impl()32        self.assertListEqual(info.labels, ['label1'])33        self.assertDictEqual(info.attributes, {'attrib1': 'val1'})34    def test_refresh_no_host_raises(self):35        """Test that refresh complains if no host is found."""36        self.mock_afe.get_hosts.return_value = []37        with self.assertRaises(host_info.StoreError):38            self.store._refresh_impl()39    def test_refresh_multiple_hosts_picks_first(self):40        """Test that refresh returns the first host if multiple match."""41        self.mock_afe.get_hosts.return_value = [42                self._create_mock_host(['label1'], {'attrib1': 'val1'}),43                self._create_mock_host(['label2'], {'attrib2': 'val2'})]44        info = self.store._refresh_impl()45        self.assertListEqual(info.labels, ['label1'])46        self.assertDictEqual(info.attributes, {'attrib1': 'val1'})47    def test_commit_labels(self):48        """Tests that labels are updated correctly on commit."""49        self.mock_afe.get_hosts.return_value = [50                self._create_mock_host(['label1'], {})]51        info = host_info.HostInfo(['label2'], {})52        self.store._commit_impl(info)53        self.assertEqual(self.mock_afe.run.call_count, 2)54        expected_run_calls = [55                mock.call('host_remove_labels', id='some-host',56                          labels=['label1']),57                mock.call('host_add_labels', id='some-host',58                          labels=['label2']),59        ]60        self.mock_afe.run.assert_has_calls(expected_run_calls,61                                           any_order=True)62    def test_commit_labels_raises(self):63        """Test that exception while committing is translated properly."""64        self.mock_afe.get_hosts.return_value = [65                self._create_mock_host(['label1'], {})]66        self.mock_afe.run.side_effect = rpc_proxy.JSONRPCException('some error')67        info = host_info.HostInfo(['label2'], {})68        with self.assertRaises(host_info.StoreError):69            self.store._commit_impl(info)70    def test_commit_adds_attributes(self):71        """Tests that new attributes are added correctly on commit."""72        self.mock_afe.get_hosts.return_value = [73                self._create_mock_host([], {})]74        info = host_info.HostInfo([], {'attrib1': 'val1'})75        self.store._commit_impl(info)76        self.assertEqual(self.mock_afe.set_host_attribute.call_count, 1)77        self.mock_afe.set_host_attribute.assert_called_once_with(78                'attrib1', 'val1', hostname=self.hostname)79    def test_commit_updates_attributes(self):80        """Tests that existing attributes are updated correctly on commit."""81        self.mock_afe.get_hosts.return_value = [82                self._create_mock_host([], {'attrib1': 'val1'})]83        info = host_info.HostInfo([], {'attrib1': 'val1_updated'})84        self.store._commit_impl(info)85        self.assertEqual(self.mock_afe.set_host_attribute.call_count, 1)86        self.mock_afe.set_host_attribute.assert_called_once_with(87                'attrib1', 'val1_updated', hostname=self.hostname)88    def test_commit_deletes_attributes(self):89        """Tests that deleted attributes are updated correctly on commit."""90        self.mock_afe.get_hosts.return_value = [91                self._create_mock_host([], {'attrib1': 'val1'})]92        info = host_info.HostInfo([], {})93        self.store._commit_impl(info)94        self.assertEqual(self.mock_afe.set_host_attribute.call_count, 1)95        self.mock_afe.set_host_attribute.assert_called_once_with(96                'attrib1', None, hostname=self.hostname)97    def test_str(self):98        """Sanity tests the __str__ implementaiton"""99        self.assertEqual(str(self.store), 'AfeStore[some-host]')100class DictDiffTest(unittest.TestCase):101    """Tests the afe_store._dict_diff private method."""102    def _assert_dict_diff(self, got_tuple, expectation_tuple):103        """Verifies the result from _dict_diff104        @param got_tuple: The tuple returned by afe_store._dict_diff105        @param expectatin_tuple: tuple (left_only, right_only, differing)106                containing iterable of keys to verify against got_tuple.107        """108        for got, expect in zip(got_tuple, expectation_tuple):109            self.assertEqual(got, set(expect))110    def test_both_empty(self):111        """Tests the case when both dicts are empty."""112        self._assert_dict_diff(afe_store._dict_diff({}, {}),113                               ((), (), ()))114    def test_right_dict_only(self):115        """Tests the case when left dict is empty."""116        self._assert_dict_diff(afe_store._dict_diff({}, {1: 1}),117                               ((), (1,), ()))118    def test_left_dict_only(self):119        """Tests the case when right dict is empty."""120        self._assert_dict_diff(afe_store._dict_diff({1: 1}, {}),121                               ((1,), (), ()))122    def test_left_dict_extra(self):123        """Tests the case when left dict has extra keys."""124        self._assert_dict_diff(afe_store._dict_diff({1: 1, 2: 2}, {1: 1}),125                               ((2,), (), ()))126    def test_right_dict_extra(self):127        """Tests the case when right dict has extra keys."""128        self._assert_dict_diff(afe_store._dict_diff({1: 1}, {1: 1, 2: 2}),129                               ((), (2,), ()))130    def test_identical_keys_with_different_values(self):131        """Tests the case when the set of keys is same, but values differ."""132        self._assert_dict_diff(afe_store._dict_diff({1: 1, 2: 3}, {1: 1, 2: 2}),133                               ((), (), (2,)))134if __name__ == '__main__':...

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