root / test / py / cmdlib / testsupport / netutils_mock.py @ 11414807
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# Copyright (C) 2013 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Support for mocking the netutils module"""
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import mock |
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from ganeti import compat |
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from ganeti import netutils |
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from cmdlib.testsupport.util import patchModule |
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# pylint: disable=C0103
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def patchNetutils(module_under_test): |
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"""Patches the L{ganeti.netutils} module for tests.
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This function is meant to be used as a decorator for test methods.
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@type module_under_test: string
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@param module_under_test: the module within cmdlib which is tested. The
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"ganeti.cmdlib" prefix is optional.
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"""
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return patchModule(module_under_test, "netutils") |
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class HostnameMock(object): |
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"""Simple mocked version of L{netutils.Hostname}.
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"""
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def __init__(self, name, ip): |
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self.name = name
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self.ip = ip
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def _IsOverwrittenReturnValue(value): |
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return value is not None and value != mock.DEFAULT and \ |
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not isinstance(value, mock.Mock) |
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# pylint: disable=W0613
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def _GetHostnameMock(cfg, mock_fct, name=None, family=None): |
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if _IsOverwrittenReturnValue(mock_fct.return_value):
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return mock.DEFAULT
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if name is None: |
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name = cfg.GetMasterNodeName() |
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if name == cfg.GetClusterName():
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cluster = cfg.GetClusterInfo() |
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return HostnameMock(cluster.cluster_name, cluster.master_ip)
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node = cfg.GetNodeInfoByName(name) |
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if node is not None: |
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return HostnameMock(node.name, node.primary_ip)
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return HostnameMock(name, "203.0.113.1") |
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# pylint: disable=W0613
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def _TcpPingMock(cfg, mock_fct, target, port, timeout=None, |
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live_port_needed=None, source=None): |
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if _IsOverwrittenReturnValue(mock_fct.return_value):
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return mock.DEFAULT
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if target == cfg.GetClusterName():
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return True |
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if cfg.GetNodeInfoByName(target) is not None: |
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return True |
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if target in [node.primary_ip for node in cfg.GetAllNodesInfo().values()]: |
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return True |
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if target in [node.secondary_ip for node in cfg.GetAllNodesInfo().values()]: |
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return True |
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return False |
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def SetupDefaultNetutilsMock(netutils_mod, cfg): |
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"""Configures the given netutils_mod mock to work with the given config.
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All relevant functions in netutils_mod are stubbed in such a way that they
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are consistent with the configuration.
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@param netutils_mod: the mock module to configure
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@type cfg: cmdlib.testsupport.ConfigMock
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@param cfg: the configuration to query for netutils request
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"""
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netutils_mod.GetHostname.side_effect = \ |
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compat.partial(_GetHostnameMock, cfg, netutils_mod.GetHostname) |
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netutils_mod.TcpPing.side_effect = \ |
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compat.partial(_TcpPingMock, cfg, netutils_mod.TcpPing) |
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netutils_mod.GetDaemonPort.side_effect = netutils.GetDaemonPort |
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netutils_mod.FormatAddress.side_effect = netutils.FormatAddress |
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netutils_mod.Hostname.GetNormalizedName.side_effect = \ |
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netutils.Hostname.GetNormalizedName |
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netutils_mod.IPAddress = netutils.IPAddress |
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netutils_mod.IP4Address = netutils.IP4Address |
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netutils_mod.IP6Address = netutils.IP6Address |