tiramisu/test/test_metaconfig.py

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from autopath import do_autopath
do_autopath()
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from py.test import raises
from tiramisu.setting import groups, owners
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from tiramisu.config import Config, GroupConfig, MetaConfig
from tiramisu.option import IntOption, StrOption, OptionDescription
from tiramisu.error import ConfigError, ConflictError
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owners.addowner('meta')
def make_description():
i1 = IntOption('i1', '')
i2 = IntOption('i2', '', default=1)
i3 = IntOption('i3', '')
i4 = IntOption('i4', '', default=2)
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i5 = IntOption('i5', '', default=[2], multi=True)
i6 = IntOption('i6', '', properties=('disabled',))
od1 = OptionDescription('od1', '', [i1, i2, i3, i4, i5, i6])
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od2 = OptionDescription('od2', '', [od1])
conf1 = Config(od2, name='conf1')
conf2 = Config(od2, name='conf2')
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conf1.read_write()
conf2.read_write()
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meta = MetaConfig([conf1, conf2])
meta.cfgimpl_get_settings().setowner(owners.meta)
return meta
#FIXME ne pas mettre 2 meta dans une config
#FIXME ne pas mettre 2 OD differents dans un meta
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#FIXME serialization
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def test_none():
meta = make_description()
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conf1, conf2 = meta.cfgimpl_get_children()
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assert conf1.od1.i3 is conf2.od1.i3 is None
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.default
meta.od1.i3 = 3
assert conf1.od1.i3 == conf2.od1.i3 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.meta
meta.od1.i3 = 3
conf1.od1.i3 = 2
assert conf1.od1.i3 == 2
assert conf2.od1.i3 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.meta
meta.od1.i3 = 4
assert conf1.od1.i3 == 2
assert conf2.od1.i3 == 4
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.meta
del(meta.od1.i3)
assert conf1.od1.i3 == 2
assert conf2.od1.i3 is None
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.default
del(conf1.od1.i3)
assert conf1.od1.i3 is conf2.od1.i3 is None
assert conf1.getowner(conf1.unwrap_from_path('od1.i3')) is conf2.getowner(conf2.unwrap_from_path('od1.i3')) is owners.default
def test_default():
meta = make_description()
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conf1, conf2 = meta.cfgimpl_get_children()
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assert conf1.od1.i2 == conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
meta.od1.i2 = 3
assert conf1.od1.i2 == conf2.od1.i2 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
meta.od1.i2 = 3
conf1.od1.i2 = 2
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
meta.od1.i2 = 4
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 4
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
del(meta.od1.i2)
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
del(conf1.od1.i2)
assert conf1.od1.i2 == conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
def test_contexts():
meta = make_description()
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conf1, conf2 = meta.cfgimpl_get_children()
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assert conf1.od1.i2 == conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
meta.set_value('od1.i2', 6, only_config=True)
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assert meta.od1.i2 == 1
assert conf1.od1.i2 == conf2.od1.i2 == 6
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.user
def test_find():
meta = make_description()
i2 = meta.unwrap_from_path('od1.i2')
assert [i2] == meta.find(byname='i2')
assert i2 == meta.find_first(byname='i2')
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assert meta.make_dict() == {'od1.i4': 2, 'od1.i1': None, 'od1.i3': None,
'od1.i2': 1, 'od1.i5': [2], 'od1.i6': None}
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def test_group_error():
raises(ValueError, "GroupConfig('str')")
raises(ValueError, "GroupConfig(['str'])")
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def test_meta_meta():
meta1 = make_description()
meta2 = MetaConfig([meta1])
meta2.cfgimpl_get_settings().setowner(owners.meta)
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conf1, conf2 = meta1.cfgimpl_get_children()
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assert conf1.od1.i2 == conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
meta2.od1.i2 = 3
assert conf1.od1.i2 == conf2.od1.i2 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
meta2.od1.i2 = 3
conf1.od1.i2 = 2
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 3
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
meta2.od1.i2 = 4
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 4
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
del(meta2.od1.i2)
assert conf1.od1.i2 == 2
assert conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is owners.user
assert conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
del(conf1.od1.i2)
assert conf1.od1.i2 == conf2.od1.i2 == 1
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.default
meta1.od1.i2 = 6
assert conf1.od1.i2 == conf2.od1.i2 == 6
assert conf1.getowner(conf1.unwrap_from_path('od1.i2')) is conf2.getowner(conf2.unwrap_from_path('od1.i2')) is owners.meta
def test_meta_meta_set():
meta1 = make_description()
meta2 = MetaConfig([meta1])
meta2.cfgimpl_get_settings().setowner(owners.meta)
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conf1, conf2 = meta1.cfgimpl_get_children()
meta2.set_value('od1.i1', 7, only_config=True)
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#PropertiesOptionError
meta2.set_value('od1.i6', 7, only_config=True)
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assert conf1.od1.i1 == conf2.od1.i1 == 7
assert conf1.getowner(conf1.unwrap_from_path('od1.i1')) is conf2.getowner(conf2.unwrap_from_path('od1.i1')) is owners.user
assert [conf1, conf2] == meta2.find_firsts(byname='i1', byvalue=7).cfgimpl_get_children()
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conf1.od1.i1 = 8
assert [conf1, conf2] == meta2.find_firsts(byname='i1').cfgimpl_get_children()
assert [conf2] == meta2.find_firsts(byname='i1', byvalue=7).cfgimpl_get_children()
assert [conf1] == meta2.find_firsts(byname='i1', byvalue=8).cfgimpl_get_children()
assert [conf1, conf2] == meta2.find_firsts(byname='i5', byvalue=2).cfgimpl_get_children()
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raises(AttributeError, "meta2.find_firsts(byname='i1', byvalue=10)")
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raises(AttributeError, "meta2.find_firsts(byname='not', byvalue=10)")
raises(AttributeError, "meta2.find_firsts(byname='i6')")
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def test_not_meta():
i1 = IntOption('i1', '')
od1 = OptionDescription('od1', '', [i1])
od2 = OptionDescription('od2', '', [od1])
conf1 = Config(od2, name='conf1')
conf2 = Config(od2, name='conf2')
conf3 = Config(od2)
conf4 = Config(od2, name='conf2')
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conf3, conf4
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raises(ValueError, "GroupConfig(conf1)")
#same name
raises(ConflictError, "GroupConfig([conf2, conf4])")
grp = GroupConfig([conf1, conf2])
raises(ConfigError, 'grp.od1.i1')
conf1, conf2 = grp.cfgimpl_get_children()
grp.set_value('od1.i1', 7)
assert grp.conf1.od1.i1 == conf2.od1.i1 == 7
assert grp.conf1.getowner(grp.conf1.unwrap_from_path('od1.i1')) is grp.conf2.getowner(grp.conf2.unwrap_from_path('od1.i1')) is owners.user
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def test_group_find_firsts():
i1 = IntOption('i1', '')
od1 = OptionDescription('od1', '', [i1])
od2 = OptionDescription('od2', '', [od1])
conf1 = Config(od2, name='conf1')
conf2 = Config(od2, name='conf2')
grp = GroupConfig([conf1, conf2])
assert [conf1, conf2] == grp.find_firsts(byname='i1').cfgimpl_get_children()
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def test_meta_path():
meta = make_description()
assert meta._impl_path is None
assert meta.od1._impl_path == 'od1'
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def test_meta_unconsistent():
i1 = IntOption('i1', '')
i2 = IntOption('i2', '', default=1)
i3 = IntOption('i3', '')
i4 = IntOption('i4', '', default=2)
od1 = OptionDescription('od1', '', [i1, i2, i3, i4])
od2 = OptionDescription('od2', '', [od1])
conf1 = Config(od2, name='conf1')
conf2 = Config(od2, name='conf2')
conf3 = Config(od2, name='conf3')
conf4 = Config(od1, name='conf4')
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conf3, conf4
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meta = MetaConfig([conf1, conf2])
meta.cfgimpl_get_settings().setowner(owners.meta)
raises(TypeError, 'MetaConfig("string")')
#same descr but conf1 already in meta
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raises(ValueError, "MetaConfig([conf1, conf3])")
#not same descr
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raises(ValueError, "MetaConfig([conf3, conf4])")
def test_meta_master_slaves():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf2 = Config(interface1, name='conf2')
meta = MetaConfig([conf1, conf2])
meta.conf1.read_only()
meta.conf2.read_only()
assert [conf1, conf2] == meta.find_firsts(byname='netmask_admin_eth0').cfgimpl_get_children()
meta.conf1.read_write()
meta.conf2.read_only()
assert [conf2] == meta.find_firsts(byname='netmask_admin_eth0').cfgimpl_get_children()
meta.conf2.read_write()
raises(AttributeError, "meta.find_firsts(byname='netmask_admin_eth0')")
assert [conf1, conf2] == meta.find_firsts(byname='netmask_admin_eth0',
check_properties=None).cfgimpl_get_children()
meta.conf1.read_only()
meta.conf2.read_only()
meta.read_write()
assert [conf1, conf2] == meta.find_firsts(byname='netmask_admin_eth0').cfgimpl_get_children()
def test_meta_master_slaves_value():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf2 = Config(interface1, name='conf2')
meta = MetaConfig([conf1, conf2])
meta.conf1.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.netmask_admin_eth0 == [None]
del(meta.conf1.ip_admin_eth0)
assert meta.conf1.netmask_admin_eth0 == []
meta.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.netmask_admin_eth0 == [None]
meta.netmask_admin_eth0 = ['255.255.255.0']
assert meta.conf1.netmask_admin_eth0 == ['255.255.255.0']
meta.netmask_admin_eth0 = ['255.255.0.0']
assert meta.conf1.netmask_admin_eth0 == ['255.255.0.0']
meta.conf1.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.netmask_admin_eth0 == [None]
def test_meta_master_slaves_owners():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf2 = Config(interface1, name='conf2')
meta = MetaConfig([conf1, conf2])
meta.cfgimpl_get_settings().setowner(owners.meta)
assert meta.conf1.getowner(ip_admin_eth0) == owners.default
assert meta.conf1.getowner(netmask_admin_eth0) == owners.default
meta.conf1.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.getowner(ip_admin_eth0) == owners.user
assert meta.conf1.getowner(netmask_admin_eth0) == owners.default
del(meta.conf1.ip_admin_eth0)
assert meta.conf1.getowner(ip_admin_eth0) == owners.default
assert meta.conf1.getowner(netmask_admin_eth0) == owners.default
meta.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.getowner(ip_admin_eth0) == owners.meta
assert meta.conf1.getowner(netmask_admin_eth0) == owners.default
meta.netmask_admin_eth0 = ['255.255.255.0']
assert meta.conf1.getowner(ip_admin_eth0) == owners.meta
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assert meta.conf1.getowner(netmask_admin_eth0, 0) == owners.meta
meta.netmask_admin_eth0 = ['255.255.0.0']
assert meta.conf1.getowner(ip_admin_eth0) == owners.meta
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assert meta.conf1.getowner(netmask_admin_eth0, 0) == owners.meta
meta.conf1.ip_admin_eth0 = ['192.168.1.1']
assert meta.conf1.getowner(ip_admin_eth0) == owners.user
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assert meta.conf1.getowner(netmask_admin_eth0, 0) == owners.default
def test_meta_force_default():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf1.read_write()
conf2 = Config(interface1, name='conf2')
conf2.read_write()
meta = MetaConfig([conf1, conf2])
meta.read_write()
meta.cfgimpl_get_settings().setowner(owners.meta)
assert meta.ip_admin_eth0 == []
assert meta.conf1.ip_admin_eth0 == []
assert meta.conf2.ip_admin_eth0 == []
meta.set_value('ip_admin_eth0', ['192.168.1.1'])
assert meta.ip_admin_eth0 == ['192.168.1.1']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.1']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.1']
meta.conf1.ip_admin_eth0 = ['192.168.1.2']
assert meta.ip_admin_eth0 == ['192.168.1.1']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.2']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.1']
meta.set_value('ip_admin_eth0', ['192.168.1.3'])
assert meta.ip_admin_eth0 == ['192.168.1.3']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.2']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.3']
meta.set_value('ip_admin_eth0', ['192.168.1.4'], force_default=True)
assert meta.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.4']
def test_meta_force_dont_change_value():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf1.read_write()
conf2 = Config(interface1, name='conf2')
conf2.read_write()
meta = MetaConfig([conf1, conf2])
meta.read_write()
meta.cfgimpl_get_settings().setowner(owners.meta)
assert meta.ip_admin_eth0 == []
assert meta.conf1.ip_admin_eth0 == []
assert meta.conf2.ip_admin_eth0 == []
meta.conf1.ip_admin_eth0 = ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.default
meta.set_value('ip_admin_eth0', ['192.168.1.4'], force_dont_change_value=True)
assert meta.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.user
def test_meta_force_default_if_same():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf1.read_write()
conf2 = Config(interface1, name='conf2')
conf2.read_write()
meta = MetaConfig([conf1, conf2])
meta.read_write()
meta.cfgimpl_get_settings().setowner(owners.meta)
#
assert meta.ip_admin_eth0 == []
assert meta.conf1.ip_admin_eth0 == []
assert meta.conf2.ip_admin_eth0 == []
#
meta.conf1.ip_admin_eth0 = ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.default
meta.set_value('ip_admin_eth0', ['192.168.1.4'], force_default_if_same=True)
assert meta.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.4']
assert conf1.getowner(ip_admin_eth0) is owners.meta
assert conf2.getowner(ip_admin_eth0) is owners.meta
#
meta.conf1.ip_admin_eth0 = ['192.168.1.3']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.3']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.4']
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.meta
meta.set_value('ip_admin_eth0', ['192.168.1.5'], force_default_if_same=True)
assert meta.ip_admin_eth0 == ['192.168.1.5']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.3']
assert meta.conf2.ip_admin_eth0 == ['192.168.1.5']
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.meta
def test_meta_force_default_if_same_and_dont_change():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf1.read_write()
conf2 = Config(interface1, name='conf2')
conf2.read_write()
meta = MetaConfig([conf1, conf2])
meta.read_write()
meta.cfgimpl_get_settings().setowner(owners.meta)
#
assert meta.ip_admin_eth0 == []
assert meta.conf1.ip_admin_eth0 == []
assert meta.conf2.ip_admin_eth0 == []
#
meta.conf1.ip_admin_eth0 = ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.default
meta.set_value('ip_admin_eth0', ['192.168.1.4'], force_default_if_same=True, force_dont_change_value=True)
assert meta.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.4']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.meta
assert conf2.getowner(ip_admin_eth0) is owners.user
#
meta.conf1.ip_admin_eth0 = ['192.168.1.3']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.3']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.user
meta.set_value('ip_admin_eth0', ['192.168.1.5'], force_default_if_same=True, force_dont_change_value=True)
assert meta.ip_admin_eth0 == ['192.168.1.5']
assert meta.conf1.ip_admin_eth0 == ['192.168.1.3']
assert meta.conf2.ip_admin_eth0 == []
assert conf1.getowner(ip_admin_eth0) is owners.user
assert conf2.getowner(ip_admin_eth0) is owners.user
def test_meta_force_default_and_dont_change():
ip_admin_eth0 = StrOption('ip_admin_eth0', "ip", multi=True)
netmask_admin_eth0 = StrOption('netmask_admin_eth0', "mask", multi=True, properties=('hidden',))
interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
interface1.impl_set_group_type(groups.master)
conf1 = Config(interface1, name='conf1')
conf1.read_write()
conf2 = Config(interface1, name='conf2')
conf2.read_write()
meta = MetaConfig([conf1, conf2])
meta.read_write()
meta.cfgimpl_get_settings().setowner(owners.meta)
raises(ValueError, "meta.set_value('ip_admin_eth0', ['192.168.1.4'], force_default=True, force_dont_change_value=True)")