do not change Config contexts properties when reload in MetaConfig (fixes #7)

ChangeLog

@@ -1,4 +1,6 @@
 Fri Apr  5 20:57:05 2019 +0200 Emmanuel Garette <egarette@cadoles.com>
+	* do not change Config contexts properties when reload in MetaConfig
+	(fixes #7)
 	* add/remove config in mixconfig or metaconfig (fixes #6)
 
 Sun Mar 24 20:24:34 2019 +0200 Emmanuel Garette <egarette@cadoles.com>

test/test_storage.py

@@ -6,7 +6,7 @@ from py.test import raises
 
 from tiramisu.error import ConfigError
 from tiramisu import Config, BoolOption, OptionDescription, Leadership, \
-                     list_sessions, delete_session, default_storage
+                     list_sessions, delete_session, default_storage, MetaConfig
 from tiramisu.setting import groups, owners
 
 
@@ -323,6 +323,21 @@ def test_create_persistent_context_property():
         delete_session('test_persistent')
 
 
+def test_create_persistent_context_property_metaconfig():
+    b = BoolOption('b', '')
+    o = OptionDescription('od', '', [b])
+    if default_storage.is_persistent():
+        c = Config(o, session_id='test_persistent', persistent=True)
+        c.property.add('persistent')
+        del c
+        #
+        m = MetaConfig([], optiondescription=o)
+        c = m.config.new(session_id='test_persistent', persistent=True)
+        assert 'persistent' in c.property.get()
+        del c
+        delete_session('test_persistent')
+
+
 def test_create_persistent_property():
     b = BoolOption('b', '')
     o = OptionDescription('od', '', [b])

tiramisu/config.py

@@ -28,7 +28,7 @@ from .error import PropertiesOptionError, ConfigError, ConflictError, \
 from .option import SynDynOptionDescription, DynOptionDescription, Leadership
 from .option.baseoption import BaseOption, valid_name
 from .setting import OptionBag, ConfigBag, Settings, undefined
-from .storage import get_storages, gen_storage_id, get_default_values_storages
+from .storage import get_storages, gen_storage_id, get_default_values_storages, list_sessions
 from .value import Values
 from .i18n import _
 
@@ -1247,6 +1247,7 @@ class KernelMetaConfig(KernelMixConfig):
             raise ConflictError(_('config name must be uniq in '
                                   'groupconfig for {0}').format(session_id))
         assert type_ in ('config', 'metaconfig'), _('unknown type {}').format(type_)
+        new = not persistent or session_id not in list_sessions()
         if type_ == 'config':
             config = KernelConfig(self._impl_descr,
                                   session_id=session_id,
@@ -1257,6 +1258,7 @@ class KernelMetaConfig(KernelMixConfig):
                                       session_id=session_id,
                                       persistent=persistent)
         # Copy context properties/permissives
+        if new:
             config.cfgimpl_get_settings().set_context_properties(self.cfgimpl_get_settings().get_context_properties(), config)
             config.cfgimpl_get_settings().set_context_permissives(self.cfgimpl_get_settings().get_context_permissives())