remove slave values when delete a master without value

ChangeLog

@@ -2,6 +2,7 @@ Sun Apr 19 09:14:21 2015 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* valid Option is an unicode or a string if needed
 	* difference between option/optiondescription in PropertiesOptionError
 	message
+	* remove slave values when delete a master without value
 
 Sat Apr 18 22:42:53 2015 +0200 Emmanuel Garette <egarette@cadoles.com>
 	* refactor validation, build a fake context (with new Values and

test/test_parsing_group.py

@@ -335,6 +335,47 @@ def test_reset_values_with_master_and_slaves():
     assert cfg.ip_admin_eth0.netmask_admin_eth0 == []
 
 
+def test_reset_values_with_master_and_slaves_default():
+    ip_admin_eth0 = StrOption('ip_admin_eth0', "ip réseau autorisé", multi=True, default=['192.168.230.145'])
+    netmask_admin_eth0 = StrOption('netmask_admin_eth0', "masque du sous-réseau", multi=True)
+    interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
+    interface1.impl_set_group_type(groups.master)
+    maconfig = OptionDescription('toto', '', [interface1])
+    cfg = Config(maconfig)
+    cfg.read_write()
+    owner = cfg.cfgimpl_get_settings().getowner()
+    assert cfg.getowner(ip_admin_eth0) == owners.default
+    assert cfg.getowner(netmask_admin_eth0) == owners.default
+
+    cfg.ip_admin_eth0.ip_admin_eth0[0] = "192.168.230.146"
+    assert cfg.getowner(ip_admin_eth0) == owner
+    assert cfg.getowner(netmask_admin_eth0) == owners.default
+    del(cfg.ip_admin_eth0.ip_admin_eth0)
+    assert cfg.getowner(ip_admin_eth0) == owners.default
+    assert cfg.getowner(netmask_admin_eth0) == owners.default
+    assert cfg.ip_admin_eth0.ip_admin_eth0 == ['192.168.230.145']
+    assert cfg.ip_admin_eth0.netmask_admin_eth0 == [None]
+
+    cfg.ip_admin_eth0.ip_admin_eth0[0] = "192.168.230.146"
+    cfg.ip_admin_eth0.netmask_admin_eth0[0] = "255.255.255.0"
+    assert cfg.getowner(ip_admin_eth0) == owner
+    assert cfg.getowner(netmask_admin_eth0) == owner
+    del(cfg.ip_admin_eth0.ip_admin_eth0)
+    assert cfg.getowner(ip_admin_eth0) == owners.default
+    assert cfg.getowner(netmask_admin_eth0) == owners.default
+    assert cfg.ip_admin_eth0.ip_admin_eth0 == ['192.168.230.145']
+    assert cfg.ip_admin_eth0.netmask_admin_eth0 == [None]
+
+    cfg.ip_admin_eth0.netmask_admin_eth0[0] = "255.255.255.0"
+    assert cfg.getowner(ip_admin_eth0) == owners.default
+    assert cfg.getowner(netmask_admin_eth0) == owner
+    del(cfg.ip_admin_eth0.ip_admin_eth0)
+    assert cfg.getowner(ip_admin_eth0) == owners.default
+    assert cfg.getowner(netmask_admin_eth0) == owners.default
+    assert cfg.ip_admin_eth0.ip_admin_eth0 == ['192.168.230.145']
+    assert cfg.ip_admin_eth0.netmask_admin_eth0 == [None]
+
+
 def test_values_with_master_and_slaves_slave():
     ip_admin_eth0 = StrOption('ip_admin_eth0', "ip réseau autorisé", multi=True)
     netmask_admin_eth0 = StrOption('netmask_admin_eth0', "masque du sous-réseau", multi=True)
@@ -558,3 +599,16 @@ def test_multi_non_valid_value():
     cfg.read_write()
     cfg.ip_admin_eth0 = ['a']
     raises(ValueError, 'cfg.ip_admin_eth0[0] = 1')
+
+
+def test_multi_master_default_slave():
+    ip_admin_eth0 = StrOption('ip_admin_eth0', "ip réseau autorisé", multi=True)
+    netmask_admin_eth0 = StrOption('netmask_admin_eth0', "masque du sous-réseau", default_multi="255.255.255.0", multi=True)
+    interface1 = OptionDescription('ip_admin_eth0', '', [ip_admin_eth0, netmask_admin_eth0])
+    interface1.impl_set_group_type(groups.master)
+    maconfig = OptionDescription('toto', '', [interface1])
+    cfg = Config(maconfig)
+    cfg.read_write()
+    cfg.ip_admin_eth0.ip_admin_eth0.append('192.168.1.1')
+    cfg.cfgimpl_reset_cache()
+    assert cfg.ip_admin_eth0.ip_admin_eth0 == ['192.168.1.1']

tiramisu/value.py

@@ -158,8 +158,10 @@ class Values(object):
         if validate:
             context.cfgimpl_get_settings().validate_properties(opt, False,
                                                                True, path)
-        if self._contains(path):
-            if validate:
+
+        hasvalue = self._contains(path)
+
+        if hasvalue and validate:
             setting = context.cfgimpl_get_settings()
             fake_context = context._gen_fake_values()
             setting_properties = setting._getproperties()
@@ -170,6 +172,7 @@ class Values(object):
         context.cfgimpl_reset_cache()
         if opt.impl_is_master_slaves('master'):
             opt.impl_get_master_slaves().reset(opt, self)
+        if hasvalue:
             self._p_.resetvalue(path)
 
     def _isempty(self, opt, value):