def test_children(self):
# Node children serializition
node = OrderedNode(name='base')
node['child'] = OrderedNode()
node['child']['sub'] = OrderedNode()
self.assertEqual(node.treerepr(),
('<class \'node.base.OrderedNode\'>: base\n'
' <class \'node.base.OrderedNode\'>: child\n'
' <class \'node.base.OrderedNode\'>: sub\n'))
json_data = serialize(node)
data = json.loads(json_data)
self.assertEqual(list(data.keys()), ['__node__'])
node_data = data['__node__']
self.assertEqual(list(sorted(node_data.keys())),
['children', 'class', 'name'])
self.assertEqual(node_data['class'], 'node.base.OrderedNode')
self.assertEqual(node_data['name'], 'base')
self.assertEqual(len(node_data['children']), 1)
node_data = node_data['children'][0]['__node__']
self.assertEqual(node_data['class'], 'node.base.OrderedNode')
self.assertEqual(node_data['name'], 'child')
self.assertEqual(len(node_data['children']), 1)
node_data = node_data['children'][0]['__node__']
self.assertEqual(list(sorted(node_data.keys())), ['class', 'name'])
self.assertEqual(node_data['class'], 'node.base.OrderedNode')
self.assertEqual(node_data['name'], 'sub')
node = deserialize(json_data)
self.assertEqual(node.treerepr(),
('<class \'node.base.OrderedNode\'>: base\n'
' <class \'node.base.OrderedNode\'>: child\n'
' <class \'node.base.OrderedNode\'>: sub\n'))
# Deserialize using given root node
root = BaseNode(name='root')
node = deserialize(json_data, root=root)
self.assertEqual(root.treerepr(),
('<class \'node.base.BaseNode\'>: root\n'
' <class \'node.base.OrderedNode\'>: base\n'
' <class \'node.base.OrderedNode\'>: child\n'
' <class \'node.base.OrderedNode\'>: sub\n'))
def test_OrderedNode(self):
self.assertEqual(OrderedNode.__bases__, (object, ))
orderednode = OrderedNode()
self.assertTrue(
str(orderednode).startswith('<OrderedNode object \'None\' at'))
fmtester = FullMappingTester(OrderedNode)
fmtester.run()
self.checkOutput(
"""\
``__contains__``: OK
``__delitem__``: OK
``__getitem__``: OK
``__iter__``: OK
``__len__``: OK
``__setitem__``: OK
``clear``: OK
``copy``: OK
``get``: OK
``has_key``: OK
``items``: OK
``iteritems``: OK
``iterkeys``: OK
``itervalues``: OK
``keys``: OK
``pop``: OK
``popitem``: OK
``setdefault``: OK
``update``: OK
``values``: OK
""", fmtester.combined)
orderednode['child'] = OrderedNode()
self.checkOutput(
"""\
<class 'node.base.OrderedNode'>: None
__<class 'node.base.OrderedNode'>: child
""", orderednode.treerepr(prefix='_'))
unpickled = pickle.loads(pickle.dumps(orderednode))
self.checkOutput(
"""\
<class 'node.base.OrderedNode'>: None
__<class 'node.base.OrderedNode'>: child
""", unpickled.treerepr(prefix='_'))
def test_children_as_list(self):
# Serialize list of nodes
node = OrderedNode(name='base')
node['child_1'] = OrderedNode()
node['child_2'] = OrderedNode()
self.assertEqual(node.treerepr(),
('<class \'node.base.OrderedNode\'>: base\n'
' <class \'node.base.OrderedNode\'>: child_1\n'
' <class \'node.base.OrderedNode\'>: child_2\n'))
json_data = serialize(node.values())
data = json.loads(json_data)
self.assertTrue(isinstance(data, list))
self.assertEqual(len(data), 2)
node_data = data[0]['__node__']
self.assertEqual(list(sorted(node_data.keys())), ['class', 'name'])
self.assertEqual(node_data['class'], 'node.base.OrderedNode')
self.assertEqual(node_data['name'], 'child_1')
node_data = data[1]['__node__']
self.assertEqual(list(sorted(node_data.keys())), ['class', 'name'])
self.assertEqual(node_data['class'], 'node.base.OrderedNode')
self.assertEqual(node_data['name'], 'child_2')
# Deserialize list of nodes using given root node
root = OrderedNode(name='root')
nodes = deserialize(json_data, root=root)
self.assertEqual(len(nodes), 2)
self.check_output(
"""\
[<OrderedNode object 'child_1' at ...>,
<OrderedNode object 'child_2' at ...>]
""", str(nodes))
self.assertEqual(root.treerepr(),
('<class \'node.base.OrderedNode\'>: root\n'
' <class \'node.base.OrderedNode\'>: child_1\n'
' <class \'node.base.OrderedNode\'>: child_2\n'))
def test_copy(self):
node = BaseNode()
node['child'] = BaseNode()
# Shallow copy of BaseNode
copied_node = node.copy()
self.checkOutput(
"""\
<class 'node.base.BaseNode'>: None
__<class 'node.base.BaseNode'>: child
""", copied_node.treerepr(prefix='_'))
self.assertFalse(node is copied_node)
self.assertTrue(node['child'] is copied_node['child'])
copied_node = copy.copy(node)
self.assertFalse(node is copied_node)
self.assertTrue(node['child'] is copied_node['child'])
# Deep copy of base node
copied_node = node.deepcopy()
self.checkOutput(
"""\
<class 'node.base.BaseNode'>: None
__<class 'node.base.BaseNode'>: child
""", copied_node.treerepr(prefix='_'))
self.assertFalse(node is copied_node)
self.assertFalse(node['child'] is copied_node['child'])
copied_node = copy.deepcopy(node)
self.assertFalse(node is copied_node)
self.assertFalse(node['child'] is copied_node['child'])
# Shallow copy of ordered node
node = OrderedNode()
node['child'] = OrderedNode()
copied_node = node.copy()
self.checkOutput(
"""\
<class 'node.base.OrderedNode'>: None
__<class 'node.base.OrderedNode'>: child
""", copied_node.treerepr(prefix='_'))
self.assertFalse(node is copied_node)
self.assertTrue(node['child'] is copied_node['child'])
copied_node = copy.copy(node)
self.assertFalse(node is copied_node)
self.assertTrue(node['child'] is copied_node['child'])
# Deep copy of ordered node
node = OrderedNode()
node['child'] = OrderedNode()
copied_node = node.deepcopy()
self.checkOutput(
"""\
<class 'node.base.OrderedNode'>: None
__<class 'node.base.OrderedNode'>: child
""", copied_node.treerepr(prefix='_'))
self.assertFalse(node is copied_node)
self.assertFalse(node['child'] is copied_node['child'])
copied_node = copy.deepcopy(node)
self.assertFalse(node is copied_node)
self.assertFalse(node['child'] is copied_node['child'])
def test_INode(self):
# XXX: make tester object for INode contract
# XXX: decide wether ``aliases`` or ``aliaser`` (still dunno) should be
# kept in base interface.
# printtree
mynode = create_tree(MyNode)
self.checkOutput(
"""\
<class 'node.testing.env.MyNode'>: None
__<class 'node.testing.env.MyNode'>: child_0
____<class 'node.testing.env.MyNode'>: subchild_0
____<class 'node.testing.env.MyNode'>: subchild_1
__<class 'node.testing.env.MyNode'>: child_1
____<class 'node.testing.env.MyNode'>: subchild_0
____<class 'node.testing.env.MyNode'>: subchild_1
__<class 'node.testing.env.MyNode'>: child_2
____<class 'node.testing.env.MyNode'>: subchild_0
____<class 'node.testing.env.MyNode'>: subchild_1
""", mynode.treerepr(prefix='_'))
basenode = create_tree(BaseNode)
self.checkOutput(
"""\
<class 'node.base.BaseNode'>: None
__<class 'node.base.BaseNode'>: child_...
____<class 'node.base.BaseNode'>: subchild_...
____<class 'node.base.BaseNode'>: subchild_...
__<class 'node.base.BaseNode'>: child_...
____<class 'node.base.BaseNode'>: subchild_...
____<class 'node.base.BaseNode'>: subchild_...
__<class 'node.base.BaseNode'>: child_...
____<class 'node.base.BaseNode'>: subchild_...
____<class 'node.base.BaseNode'>: subchild_...
""", basenode.treerepr(prefix='_'))
orderednode = create_tree(OrderedNode)
self.checkOutput(
"""\
<class 'node.base.OrderedNode'>: None
__<class 'node.base.OrderedNode'>: child_0
____<class 'node.base.OrderedNode'>: subchild_0
____<class 'node.base.OrderedNode'>: subchild_1
__<class 'node.base.OrderedNode'>: child_1
____<class 'node.base.OrderedNode'>: subchild_0
____<class 'node.base.OrderedNode'>: subchild_1
__<class 'node.base.OrderedNode'>: child_2
____<class 'node.base.OrderedNode'>: subchild_0
____<class 'node.base.OrderedNode'>: subchild_1
""", orderednode.treerepr(prefix='_'))
# path
mynode.__name__ = 'root'
self.assertEqual(mynode.path, ['root'])
self.assertEqual(mynode['child_1']['subchild_1'].path,
['root', 'child_1', 'subchild_1'])
basenode.__name__ = 'root'
self.assertEqual(basenode.path, ['root'])
self.assertEqual(basenode['child_1']['subchild_1'].path,
['root', 'child_1', 'subchild_1'])
orderednode.__name__ = 'root'
self.assertEqual(orderednode.path, ['root'])
self.assertEqual(orderednode['child_1']['subchild_1'].path,
['root', 'child_1', 'subchild_1'])
# root
self.assertTrue(mynode['child_1']['subchild_1'].root is mynode)
self.assertTrue(basenode['child_1']['subchild_1'].root is basenode)
self.assertTrue(
orderednode['child_1']['subchild_1'].root is orderednode)
# allow_non_node_childs
self.assertFalse(mynode.allow_non_node_childs)
def non_node_childs_not_allowed():
mynode['foo'] = object()
err = self.expectError(ValueError, non_node_childs_not_allowed)
self.assertEqual(str(err), 'Non-node childs are not allowed.')
def no_classes_as_values_allowed():
mynode['foo'] = object
err = self.expectError(ValueError, no_classes_as_values_allowed)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
mynode.allow_non_node_childs = True
obj = mynode['foo'] = object()
self.assertEqual(mynode['foo'], obj)
del mynode['foo']
mynode.allow_non_node_childs = False
self.assertFalse(basenode.allow_non_node_childs)
def non_node_childs_not_allowed2():
basenode['foo'] = object()
err = self.expectError(ValueError, non_node_childs_not_allowed2)
self.assertEqual(str(err), 'Non-node childs are not allowed.')
def no_classes_as_values_allowed2():
basenode['foo'] = object
err = self.expectError(ValueError, no_classes_as_values_allowed2)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
basenode.allow_non_node_childs = True
obj = basenode['foo'] = object()
self.assertEqual(basenode['foo'], obj)
del basenode['foo']
basenode.allow_non_node_childs = False
self.assertFalse(orderednode.allow_non_node_childs)
def non_node_childs_not_allowed3():
orderednode['foo'] = object()
err = self.expectError(ValueError, non_node_childs_not_allowed3)
self.assertEqual(str(err), 'Non-node childs are not allowed.')
def no_classes_as_values_allowed3():
orderednode['foo'] = object
err = self.expectError(ValueError, no_classes_as_values_allowed3)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
orderednode.allow_non_node_childs = True
obj = orderednode['foo'] = object()
self.assertEqual(orderednode['foo'], obj)
del orderednode['foo']
orderednode.allow_non_node_childs = False
# filteredvalues and filtereditervalues
class IFilter(Interface):
pass
directlyProvides(mynode['child_2'], IFilter)
self.assertEqual(list(mynode.filtereditervalues(IFilter)),
[mynode['child_2']])
self.assertEqual(mynode.filteredvalues(IFilter), [mynode['child_2']])
noLongerProvides(mynode['child_2'], IFilter)
self.assertEqual(list(mynode.filtereditervalues(IFilter)), [])
self.assertEqual(mynode.filteredvalues(IFilter), [])
directlyProvides(basenode['child_2'], IFilter)
self.assertEqual(list(basenode.filtereditervalues(IFilter)),
[basenode['child_2']])
self.assertEqual(basenode.filteredvalues(IFilter),
[basenode['child_2']])
noLongerProvides(basenode['child_2'], IFilter)
self.assertEqual(list(basenode.filtereditervalues(IFilter)), [])
self.assertEqual(basenode.filteredvalues(IFilter), [])
directlyProvides(orderednode['child_2'], IFilter)
self.assertEqual(list(orderednode.filtereditervalues(IFilter)),
[orderednode['child_2']])
self.assertEqual(orderednode.filteredvalues(IFilter),
[orderednode['child_2']])
noLongerProvides(orderednode['child_2'], IFilter)
self.assertEqual(list(orderednode.filtereditervalues(IFilter)), [])
self.assertEqual(orderednode.filteredvalues(IFilter), [])
# as_attribute_access
myattrs = mynode.as_attribute_access()
self.assertEqual(myattrs.__class__, AttributeAccess)
self.assertEqual(myattrs.child_1, mynode['child_1'])
myattrs.child_3 = MyNode()
self.assertEqual(mynode['child_3'], myattrs.child_3)
def no_classes_as_values_allowed4():
myattrs.child_4 = object
err = self.expectError(ValueError, no_classes_as_values_allowed4)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
baseattrs = basenode.as_attribute_access()
self.assertEqual(baseattrs.__class__, AttributeAccess)
self.assertEqual(baseattrs.child_1, basenode['child_1'])
baseattrs.child_3 = BaseNode()
self.assertEqual(basenode['child_3'], baseattrs.child_3)
def no_classes_as_values_allowed5():
baseattrs.child_4 = object
err = self.expectError(ValueError, no_classes_as_values_allowed5)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
orderedattrs = orderednode.as_attribute_access()
self.assertEqual(orderedattrs.__class__, AttributeAccess)
self.assertEqual(orderedattrs.child_1, orderednode['child_1'])
orderedattrs.child_3 = OrderedNode()
self.assertEqual(orderednode['child_3'], orderedattrs.child_3)
def no_classes_as_values_allowed6():
orderedattrs.child_4 = object
err = self.expectError(ValueError, no_classes_as_values_allowed6)
expected = 'It isn\'t allowed to use classes as values.'
self.assertEqual(str(err), expected)
