Improved testing coverage. Removed unused logic

graphene/core/options.py

@@ -55,15 +55,8 @@ class Options(object):
         else:
             self.proxy = False
 
-        if self.interfaces != [] and self.interface:
-            raise Exception("A interface cannot inherit from interfaces")
-
         del self.meta
 
-    @cached_property
-    def object(self):
-        return namedtuple(self.type_name, self.fields_map.keys())
-
     def add_field(self, field):
         self.local_fields.append(field)
 

graphene/core/types.py

@@ -132,8 +132,6 @@ class BaseObjectType(object):
     def __new__(cls, *args, **kwargs):
         if cls._meta.is_interface:
             raise Exception("An interface cannot be initialized")
-        if not args and not kwargs:
-            return None
         return super(BaseObjectType, cls).__new__(cls)
 
     def __init__(self, *args, **kwargs):

graphene/utils/proxy_snake_dict.py

@@ -24,10 +24,10 @@ class ProxySnakeDict(collections.MutableMapping):
     def __len__(self):
         return len(self.data)
 
-    def __delitem__(self):
+    def __delitem__(self, item):
         raise TypeError('ProxySnakeDict does not support item deletion')
 
-    def __setitem__(self):
+    def __setitem__(self, item, value):
         raise TypeError('ProxySnakeDict does not support item assignment')
 
     def __getitem__(self, key):
@@ -59,5 +59,12 @@ class ProxySnakeDict(collections.MutableMapping):
         for k in self.iterkeys():
             yield k, self[k]
 
+    def to_data_dict(self):
+        return self.data.__class__(self.iteritems())
+
+    def __eq__(self, other):
+        return self.to_data_dict() == other.to_data_dict()
+
     def __repr__(self):
-        return dict(self.iteritems()).__repr__()
+        data_repr = self.to_data_dict().__repr__()
+        return '<ProxySnakeDict {}>'.format(data_repr)

tests/core/test_types.py

@@ -34,6 +34,18 @@ class Human(Character):
     class Meta:
         type_name = 'core_Human'
 
+    @property
+    def readonly_prop(self):
+        return 'readonly'
+
+    @property
+    def write_prop(self):
+        return self._write_prop
+
+    @write_prop.setter
+    def write_prop(self, value):
+        self._write_prop = value
+
 schema = Schema()
 
 
@@ -44,8 +56,12 @@ def test_interface():
     assert Character._meta.type_name == 'core_Character'
     assert object_type.description == 'Character description'
     assert list(object_type.get_fields().keys()) == ['name']
-    # assert object_type.get_fields() == {
-    #     'name': Character._meta.fields_map['name'].internal_field(schema)}
+
+
+def test_interface_cannot_initialize():
+    with raises(Exception) as excinfo:
+        c = Character()
+    assert 'An interface cannot be initialized' == str(excinfo.value)
 
 
 def test_interface_resolve_type():
@@ -66,6 +82,27 @@ def test_object_type():
     assert Human._meta.fields_map['name'].object_type == Human
 
 
+def test_object_type_container():
+    h = Human(name='My name')
+    assert h.name == 'My name'
+
+
+def test_object_type_set_properties():
+    h = Human(readonly_prop='custom', write_prop='custom')
+    assert h.readonly_prop == 'readonly'
+    assert h.write_prop == 'custom'
+
+
+def test_object_type_container_invalid_kwarg():
+    with raises(TypeError):
+        Human(invalid='My name')
+
+
+def test_object_type_container_too_many_args():
+    with raises(IndexError):
+        Human('Peter', 'No friends :(', None)
+
+
 def test_field_clashes():
     with raises(Exception) as excinfo:
         class Droid(Character):

tests/utils/test_misc.py

@@ -0,0 +1,13 @@
+import collections
+from graphql.core.type import GraphQLEnumType
+from graphene.utils.misc import enum_to_graphql_enum
+
+item = collections.namedtuple('type', 'name value')
+
+
+class MyCustomEnum(list):
+    __name__ = 'MyName'
+
+
+def test_enum_to_graphql_enum():
+    assert isinstance(enum_to_graphql_enum(MyCustomEnum([item('k', 'v')])), GraphQLEnumType)

tests/utils/test_proxy_snake_dict.py

@@ -1,3 +1,4 @@
+from py.test import raises
 from graphene.utils import ProxySnakeDict
 
 
@@ -8,6 +9,7 @@ def test_proxy_snake_dict():
     assert 'two' in p
     assert 'threeOrFor' in p
     assert 'none' in p
+    assert len(p) == len(my_data)
     assert p['none'] is None
     assert p.get('none') is None
     assert p.get('none_existent') is None
@@ -15,6 +17,11 @@ def test_proxy_snake_dict():
     assert p.get('three_or_for') == 3
     assert 'inside' in p
     assert 'other_camel_case' in p['inside']
+    assert sorted(p.items()) == sorted(list([('inside', ProxySnakeDict({'other_camel_case': 3})),
+                                             ('none', None),
+                                             ('three_or_for', 3),
+                                             ('two', 2),
+                                             ('one', 1)]))
 
 
 def test_proxy_snake_dict_as_kwargs():
@@ -24,3 +31,22 @@ def test_proxy_snake_dict_as_kwargs():
     def func(**kwargs):
         return kwargs.get('my_data')
     assert func(**p) == 1
+
+
+def test_proxy_snake_dict_repr():
+    my_data = {'myData': 1}
+    p = ProxySnakeDict(my_data)
+
+    assert repr(p) == "<ProxySnakeDict {'my_data': 1}>"
+
+
+def test_proxy_snake_dict_set():
+    p = ProxySnakeDict({})
+    with raises(TypeError):
+        p['a'] = 2
+
+
+def test_proxy_snake_dict_delete():
+    p = ProxySnakeDict({})
+    with raises(TypeError):
+        del p['a']