def test_init_only_allows_mapping_items(self):
with self.assertRaises(AssertionError):
ro_types.ReadOnlyWrapperDict([])
with self.assertRaises(AssertionError):
ro_types.ReadOnlyWrapperDict(1)
with self.assertRaises(AssertionError):
ro_types.ReadOnlyWrapperDict("Hello")
ro_types.ReadOnlyWrapperDict({})
ro_types.ReadOnlyWrapperDict(collections.OrderedDict())
def test_encode_structure(self):
a = collections.OrderedDict([('a', 1), ('b', 2), ('c', lambda: 3)])
b = [1, 2, 3]
c = lambda: 4
aa = ro_types.ReadOnlyDict(a)
bb = ro_types.ReadOnlyList(b)
cc = ro_types.Callable(c)
x = collections.OrderedDict([('x', aa), ('y', bb), ('z', cc)])
xx = ro_types.ReadOnlyWrapperDict(x)
self.assertEqual(
ro_types.ContextJSONEncoder(
**ro_types.JSON_ENCODE_OPTIONS).encode(xx),
'{"x":{"a":1,"b":2,"c":"3"},"y":[1,2,3],"z":4}')
def test_init_copies_items(self):
d = {'a': 1, 'b': 2}
x = ro_types.ReadOnlyWrapperDict(d)
d['a'] = 3
self.assertEqual(x['a'], 1)
def test_serialize(self):
x = ro_types.ReadOnlyWrapperDict(
collections.OrderedDict([('a', 1), ('b', 2)]))
# self.assertEqual(x.__serialize__(), '{"a":1,"b":2}')
self.assertEqual(x.__serialize__(), {"a": 1, "b": 2})
def test_repr(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1})
self.assertEqual(repr(x), "ReadOnlyWrapperDict({'a': 1})")
def test_str(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1})
self.assertEqual(str(x), "{'a': 1}")
def test_len(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1, 'b': 2})
self.assertEqual(len(x), 2)
def test_iter(self):
x = ro_types.ReadOnlyWrapperDict(
collections.OrderedDict([('a', 1), ('b', 2)]))
self.assertEqual(list(x.items()), [('a', 1), ('b', 2)])
def test_setitem(self):
with self.assertRaises(TypeError):
x = ro_types.ReadOnlyWrapperDict({'a': 1, 'b': 2})
x['hello'] = 1
def test_setattr(self):
with self.assertRaises(TypeError):
x = ro_types.ReadOnlyWrapperDict({'a': 1, 'b': 2})
x.hello = 1
def test_getattr_not_an_item(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1})
with self.assertRaises(AttributeError):
x.b
def test_getattr(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1, 'b': 2})
self.assertEqual(x.a, 1)
self.assertEqual(x.b, 2)
def test_getitem(self):
x = ro_types.ReadOnlyWrapperDict({'a': 1, 'b': 2})
self.assertEqual(x['a'], 1)
self.assertEqual(x['b'], 2)