455 lines
16 KiB
Python
455 lines
16 KiB
Python
import unittest
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import pytest
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from mongoengine import Document
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from mongoengine.base.datastructures import BaseDict, BaseList, StrictDict
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class DocumentStub:
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def __init__(self):
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self._changed_fields = []
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self._unset_fields = []
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def _mark_as_changed(self, key):
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self._changed_fields.append(key)
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def _mark_as_unset(self, key):
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self._unset_fields.append(key)
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class TestBaseDict:
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@staticmethod
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def _get_basedict(dict_items):
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"""Get a BaseList bound to a fake document instance"""
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fake_doc = DocumentStub()
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base_list = BaseDict(dict_items, instance=None, name="my_name")
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base_list._instance = (
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fake_doc # hack to inject the mock, it does not work in the constructor
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)
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return base_list
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def test___init___(self):
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class MyDoc(Document):
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pass
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dict_items = {"k": "v"}
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doc = MyDoc()
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base_dict = BaseDict(dict_items, instance=doc, name="my_name")
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assert isinstance(base_dict._instance, Document)
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assert base_dict._name == "my_name"
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assert base_dict == dict_items
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def test_setdefault_calls_mark_as_changed(self):
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base_dict = self._get_basedict({})
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base_dict.setdefault("k", "v")
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assert base_dict._instance._changed_fields == [base_dict._name]
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def test_popitems_calls_mark_as_changed(self):
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base_dict = self._get_basedict({"k": "v"})
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assert base_dict.popitem() == ("k", "v")
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assert base_dict._instance._changed_fields == [base_dict._name]
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assert not base_dict
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def test_pop_calls_mark_as_changed(self):
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base_dict = self._get_basedict({"k": "v"})
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assert base_dict.pop("k") == "v"
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assert base_dict._instance._changed_fields == [base_dict._name]
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assert not base_dict
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def test_pop_calls_does_not_mark_as_changed_when_it_fails(self):
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base_dict = self._get_basedict({"k": "v"})
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with pytest.raises(KeyError):
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base_dict.pop("X")
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assert not base_dict._instance._changed_fields
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def test_clear_calls_mark_as_changed(self):
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base_dict = self._get_basedict({"k": "v"})
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base_dict.clear()
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assert base_dict._instance._changed_fields == ["my_name"]
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assert base_dict == {}
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def test___delitem___calls_mark_as_changed(self):
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base_dict = self._get_basedict({"k": "v"})
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del base_dict["k"]
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assert base_dict._instance._changed_fields == ["my_name.k"]
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assert base_dict == {}
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def test___getitem____KeyError(self):
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base_dict = self._get_basedict({})
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with pytest.raises(KeyError):
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base_dict["new"]
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def test___getitem____simple_value(self):
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base_dict = self._get_basedict({"k": "v"})
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base_dict["k"] = "v"
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def test___getitem____sublist_gets_converted_to_BaseList(self):
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base_dict = self._get_basedict({"k": [0, 1, 2]})
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sub_list = base_dict["k"]
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assert sub_list == [0, 1, 2]
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assert isinstance(sub_list, BaseList)
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assert sub_list._instance is base_dict._instance
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assert sub_list._name == "my_name.k"
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assert base_dict._instance._changed_fields == []
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# Challenge mark_as_changed from sublist
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sub_list[1] = None
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assert base_dict._instance._changed_fields == ["my_name.k.1"]
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def test___getitem____subdict_gets_converted_to_BaseDict(self):
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base_dict = self._get_basedict({"k": {"subk": "subv"}})
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sub_dict = base_dict["k"]
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assert sub_dict == {"subk": "subv"}
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assert isinstance(sub_dict, BaseDict)
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assert sub_dict._instance is base_dict._instance
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assert sub_dict._name == "my_name.k"
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assert base_dict._instance._changed_fields == []
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# Challenge mark_as_changed from subdict
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sub_dict["subk"] = None
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assert base_dict._instance._changed_fields == ["my_name.k.subk"]
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def test_get_sublist_gets_converted_to_BaseList_just_like__getitem__(self):
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base_dict = self._get_basedict({"k": [0, 1, 2]})
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sub_list = base_dict.get("k")
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assert sub_list == [0, 1, 2]
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assert isinstance(sub_list, BaseList)
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def test_get_returns_the_same_as___getitem__(self):
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base_dict = self._get_basedict({"k": [0, 1, 2]})
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get_ = base_dict.get("k")
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getitem_ = base_dict["k"]
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assert get_ == getitem_
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def test_get_default(self):
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base_dict = self._get_basedict({})
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sentinel = object()
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assert base_dict.get("new") is None
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assert base_dict.get("new", sentinel) is sentinel
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def test___setitem___calls_mark_as_changed(self):
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base_dict = self._get_basedict({})
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base_dict["k"] = "v"
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assert base_dict._instance._changed_fields == ["my_name.k"]
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assert base_dict == {"k": "v"}
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def test_update_calls_mark_as_changed(self):
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base_dict = self._get_basedict({})
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base_dict.update({"k": "v"})
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assert base_dict._instance._changed_fields == ["my_name"]
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def test___setattr____not_tracked_by_changes(self):
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base_dict = self._get_basedict({})
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base_dict.a_new_attr = "test"
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assert base_dict._instance._changed_fields == []
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def test___delattr____tracked_by_changes(self):
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# This is probably a bug as __setattr__ is not tracked
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# This is even bad because it could be that there is an attribute
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# with the same name as a key
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base_dict = self._get_basedict({})
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base_dict.a_new_attr = "test"
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del base_dict.a_new_attr
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assert base_dict._instance._changed_fields == ["my_name.a_new_attr"]
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class TestBaseList:
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@staticmethod
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def _get_baselist(list_items):
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"""Get a BaseList bound to a fake document instance"""
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fake_doc = DocumentStub()
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base_list = BaseList(list_items, instance=None, name="my_name")
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base_list._instance = (
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fake_doc # hack to inject the mock, it does not work in the constructor
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)
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return base_list
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def test___init___(self):
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class MyDoc(Document):
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pass
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list_items = [True]
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doc = MyDoc()
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base_list = BaseList(list_items, instance=doc, name="my_name")
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assert isinstance(base_list._instance, Document)
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assert base_list._name == "my_name"
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assert base_list == list_items
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def test___iter__(self):
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values = [True, False, True, False]
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base_list = BaseList(values, instance=None, name="my_name")
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assert values == list(base_list)
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def test___iter___allow_modification_while_iterating_withou_error(self):
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# regular list allows for this, thus this subclass must comply to that
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base_list = BaseList([True, False, True, False], instance=None, name="my_name")
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for idx, val in enumerate(base_list):
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if val:
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base_list.pop(idx)
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def test_append_calls_mark_as_changed(self):
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base_list = self._get_baselist([])
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assert not base_list._instance._changed_fields
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base_list.append(True)
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assert base_list._instance._changed_fields == ["my_name"]
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def test_subclass_append(self):
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# Due to the way mark_as_changed_wrapper is implemented
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# it is good to test subclasses
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class SubBaseList(BaseList):
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pass
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base_list = SubBaseList([], instance=None, name="my_name")
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base_list.append(True)
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def test___getitem__using_simple_index(self):
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base_list = self._get_baselist([0, 1, 2])
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assert base_list[0] == 0
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assert base_list[1] == 1
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assert base_list[-1] == 2
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def test___getitem__using_slice(self):
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base_list = self._get_baselist([0, 1, 2])
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assert base_list[1:3] == [1, 2]
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assert base_list[0:3:2] == [0, 2]
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def test___getitem___using_slice_returns_list(self):
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# Bug: using slice does not properly handles the instance
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# and mark_as_changed behaviour.
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base_list = self._get_baselist([0, 1, 2])
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sliced = base_list[1:3]
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assert sliced == [1, 2]
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assert isinstance(sliced, list)
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assert base_list._instance._changed_fields == []
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def test___getitem__sublist_returns_BaseList_bound_to_instance(self):
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base_list = self._get_baselist([[1, 2], [3, 4]])
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sub_list = base_list[0]
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assert sub_list == [1, 2]
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assert isinstance(sub_list, BaseList)
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assert sub_list._instance is base_list._instance
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assert sub_list._name == "my_name.0"
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assert base_list._instance._changed_fields == []
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# Challenge mark_as_changed from sublist
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sub_list[1] = None
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assert base_list._instance._changed_fields == ["my_name.0.1"]
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def test___getitem__subdict_returns_BaseList_bound_to_instance(self):
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base_list = self._get_baselist([{"subk": "subv"}])
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sub_dict = base_list[0]
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assert sub_dict == {"subk": "subv"}
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assert isinstance(sub_dict, BaseDict)
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assert sub_dict._instance is base_list._instance
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assert sub_dict._name == "my_name.0"
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assert base_list._instance._changed_fields == []
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# Challenge mark_as_changed from subdict
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sub_dict["subk"] = None
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assert base_list._instance._changed_fields == ["my_name.0.subk"]
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def test_extend_calls_mark_as_changed(self):
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base_list = self._get_baselist([])
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base_list.extend([True])
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assert base_list._instance._changed_fields == ["my_name"]
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def test_insert_calls_mark_as_changed(self):
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base_list = self._get_baselist([])
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base_list.insert(0, True)
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assert base_list._instance._changed_fields == ["my_name"]
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def test_remove_calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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base_list.remove(True)
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assert base_list._instance._changed_fields == ["my_name"]
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def test_remove_not_mark_as_changed_when_it_fails(self):
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base_list = self._get_baselist([True])
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with pytest.raises(ValueError):
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base_list.remove(False)
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assert not base_list._instance._changed_fields
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def test_pop_calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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base_list.pop()
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assert base_list._instance._changed_fields == ["my_name"]
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def test_reverse_calls_mark_as_changed(self):
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base_list = self._get_baselist([True, False])
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base_list.reverse()
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assert base_list._instance._changed_fields == ["my_name"]
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def test___delitem___calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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del base_list[0]
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assert base_list._instance._changed_fields == ["my_name"]
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def test___setitem___calls_with_full_slice_mark_as_changed(self):
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base_list = self._get_baselist([])
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base_list[:] = [
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0,
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1,
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]
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assert base_list._instance._changed_fields == ["my_name"]
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assert base_list == [0, 1]
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def test___setitem___calls_with_partial_slice_mark_as_changed(self):
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base_list = self._get_baselist([0, 1, 2])
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base_list[0:2] = [
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1,
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0,
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]
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assert base_list._instance._changed_fields == ["my_name"]
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assert base_list == [1, 0, 2]
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def test___setitem___calls_with_step_slice_mark_as_changed(self):
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base_list = self._get_baselist([0, 1, 2])
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base_list[0:3:2] = [-1, -2] # uses __setitem__
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assert base_list._instance._changed_fields == ["my_name"]
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assert base_list == [-1, 1, -2]
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def test___setitem___with_slice(self):
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base_list = self._get_baselist([0, 1, 2, 3, 4, 5])
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base_list[0:6:2] = [None, None, None]
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assert base_list._instance._changed_fields == ["my_name"]
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assert base_list == [None, 1, None, 3, None, 5]
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def test___setitem___item_0_calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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base_list[0] = False
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assert base_list._instance._changed_fields == ["my_name.0"]
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assert base_list == [False]
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def test___setitem___item_1_calls_mark_as_changed(self):
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base_list = self._get_baselist([True, True])
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base_list[1] = False
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assert base_list._instance._changed_fields == ["my_name.1"]
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assert base_list == [True, False]
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def test___delslice___calls_mark_as_changed(self):
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base_list = self._get_baselist([0, 1])
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del base_list[0:1]
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assert base_list._instance._changed_fields == ["my_name"]
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assert base_list == [1]
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def test___iadd___calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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base_list += [False]
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assert base_list._instance._changed_fields == ["my_name"]
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def test___imul___calls_mark_as_changed(self):
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base_list = self._get_baselist([True])
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assert base_list._instance._changed_fields == []
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base_list *= 2
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assert base_list._instance._changed_fields == ["my_name"]
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def test_sort_calls_not_marked_as_changed_when_it_fails(self):
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base_list = self._get_baselist([True])
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with pytest.raises(TypeError):
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base_list.sort(key=1)
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assert base_list._instance._changed_fields == []
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def test_sort_calls_mark_as_changed(self):
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base_list = self._get_baselist([True, False])
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base_list.sort()
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assert base_list._instance._changed_fields == ["my_name"]
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def test_sort_calls_with_key(self):
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base_list = self._get_baselist([1, 2, 11])
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base_list.sort(key=lambda i: str(i))
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assert base_list == [1, 11, 2]
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class TestStrictDict(unittest.TestCase):
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def setUp(self):
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self.dtype = self.strict_dict_class(("a", "b", "c"))
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def strict_dict_class(self, *args, **kwargs):
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return StrictDict.create(*args, **kwargs)
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def test_init(self):
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d = self.dtype(a=1, b=1, c=1)
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assert (d.a, d.b, d.c) == (1, 1, 1)
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def test_iterkeys(self):
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d = self.dtype(a=1)
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assert list(d.keys()) == ["a"]
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def test_len(self):
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d = self.dtype(a=1)
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assert len(d) == 1
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def test_pop(self):
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d = self.dtype(a=1)
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assert "a" in d
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d.pop("a")
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assert "a" not in d
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def test_repr(self):
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d = self.dtype(a=1, b=2, c=3)
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assert repr(d) == '{"a": 1, "b": 2, "c": 3}'
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# make sure quotes are escaped properly
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d = self.dtype(a='"', b="'", c="")
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assert repr(d) == '{"a": \'"\', "b": "\'", "c": \'\'}'
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def test_init_fails_on_nonexisting_attrs(self):
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with pytest.raises(AttributeError):
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self.dtype(a=1, b=2, d=3)
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def test_eq(self):
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d = self.dtype(a=1, b=1, c=1)
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dd = self.dtype(a=1, b=1, c=1)
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e = self.dtype(a=1, b=1, c=3)
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f = self.dtype(a=1, b=1)
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g = self.strict_dict_class(("a", "b", "c", "d"))(a=1, b=1, c=1, d=1)
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h = self.strict_dict_class(("a", "c", "b"))(a=1, b=1, c=1)
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i = self.strict_dict_class(("a", "c", "b"))(a=1, b=1, c=2)
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assert d == dd
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assert d != e
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assert d != f
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assert d != g
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assert f != d
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assert d == h
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assert d != i
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def test_setattr_getattr(self):
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d = self.dtype()
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d.a = 1
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assert d.a == 1
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with pytest.raises(AttributeError):
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getattr(d, "b")
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def test_setattr_raises_on_nonexisting_attr(self):
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d = self.dtype()
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with pytest.raises(AttributeError):
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d.x = 1
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def test_setattr_getattr_special(self):
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d = self.strict_dict_class(["items"])
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d.items = 1
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assert d.items == 1
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def test_get(self):
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d = self.dtype(a=1)
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assert d.get("a") == 1
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assert d.get("b", "bla") == "bla"
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def test_items(self):
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d = self.dtype(a=1)
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assert d.items() == [("a", 1)]
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d = self.dtype(a=1, b=2)
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assert d.items() == [("a", 1), ("b", 2)]
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def test_mappings_protocol(self):
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d = self.dtype(a=1, b=2)
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assert dict(d) == {"a": 1, "b": 2}
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assert dict(**d) == {"a": 1, "b": 2}
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if __name__ == "__main__":
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unittest.main()
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