dev(hansbug): move CustomMapping for test.testings

test/testings/__init__.py

@@ -0,0 +1 @@
+from .mapping import CustomMapping

test/testings/mapping.py

@@ -0,0 +1,15 @@
+import collections.abc
+
+
+class CustomMapping(collections.abc.Mapping):
+    def __init__(self, **kwargs):
+        self._kwargs = kwargs
+
+    def __getitem__(self, __key):
+        return self._kwargs[__key]
+
+    def __len__(self):
+        return len(self._kwargs)
+
+    def __iter__(self):
+        yield from self._kwargs

test/tree/general/base.py

@@ -11,21 +11,9 @@
 from treevalue import register_dict_type
 from treevalue.tree import func_treelize, TreeValue, raw, mapping, delayed, FastTreeValue
 from ..tree.base import get_treevalue_test
+from ...testings import CustomMapping
 
 
-class CustomMapping(collections.abc.Mapping):
-    def __init__(self, **kwargs):
-        self._kwargs = kwargs
-
-    def __getitem__(self, __key):
-        return self._kwargs[__key]
-
-    def __len__(self):
-        return len(self._kwargs)
-
-    def __iter__(self):
-        yield from self._kwargs
-
 
 def get_fasttreevalue_test(treevalue_class: Type[FastTreeValue]):
     class Container:

test/tree/tree/base.py

@@ -1,4 +1,3 @@
-import collections.abc
 import pickle
 import re
 import unittest
@@ -11,6 +10,7 @@
 from treevalue import raw, TreeValue, delayed, ValidationError, register_dict_type
 from treevalue.tree.common import create_storage
 from treevalue.tree.tree.constraint import cleaf
+from ...testings import CustomMapping
 
 try:
     _ = reversed({}.keys())
@@ -44,20 +44,6 @@ def __hash__(self):
         return hash((self.__value,))
 
 
-class CustomMapping(collections.abc.Mapping):
-    def __init__(self, **kwargs):
-        self._kwargs = kwargs
-
-    def __getitem__(self, __key):
-        return self._kwargs[__key]
-
-    def __len__(self):
-        return len(self._kwargs)
-
-    def __iter__(self):
-        yield from self._kwargs
-
-
 def get_treevalue_test(treevalue_class: Type[TreeValue]):
     # noinspection DuplicatedCode,PyMethodMayBeStatic