[FEATURE] Implement TupleFilesystemStoreBackend::get_all (#9687)

great_expectations/data_context/store/tuple_store_backend.py

@@ -316,7 +316,8 @@ def _get(self, key):
 
     @override
     def _get_all(self) -> list[Any]:
-        raise NotImplementedError
+        keys = [key for key in self.list_keys() if key != StoreBackend.STORE_BACKEND_ID_KEY]
+        return [self._get(key) for key in keys]
 
     def _set(self, key, value, **kwargs):
         if not isinstance(key, tuple):

tests/data_context/store/test_store_backends.py

@@ -476,6 +476,29 @@ def test_TupleFilesystemStoreBackend(tmp_path_factory):
     assert url == "http://www.test.com/my_file_CCC"
 
 
+@pytest.mark.filesystem
+def test_TupleFilesystemStoreBackend_get_all(tmp_path_factory):
+    path = "dummy_str"
+    full_test_dir = tmp_path_factory.mktemp("test_TupleFilesystemStoreBackend__dir")
+    project_path = str(full_test_dir)
+
+    my_store = TupleFilesystemStoreBackend(
+        root_directory=project_path,
+        base_directory=os.path.join(project_path, path),  # noqa: PTH118
+        filepath_template="my_file_{0}",
+    )
+
+    value_a = "aaa"
+    value_b = "bbb"
+
+    my_store.set(("AAA",), value_a)
+    my_store.set(("BBB",), value_b)
+
+    all_values = my_store.get_all()
+
+    assert sorted(all_values) == [value_a, value_b]
+
+
 @pytest.mark.filesystem
 def test_TupleFilesystemStoreBackend_ignores_jupyter_notebook_checkpoints(
     tmp_path_factory,