X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_common%2Ftests%2Ftest_dbmemory.py;h=3c4552783fa5b67b2d2f739b28ce26496052861e;hb=2644b76248a1b96f7a47013b414e31b4e3feecf8;hp=f73c317c74875ea2ea6a092b3a42916155975c9e;hpb=857731b9e8361672cb255dc059aac866a4a2575e;p=osm%2Fcommon.git

diff --git a/osm_common/tests/test_dbmemory.py b/osm_common/tests/test_dbmemory.py
index f73c317..3c45527 100644
--- a/osm_common/tests/test_dbmemory.py
+++ b/osm_common/tests/test_dbmemory.py
@@ -1,21 +1,45 @@
+# Copyright 2018 Whitestack, LLC
+# Copyright 2018 Telefonica S.A.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: esousa@whitestack.com or alfonso.tiernosepulveda@telefonica.com
+##
+
 import http
 import logging
 import pytest
+import unittest
+from unittest.mock import Mock
 
 from unittest.mock import MagicMock
 from osm_common.dbbase import DbException
 from osm_common.dbmemory import DbMemory
+from copy import deepcopy
 
-__author__ = 'Eduardo Sousa <eduardosousa@av.it.pt>'
+__author__ = "Eduardo Sousa <eduardosousa@av.it.pt>"
 
-@pytest.fixture
-def db_memory():
-    db = DbMemory()
+
+@pytest.fixture(scope="function", params=[True, False])
+def db_memory(request):
+    db = DbMemory(lock=request.param)
     return db
 
-@pytest.fixture
-def db_memory_with_data():
-    db = DbMemory()
+
+@pytest.fixture(scope="function", params=[True, False])
+def db_memory_with_data(request):
+    db = DbMemory(lock=request.param)
 
     db.create("test", {"_id": 1, "data": 1})
     db.create("test", {"_id": 2, "data": 2})
@@ -24,208 +48,378 @@ def db_memory_with_data():
     return db
 
 
+@pytest.fixture(scope="function")
+def db_memory_with_many_data(request):
+    db = DbMemory(lock=False)
+
+    db.create_list(
+        "test",
+        [
+            {
+                "_id": 1,
+                "data": {"data2": {"data3": 1}},
+                "list": [{"a": 1}],
+                "text": "sometext",
+            },
+            {
+                "_id": 2,
+                "data": {"data2": {"data3": 2}},
+                "list": [{"a": 2}],
+                "list2": [1, 2, 3],
+            },
+            {"_id": 3, "data": {"data2": {"data3": 3}}, "list": [{"a": 3}]},
+            {"_id": 4, "data": {"data2": {"data3": 4}}, "list": [{"a": 4}, {"a": 0}]},
+            {"_id": 5, "data": {"data2": {"data3": 5}}, "list": [{"a": 5}]},
+            {"_id": 6, "data": {"data2": {"data3": 6}}, "list": [{"0": {"a": 1}}]},
+            {"_id": 7, "data": {"data2": {"data3": 7}}, "0": {"a": 0}},
+            {
+                "_id": 8,
+                "list": [
+                    {"a": 3, "b": 0, "c": [{"a": 3, "b": 1}, {"a": 0, "b": "v"}]},
+                    {"a": 0, "b": 1},
+                ],
+            },
+        ],
+    )
+    return db
+
 
 def empty_exception_message():
-    return 'database exception '
+    return "database exception "
+
+
+def get_one_exception_message(db_filter):
+    return "database exception Not found entry with filter='{}'".format(db_filter)
 
-def get_one_exception_message(filter):
-    return "database exception Not found entry with filter='{}'".format(filter)
 
-def get_one_multiple_exception_message(filter):
-    return "database exception Found more than one entry with filter='{}'".format(filter)
+def get_one_multiple_exception_message(db_filter):
+    return "database exception Found more than one entry with filter='{}'".format(
+        db_filter
+    )
 
-def del_one_exception_message(filter):
-    return "database exception Not found entry with filter='{}'".format(filter)
 
-def replace_exception_message(filter):
-    return "database exception Not found entry with filter='{}'".format(filter)
+def del_one_exception_message(db_filter):
+    return "database exception Not found entry with filter='{}'".format(db_filter)
+
+
+def replace_exception_message(value):
+    return "database exception Not found entry with _id='{}'".format(value)
+
 
 def test_constructor():
     db = DbMemory()
+    assert db.logger == logging.getLogger("db")
+    assert db.db == {}
 
-    assert db.logger == logging.getLogger('db')
-    assert len(db.db) == 0
 
 def test_constructor_with_logger():
-    logger_name = 'db_local'
-
+    logger_name = "db_local"
     db = DbMemory(logger_name=logger_name)
-
     assert db.logger == logging.getLogger(logger_name)
-    assert len(db.db) == 0
+    assert db.db == {}
 
-def test_db_connect():
-    logger_name = 'db_local'
-    config = {'logger_name': logger_name}
 
+def test_db_connect():
+    logger_name = "db_local"
+    config = {"logger_name": logger_name}
     db = DbMemory()
     db.db_connect(config)
-
     assert db.logger == logging.getLogger(logger_name)
-    assert len(db.db) == 0
+    assert db.db == {}
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {}),
-    ("test", {"_id": 1}),
-    ("test", {"data": 1}),
-    ("test", {"_id": 1, "data": 1}),
-])
-def test_get_list_with_empty_db(db_memory, table, filter):
-    result = db_memory.get_list(table, filter)
 
+def test_db_disconnect(db_memory):
+    db_memory.db_disconnect()
+
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {}),
+        ("test", {"_id": 1}),
+        ("test", {"data": 1}),
+        ("test", {"_id": 1, "data": 1}),
+    ],
+)
+def test_get_list_with_empty_db(db_memory, table, db_filter):
+    result = db_memory.get_list(table, db_filter)
     assert len(result) == 0
 
-@pytest.mark.parametrize("table, filter, expected_data", [
-    ("test", {}, [{"_id": 1, "data": 1}, {"_id": 2, "data": 2}, {"_id": 3, "data": 3}]),
-    ("test", {"_id": 1}, [{"_id": 1, "data": 1}]),
-    ("test", {"data": 1}, [{"_id": 1, "data": 1}]),
-    ("test", {"_id": 1, "data": 1}, [{"_id": 1, "data": 1}]),
-    ("test", {"_id": 2}, [{"_id": 2, "data": 2}]),
-    ("test", {"data": 2}, [{"_id": 2, "data": 2}]),
-    ("test", {"_id": 2, "data": 2}, [{"_id": 2, "data": 2}]),
-    ("test", {"_id": 4}, []),
-    ("test", {"data": 4}, []),
-    ("test", {"_id": 4, "data": 4}, []),
-    ("test_table", {}, []),
-    ("test_table", {"_id": 1}, []),
-    ("test_table", {"data": 1}, []),
-    ("test_table", {"_id": 1, "data": 1}, []),
-])
-def test_get_list_with_non_empty_db(db_memory_with_data, table, filter, expected_data):
-    result = db_memory_with_data.get_list(table, filter)
 
+@pytest.mark.parametrize(
+    "table, db_filter, expected_data",
+    [
+        (
+            "test",
+            {},
+            [{"_id": 1, "data": 1}, {"_id": 2, "data": 2}, {"_id": 3, "data": 3}],
+        ),
+        ("test", {"_id": 1}, [{"_id": 1, "data": 1}]),
+        ("test", {"data": 1}, [{"_id": 1, "data": 1}]),
+        ("test", {"_id": 1, "data": 1}, [{"_id": 1, "data": 1}]),
+        ("test", {"_id": 2}, [{"_id": 2, "data": 2}]),
+        ("test", {"data": 2}, [{"_id": 2, "data": 2}]),
+        ("test", {"_id": 2, "data": 2}, [{"_id": 2, "data": 2}]),
+        ("test", {"_id": 4}, []),
+        ("test", {"data": 4}, []),
+        ("test", {"_id": 4, "data": 4}, []),
+        ("test_table", {}, []),
+        ("test_table", {"_id": 1}, []),
+        ("test_table", {"data": 1}, []),
+        ("test_table", {"_id": 1, "data": 1}, []),
+    ],
+)
+def test_get_list_with_non_empty_db(
+    db_memory_with_data, table, db_filter, expected_data
+):
+    result = db_memory_with_data.get_list(table, db_filter)
     assert len(result) == len(expected_data)
     for data in expected_data:
         assert data in result
 
-def test_get_list_exception(db_memory_with_data):
-    table = 'test'
-    filter = {}
 
+def test_get_list_exception(db_memory_with_data):
+    table = "test"
+    db_filter = {}
     db_memory_with_data._find = MagicMock(side_effect=Exception())
-
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.get_list(table, filter)
+        db_memory_with_data.get_list(table, db_filter)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, expected_data", [
-    ("test", {"_id": 1}, {"_id": 1, "data": 1}),
-    ("test", {"_id": 2}, {"_id": 2, "data": 2}),
-    ("test", {"_id": 3}, {"_id": 3, "data": 3}),
-    ("test", {"data": 1}, {"_id": 1, "data": 1}),
-    ("test", {"data": 2}, {"_id": 2, "data": 2}),
-    ("test", {"data": 3}, {"_id": 3, "data": 3}),
-    ("test", {"_id": 1, "data": 1}, {"_id": 1, "data": 1}),
-    ("test", {"_id": 2, "data": 2}, {"_id": 2, "data": 2}),
-    ("test", {"_id": 3, "data": 3}, {"_id": 3, "data": 3}),
-])
-def test_get_one(db_memory_with_data, table, filter, expected_data):
-    result = db_memory_with_data.get_one(table, filter)
 
+@pytest.mark.parametrize(
+    "table, db_filter, expected_data",
+    [
+        ("test", {"_id": 1}, {"_id": 1, "data": 1}),
+        ("test", {"_id": 2}, {"_id": 2, "data": 2}),
+        ("test", {"_id": 3}, {"_id": 3, "data": 3}),
+        ("test", {"data": 1}, {"_id": 1, "data": 1}),
+        ("test", {"data": 2}, {"_id": 2, "data": 2}),
+        ("test", {"data": 3}, {"_id": 3, "data": 3}),
+        ("test", {"_id": 1, "data": 1}, {"_id": 1, "data": 1}),
+        ("test", {"_id": 2, "data": 2}, {"_id": 2, "data": 2}),
+        ("test", {"_id": 3, "data": 3}, {"_id": 3, "data": 3}),
+    ],
+)
+def test_get_one(db_memory_with_data, table, db_filter, expected_data):
+    result = db_memory_with_data.get_one(table, db_filter)
     assert result == expected_data
     assert len(db_memory_with_data.db) == 1
     assert table in db_memory_with_data.db
     assert len(db_memory_with_data.db[table]) == 3
     assert result in db_memory_with_data.db[table]
 
-@pytest.mark.parametrize("table, filter, expected_data", [
-    ("test", {}, {"_id": 1, "data": 1}),
-])
-def test_get_one_with_multiple_results(db_memory_with_data, table, filter, expected_data):
-    result = db_memory_with_data.get_one(table, filter, fail_on_more=False)
 
+@pytest.mark.parametrize(
+    "db_filter, expected_ids",
+    [
+        ({}, [1, 2, 3, 4, 5, 6, 7, 8]),
+        ({"_id": 1}, [1]),
+        ({"data.data2.data3": 2}, [2]),
+        ({"data.data2.data3.eq": 2}, [2]),
+        ({"data.data2.data3": [2]}, [2]),
+        ({"data.data2.data3.cont": [2]}, [2]),
+        ({"data.data2.data3.neq": 2}, [1, 3, 4, 5, 6, 7, 8]),
+        ({"data.data2.data3.neq": [2]}, [1, 3, 4, 5, 6, 7, 8]),
+        ({"data.data2.data3.ncont": [2]}, [1, 3, 4, 5, 6, 7, 8]),
+        ({"data.data2.data3": [2, 3]}, [2, 3]),
+        ({"data.data2.data3.gt": 4}, [5, 6, 7]),
+        ({"data.data2.data3.gte": 4}, [4, 5, 6, 7]),
+        ({"data.data2.data3.lt": 4}, [1, 2, 3]),
+        ({"data.data2.data3.lte": 4}, [1, 2, 3, 4]),
+        ({"data.data2.data3.lte": 4.5}, [1, 2, 3, 4]),
+        ({"data.data2.data3.gt": "text"}, []),
+        ({"nonexist.nonexist": "4"}, []),
+        ({"nonexist.nonexist": None}, [1, 2, 3, 4, 5, 6, 7, 8]),
+        ({"nonexist.nonexist.neq": "4"}, [1, 2, 3, 4, 5, 6, 7, 8]),
+        ({"nonexist.nonexist.neq": None}, []),
+        ({"text.eq": "sometext"}, [1]),
+        ({"text.neq": "sometext"}, [2, 3, 4, 5, 6, 7, 8]),
+        ({"text.eq": "somet"}, []),
+        ({"text.gte": "a"}, [1]),
+        ({"text.gte": "somet"}, [1]),
+        ({"text.gte": "sometext"}, [1]),
+        ({"text.lt": "somet"}, []),
+        ({"data.data2.data3": 2, "data.data2.data4": None}, [2]),
+        ({"data.data2.data3": 2, "data.data2.data4": 5}, []),
+        ({"data.data2.data3": 4}, [4]),
+        ({"data.data2.data3": [3, 4, "e"]}, [3, 4]),
+        ({"data.data2.data3": None}, [8]),
+        ({"data.data2": "4"}, []),
+        ({"list.0.a": 1}, [1, 6]),
+        ({"list2": 1}, [2]),
+        ({"list2": [1, 5]}, [2]),
+        ({"list2": [1, 2]}, [2]),
+        ({"list2": [5, 7]}, []),
+        ({"list.ANYINDEX.a": 1}, [1]),
+        ({"list.a": 3, "list.b": 1}, [8]),
+        ({"list.ANYINDEX.a": 3, "list.ANYINDEX.b": 1}, []),
+        ({"list.ANYINDEX.a": 3, "list.ANYINDEX.c.a": 3}, [8]),
+        ({"list.ANYINDEX.a": 3, "list.ANYINDEX.b": 0}, [8]),
+        (
+            {
+                "list.ANYINDEX.a": 3,
+                "list.ANYINDEX.c.ANYINDEX.a": 0,
+                "list.ANYINDEX.c.ANYINDEX.b": "v",
+            },
+            [8],
+        ),
+        (
+            {
+                "list.ANYINDEX.a": 3,
+                "list.ANYINDEX.c.ANYINDEX.a": 0,
+                "list.ANYINDEX.c.ANYINDEX.b": 1,
+            },
+            [],
+        ),
+        ({"list.c.b": 1}, [8]),
+        ({"list.c.b": None}, [1, 2, 3, 4, 5, 6, 7]),
+        # ({"data.data2.data3": 4}, []),
+        # ({"data.data2.data3": 4}, []),
+    ],
+)
+def test_get_list(db_memory_with_many_data, db_filter, expected_ids):
+    result = db_memory_with_many_data.get_list("test", db_filter)
+    assert isinstance(result, list)
+    result_ids = [item["_id"] for item in result]
+    assert len(result) == len(
+        expected_ids
+    ), "for db_filter={} result={} expected_ids={}".format(
+        db_filter, result, result_ids
+    )
+    assert result_ids == expected_ids
+    for i in range(len(result)):
+        assert result[i] in db_memory_with_many_data.db["test"]
+
+    assert len(db_memory_with_many_data.db) == 1
+    assert "test" in db_memory_with_many_data.db
+    assert len(db_memory_with_many_data.db["test"]) == 8
+    result = db_memory_with_many_data.count("test", db_filter)
+    assert result == len(expected_ids)
+
+
+@pytest.mark.parametrize(
+    "table, db_filter, expected_data", [("test", {}, {"_id": 1, "data": 1})]
+)
+def test_get_one_with_multiple_results(
+    db_memory_with_data, table, db_filter, expected_data
+):
+    result = db_memory_with_data.get_one(table, db_filter, fail_on_more=False)
     assert result == expected_data
     assert len(db_memory_with_data.db) == 1
     assert table in db_memory_with_data.db
     assert len(db_memory_with_data.db[table]) == 3
     assert result in db_memory_with_data.db[table]
 
+
 def test_get_one_with_multiple_results_exception(db_memory_with_data):
     table = "test"
-    filter = {}
-
+    db_filter = {}
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.get_one(table, filter)
-
-    assert str(excinfo.value) == (empty_exception_message() + get_one_multiple_exception_message(filter))
-#    assert excinfo.value.http_code == http.HTTPStatus.CONFLICT
-
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"data": 4}),
-    ("test", {"_id": 4, "data": 4}),
-    ("test_table", {"_id": 4}),
-    ("test_table", {"data": 4}),
-    ("test_table", {"_id": 4, "data": 4}),
-])
-def test_get_one_with_non_empty_db_exception(db_memory_with_data, table, filter):
+        db_memory_with_data.get_one(table, db_filter)
+    assert str(excinfo.value) == (
+        empty_exception_message() + get_one_multiple_exception_message(db_filter)
+    )
+    # assert excinfo.value.http_code == http.HTTPStatus.CONFLICT
+
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"data": 4}),
+        ("test", {"_id": 4, "data": 4}),
+        ("test_table", {"_id": 4}),
+        ("test_table", {"data": 4}),
+        ("test_table", {"_id": 4, "data": 4}),
+    ],
+)
+def test_get_one_with_non_empty_db_exception(db_memory_with_data, table, db_filter):
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.get_one(table, filter)
-    assert str(excinfo.value) == (empty_exception_message() + get_one_exception_message(filter))
+        db_memory_with_data.get_one(table, db_filter)
+    assert str(excinfo.value) == (
+        empty_exception_message() + get_one_exception_message(db_filter)
+    )
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"data": 4}),
-    ("test", {"_id": 4, "data": 4}),
-    ("test_table", {"_id": 4}),
-    ("test_table", {"data": 4}),
-    ("test_table", {"_id": 4, "data": 4}),
-])
-def test_get_one_with_non_empty_db_none(db_memory_with_data, table, filter):
-    result = db_memory_with_data.get_one(table, filter, fail_on_empty=False)
-    
-    assert result == None
-
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"data": 4}),
-    ("test", {"_id": 4, "data": 4}),
-    ("test_table", {"_id": 4}),
-    ("test_table", {"data": 4}),
-    ("test_table", {"_id": 4, "data": 4}),
-])
-def test_get_one_with_empty_db_exception(db_memory, table, filter):
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"data": 4}),
+        ("test", {"_id": 4, "data": 4}),
+        ("test_table", {"_id": 4}),
+        ("test_table", {"data": 4}),
+        ("test_table", {"_id": 4, "data": 4}),
+    ],
+)
+def test_get_one_with_non_empty_db_none(db_memory_with_data, table, db_filter):
+    result = db_memory_with_data.get_one(table, db_filter, fail_on_empty=False)
+    assert result is None
+
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"data": 4}),
+        ("test", {"_id": 4, "data": 4}),
+        ("test_table", {"_id": 4}),
+        ("test_table", {"data": 4}),
+        ("test_table", {"_id": 4, "data": 4}),
+    ],
+)
+def test_get_one_with_empty_db_exception(db_memory, table, db_filter):
     with pytest.raises(DbException) as excinfo:
-        db_memory.get_one(table, filter)
-    assert str(excinfo.value) == (empty_exception_message() + get_one_exception_message(filter))
+        db_memory.get_one(table, db_filter)
+    assert str(excinfo.value) == (
+        empty_exception_message() + get_one_exception_message(db_filter)
+    )
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"data": 4}),
-    ("test", {"_id": 4, "data": 4}),
-    ("test_table", {"_id": 4}),
-    ("test_table", {"data": 4}),
-    ("test_table", {"_id": 4, "data": 4}),
-])
-def test_get_one_with_empty_db_none(db_memory, table, filter):
-    result = db_memory.get_one(table, filter, fail_on_empty=False)
-    
-    assert result == None
 
-def test_get_one_generic_exception(db_memory_with_data):
-    table = 'test'
-    filter = {}
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"data": 4}),
+        ("test", {"_id": 4, "data": 4}),
+        ("test_table", {"_id": 4}),
+        ("test_table", {"data": 4}),
+        ("test_table", {"_id": 4, "data": 4}),
+    ],
+)
+def test_get_one_with_empty_db_none(db_memory, table, db_filter):
+    result = db_memory.get_one(table, db_filter, fail_on_empty=False)
+    assert result is None
 
-    db_memory_with_data._find = MagicMock(side_effect=Exception())
 
+def test_get_one_generic_exception(db_memory_with_data):
+    table = "test"
+    db_filter = {}
+    db_memory_with_data._find = MagicMock(side_effect=Exception())
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.get_one(table, filter)
+        db_memory_with_data.get_one(table, db_filter)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, expected_data", [
-    ("test", {}, []),
-    ("test", {"_id": 1}, [{"_id": 2, "data": 2}, {"_id": 3, "data": 3}]), 
-    ("test", {"_id": 2}, [{"_id": 1, "data": 1}, {"_id": 3, "data": 3}]), 
-    ("test", {"_id": 1, "data": 1}, [{"_id": 2, "data": 2}, {"_id": 3, "data": 3}]),
-    ("test", {"_id": 2, "data": 2}, [{"_id": 1, "data": 1}, {"_id": 3, "data": 3}]),
-])
-def test_del_list_with_non_empty_db(db_memory_with_data, table, filter, expected_data):
-    result = db_memory_with_data.del_list(table, filter)
 
+@pytest.mark.parametrize(
+    "table, db_filter, expected_data",
+    [
+        ("test", {}, []),
+        ("test", {"_id": 1}, [{"_id": 2, "data": 2}, {"_id": 3, "data": 3}]),
+        ("test", {"_id": 2}, [{"_id": 1, "data": 1}, {"_id": 3, "data": 3}]),
+        ("test", {"_id": 1, "data": 1}, [{"_id": 2, "data": 2}, {"_id": 3, "data": 3}]),
+        ("test", {"_id": 2, "data": 2}, [{"_id": 1, "data": 1}, {"_id": 3, "data": 3}]),
+    ],
+)
+def test_del_list_with_non_empty_db(
+    db_memory_with_data, table, db_filter, expected_data
+):
+    result = db_memory_with_data.del_list(table, db_filter)
     assert result["deleted"] == (3 - len(expected_data))
     assert len(db_memory_with_data.db) == 1
     assert table in db_memory_with_data.db
@@ -233,368 +427,729 @@ def test_del_list_with_non_empty_db(db_memory_with_data, table, filter, expected
     for data in expected_data:
         assert data in db_memory_with_data.db[table]
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {}),
-    ("test", {"_id": 1}),
-    ("test", {"_id": 2}),
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test", {"_id": 1, "data": 1}),
-    ("test", {"_id": 2, "data": 2}),
-])
-def test_del_list_with_empty_db(db_memory, table, filter):
-    result = db_memory.del_list(table, filter)
-    assert result['deleted'] == 0
 
-def test_del_list_generic_exception(db_memory_with_data):
-    table = 'test'
-    filter = {}
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {}),
+        ("test", {"_id": 1}),
+        ("test", {"_id": 2}),
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test", {"_id": 1, "data": 1}),
+        ("test", {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_list_with_empty_db(db_memory, table, db_filter):
+    result = db_memory.del_list(table, db_filter)
+    assert result["deleted"] == 0
 
-    db_memory_with_data._find = MagicMock(side_effect=Exception())
 
+def test_del_list_generic_exception(db_memory_with_data):
+    table = "test"
+    db_filter = {}
+    db_memory_with_data._find = MagicMock(side_effect=Exception())
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.del_list(table, filter)
+        db_memory_with_data.del_list(table, db_filter)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, data", [
-    ("test", {}, {"_id": 1, "data": 1}),
-    ("test", {"_id": 1}, {"_id": 1, "data": 1}),
-    ("test", {"data": 1}, {"_id": 1, "data": 1}),
-    ("test", {"_id": 1, "data": 1}, {"_id": 1, "data": 1}),
-    ("test", {"_id": 2}, {"_id": 2, "data": 2}),
-    ("test", {"data": 2}, {"_id": 2, "data": 2}),
-    ("test", {"_id": 2, "data": 2}, {"_id": 2, "data": 2}),
-])
-def test_del_one(db_memory_with_data, table, filter, data):
-    result = db_memory_with_data.del_one(table, filter)
 
+@pytest.mark.parametrize(
+    "table, db_filter, data",
+    [
+        ("test", {}, {"_id": 1, "data": 1}),
+        ("test", {"_id": 1}, {"_id": 1, "data": 1}),
+        ("test", {"data": 1}, {"_id": 1, "data": 1}),
+        ("test", {"_id": 1, "data": 1}, {"_id": 1, "data": 1}),
+        ("test", {"_id": 2}, {"_id": 2, "data": 2}),
+        ("test", {"data": 2}, {"_id": 2, "data": 2}),
+        ("test", {"_id": 2, "data": 2}, {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_one(db_memory_with_data, table, db_filter, data):
+    result = db_memory_with_data.del_one(table, db_filter)
     assert result == {"deleted": 1}
     assert len(db_memory_with_data.db) == 1
     assert table in db_memory_with_data.db
     assert len(db_memory_with_data.db[table]) == 2
     assert data not in db_memory_with_data.db[table]
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {}),
-    ("test", {"_id": 1}),
-    ("test", {"_id": 2}),
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test", {"_id": 1, "data": 1}),
-    ("test", {"_id": 2, "data": 2}),
-    ("test_table", {}),
-    ("test_table", {"_id": 1}),
-    ("test_table", {"_id": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"_id": 1, "data": 1}),
-    ("test_table", {"_id": 2, "data": 2}),
-])
-def test_del_one_with_empty_db_exception(db_memory, table, filter):
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {}),
+        ("test", {"_id": 1}),
+        ("test", {"_id": 2}),
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test", {"_id": 1, "data": 1}),
+        ("test", {"_id": 2, "data": 2}),
+        ("test_table", {}),
+        ("test_table", {"_id": 1}),
+        ("test_table", {"_id": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"_id": 1, "data": 1}),
+        ("test_table", {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_one_with_empty_db_exception(db_memory, table, db_filter):
     with pytest.raises(DbException) as excinfo:
-        db_memory.del_one(table, filter)
-    assert str(excinfo.value) == (empty_exception_message() + del_one_exception_message(filter))
+        db_memory.del_one(table, db_filter)
+    assert str(excinfo.value) == (
+        empty_exception_message() + del_one_exception_message(db_filter)
+    )
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {}),
-    ("test", {"_id": 1}),
-    ("test", {"_id": 2}),
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test", {"_id": 1, "data": 1}),
-    ("test", {"_id": 2, "data": 2}),
-    ("test_table", {}),
-    ("test_table", {"_id": 1}),
-    ("test_table", {"_id": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"_id": 1, "data": 1}),
-    ("test_table", {"_id": 2, "data": 2}),
-])
-def test_del_one_with_empty_db_none(db_memory, table, filter):
-    result = db_memory.del_one(table, filter, fail_on_empty=False)
-
-    assert result == None
-
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"_id": 5}),
-    ("test", {"data": 4}),
-    ("test", {"data": 5}),
-    ("test", {"_id": 1, "data": 2}),
-    ("test", {"_id": 2, "data": 3}),
-    ("test_table", {}),
-    ("test_table", {"_id": 1}),
-    ("test_table", {"_id": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"_id": 1, "data": 1}),
-    ("test_table", {"_id": 2, "data": 2}),
-])
-def test_del_one_with_non_empty_db_exception(db_memory_with_data, table, filter):
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {}),
+        ("test", {"_id": 1}),
+        ("test", {"_id": 2}),
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test", {"_id": 1, "data": 1}),
+        ("test", {"_id": 2, "data": 2}),
+        ("test_table", {}),
+        ("test_table", {"_id": 1}),
+        ("test_table", {"_id": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"_id": 1, "data": 1}),
+        ("test_table", {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_one_with_empty_db_none(db_memory, table, db_filter):
+    result = db_memory.del_one(table, db_filter, fail_on_empty=False)
+    assert result is None
+
+
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"_id": 5}),
+        ("test", {"data": 4}),
+        ("test", {"data": 5}),
+        ("test", {"_id": 1, "data": 2}),
+        ("test", {"_id": 2, "data": 3}),
+        ("test_table", {}),
+        ("test_table", {"_id": 1}),
+        ("test_table", {"_id": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"_id": 1, "data": 1}),
+        ("test_table", {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_one_with_non_empty_db_exception(db_memory_with_data, table, db_filter):
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.del_one(table, filter)
-    assert str(excinfo.value) == (empty_exception_message() + del_one_exception_message(filter))
+        db_memory_with_data.del_one(table, db_filter)
+    assert str(excinfo.value) == (
+        empty_exception_message() + del_one_exception_message(db_filter)
+    )
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter", [
-    ("test", {"_id": 4}),
-    ("test", {"_id": 5}),
-    ("test", {"data": 4}),
-    ("test", {"data": 5}),
-    ("test", {"_id": 1, "data": 2}),
-    ("test", {"_id": 2, "data": 3}),
-    ("test_table", {}),
-    ("test_table", {"_id": 1}),
-    ("test_table", {"_id": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"_id": 1, "data": 1}),
-    ("test_table", {"_id": 2, "data": 2}),
-])
-def test_del_one_with_non_empty_db_none(db_memory_with_data, table, filter):
-    result = db_memory_with_data.del_one(table, filter, fail_on_empty=False)
-
-    assert result == None
-
-@pytest.mark.parametrize("fail_on_empty", [
-    (True),
-    (False),
-])
-def test_del_one_generic_exception(db_memory_with_data, fail_on_empty):
-    table = 'test'
-    filter = {}
 
+@pytest.mark.parametrize(
+    "table, db_filter",
+    [
+        ("test", {"_id": 4}),
+        ("test", {"_id": 5}),
+        ("test", {"data": 4}),
+        ("test", {"data": 5}),
+        ("test", {"_id": 1, "data": 2}),
+        ("test", {"_id": 2, "data": 3}),
+        ("test_table", {}),
+        ("test_table", {"_id": 1}),
+        ("test_table", {"_id": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"_id": 1, "data": 1}),
+        ("test_table", {"_id": 2, "data": 2}),
+    ],
+)
+def test_del_one_with_non_empty_db_none(db_memory_with_data, table, db_filter):
+    result = db_memory_with_data.del_one(table, db_filter, fail_on_empty=False)
+    assert result is None
+
+
+@pytest.mark.parametrize("fail_on_empty", [(True), (False)])
+def test_del_one_generic_exception(db_memory_with_data, fail_on_empty):
+    table = "test"
+    db_filter = {}
     db_memory_with_data._find = MagicMock(side_effect=Exception())
-
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.del_one(table, filter, fail_on_empty=fail_on_empty)
+        db_memory_with_data.del_one(table, db_filter, fail_on_empty=fail_on_empty)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, indata", [
-    ("test", {}, {"_id": 1, "data": 42}),
-    ("test", {}, {"_id": 3, "data": 42}),
-    ("test", {"_id": 1}, {"_id": 3, "data": 42}),
-    ("test", {"_id": 3}, {"_id": 3, "data": 42}),
-    ("test", {"data": 1}, {"_id": 3, "data": 42}),
-    ("test", {"data": 3}, {"_id": 3, "data": 42}),
-    ("test", {"_id": 1, "data": 1}, {"_id": 3, "data": 42}),
-    ("test", {"_id": 3, "data": 3}, {"_id": 3, "data": 42}),
-])
-def test_replace(db_memory_with_data, table, filter, indata):
-    result = db_memory_with_data.replace(table, filter, indata)
 
+@pytest.mark.parametrize(
+    "table, _id, indata",
+    [
+        ("test", 1, {"_id": 1, "data": 42}),
+        ("test", 1, {"_id": 1, "data": 42, "kk": 34}),
+        ("test", 1, {"_id": 1}),
+        ("test", 2, {"_id": 2, "data": 42}),
+        ("test", 2, {"_id": 2, "data": 42, "kk": 34}),
+        ("test", 2, {"_id": 2}),
+        ("test", 3, {"_id": 3, "data": 42}),
+        ("test", 3, {"_id": 3, "data": 42, "kk": 34}),
+        ("test", 3, {"_id": 3}),
+    ],
+)
+def test_replace(db_memory_with_data, table, _id, indata):
+    result = db_memory_with_data.replace(table, _id, indata)
     assert result == {"updated": 1}
     assert len(db_memory_with_data.db) == 1
     assert table in db_memory_with_data.db
     assert len(db_memory_with_data.db[table]) == 3
     assert indata in db_memory_with_data.db[table]
 
-@pytest.mark.parametrize("table, filter, indata", [
-    ("test", {}, {'_id': 1, 'data': 1}),
-    ("test", {}, {'_id': 2, 'data': 1}),
-    ("test", {}, {'_id': 1, 'data': 2}),
-    ("test", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 2, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 2}),
-    ("test_table", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-])
-def test_replace_without_data_exception(db_memory, table, filter, indata):
+
+@pytest.mark.parametrize(
+    "table, _id, indata",
+    [
+        ("test", 1, {"_id": 1, "data": 42}),
+        ("test", 2, {"_id": 2}),
+        ("test", 3, {"_id": 3}),
+    ],
+)
+def test_replace_without_data_exception(db_memory, table, _id, indata):
     with pytest.raises(DbException) as excinfo:
-        db_memory.replace(table, filter, indata, fail_on_empty=True)
-    assert str(excinfo.value) == (empty_exception_message() + replace_exception_message(filter))
+        db_memory.replace(table, _id, indata, fail_on_empty=True)
+    assert str(excinfo.value) == (replace_exception_message(_id))
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, indata", [
-    ("test", {}, {'_id': 1, 'data': 1}),
-    ("test", {}, {'_id': 2, 'data': 1}),
-    ("test", {}, {'_id': 1, 'data': 2}),
-    ("test", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 2, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 2}),
-    ("test_table", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-])
-def test_replace_without_data_none(db_memory, table, filter, indata):
-    result = db_memory.replace(table, filter, indata, fail_on_empty=False)
-    assert result == None
-
-@pytest.mark.parametrize("table, filter, indata", [
-    ("test_table", {}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 2, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 2}),
-    ("test_table", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-])
-def test_replace_with_data_exception(db_memory_with_data, table, filter, indata):
+
+@pytest.mark.parametrize(
+    "table, _id, indata",
+    [
+        ("test", 1, {"_id": 1, "data": 42}),
+        ("test", 2, {"_id": 2}),
+        ("test", 3, {"_id": 3}),
+    ],
+)
+def test_replace_without_data_none(db_memory, table, _id, indata):
+    result = db_memory.replace(table, _id, indata, fail_on_empty=False)
+    assert result is None
+
+
+@pytest.mark.parametrize(
+    "table, _id, indata",
+    [
+        ("test", 11, {"_id": 11, "data": 42}),
+        ("test", 12, {"_id": 12}),
+        ("test", 33, {"_id": 33}),
+    ],
+)
+def test_replace_with_data_exception(db_memory_with_data, table, _id, indata):
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.replace(table, filter, indata, fail_on_empty=True)
-    assert str(excinfo.value) == (empty_exception_message() + replace_exception_message(filter))
+        db_memory_with_data.replace(table, _id, indata, fail_on_empty=True)
+    assert str(excinfo.value) == (replace_exception_message(_id))
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, filter, indata", [
-    ("test_table", {}, {'_id': 1, 'data': 1}),
-    ("test_table", {}, {'_id': 2, 'data': 1}),
-    ("test_table", {}, {'_id': 1, 'data': 2}),
-    ("test_table", {'_id': 1}, {'_id': 1, 'data': 1}),
-    ("test_table", {'_id': 1, 'data': 1}, {'_id': 1, 'data': 1}),
-])
-def test_replace_with_data_none(db_memory_with_data, table, filter, indata):
-    result = db_memory_with_data.replace(table, filter, indata, fail_on_empty=False)
-    assert result == None
-
-@pytest.mark.parametrize("fail_on_empty", [
-    (True),
-    (False),
-])
-def test_replace_generic_exception(db_memory_with_data, fail_on_empty):
-    table = 'test'
-    filter = {}
-    indata = {'_id': 1, 'data': 1}
 
-    db_memory_with_data._find = MagicMock(side_effect=Exception())
+@pytest.mark.parametrize(
+    "table, _id, indata",
+    [
+        ("test", 11, {"_id": 11, "data": 42}),
+        ("test", 12, {"_id": 12}),
+        ("test", 33, {"_id": 33}),
+    ],
+)
+def test_replace_with_data_none(db_memory_with_data, table, _id, indata):
+    result = db_memory_with_data.replace(table, _id, indata, fail_on_empty=False)
+    assert result is None
+
 
+@pytest.mark.parametrize("fail_on_empty", [True, False])
+def test_replace_generic_exception(db_memory_with_data, fail_on_empty):
+    table = "test"
+    _id = {}
+    indata = {"_id": 1, "data": 1}
+    db_memory_with_data._find = MagicMock(side_effect=Exception())
     with pytest.raises(DbException) as excinfo:
-        db_memory_with_data.replace(table, filter, indata, fail_on_empty=fail_on_empty)
+        db_memory_with_data.replace(table, _id, indata, fail_on_empty=fail_on_empty)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
 
-@pytest.mark.parametrize("table, id, data", [
-    ("test", "1", {"data": 1}),
-    ("test", "1", {"data": 2}),
-    ("test", "2", {"data": 1}),
-    ("test", "2", {"data": 2}),
-    ("test_table", "1", {"data": 1}),
-    ("test_table", "1", {"data": 2}),
-    ("test_table", "2", {"data": 1}),
-    ("test_table", "2", {"data": 2}),
-    ("test", "1", {"data_1": 1, "data_2": 2}),
-    ("test", "1", {"data_1": 2, "data_2": 1}),
-    ("test", "2", {"data_1": 1, "data_2": 2}),
-    ("test", "2", {"data_1": 2, "data_2": 1}),
-    ("test_table", "1", {"data_1": 1, "data_2": 2}),
-    ("test_table", "1", {"data_1": 2, "data_2": 1}),
-    ("test_table", "2", {"data_1": 1, "data_2": 2}),
-    ("test_table", "2", {"data_1": 2, "data_2": 1}),
-])
+
+@pytest.mark.parametrize(
+    "table, id, data",
+    [
+        ("test", "1", {"data": 1}),
+        ("test", "1", {"data": 2}),
+        ("test", "2", {"data": 1}),
+        ("test", "2", {"data": 2}),
+        ("test_table", "1", {"data": 1}),
+        ("test_table", "1", {"data": 2}),
+        ("test_table", "2", {"data": 1}),
+        ("test_table", "2", {"data": 2}),
+        ("test", "1", {"data_1": 1, "data_2": 2}),
+        ("test", "1", {"data_1": 2, "data_2": 1}),
+        ("test", "2", {"data_1": 1, "data_2": 2}),
+        ("test", "2", {"data_1": 2, "data_2": 1}),
+        ("test_table", "1", {"data_1": 1, "data_2": 2}),
+        ("test_table", "1", {"data_1": 2, "data_2": 1}),
+        ("test_table", "2", {"data_1": 1, "data_2": 2}),
+        ("test_table", "2", {"data_1": 2, "data_2": 1}),
+    ],
+)
 def test_create_with_empty_db_with_id(db_memory, table, id, data):
     data_to_insert = data
-    data_to_insert['_id'] = id
-
+    data_to_insert["_id"] = id
     returned_id = db_memory.create(table, data_to_insert)
-
     assert returned_id == id
     assert len(db_memory.db) == 1
     assert table in db_memory.db
     assert len(db_memory.db[table]) == 1
     assert data_to_insert in db_memory.db[table]
 
-@pytest.mark.parametrize("table, id, data", [
-    ("test", "4", {"data": 1}),
-    ("test", "5", {"data": 2}),
-    ("test", "4", {"data": 1}),
-    ("test", "5", {"data": 2}),
-    ("test_table", "4", {"data": 1}),
-    ("test_table", "5", {"data": 2}),
-    ("test_table", "4", {"data": 1}),
-    ("test_table", "5", {"data": 2}),
-    ("test", "4", {"data_1": 1, "data_2": 2}),
-    ("test", "5", {"data_1": 2, "data_2": 1}),
-    ("test", "4", {"data_1": 1, "data_2": 2}),
-    ("test", "5", {"data_1": 2, "data_2": 1}),
-    ("test_table", "4", {"data_1": 1, "data_2": 2}),
-    ("test_table", "5", {"data_1": 2, "data_2": 1}),
-    ("test_table", "4", {"data_1": 1, "data_2": 2}),
-    ("test_table", "5", {"data_1": 2, "data_2": 1}),
-])
+
+@pytest.mark.parametrize(
+    "table, id, data",
+    [
+        ("test", "4", {"data": 1}),
+        ("test", "5", {"data": 2}),
+        ("test", "4", {"data": 1}),
+        ("test", "5", {"data": 2}),
+        ("test_table", "4", {"data": 1}),
+        ("test_table", "5", {"data": 2}),
+        ("test_table", "4", {"data": 1}),
+        ("test_table", "5", {"data": 2}),
+        ("test", "4", {"data_1": 1, "data_2": 2}),
+        ("test", "5", {"data_1": 2, "data_2": 1}),
+        ("test", "4", {"data_1": 1, "data_2": 2}),
+        ("test", "5", {"data_1": 2, "data_2": 1}),
+        ("test_table", "4", {"data_1": 1, "data_2": 2}),
+        ("test_table", "5", {"data_1": 2, "data_2": 1}),
+        ("test_table", "4", {"data_1": 1, "data_2": 2}),
+        ("test_table", "5", {"data_1": 2, "data_2": 1}),
+    ],
+)
 def test_create_with_non_empty_db_with_id(db_memory_with_data, table, id, data):
     data_to_insert = data
-    data_to_insert['_id'] = id
-
+    data_to_insert["_id"] = id
     returned_id = db_memory_with_data.create(table, data_to_insert)
-
     assert returned_id == id
-    assert len(db_memory_with_data.db) == (1 if table == 'test' else 2)
+    assert len(db_memory_with_data.db) == (1 if table == "test" else 2)
     assert table in db_memory_with_data.db
-    assert len(db_memory_with_data.db[table]) == (4 if table == 'test' else 1)
+    assert len(db_memory_with_data.db[table]) == (4 if table == "test" else 1)
     assert data_to_insert in db_memory_with_data.db[table]
 
-@pytest.mark.parametrize("table, data", [
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test", {"data_1": 1, "data_2": 2}),
-    ("test", {"data_1": 2, "data_2": 1}),
-    ("test", {"data_1": 1, "data_2": 2}),
-    ("test", {"data_1": 2, "data_2": 1}),
-    ("test_table", {"data_1": 1, "data_2": 2}),
-    ("test_table", {"data_1": 2, "data_2": 1}),
-    ("test_table", {"data_1": 1, "data_2": 2}),
-    ("test_table", {"data_1": 2, "data_2": 1}),
-])
+
+@pytest.mark.parametrize(
+    "table, data",
+    [
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test", {"data_1": 1, "data_2": 2}),
+        ("test", {"data_1": 2, "data_2": 1}),
+        ("test", {"data_1": 1, "data_2": 2}),
+        ("test", {"data_1": 2, "data_2": 1}),
+        ("test_table", {"data_1": 1, "data_2": 2}),
+        ("test_table", {"data_1": 2, "data_2": 1}),
+        ("test_table", {"data_1": 1, "data_2": 2}),
+        ("test_table", {"data_1": 2, "data_2": 1}),
+    ],
+)
 def test_create_with_empty_db_without_id(db_memory, table, data):
     returned_id = db_memory.create(table, data)
-
     assert len(db_memory.db) == 1
     assert table in db_memory.db
     assert len(db_memory.db[table]) == 1
-
     data_inserted = data
-    data_inserted['_id'] = returned_id
-
+    data_inserted["_id"] = returned_id
     assert data_inserted in db_memory.db[table]
 
-@pytest.mark.parametrize("table, data", [
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test", {"data": 1}),
-    ("test", {"data": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test_table", {"data": 1}),
-    ("test_table", {"data": 2}),
-    ("test", {"data_1": 1, "data_2": 2}),
-    ("test", {"data_1": 2, "data_2": 1}),
-    ("test", {"data_1": 1, "data_2": 2}),
-    ("test", {"data_1": 2, "data_2": 1}),
-    ("test_table", {"data_1": 1, "data_2": 2}),
-    ("test_table", {"data_1": 2, "data_2": 1}),
-    ("test_table", {"data_1": 1, "data_2": 2}),
-    ("test_table", {"data_1": 2, "data_2": 1}),
-])
+
+@pytest.mark.parametrize(
+    "table, data",
+    [
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test", {"data": 1}),
+        ("test", {"data": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test_table", {"data": 1}),
+        ("test_table", {"data": 2}),
+        ("test", {"data_1": 1, "data_2": 2}),
+        ("test", {"data_1": 2, "data_2": 1}),
+        ("test", {"data_1": 1, "data_2": 2}),
+        ("test", {"data_1": 2, "data_2": 1}),
+        ("test_table", {"data_1": 1, "data_2": 2}),
+        ("test_table", {"data_1": 2, "data_2": 1}),
+        ("test_table", {"data_1": 1, "data_2": 2}),
+        ("test_table", {"data_1": 2, "data_2": 1}),
+    ],
+)
 def test_create_with_non_empty_db_without_id(db_memory_with_data, table, data):
     returned_id = db_memory_with_data.create(table, data)
-
-    assert len(db_memory_with_data.db) == (1 if table == 'test' else 2)
+    assert len(db_memory_with_data.db) == (1 if table == "test" else 2)
     assert table in db_memory_with_data.db
-    assert len(db_memory_with_data.db[table]) == (4 if table == 'test' else 1)
-    
+    assert len(db_memory_with_data.db[table]) == (4 if table == "test" else 1)
     data_inserted = data
-    data_inserted['_id'] = returned_id
-
+    data_inserted["_id"] = returned_id
     assert data_inserted in db_memory_with_data.db[table]
 
+
 def test_create_with_exception(db_memory):
     table = "test"
     data = {"_id": 1, "data": 1}
-
     db_memory.db = MagicMock()
     db_memory.db.__contains__.side_effect = Exception()
-
     with pytest.raises(DbException) as excinfo:
         db_memory.create(table, data)
     assert str(excinfo.value) == empty_exception_message()
     assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND
+
+
+@pytest.mark.parametrize(
+    "db_content, update_dict, expected, message",
+    [
+        (
+            {"a": {"none": None}},
+            {"a.b.num": "v"},
+            {"a": {"none": None, "b": {"num": "v"}}},
+            "create dict",
+        ),
+        (
+            {"a": {"none": None}},
+            {"a.none.num": "v"},
+            {"a": {"none": {"num": "v"}}},
+            "create dict over none",
+        ),
+        (
+            {"a": {"b": {"num": 4}}},
+            {"a.b.num": "v"},
+            {"a": {"b": {"num": "v"}}},
+            "replace_number",
+        ),
+        (
+            {"a": {"b": {"num": 4}}},
+            {"a.b.num.c.d": "v"},
+            None,
+            "create dict over number should fail",
+        ),
+        (
+            {"a": {"b": {"num": 4}}},
+            {"a.b": "v"},
+            {"a": {"b": "v"}},
+            "replace dict with a string",
+        ),
+        (
+            {"a": {"b": {"num": 4}}},
+            {"a.b": None},
+            {"a": {"b": None}},
+            "replace dict with None",
+        ),
+        (
+            {"a": [{"b": {"num": 4}}]},
+            {"a.b.num": "v"},
+            None,
+            "create dict over list should fail",
+        ),
+        (
+            {"a": [{"b": {"num": 4}}]},
+            {"a.0.b.num": "v"},
+            {"a": [{"b": {"num": "v"}}]},
+            "set list",
+        ),
+        (
+            {"a": [{"b": {"num": 4}}]},
+            {"a.3.b.num": "v"},
+            {"a": [{"b": {"num": 4}}, None, None, {"b": {"num": "v"}}]},
+            "expand list",
+        ),
+        ({"a": [[4]]}, {"a.0.0": "v"}, {"a": [["v"]]}, "set nested list"),
+        ({"a": [[4]]}, {"a.0.2": "v"}, {"a": [[4, None, "v"]]}, "expand nested list"),
+        (
+            {"a": [[4]]},
+            {"a.2.2": "v"},
+            {"a": [[4], None, {"2": "v"}]},
+            "expand list and add number key",
+        ),
+    ],
+)
+def test_set_one(db_memory, db_content, update_dict, expected, message):
+    db_memory._find = Mock(return_value=((0, db_content),))
+    if expected is None:
+        with pytest.raises(DbException) as excinfo:
+            db_memory.set_one("table", {}, update_dict)
+        assert excinfo.value.http_code == http.HTTPStatus.NOT_FOUND, message
+    else:
+        db_memory.set_one("table", {}, update_dict)
+        assert db_content == expected, message
+
+
+class TestDbMemory(unittest.TestCase):
+    # TODO to delete. This is cover with pytest test_set_one.
+    def test_set_one(self):
+        test_set = (
+            # (database content, set-content, expected database content (None=fails), message)
+            (
+                {"a": {"none": None}},
+                {"a.b.num": "v"},
+                {"a": {"none": None, "b": {"num": "v"}}},
+                "create dict",
+            ),
+            (
+                {"a": {"none": None}},
+                {"a.none.num": "v"},
+                {"a": {"none": {"num": "v"}}},
+                "create dict over none",
+            ),
+            (
+                {"a": {"b": {"num": 4}}},
+                {"a.b.num": "v"},
+                {"a": {"b": {"num": "v"}}},
+                "replace_number",
+            ),
+            (
+                {"a": {"b": {"num": 4}}},
+                {"a.b.num.c.d": "v"},
+                None,
+                "create dict over number should fail",
+            ),
+            (
+                {"a": {"b": {"num": 4}}},
+                {"a.b": "v"},
+                {"a": {"b": "v"}},
+                "replace dict with a string",
+            ),
+            (
+                {"a": {"b": {"num": 4}}},
+                {"a.b": None},
+                {"a": {"b": None}},
+                "replace dict with None",
+            ),
+            (
+                {"a": [{"b": {"num": 4}}]},
+                {"a.b.num": "v"},
+                None,
+                "create dict over list should fail",
+            ),
+            (
+                {"a": [{"b": {"num": 4}}]},
+                {"a.0.b.num": "v"},
+                {"a": [{"b": {"num": "v"}}]},
+                "set list",
+            ),
+            (
+                {"a": [{"b": {"num": 4}}]},
+                {"a.3.b.num": "v"},
+                {"a": [{"b": {"num": 4}}, None, None, {"b": {"num": "v"}}]},
+                "expand list",
+            ),
+            ({"a": [[4]]}, {"a.0.0": "v"}, {"a": [["v"]]}, "set nested list"),
+            (
+                {"a": [[4]]},
+                {"a.0.2": "v"},
+                {"a": [[4, None, "v"]]},
+                "expand nested list",
+            ),
+            (
+                {"a": [[4]]},
+                {"a.2.2": "v"},
+                {"a": [[4], None, {"2": "v"}]},
+                "expand list and add number key",
+            ),
+            ({"a": None}, {"b.c": "v"}, {"a": None, "b": {"c": "v"}}, "expand at root"),
+        )
+        db_men = DbMemory()
+        db_men._find = Mock()
+        for db_content, update_dict, expected, message in test_set:
+            db_men._find.return_value = ((0, db_content),)
+            if expected is None:
+                self.assertRaises(DbException, db_men.set_one, "table", {}, update_dict)
+            else:
+                db_men.set_one("table", {}, update_dict)
+                self.assertEqual(db_content, expected, message)
+
+    def test_set_one_pull(self):
+        example = {"a": [1, "1", 1], "d": {}, "n": None}
+        test_set = (
+            # (database content, set-content, expected database content (None=fails), message)
+            (example, {"a": "1"}, {"a": [1, 1], "d": {}, "n": None}, "pull one item"),
+            (example, {"a": 1}, {"a": ["1"], "d": {}, "n": None}, "pull two items"),
+            (example, {"a": "v"}, example, "pull non existing item"),
+            (example, {"a.6": 1}, example, "pull non existing arrray"),
+            (example, {"d.b.c": 1}, example, "pull non existing arrray2"),
+            (example, {"b": 1}, example, "pull non existing arrray3"),
+            (example, {"d": 1}, None, "pull over dict"),
+            (example, {"n": 1}, None, "pull over None"),
+        )
+        db_men = DbMemory()
+        db_men._find = Mock()
+        for db_content, pull_dict, expected, message in test_set:
+            db_content = deepcopy(db_content)
+            db_men._find.return_value = ((0, db_content),)
+            if expected is None:
+                self.assertRaises(
+                    DbException,
+                    db_men.set_one,
+                    "table",
+                    {},
+                    None,
+                    fail_on_empty=False,
+                    pull=pull_dict,
+                )
+            else:
+                db_men.set_one("table", {}, None, pull=pull_dict)
+                self.assertEqual(db_content, expected, message)
+
+    def test_set_one_push(self):
+        example = {"a": [1, "1", 1], "d": {}, "n": None}
+        test_set = (
+            # (database content, set-content, expected database content (None=fails), message)
+            (
+                example,
+                {"d.b.c": 1},
+                {"a": [1, "1", 1], "d": {"b": {"c": [1]}}, "n": None},
+                "push non existing arrray2",
+            ),
+            (
+                example,
+                {"b": 1},
+                {"a": [1, "1", 1], "d": {}, "b": [1], "n": None},
+                "push non existing arrray3",
+            ),
+            (
+                example,
+                {"a.6": 1},
+                {"a": [1, "1", 1, None, None, None, [1]], "d": {}, "n": None},
+                "push non existing arrray",
+            ),
+            (
+                example,
+                {"a": 2},
+                {"a": [1, "1", 1, 2], "d": {}, "n": None},
+                "push one item",
+            ),
+            (
+                example,
+                {"a": {1: 1}},
+                {"a": [1, "1", 1, {1: 1}], "d": {}, "n": None},
+                "push a dict",
+            ),
+            (example, {"d": 1}, None, "push over dict"),
+            (example, {"n": 1}, None, "push over None"),
+        )
+        db_men = DbMemory()
+        db_men._find = Mock()
+        for db_content, push_dict, expected, message in test_set:
+            db_content = deepcopy(db_content)
+            db_men._find.return_value = ((0, db_content),)
+            if expected is None:
+                self.assertRaises(
+                    DbException,
+                    db_men.set_one,
+                    "table",
+                    {},
+                    None,
+                    fail_on_empty=False,
+                    push=push_dict,
+                )
+            else:
+                db_men.set_one("table", {}, None, push=push_dict)
+                self.assertEqual(db_content, expected, message)
+
+    def test_set_one_push_list(self):
+        example = {"a": [1, "1", 1], "d": {}, "n": None}
+        test_set = (
+            # (database content, set-content, expected database content (None=fails), message)
+            (
+                example,
+                {"d.b.c": [1]},
+                {"a": [1, "1", 1], "d": {"b": {"c": [1]}}, "n": None},
+                "push non existing arrray2",
+            ),
+            (
+                example,
+                {"b": [1]},
+                {"a": [1, "1", 1], "d": {}, "b": [1], "n": None},
+                "push non existing arrray3",
+            ),
+            (
+                example,
+                {"a.6": [1]},
+                {"a": [1, "1", 1, None, None, None, [1]], "d": {}, "n": None},
+                "push non existing arrray",
+            ),
+            (
+                example,
+                {"a": [2, 3]},
+                {"a": [1, "1", 1, 2, 3], "d": {}, "n": None},
+                "push two item",
+            ),
+            (
+                example,
+                {"a": [{1: 1}]},
+                {"a": [1, "1", 1, {1: 1}], "d": {}, "n": None},
+                "push a dict",
+            ),
+            (example, {"d": [1]}, None, "push over dict"),
+            (example, {"n": [1]}, None, "push over None"),
+            (example, {"a": 1}, None, "invalid push list non an array"),
+        )
+        db_men = DbMemory()
+        db_men._find = Mock()
+        for db_content, push_list, expected, message in test_set:
+            db_content = deepcopy(db_content)
+            db_men._find.return_value = ((0, db_content),)
+            if expected is None:
+                self.assertRaises(
+                    DbException,
+                    db_men.set_one,
+                    "table",
+                    {},
+                    None,
+                    fail_on_empty=False,
+                    push_list=push_list,
+                )
+            else:
+                db_men.set_one("table", {}, None, push_list=push_list)
+                self.assertEqual(db_content, expected, message)
+
+    def test_unset_one(self):
+        example = {"a": [1, "1", 1], "d": {}, "n": None}
+        test_set = (
+            # (database content, set-content, expected database content (None=fails), message)
+            (example, {"d.b.c": 1}, example, "unset non existing"),
+            (example, {"b": 1}, example, "unset non existing"),
+            (example, {"a.6": 1}, example, "unset non existing arrray"),
+            (example, {"a": 2}, {"d": {}, "n": None}, "unset array"),
+            (example, {"d": 1}, {"a": [1, "1", 1], "n": None}, "unset dict"),
+            (example, {"n": 1}, {"a": [1, "1", 1], "d": {}}, "unset None"),
+        )
+        db_men = DbMemory()
+        db_men._find = Mock()
+        for db_content, unset_dict, expected, message in test_set:
+            db_content = deepcopy(db_content)
+            db_men._find.return_value = ((0, db_content),)
+            if expected is None:
+                self.assertRaises(
+                    DbException,
+                    db_men.set_one,
+                    "table",
+                    {},
+                    None,
+                    fail_on_empty=False,
+                    unset=unset_dict,
+                )
+            else:
+                db_men.set_one("table", {}, None, unset=unset_dict)
+                self.assertEqual(db_content, expected, message)