diff --git a/src/database/connection.rs b/src/database/connection.rs
index 4440ad84..17cc9d0f 100644
--- a/src/database/connection.rs
+++ b/src/database/connection.rs
@@ -1,4 +1,4 @@
-use crate::{ExecErr, ExecResult, QueryErr, QueryResult, Statement};
+use crate::{ExecErr, ExecResult, MockDatabaseConnection, QueryErr, QueryResult, Statement};
 use sea_query::{
     DeleteStatement, InsertStatement, MysqlQueryBuilder, PostgresQueryBuilder, SelectStatement,
     UpdateStatement,
@@ -91,6 +91,13 @@ impl DatabaseConnection {
             DatabaseConnection::Disconnected => panic!("Disconnected"),
         }
     }
+
+    pub fn as_mock_connection(&self) -> &MockDatabaseConnection {
+        match self {
+            DatabaseConnection::MockDatabaseConnection(mock_conn) => mock_conn,
+            _ => panic!("not mock connection"),
+        }
+    }
 }
 
 impl QueryBuilderBackend {
diff --git a/src/database/mock.rs b/src/database/mock.rs
index a8ba80e6..5d197f4d 100644
--- a/src/database/mock.rs
+++ b/src/database/mock.rs
@@ -51,10 +51,6 @@ impl MockDatabase {
         }
         self
     }
-
-    pub fn into_transaction_log(self) -> Vec<Statement> {
-        self.transaction_log
-    }
 }
 
 impl MockDatabaseTrait for MockDatabase {
@@ -87,18 +83,9 @@ impl MockDatabaseTrait for MockDatabase {
         }
     }
 
-    fn into_transaction_log(&mut self) -> Vec<Statement> {
+    fn drain_transaction_log(&mut self) -> Vec<Statement> {
         std::mem::take(&mut self.transaction_log)
     }
-
-    fn assert_transaction_log(&mut self, stmts: Vec<Statement>) {
-        for stmt in stmts.iter() {
-            assert!(!self.transaction_log.is_empty());
-            let log = self.transaction_log.first().unwrap();
-            assert_eq!(log.to_string(), stmt.to_string());
-            self.transaction_log = self.transaction_log.drain(1..).collect();
-        }
-    }
 }
 
 impl MockRow {
diff --git a/src/database/statement.rs b/src/database/statement.rs
index 61604b38..f27578bd 100644
--- a/src/database/statement.rs
+++ b/src/database/statement.rs
@@ -1,7 +1,7 @@
 use sea_query::{inject_parameters, MySqlQueryBuilder, Values};
 use std::fmt;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct Statement {
     pub sql: String,
     pub values: Option<Values>,
diff --git a/src/driver/mock.rs b/src/driver/mock.rs
index 8be8478b..39cec2f9 100644
--- a/src/driver/mock.rs
+++ b/src/driver/mock.rs
@@ -10,8 +10,8 @@ use std::sync::{
 pub struct MockDatabaseConnector;
 
 pub struct MockDatabaseConnection {
-    pub(crate) counter: AtomicUsize,
-    pub(crate) mocker: Mutex<Box<dyn MockDatabaseTrait>>,
+    counter: AtomicUsize,
+    mocker: Mutex<Box<dyn MockDatabaseTrait>>,
 }
 
 pub trait MockDatabaseTrait: Send {
@@ -19,9 +19,7 @@ pub trait MockDatabaseTrait: Send {
 
     fn query(&mut self, counter: usize, stmt: Statement) -> Result<Vec<QueryResult>, QueryErr>;
 
-    fn into_transaction_log(&mut self) -> Vec<Statement>;
-
-    fn assert_transaction_log(&mut self, stmts: Vec<Statement>);
+    fn drain_transaction_log(&mut self) -> Vec<Statement>;
 }
 
 impl MockDatabaseConnector {
@@ -46,9 +44,11 @@ impl MockDatabaseConnection {
             mocker: Mutex::new(Box::new(m)),
         }
     }
-}
 
-impl MockDatabaseConnection {
+    pub fn get_mocker_mutex(&self) -> &Mutex<Box<dyn MockDatabaseTrait>> {
+        &self.mocker
+    }
+
     pub async fn execute(&self, statement: Statement) -> Result<ExecResult, ExecErr> {
         debug_print!("{}", statement);
         let counter = self.counter.fetch_add(1, Ordering::SeqCst);
diff --git a/src/executor/paginator.rs b/src/executor/paginator.rs
index b159ee7b..19654d63 100644
--- a/src/executor/paginator.rs
+++ b/src/executor/paginator.rs
@@ -104,7 +104,7 @@ where
 #[cfg(feature = "mock")]
 mod tests {
     use crate::entity::prelude::*;
-    use crate::tests_cfg::{util::*, *};
+    use crate::tests_cfg::*;
     use crate::{Database, MockDatabase, QueryErr};
     use futures::TryStreamExt;
     use sea_query::{Alias, Expr, SelectStatement, Value};
@@ -174,8 +174,13 @@ mod tests {
             query_builder.build_select_statement(select.clone().offset(2).limit(2)),
             query_builder.build_select_statement(select.clone().offset(4).limit(2)),
         ];
-        let mut mocker = get_mock_db_connection(&db).mocker.lock().unwrap();
-        mocker.assert_transaction_log(stmts);
+        let mut mocker = db
+            .get_connection()
+            .as_mock_connection()
+            .get_mocker_mutex()
+            .lock()
+            .unwrap();
+        assert_eq!(mocker.drain_transaction_log(), stmts);
 
         Ok(())
     }
@@ -209,8 +214,13 @@ mod tests {
             query_builder.build_select_statement(select.clone().offset(2).limit(2)),
             query_builder.build_select_statement(select.clone().offset(4).limit(2)),
         ];
-        let mut mocker = get_mock_db_connection(&db).mocker.lock().unwrap();
-        mocker.assert_transaction_log(stmts);
+        let mut mocker = db
+            .get_connection()
+            .as_mock_connection()
+            .get_mocker_mutex()
+            .lock()
+            .unwrap();
+        assert_eq!(mocker.drain_transaction_log(), stmts);
 
         Ok(())
     }
@@ -242,8 +252,13 @@ mod tests {
 
         let query_builder = db.get_query_builder_backend();
         let stmts = vec![query_builder.build_select_statement(&select)];
-        let mut mocker = get_mock_db_connection(&db).mocker.lock().unwrap();
-        mocker.assert_transaction_log(stmts);
+        let mut mocker = db
+            .get_connection()
+            .as_mock_connection()
+            .get_mocker_mutex()
+            .lock()
+            .unwrap();
+        assert_eq!(mocker.drain_transaction_log(), stmts);
 
         Ok(())
     }
@@ -295,8 +310,13 @@ mod tests {
             query_builder.build_select_statement(select.clone().offset(2).limit(2)),
             query_builder.build_select_statement(select.clone().offset(4).limit(2)),
         ];
-        let mut mocker = get_mock_db_connection(&db).mocker.lock().unwrap();
-        mocker.assert_transaction_log(stmts);
+        let mut mocker = db
+            .get_connection()
+            .as_mock_connection()
+            .get_mocker_mutex()
+            .lock()
+            .unwrap();
+        assert_eq!(mocker.drain_transaction_log(), stmts);
 
         Ok(())
     }
@@ -328,9 +348,13 @@ mod tests {
             query_builder.build_select_statement(select.clone().offset(2).limit(2)),
             query_builder.build_select_statement(select.clone().offset(4).limit(2)),
         ];
-        let mut mocker = get_mock_db_connection(&db).mocker.lock().unwrap();
-        mocker.assert_transaction_log(stmts[0..1].to_vec());
-        mocker.assert_transaction_log(stmts[1..].to_vec());
+        let mut mocker = db
+            .get_connection()
+            .as_mock_connection()
+            .get_mocker_mutex()
+            .lock()
+            .unwrap();
+        assert_eq!(mocker.drain_transaction_log(), stmts);
 
         Ok(())
     }
diff --git a/src/tests_cfg/util.rs b/src/tests_cfg/util.rs
index 1927e9ad..177fdf14 100644
--- a/src/tests_cfg/util.rs
+++ b/src/tests_cfg/util.rs
@@ -1,6 +1,4 @@
-use crate::{
-    tests_cfg::*, Database, DatabaseConnection, IntoMockRow, MockDatabaseConnection, MockRow,
-};
+use crate::{tests_cfg::*, IntoMockRow, MockRow};
 use sea_query::Value;
 
 impl From<cake_filling::Model> for MockRow {
@@ -43,10 +41,3 @@ impl From<fruit::Model> for MockRow {
         map.into_mock_row()
     }
 }
-
-pub fn get_mock_db_connection(db: &Database) -> &MockDatabaseConnection {
-    match db.get_connection() {
-        DatabaseConnection::MockDatabaseConnection(mock_conn) => mock_conn,
-        _ => unreachable!(),
-    }
-}