Spawn a MySQL instance with a test database

shell.nix

@@ -1,28 +1,38 @@
 { pkgs ? import <nixpkgs> { } }:
 
-with pkgs.python37Packages;
+with pkgs;
 
-pkgs.mkShell {
+mkShell {
   buildInputs = [
     # Dependencies
-    fastapi
-    uvicorn
-    pydantic
-    email_validator
-    sqlalchemy
-    pymysql
-    databases
-    aiomysql
-    alembic
-    pytest
-    twilio
+    python38Packages.fastapi
+    python38Packages.uvicorn
+    python38Packages.pydantic
+    python38Packages.email_validator
+    python38Packages.sqlalchemy
+    python38Packages.pymysql
+    python38Packages.databases
+    python38Packages.aiomysql
+    python38Packages.alembic
+    python38Packages.pytest
+    python38Packages.twilio
+    mysql57
     # Development tools
-    black
-    isort
-    pyflakes
+    python38Packages.black
+    python38Packages.isort
+    python38Packages.pyflakes
     python-language-server
-    pyls-black
-    pyls-isort
-    pyls-mypy
   ];
+
+  shellHook = ''
+    pkill mysql
+    rm -rf .mysql && mkdir .mysql
+
+    mysqld --datadir="$(pwd)/.mysql" --socket="$(pwd)/.mysql/mysql.sock" --initialize-insecure
+    mysqld --datadir="$(pwd)/.mysql" --socket="$(pwd)/.mysql/mysql.sock" --skip-networking & sleep 1
+
+    mysql --socket="$(pwd)/.mysql/mysql.sock" -u root < $(pwd)/assets/test_db.sql
+
+    alias mysql='mysql --socket="$(pwd)/.mysql/mysql.sock" -u root'
+  '';
 }