fix: add integration tests for user domain

migrations/1738684563598-wallet_user_id_nullable.ts

@@ -0,0 +1,29 @@
+import type { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class WalletUserIdNullable1738684563598 implements MigrationInterface {
+  name = 'WalletUserIdNullable1738684563598';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "wallets" DROP CONSTRAINT "FK_wallets_user_id"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "wallets" ALTER COLUMN "user_id" SET NOT NULL`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "wallets" ADD CONSTRAINT "FK_wallets_user_id" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE NO ACTION`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "wallets" DROP CONSTRAINT "FK_wallets_user_id"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "wallets" ALTER COLUMN "user_id" DROP NOT NULL`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "wallets" ADD CONSTRAINT "FK_wallets_user_id" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE NO ACTION`,
+    );
+  }
+}

src/datasources/wallets/entities/wallets.entity.db.ts

@@ -19,6 +19,7 @@ export class Wallet implements z.infer<typeof WalletSchema> {
 
   @ManyToOne(() => User, (user: User) => user.id, {
     onDelete: 'CASCADE',
+    nullable: false,
   })
   @JoinColumn({
     name: 'user_id',