💩 Add bug demonstration

package.json

@@ -6,14 +6,15 @@
   "type": "commonjs",
   "license": "MIT",
   "dependencies": {
+    "@sequelize/core": "^7.0.0-alpha.10",
     "chai": "^4",
     "chai-as-promised": "^7",
     "chai-datetime": "^1",
     "chalk": "^4.1.2",
     "cross-env": "^7",
     "fs-jetpack": "^4",
+    "mysql2": "^3.3.0",
     "sequelize": "^6",
-    "@sequelize/core": "^7.0.0-alpha.10",
     "sinon": "^13",
     "sinon-chai": "^3"
   },

src/sscce-sequelize-7.ts

@@ -1,10 +1,17 @@
-import { DataTypes, Model } from '@sequelize/core';
-import { createSequelize7Instance } from '../setup/create-sequelize-instance';
-import { expect } from 'chai';
-import sinon from 'sinon';
+import { DataTypes, Model } from "@sequelize/core";
+import { createSequelize7Instance } from "../setup/create-sequelize-instance";
+import { expect } from "chai";
+import sinon from "sinon";
 
 // if your issue is dialect specific, remove the dialects you don't need to test on.
-export const testingOnDialects = new Set(['mssql', 'sqlite', 'mysql', 'mariadb', 'postgres', 'postgres-native']);
+export const testingOnDialects = new Set([
+  // "mssql",
+  // "sqlite",
+  "mysql",
+  // "mariadb",
+  // "postgres",
+  // "postgres-native",
+]);
 
 // You can delete this file if you don't want your SSCCE to be tested against Sequelize 7
 
@@ -21,21 +28,43 @@ export async function run() {
     },
   });
 
-  class Foo extends Model {}
+  const Action = sequelize.define("Action", {}, { tableName: "Action" });
+  const ActionGoto = sequelize.define("Action_Goto", {});
 
-  Foo.init({
-    name: DataTypes.TEXT,
-  }, {
-    sequelize,
-    modelName: 'Foo',
+  Action.hasOne(ActionGoto, {
+    as: "Goto",
+    foreignKey: {
+      name: "ActionId",
+      onDelete: "CASCADE",
+      onUpdate: "CASCADE",
+    },
+  });
+  Action.hasOne(ActionGoto, {
+    foreignKey: {
+      name: "TargetActionId",
+      onDelete: "CASCADE",
+      onUpdate: "CASCADE",
+    },
+  });
+
+  ActionGoto.belongsTo(Action, {
+    foreignKey: {
+      name: "ActionId",
+      onDelete: "CASCADE",
+      onUpdate: "CASCADE",
+    },
+  });
+  ActionGoto.belongsTo(Action, {
+    foreignKey: {
+      name: "TargetActionId",
+      onDelete: "CASCADE",
+      onUpdate: "CASCADE",
+    },
   });
 
   // You can use sinon and chai assertions directly in your SSCCE.
   const spy = sinon.spy();
   sequelize.afterBulkSync(() => spy());
   await sequelize.sync({ force: true });
   expect(spy).to.have.been.called;
-
-  console.log(await Foo.create({ name: 'TS foo' }));
-  expect(await Foo.count()).to.equal(1);
 }