associations.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('../../support'),
dialect = Support.getTestDialect(),
DataTypes = require('../../../../lib/data-types');
if (dialect !== 'mariadb') return;
describe('[MariaDB Specific] Associations', () => {
describe('many-to-many', () => {
describe('where tables have the same prefix', () => {
it('should create a table wp_table1wp_table2s', function() {
const Table2 = this.sequelize.define('wp_table2', { foo: DataTypes.STRING }),
Table1 = this.sequelize.define('wp_table1',
{ foo: DataTypes.STRING });
Table1.belongsToMany(Table2, { through: 'wp_table1swp_table2s' });
Table2.belongsToMany(Table1, { through: 'wp_table1swp_table2s' });
return Table1.sync({ force: true }).then(() => {
return Table2.sync({ force: true }).then(() => {
expect(this.sequelize.modelManager.getModel(
'wp_table1swp_table2s')).to.exist;
});
});
});
});
describe('when join table name is specified', () => {
beforeEach(function() {
const Table2 = this.sequelize.define('ms_table1', { foo: DataTypes.STRING }),
Table1 = this.sequelize.define('ms_table2',
{ foo: DataTypes.STRING });
Table1.belongsToMany(Table2, { through: 'table1_to_table2' });
Table2.belongsToMany(Table1, { through: 'table1_to_table2' });
return Table1.sync({ force: true }).then(() => {
return Table2.sync({ force: true });
});
});
it('should not use only a specified name', function() {
expect(this.sequelize.modelManager.getModel(
'ms_table1sms_table2s')).not.to.exist;
expect(
this.sequelize.modelManager.getModel('table1_to_table2')).to.exist;
});
});
});
describe('HasMany', () => {
beforeEach(function() {
//prevent periods from occurring in the table name since they are used to delimit (table.column)
this.User = this.sequelize.define(`User${Math.ceil(Math.random() * 10000000)}`, { name: DataTypes.STRING });
this.Task = this.sequelize.define(`Task${Math.ceil(Math.random() * 10000000)}`, { name: DataTypes.STRING });
this.users = null;
this.tasks = null;
this.User.belongsToMany(this.Task, { as: 'Tasks', through: 'UserTasks' });
this.Task.belongsToMany(this.User, { as: 'Users', through: 'UserTasks' });
const users = [];
const tasks = [];
for (let i = 0; i < 5; ++i) {
users[i] = { name: `User${Math.random()}` };
tasks[i] = { name: `Task${Math.random()}` };
}
return this.sequelize.sync({ force: true })
.then(() => this.User.bulkCreate(users))
.then(() => this.Task.bulkCreate(tasks));
});
});
});