errors.test.js
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'use strict';
const chai = require('chai');
const expect = chai.expect;
const Support = require('../../support');
const dialect = Support.getTestDialect();
const Sequelize = require('../../../../index');
const DataTypes = require('../../../../lib/data-types');
if (dialect === 'mysql') {
describe('[MYSQL Specific] Errors', () => {
const validateError = async (promise, errClass, errValues) => {
const wanted = { ...errValues };
await expect(promise).to.have.been.rejectedWith(errClass);
try {
return await promise;
} catch (err) {
return Object.keys(wanted).forEach(k => expect(err[k]).to.eql(wanted[k]));
}
};
describe('ForeignKeyConstraintError', () => {
beforeEach(function() {
this.Task = this.sequelize.define('task', { title: DataTypes.STRING });
this.User = this.sequelize.define('user', { username: DataTypes.STRING });
this.UserTasks = this.sequelize.define('tasksusers', { userId: DataTypes.INTEGER, taskId: DataTypes.INTEGER });
this.User.belongsToMany(this.Task, { onDelete: 'RESTRICT', through: 'tasksusers' });
this.Task.belongsToMany(this.User, { onDelete: 'RESTRICT', through: 'tasksusers' });
this.Task.belongsTo(this.User, { foreignKey: 'primaryUserId', as: 'primaryUsers' });
});
it('in context of DELETE restriction', async function() {
await this.sequelize.sync({ force: true });
const [user1, task1] = await Promise.all([
this.User.create({ id: 67, username: 'foo' }),
this.Task.create({ id: 52, title: 'task' })
]);
await user1.setTasks([task1]);
await Promise.all([
validateError(user1.destroy(), Sequelize.ForeignKeyConstraintError, {
fields: ['userId'],
table: 'users',
value: undefined,
index: 'tasksusers_ibfk_1',
reltype: 'parent'
}),
validateError(task1.destroy(), Sequelize.ForeignKeyConstraintError, {
fields: ['taskId'],
table: 'tasks',
value: undefined,
index: 'tasksusers_ibfk_2',
reltype: 'parent'
})
]);
});
it('in context of missing relation', async function() {
await this.sequelize.sync({ force: true });
await validateError(
this.Task.create({ title: 'task', primaryUserId: 5 }),
Sequelize.ForeignKeyConstraintError,
{
fields: ['primaryUserId'],
table: 'users',
value: 5,
index: 'tasks_ibfk_1',
reltype: 'child'
}
);
});
});
});
}