timezone.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('./support'),
dialect = Support.getTestDialect();
if (dialect !== 'sqlite') {
// Sqlite does not support setting timezone
describe(Support.getTestDialectTeaser('Timezone'), () => {
beforeEach(function() {
this.sequelizeWithTimezone = Support.createSequelizeInstance({
timezone: '+07:00'
});
this.sequelizeWithNamedTimezone = Support.createSequelizeInstance({
timezone: 'America/New_York'
});
});
it('returns the same value for current timestamp', async function() {
let now = 'now()';
const startQueryTime = Date.now();
if (dialect === 'mssql') {
now = 'GETDATE()';
}
const query = `SELECT ${now} as now`;
const [now1, now2] = await Promise.all([
this.sequelize.query(query, { type: this.sequelize.QueryTypes.SELECT }),
this.sequelizeWithTimezone.query(query, { type: this.sequelize.QueryTypes.SELECT })
]);
const elapsedQueryTime = Date.now() - startQueryTime + 1001;
expect(now1[0].now.getTime()).to.be.closeTo(now2[0].now.getTime(), elapsedQueryTime);
});
if (dialect === 'mysql' || dialect === 'mariadb') {
it('handles existing timestamps', async function() {
const NormalUser = this.sequelize.define('user', {}),
TimezonedUser = this.sequelizeWithTimezone.define('user', {});
await this.sequelize.sync({ force: true });
const normalUser = await NormalUser.create({});
this.normalUser = normalUser;
const timezonedUser = await TimezonedUser.findByPk(normalUser.id);
// Expect 7 hours difference, in milliseconds.
// This difference is expected since two instances, configured for each their timezone is trying to read the same timestamp
// this test does not apply to PG, since it stores the timezone along with the timestamp.
expect(this.normalUser.createdAt.getTime() - timezonedUser.createdAt.getTime()).to.be.closeTo(60 * 60 * 7 * 1000, 1000);
});
it('handles named timezones', async function() {
const NormalUser = this.sequelize.define('user', {}),
TimezonedUser = this.sequelizeWithNamedTimezone.define('user', {});
await this.sequelize.sync({ force: true });
const timezonedUser0 = await TimezonedUser.create({});
const [normalUser, timezonedUser] = await Promise.all([
NormalUser.findByPk(timezonedUser0.id),
TimezonedUser.findByPk(timezonedUser0.id)
]);
// Expect 5 hours difference, in milliseconds, +/- 1 hour for DST
expect(normalUser.createdAt.getTime() - timezonedUser.createdAt.getTime()).to.be.closeTo(60 * 60 * 4 * 1000 * -1, 60 * 60 * 1000);
});
}
});
}