configuration.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
config = require('../config/config'),
Support = require('./support'),
dialect = Support.getTestDialect(),
Sequelize = Support.Sequelize,
fs = require('fs'),
path = require('path'),
{ promisify } = require('util');
let sqlite3;
if (dialect === 'sqlite') {
sqlite3 = require('sqlite3'); // eslint-disable-line
}
describe(Support.getTestDialectTeaser('Configuration'), () => {
describe('Connections problems should fail with a nice message', () => {
it('when we don\'t have the correct server details', async () => {
const options = {
logging: false,
host: 'localhost',
port: 19999, // Wrong port
dialect
};
const constructorArgs = [
config[dialect].database,
config[dialect].username,
config[dialect].password,
options
];
let willBeRejectedWithArgs = [[Sequelize.HostNotReachableError, Sequelize.InvalidConnectionError]];
if (dialect === 'sqlite') {
options.storage = '/path/to/no/where/land';
options.dialectOptions = { mode: sqlite3.OPEN_READONLY };
// SQLite doesn't have a breakdown of error codes, so we are unable to discern between the different types of errors.
willBeRejectedWithArgs = [Sequelize.ConnectionError, 'SQLITE_CANTOPEN: unable to open database file'];
}
const seq = new Sequelize(...constructorArgs);
await expect(seq.query('select 1 as hello')).to.eventually.be.rejectedWith(...willBeRejectedWithArgs);
});
it('when we don\'t have the correct login information', async () => {
if (dialect === 'mssql') {
// TODO: GitHub Actions seems to be having trouble with this test. Works perfectly fine on a local setup.
expect(true).to.be.true;
return;
}
const seq = new Sequelize(config[dialect].database, config[dialect].username, 'fakepass123', { logging: false, host: config[dialect].host, port: 1, dialect });
if (dialect === 'sqlite') {
// SQLite doesn't require authentication and `select 1 as hello` is a valid query, so this should be fulfilled not rejected for it.
await expect(seq.query('select 1 as hello')).to.eventually.be.fulfilled;
} else {
await expect(seq.query('select 1 as hello')).to.eventually.be.rejectedWith(Sequelize.ConnectionRefusedError, 'connect ECONNREFUSED');
}
});
it('when we don\'t have a valid dialect.', () => {
expect(() => {
new Sequelize(config[dialect].database, config[dialect].username, config[dialect].password, { host: '0.0.0.1', port: config[dialect].port, dialect: 'some-fancy-dialect' });
}).to.throw(Error, 'The dialect some-fancy-dialect is not supported. Supported dialects: mssql, mariadb, mysql, postgres, and sqlite.');
});
});
describe('Instantiation with arguments', () => {
if (dialect === 'sqlite') {
it('should respect READONLY / READWRITE connection modes', async () => {
const p = path.join(__dirname, '../tmp', 'foo.sqlite');
const createTableFoo = 'CREATE TABLE foo (faz TEXT);';
const createTableBar = 'CREATE TABLE bar (baz TEXT);';
const testAccess = () => {
return promisify(fs.access)(p, fs.R_OK | fs.W_OK);
};
try {
try {
await promisify(fs.unlink)(p);
} catch (err) {
expect(err.code).to.equal('ENOENT');
}
const sequelizeReadOnly0 = new Sequelize('sqlite://foo', {
storage: p,
dialectOptions: {
mode: sqlite3.OPEN_READONLY
}
});
const sequelizeReadWrite0 = new Sequelize('sqlite://foo', {
storage: p,
dialectOptions: {
mode: sqlite3.OPEN_READWRITE
}
});
expect(sequelizeReadOnly0.config.dialectOptions.mode).to.equal(sqlite3.OPEN_READONLY);
expect(sequelizeReadWrite0.config.dialectOptions.mode).to.equal(sqlite3.OPEN_READWRITE);
await Promise.all([
sequelizeReadOnly0.query(createTableFoo)
.should.be.rejectedWith(Error, 'SQLITE_CANTOPEN: unable to open database file'),
sequelizeReadWrite0.query(createTableFoo)
.should.be.rejectedWith(Error, 'SQLITE_CANTOPEN: unable to open database file')
]);
// By default, sqlite creates a connection that's READWRITE | CREATE
const sequelize = new Sequelize('sqlite://foo', {
storage: p
});
await testAccess(await sequelize.query(createTableFoo));
const sequelizeReadOnly = new Sequelize('sqlite://foo', {
storage: p,
dialectOptions: {
mode: sqlite3.OPEN_READONLY
}
});
const sequelizeReadWrite = new Sequelize('sqlite://foo', {
storage: p,
dialectOptions: {
mode: sqlite3.OPEN_READWRITE
}
});
await Promise.all([
sequelizeReadOnly.query(createTableBar)
.should.be.rejectedWith(Error, 'SQLITE_READONLY: attempt to write a readonly database'),
sequelizeReadWrite.query(createTableBar)
]);
} finally {
await promisify(fs.unlink)(p);
}
});
}
});
});