node-querybuilder/test/mssql/03-tests-update_batch.js

Modeled after Codeigniter's QueryBuilder. Build and execute queries in a safe and database-agnostic way.

const should = require('chai').should();
const expect = require('chai').expect;
const QueryBuilder = require('../../drivers/mssql/query_builder.js');
const qb = new QueryBuilder();

const test_where = {quadrant: 'Alpha'};
const test_data = [{id:3, name:'Milky Way', type: 'spiral'}, {id:4, name: 'Andromeda', type: 'spiral'}];

describe('MSSQL: update_batch()', () => {
    it('should exist', () => {
        should.exist(qb.update_batch);
    });
    it('should be a function', () => {
        qb.update_batch.should.be.a('function');
    });
    it('should build a proper batch UPDATE string', () => {
        qb.reset_query();
        const sql = qb.update_batch('galaxies', test_data, 'id');
        sql.should.eql(["UPDATE ([galaxies]) SET [name] = CASE WHEN [id] = 3 THEN 'Milky Way' WHEN [id] = 4 THEN 'Andromeda' ELSE [name] END, [type] = CASE WHEN [id] = 3 THEN 'spiral' WHEN [id] = 4 THEN 'spiral' ELSE [type] END WHERE [id] IN (3,4)"]);
    });
    it('should build a proper batch UPDATE string when where clause is provided', () => {
        qb.reset_query();
        const sql = qb.update_batch('galaxies', test_data, 'id', test_where);
        sql.should.eql(["UPDATE ([galaxies]) SET [name] = CASE WHEN [id] = 3 THEN 'Milky Way' WHEN [id] = 4 THEN 'Andromeda' ELSE [name] END, [type] = CASE WHEN [id] = 3 THEN 'spiral' WHEN [id] = 4 THEN 'spiral' ELSE [type] END WHERE [quadrant] = 'Alpha' AND [id] IN (3,4)"]);
    });
});