alasql/test/test152.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

if(typeof exports === 'object') {
	var assert = require("assert");
	var alasql = require('..');
} else {
	__dirname = '.';
};

if(typeof exports == 'object') {
	var DOMStorage = require("dom-storage")
	global.localStorage = new DOMStorage("./test149.json", { strict: false, ws: '' });
};

describe('Test 152 - INSERT/DELETE/UPDATE for localStorage with AUTOCOMMIT', function() {

	it("1. Create database", function(done){
		alasql('SET AUTOCOMMIT ON');
		alasql('DROP localStorage DATABASE IF EXISTS ls152');
		alasql('CREATE localStorage DATABASE IF NOT EXISTS ls152');
		alasql('ATTACH localStorage DATABASE ls152');
		alasql('CREATE TABLE IF NOT EXISTS ls152.one (a int, b string)');
		alasql('INSERT INTO ls152.one VALUES (1,"Rome"),(2,"London"),(3,"Berlin"),(4,"Paris")');
//		console.log(alasql.databases.ls152.tables.one.data);
//		assert(!alasql.databases.ls152.tables.one.data);

		var res = alasql('SELECT * FROM ls152.one');
		assert.deepEqual(res, [{"a":1,"b":"Rome"},{"a":2,"b":"London"},{"a":3,"b":"Berlin"},{a:4,b:'Paris'}]);
		done();
	});

	it("2. Create second table (INSERT SELECT)", function(done){
		alasql('CREATE TABLE IF NOT EXISTS ls152.two (a int, b string)');
//		var res = alasql('SELECT * FROM ls152.one');
//		console.log(res);
//		console.table(alasql('SELECT * FROM ls152.one WHERE a IN (2,3)'));
//debugger;
		alasql('INSERT INTO ls152.two SELECT * FROM ls152.one WHERE a IN (2,3)');
		var res = alasql('SELECT * FROM ls152.two');
		assert.deepEqual(res, [{"a":2,"b":"London"},{"a":3,"b":"Berlin"}]);
		done();
	});

	it("3. DELETE FROM", function(done){
		alasql('DELETE FROM ls152.two WHERE a=3');
		var res = alasql('SELECT * FROM ls152.two');
		assert.deepEqual(res, [{"a":2,"b":"London"}]);
		done();
	});

	it("4. UPDATE", function(done){
		alasql('UPDATE ls152.one SET b="Prague" WHERE a IN (2,3)');
		var res = alasql('SELECT * FROM ls152.one');
		assert.deepEqual(res, [{"a":1,"b":"Rome"},{"a":2,"b":"Prague"},{"a":3,"b":"Prague"},{a:4,b:'Paris'}]);		
		done();
	});

	it("99. Detach database", function(done){
		alasql('DETACH DATABASE ls152');
		alasql('DROP localStorage DATABASE ls152');
		done();
	});
});