alasql/test/test240.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("./test239.json", { strict: false, ws: '' });

};

describe('Test 240 DELETE TEST', function() {

  it('1. Create dtabase', function(done){
    alasql(function(){/*

    SET AUTOCOMMIT OFF;
    DROP localStorage DATABASE IF EXISTS ls240;
    CREATE localStorage DATABASE IF NOT EXISTS ls240;
    ATTACH LOCALSTORAGE DATABASE ls240 AS test240; 
    USE test240;

    CREATE TABLE IF NOT EXISTS one (a int, b string);
    
    INSERT INTO one VALUES (1,"Moscow"), (2, "Kyiv"), (3,"Minsk");
    
    */});

    var res = alasql('SELECT * FROM one');
    assert.deepEqual(res,[ 
    	{ a: 1, b: 'Moscow' },
  		{ a: 2, b: 'Kyiv' },
  		{ a: 3, b: 'Minsk' } ]);

//    var res = alasql('COMMIT TRANSACTION');

    alasql('DELETE FROM one WHERE a = 3');

    var res = alasql('SELECT * FROM one');
    assert.deepEqual(res,[ 
    	{ a: 1, b: 'Moscow' },
  		{ a: 2, b: 'Kyiv' }]);

//    alasql('DELETE FROM one WHERE 1=1');
    alasql('DELETE FROM one');

    var res = alasql('SELECT * FROM one');
    assert.deepEqual(res,[]);

//	console.log(res);
    done();
  });


  it("8.Drop localStorage table", function(done) {
    alasql('DETACH DATABASE test240');
    alasql('DROP LOCALSTORAGE DATABASE ls240');
    done();
  });

});