alasql/test/test304.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 = '.';
};

describe('Test 304 SEARCH over JSON', function() {

  it('0. Create database ',function(done){
    var res = alasql('CREATE DATABASE test304;USE test304');
    done();
  });


  it('1. INSTANCEOF selector',function(done){

    var People = alasql.fn.People = function() {};
    var City = alasql.fn.City = function() {};


    var p1 = new People;
    p1.name = "John";
    var p2 = new People;
    p2.name = "Mary";
    var c1 = new City;
    c1.name = "Milano";
    var c2 = new City;
    c2.name = "Odessa";

    var data = [p1,c1,p2,c2];

    var res = alasql('SEARCH / INSTANCEOF(City) name FROM ?',[data]);
    assert.deepEqual(res, ["Milano","Odessa"]);
    done();    
  });

  it('2. CLASS() selector',function(done){
    alasql('CREATE CLASS Person');
    alasql('CREATE CLASS City');
    alasql('INSERT INTO Person VALUES {name:"John"},{name:"Mary"}');
    alasql('INSERT INTO City VALUES {name:"Madrid"},{name:"Kyoto"}');
    var res = alasql('SEARCH / CLASS(City) name');
    assert.deepEqual(res, ["Madrid","Kyoto"]);
    done();    
  });

  it('3. PLUS selector',function(done){
    var data = {a:{a:{a:{a:{b:10}}}}};
    var res = alasql('SEARCH a b FROM ?',[data]);
    assert.deepEqual(res, []);

    var res = alasql('SEARCH (a)+ b FROM ?',[data]);
    assert.deepEqual(res, [10]);

    var res = alasql('SEARCH (a a)+ b FROM ?',[data]);
    assert.deepEqual(res, [10]);

    var res = alasql('SEARCH (a a a)+ b FROM ?',[data]);
    assert.deepEqual(res, []);

    var res = alasql('SEARCH (/)+ b FROM ?',[data]);
    assert.deepEqual(res, [10]);

    var res = alasql('SEARCH /+b FROM ?',[data]);
    assert.deepEqual(res, [10]);

    done();    
  });

  it('4. STAR and QUESTION selector',function(done){
    var data = {a:{a:{a:{a:{b:10}}}},b:20};
    var res = alasql('SEARCH a* b FROM ?',[data]);
    assert.deepEqual(res, [20,10]);

    var res = alasql('SEARCH a+ b FROM ?',[data]);
    assert.deepEqual(res, [10]);

    var res = alasql('SEARCH a? b FROM ?',[data]);
    assert.deepEqual(res, [20]);

    done();    
  });

  it('5. STAR and QUESTION selectors in GRAPHS',function(done){
    alasql('SET @olga = (CREATE VERTEX "Olga")');
    alasql('SET @helen = (CREATE VERTEX "Helen")');
    alasql('SET @pablo = (CREATE VERTEX "Pablo")');
    alasql('SET @andrey = (CREATE VERTEX "Andrey")');
    alasql('SET @sofia = (CREATE VERTEX "Sofia")');
    alasql('CREATE EDGE FROM @olga TO @pablo');
    alasql('CREATE EDGE FROM @helen TO @andrey');
    alasql('CREATE EDGE FROM @pablo TO @sofia');
    alasql('CREATE EDGE FROM @andrey TO @sofia');

    var res = alasql('SEARCH / AS @p (>>)+ "Sofia" @(@p) name');
    assert.deepEqual(res, ['Olga','Helen','Pablo','Andrey']);
    var res = alasql('SEARCH / AS @p (>>)* "Sofia" @(@p) name');
    assert.deepEqual(res, ['Olga','Helen','Pablo','Andrey','Sofia']);

    var res = alasql('SEARCH / "Olga" >> name');
    assert.deepEqual(res, ['Pablo']);
    var res = alasql('SEARCH / "Olga" (>>)? name');
    assert.deepEqual(res, ['Olga','Pablo']);

    done();
  });

  it('6. STAR and QUESTION selectors in GRAPHS',function(done){
    var res = alasql('SEARCH / "Olga" (>>)+ name');
    assert.deepEqual(res, ['Pablo','Sofia']);
    var res = alasql('SEARCH / "Olga" (>>)* name');
    assert.deepEqual(res, ['Olga','Pablo','Sofia']);

    var res = alasql('SEARCH / IF(>> >> "Sofia") name');
    assert.deepEqual(res, ['Olga','Helen']);


    done();
  });

  it('99. Create database ',function(done){
    var res = alasql('DROP DATABASE test304');
    done();
  });

});