alasql/test/test179.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') {

describe('Test 179 - function in GROUP BY', function() {

var authors = 
[  { id: 1, name: 'adam'},
   { id: 2, name: 'bob'},
   { id: 3, name: 'charlie'}
];

var books = 
[  { author_id: 1, title: 'Coloring for beginners'}, 
   { author_id: 1, title: 'Advanced coloring'}, 
   { author_id: 2, title: '50 Hikes in New England'},
   { author_id: 2, title: '50 Hikes in Illinois'},
   { author_id: 3, title: 'String Theory for Dummies'}, ];
 
	it("1. SELECT", function(done) {
//        var res = alasql('SELECT authors.*, books.author_id, books.title FROM ? authors LEFT JOIN ? books \
//        ON authors.id = books.author_id',[authors, books]);

//        var res = alasql('SELECT authors.*, books.* FROM ? authors LEFT JOIN ? books \
//        ON authors.id = books.author_id',[authors, books]);

        var res = alasql('SELECT * FROM ? authors LEFT JOIN ? books \
        ON authors.id = books.author_id',[authors, books]);
//        console.log(res);
        assert(res.length == 5);
    // assert.deepEqual(res, [ 
    //     { continent: 'Europe', 'COUNT(*)': 4 },
    //     { continent: 'Asia', 'COUNT(*)': 2 } ]
    // );
//    console.log(res);
    done();
  });

    it("2. SELECT with JOIN", function(done) {
        var res = alasql('SELECT authors.*, books.author_id, books.title FROM ? authors LEFT JOIN ? books \
        ON authors.id = books.author_id',[authors, books]);

        assert(res.length == 5);

        var res = alasql('SELECT * FROM ? authors LEFT JOIN ? books \
        ON authors.id = books.author_id',[authors, books]);
        assert(res.length == 5);

//        console.log(res);
    // assert.deepEqual(res, [ 
    //     { continent: 'Europe', 'COUNT(*)': 4 },
    //     { continent: 'Asia', 'COUNT(*)': 2 } ]
    // );
//    console.log(res);
    done();
  });

});