alasql/test/test219.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 219 CREATE VIEW', function() {
    it("1. CREATE VIEW SYNTAX", function(done) {
        alasql('CREATE DATABASE test219;USE test219;\
        	CREATE TABLE one (a INT, b STRING); \
        	INSERT INTO one VALUES (1,"one"),(2,"two"),(3,"three")');
        alasql('CREATE VIEW myview (a) AS SELECT a FROM one');
        done();
    });
    it("2. RUN FROM VIEW", function(done) {
    	var res = alasql('SELECT * FROM myview');
//    	console.log(res);
    	assert.deepEqual(res, [{"a":1},{"a":2},{"a":3}]);
        done();
    });
    it("3. RUN FROM JOIN VIEW", function(done) {
    	var res = alasql('SELECT one.a as a1, myview.a as a2 FROM one JOIN myview ON one.a = myview.a');
//    	console.log(res);
    	assert.deepEqual(res,[{"a1":1,"a2":1},{"a1":2,"a2":2},{"a1":3,"a2":3}]);
        done();
    });

    it("4. CHANGE DATA IN VIEW", function(done) {
    	alasql('INSERT INTO one VALUES (4,"four")');
    	var res = alasql('SELECT * FROM myview');
//    	console.log(res);
    	assert.deepEqual(res, [{"a":1},{"a":2},{"a":3},{"a":4}]);
        done();
    });

    it("5. DROP VIEW", function(done) {
    	alasql('DROP VIEW myview');
        done();
    });
    it("99. Drop database", function(done) {
    	alasql('DROP DATABASE test219');
        done();
    });
});