CoastalCommitsPastes/server/node_modules/sqlite3/test/serialization.test.js
2022-03-06 16:46:59 -08:00

104 lines
3.3 KiB
JavaScript

var sqlite3 = require('..');
var assert = require('assert');
describe('serialize() and parallelize()', function() {
var db;
before(function(done) { db = new sqlite3.Database(':memory:', done); });
var inserted1 = 0;
var inserted2 = 0;
var retrieved = 0;
var count = 1000;
it('should toggle', function(done) {
db.serialize();
db.run("CREATE TABLE foo (txt text, num int, flt float, blb blob)");
db.parallelize(done);
});
it('should insert rows', function() {
var stmt1 = db.prepare("INSERT INTO foo VALUES(?, ?, ?, ?)");
var stmt2 = db.prepare("INSERT INTO foo VALUES(?, ?, ?, ?)");
for (var i = 0; i < count; i++) {
// Interleaved inserts with two statements.
stmt1.run('String ' + i, i, i * Math.PI, function(err) {
if (err) throw err;
inserted1++;
});
i++;
stmt2.run('String ' + i, i, i * Math.PI, function(err) {
if (err) throw err;
inserted2++;
});
}
stmt1.finalize();
stmt2.finalize();
});
it('should have inserted all the rows after synchronizing with serialize()', function(done) {
db.serialize();
db.all("SELECT txt, num, flt, blb FROM foo ORDER BY num", function(err, rows) {
if (err) throw err;
for (var i = 0; i < rows.length; i++) {
assert.equal(rows[i].txt, 'String ' + i);
assert.equal(rows[i].num, i);
assert.equal(rows[i].flt, i * Math.PI);
assert.equal(rows[i].blb, null);
retrieved++;
}
assert.equal(count, inserted1 + inserted2, "Didn't insert all rows");
assert.equal(count, retrieved, "Didn't retrieve all rows");
done();
});
});
after(function(done) { db.close(done); });
});
describe('serialize(fn)', function() {
var db;
before(function(done) { db = new sqlite3.Database(':memory:', done); });
var inserted = 0;
var retrieved = 0;
var count = 1000;
it('should call the callback', function(done) {
db.serialize(function() {
db.run("CREATE TABLE foo (txt text, num int, flt float, blb blob)");
var stmt = db.prepare("INSERT INTO foo VALUES(?, ?, ?, ?)");
for (var i = 0; i < count; i++) {
stmt.run('String ' + i, i, i * Math.PI, function(err) {
if (err) throw err;
inserted++;
});
}
stmt.finalize();
db.all("SELECT txt, num, flt, blb FROM foo ORDER BY num", function(err, rows) {
if (err) throw err;
for (var i = 0; i < rows.length; i++) {
assert.equal(rows[i].txt, 'String ' + i);
assert.equal(rows[i].num, i);
assert.equal(rows[i].flt, i * Math.PI);
assert.equal(rows[i].blb, null);
retrieved++;
}
done();
});
});
});
it('should have inserted and retrieved all rows', function() {
assert.equal(count, inserted, "Didn't insert all rows");
assert.equal(count, retrieved, "Didn't retrieve all rows");
});
after(function(done) { db.close(done); });
});