nodejs/test/parallel/test-sqlite-named-parameters.js

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'use strict';
require('../common');
const tmpdir = require('../common/tmpdir');
const { join } = require('node:path');
const { DatabaseSync } = require('node:sqlite');
const { suite, test } = require('node:test');
let cnt = 0;
tmpdir.refresh();
function nextDb() {
return join(tmpdir.path, `database-${cnt++}.db`);
}
suite('named parameters', () => {
test('throws on unknown named parameters', (t) => {
const db = new DatabaseSync(nextDb());
t.after(() => { db.close(); });
const setup = db.exec(
'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
);
t.assert.strictEqual(setup, undefined);
t.assert.throws(() => {
const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, $v)');
stmt.run({ $k: 1, $unknown: 1 });
}, {
code: 'ERR_INVALID_STATE',
message: /Unknown named parameter '\$unknown'/,
});
});
test('bare named parameters are supported', (t) => {
const db = new DatabaseSync(nextDb());
t.after(() => { db.close(); });
const setup = db.exec(
'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
);
t.assert.strictEqual(setup, undefined);
const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $v)');
stmt.run({ k: 1, v: 9 });
t.assert.deepStrictEqual(
db.prepare('SELECT * FROM data').get(),
{ __proto__: null, key: 1, val: 9 },
);
});
test('duplicate bare named parameters are supported', (t) => {
const db = new DatabaseSync(nextDb());
t.after(() => { db.close(); });
const setup = db.exec(
'CREATE TABLE data(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
);
t.assert.strictEqual(setup, undefined);
const stmt = db.prepare('INSERT INTO data (key, val) VALUES ($k, $k)');
stmt.run({ k: 1 });
t.assert.deepStrictEqual(
db.prepare('SELECT * FROM data').get(),
{ __proto__: null, key: 1, val: 1 },
);
});
test('bare named parameters throw on ambiguous names', (t) => {
const db = new DatabaseSync(nextDb());
t.after(() => { db.close(); });
const setup = db.exec(
'CREATE TABLE types(key INTEGER PRIMARY KEY, val INTEGER) STRICT;'
);
t.assert.strictEqual(setup, undefined);
const stmt = db.prepare('INSERT INTO types (key, val) VALUES ($k, @k)');
t.assert.throws(() => {
stmt.run({ k: 1 });
}, {
code: 'ERR_INVALID_STATE',
message: 'Cannot create bare named parameter \'k\' because of ' +
'conflicting names \'$k\' and \'@k\'.',
});
});
});