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opfs for sync in one commit!
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Nikita Sivukhin
288
bindings/javascript/sync/packages/native/promise.test.ts
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288
bindings/javascript/sync/packages/native/promise.test.ts
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import { unlinkSync } from "node:fs";
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import { expect, test } from 'vitest'
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import { connect, DatabaseRowMutation, DatabaseRowTransformResult } from './promise.js'
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const localeCompare = (a, b) => a.x.localeCompare(b.x);
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test('select-after-push', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS t(x)");
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await db.exec("DELETE FROM t");
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await db.push();
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await db.close();
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}
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("INSERT INTO t VALUES (1), (2), (3)");
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await db.push();
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}
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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const rows = await db.prepare('SELECT * FROM t').all();
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expect(rows).toEqual([{ x: 1 }, { x: 2 }, { x: 3 }])
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}
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})
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test('select-without-push', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS t(x)");
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await db.exec("DELETE FROM t");
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await db.push();
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await db.close();
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}
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("INSERT INTO t VALUES (1), (2), (3)");
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}
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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const rows = await db.prepare('SELECT * FROM t').all();
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expect(rows).toEqual([])
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}
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})
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test('merge-non-overlapping-keys', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS q(x TEXT PRIMARY KEY, y)");
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await db.exec("DELETE FROM q");
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await db.push();
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await db.close();
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}
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db1.exec("INSERT INTO q VALUES ('k1', 'value1'), ('k2', 'value2')");
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db2.exec("INSERT INTO q VALUES ('k3', 'value3'), ('k4', 'value4'), ('k5', 'value5')");
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await Promise.all([db1.push(), db2.push()]);
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await Promise.all([db1.pull(), db2.pull()]);
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const rows1 = await db1.prepare('SELECT * FROM q').all();
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const rows2 = await db1.prepare('SELECT * FROM q').all();
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const expected = [{ x: 'k1', y: 'value1' }, { x: 'k2', y: 'value2' }, { x: 'k3', y: 'value3' }, { x: 'k4', y: 'value4' }, { x: 'k5', y: 'value5' }];
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expect(rows1.sort(localeCompare)).toEqual(expected.sort(localeCompare))
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expect(rows2.sort(localeCompare)).toEqual(expected.sort(localeCompare))
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})
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test('last-push-wins', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS q(x TEXT PRIMARY KEY, y)");
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await db.exec("DELETE FROM q");
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await db.push();
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await db.close();
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}
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db1.exec("INSERT INTO q VALUES ('k1', 'value1'), ('k2', 'value2'), ('k4', 'value4')");
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db2.exec("INSERT INTO q VALUES ('k1', 'value3'), ('k2', 'value4'), ('k3', 'value5')");
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await db2.push();
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await db1.push();
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await Promise.all([db1.pull(), db2.pull()]);
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const rows1 = await db1.prepare('SELECT * FROM q').all();
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const rows2 = await db1.prepare('SELECT * FROM q').all();
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const expected = [{ x: 'k1', y: 'value1' }, { x: 'k2', y: 'value2' }, { x: 'k3', y: 'value5' }, { x: 'k4', y: 'value4' }];
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expect(rows1.sort(localeCompare)).toEqual(expected.sort(localeCompare))
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expect(rows2.sort(localeCompare)).toEqual(expected.sort(localeCompare))
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})
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test('last-push-wins-with-delete', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS q(x TEXT PRIMARY KEY, y)");
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await db.exec("DELETE FROM q");
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await db.push();
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await db.close();
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}
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db1.exec("INSERT INTO q VALUES ('k1', 'value1'), ('k2', 'value2'), ('k4', 'value4')");
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await db1.exec("DELETE FROM q")
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db2.exec("INSERT INTO q VALUES ('k1', 'value3'), ('k2', 'value4'), ('k3', 'value5')");
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await db2.push();
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await db1.push();
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await Promise.all([db1.pull(), db2.pull()]);
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const rows1 = await db1.prepare('SELECT * FROM q').all();
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const rows2 = await db1.prepare('SELECT * FROM q').all();
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const expected = [{ x: 'k3', y: 'value5' }];
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expect(rows1).toEqual(expected)
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expect(rows2).toEqual(expected)
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})
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test('constraint-conflict', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS u(x TEXT PRIMARY KEY, y UNIQUE)");
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await db.exec("DELETE FROM u");
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await db.push();
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await db.close();
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}
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db1.exec("INSERT INTO u VALUES ('k1', 'value1')");
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db2.exec("INSERT INTO u VALUES ('k2', 'value1')");
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await db1.push();
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await expect(async () => await db2.push()).rejects.toThrow('SQLite error: UNIQUE constraint failed: u.y');
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})
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test('checkpoint', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS q(x TEXT PRIMARY KEY, y)");
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await db.exec("DELETE FROM q");
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await db.push();
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await db.close();
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}
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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for (let i = 0; i < 1000; i++) {
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await db1.exec(`INSERT INTO q VALUES ('k${i}', 'v${i}')`);
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}
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expect((await db1.stats()).mainWal).toBeGreaterThan(4096 * 1000);
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await db1.checkpoint();
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expect((await db1.stats()).mainWal).toBe(0);
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let revertWal = (await db1.stats()).revertWal;
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expect(revertWal).toBeLessThan(4096 * 1000 / 100);
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for (let i = 0; i < 1000; i++) {
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await db1.exec(`UPDATE q SET y = 'u${i}' WHERE x = 'k${i}'`);
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}
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await db1.checkpoint();
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expect((await db1.stats()).revertWal).toBe(revertWal);
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})
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test('persistence', async () => {
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{
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const db = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL });
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await db.exec("CREATE TABLE IF NOT EXISTS q(x TEXT PRIMARY KEY, y)");
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await db.exec("DELETE FROM q");
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await db.push();
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await db.close();
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}
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const path = `test-${(Math.random() * 10000) | 0}.db`;
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try {
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{
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const db1 = await connect({ path: path, url: process.env.VITE_TURSO_DB_URL });
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await db1.exec(`INSERT INTO q VALUES ('k1', 'v1')`);
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await db1.exec(`INSERT INTO q VALUES ('k2', 'v2')`);
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await db1.close();
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}
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{
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const db2 = await connect({ path: path, url: process.env.VITE_TURSO_DB_URL });
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await db2.exec(`INSERT INTO q VALUES ('k3', 'v3')`);
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await db2.exec(`INSERT INTO q VALUES ('k4', 'v4')`);
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const rows = await db2.prepare('SELECT * FROM q').all();
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const expected = [{ x: 'k1', y: 'v1' }, { x: 'k2', y: 'v2' }, { x: 'k3', y: 'v3' }, { x: 'k4', y: 'v4' }];
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expect(rows).toEqual(expected)
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await db2.close();
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}
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{
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const db3 = await connect({ path: path, url: process.env.VITE_TURSO_DB_URL });
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await db3.push();
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await db3.close();
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}
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{
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const db4 = await connect({ path: path, url: process.env.VITE_TURSO_DB_URL });
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const rows = await db4.prepare('SELECT * FROM q').all();
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const expected = [{ x: 'k1', y: 'v1' }, { x: 'k2', y: 'v2' }, { x: 'k3', y: 'v3' }, { x: 'k4', y: 'v4' }];
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expect(rows).toEqual(expected)
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await db4.close();
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}
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} finally {
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unlinkSync(path);
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unlinkSync(`${path}-wal`);
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unlinkSync(`${path}-info`);
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unlinkSync(`${path}-changes`);
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try { unlinkSync(`${path}-revert`) } catch (e) { }
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}
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})
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test('transform', async () => {
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{
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const db = await connect({
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path: ':memory:',
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url: process.env.VITE_TURSO_DB_URL,
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});
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await db.exec("CREATE TABLE IF NOT EXISTS counter(key TEXT PRIMARY KEY, value INTEGER)");
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await db.exec("DELETE FROM counter");
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await db.exec("INSERT INTO counter VALUES ('1', 0)")
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await db.push();
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await db.close();
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}
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const transform = (m: DatabaseRowMutation) => ({
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operation: 'rewrite',
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stmt: {
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sql: `UPDATE counter SET value = value + ? WHERE key = ?`,
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values: [m.after.value - m.before.value, m.after.key]
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}
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} as DatabaseRowTransformResult);
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL, transform: transform });
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL, transform: transform });
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await db1.exec("UPDATE counter SET value = value + 1 WHERE key = '1'");
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await db2.exec("UPDATE counter SET value = value + 1 WHERE key = '1'");
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await Promise.all([db1.push(), db2.push()]);
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await Promise.all([db1.pull(), db2.pull()]);
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const rows1 = await db1.prepare('SELECT * FROM counter').all();
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const rows2 = await db2.prepare('SELECT * FROM counter').all();
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expect(rows1).toEqual([{ key: '1', value: 2 }]);
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expect(rows2).toEqual([{ key: '1', value: 2 }]);
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})
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test('transform-many', async () => {
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{
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const db = await connect({
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path: ':memory:',
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url: process.env.VITE_TURSO_DB_URL,
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});
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await db.exec("CREATE TABLE IF NOT EXISTS counter(key TEXT PRIMARY KEY, value INTEGER)");
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await db.exec("DELETE FROM counter");
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await db.exec("INSERT INTO counter VALUES ('1', 0)")
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await db.push();
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await db.close();
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}
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const transform = (m: DatabaseRowMutation) => ({
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operation: 'rewrite',
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stmt: {
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sql: `UPDATE counter SET value = value + ? WHERE key = ?`,
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values: [m.after.value - m.before.value, m.after.key]
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}
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} as DatabaseRowTransformResult);
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const db1 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL, transform: transform });
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const db2 = await connect({ path: ':memory:', url: process.env.VITE_TURSO_DB_URL, transform: transform });
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for (let i = 0; i < 1002; i++) {
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await db1.exec("UPDATE counter SET value = value + 1 WHERE key = '1'");
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}
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for (let i = 0; i < 1001; i++) {
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await db2.exec("UPDATE counter SET value = value + 1 WHERE key = '1'");
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}
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let start = performance.now();
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await Promise.all([db1.push(), db2.push()]);
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console.info('push', performance.now() - start);
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start = performance.now();
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await Promise.all([db1.pull(), db2.pull()]);
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console.info('pull', performance.now() - start);
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const rows1 = await db1.prepare('SELECT * FROM counter').all();
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const rows2 = await db2.prepare('SELECT * FROM counter').all();
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expect(rows1).toEqual([{ key: '1', value: 1001 + 1002 }]);
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expect(rows2).toEqual([{ key: '1', value: 1001 + 1002 }]);
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})
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