sqmicro-driver-pg/test/pg-insert.test.js

Postgres driver for SQ micro connection

/**
 * Test INSERT / COPY queries
 */
const PgDriver = require('..');
const Connection = require('sqmicro-connection')(PgDriver);

// To simulate network problems use socat:
// socat TCP-LISTEN:5435,reuseaddr,fork TCP:localhost:5433
const connectionString = 'postgresql://user:passuser@localhost:5435/proto-pgs';

process.on('SIGINT', async () => {
    await connection.disconnect();
    console.log('Bye, bye user...');
    process.exit();
});

process.on('unhandledRejection', (reason, p) => {
    reason.stack;
    console.error('Unhandled Rej ', reason)
});

const connection = new Connection({ connectionString });
connection.on('error', e => console.log(`got error: ${e}`));
connection.connect().then(work);

async function work() {
    console.log('Inserting 1 row');
    const sql1 = 'INSERT INTO command(type, message, id) VALUES($1, $2, $3)';
    const values = ['insert', 'testing insert', `${new Date().toISOString()}`];
    const res1 = await connection.query(sql1, values);
    console.log(`Got response: ${JSON.stringify(res1)}`);

    console.log(`Copying 3 rows`);
    const rows = new Set();
    [1,2,3].forEach(i => {
        rows.add({
            type: 'copy',
            message: `msg ${i}`,
            id: Date.now() + i
        });
    });
    
    const res2 = await connection.copy(
        'command',
        rows, {
            fieldNames: 'type message id'.split(' '),
            delimiter: '|'
        });
    
    console.log(`Got response: ${JSON.stringify(res2)}`);

    await connection.disconnect();
    console.log('CY later, alligator!');
}