polybius.fyi/reveal.js/node_modules/portscanner/test.js

import path from 'path';
import fs from 'fs';
import net from 'net';

import test from 'ava';

import portScanner from './lib/portscanner.js'

test.before('Set #1 test server', t => {
    const server = net.createServer();
    server.listen(3000, '127.0.0.1', () => t.end());
});

test.before('Set #2 test server', t => {
    const server2 = net.createServer();
    server2.listen(2999, '127.0.0.1', () => t.end());
});


/* checkPortStatus */

test('checkPortStatus - taken', t => {
    t.plan(2);

    portScanner.checkPortStatus(3000, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.is(port, 'open');
    });
});

test('checkPortStatus - free', t => {
    t.plan(2);

    portScanner.checkPortStatus(3001, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.is(port, 'closed');
    });
});


/* findPortInUse */

test('findPortInUse - taken port in range', t => {
    t.plan(2);

    portScanner.findAPortInUse(3000, 3010, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.is(port, 3000);
    });
});

test('findPortInUse - all ports in range free', t => {
    t.plan(2);

    portScanner.findAPortInUse(3001, 3010, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.false(port);
    });
});


/* findPortNotInUse */

test('findAPortNotInUse - start from free port', t => {
    t.plan(2);

    portScanner.findAPortNotInUse(3001, 3010, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.true(port >= 3001 && port <= 3010);
    });
});

test('findAPortNotInUse - start from taken port', t => {
    t.plan(2);

    portScanner.findAPortNotInUse(3000, 3010, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.true(port >= 3001 && port <= 3010);
    });
});

test('findAPortNotInUse - all ports in range taken', t => {
    t.plan(2);

    portScanner.findAPortNotInUse(2999, 3000, '127.0.0.1', (error, port) => {
        t.is(error, null);
        t.false(port);
    });
});

test('checkPortStatus - taken (port as a string)', t => {
  t.plan(2)

  portScanner.checkPortStatus('3000', '127.0.0.1', (error, port) => {
    t.is(error, null)
    t.is(port, 'open')
  })
})

test('checkPortStatus - free (port as a string)', t => {
  t.plan(2)

  portScanner.checkPortStatus('3001', '127.0.0.1', (error, port) => {
    t.is(error, null)
    t.is(port, 'closed')
  })
})

test('findPortInUse - taken port in range (startPort as a string)', t => {
  t.plan(2)

  portScanner.findAPortInUse('3000', 3010, '127.0.0.1', (error, port) => {
    t.is(error, null)
    t.is(port, '3000')
  })
})

test('findPortInUse - taken port in range (endPort as a string)', t => {
  t.plan(2)

  portScanner.findAPortInUse(3000, '3010', '127.0.0.1', (error, port) => {
    t.is(error, null)
    t.is(port, 3000)
  })
})

test('findPortInUse - taken port in range (startPort and endPort as strings)', t => {
  t.plan(2)

  portScanner.findAPortInUse('3000', '3010', '127.0.0.1', (error, port) => {
    t.is(error, null)
    t.is(port, '3000')
  })
})

// test('findAPortNotInUse - start from free port (startPort as a string)', t => {
//     t.plan(2);

//     portScanner.findAPortNotInUse('3001', 3010, '127.0.0.1', (error, port) => {
//         t.is(error, null);
//         t.true(port !== '3001');
//     });
// });