brainjs/test/unit/lookup.js

Neural network library

var assert = require("assert"),
    lookup = require("../../lib/lookup");


describe('lookup', function() {
  it('lookupFromHash()', function() {
    var lup = lookup.lookupFromHash({ a: 6, b: 7, c: 8 });

    assert.deepEqual(lup, { a: 0, b: 1, c: 2 });
  })

  it('buildLookup()', function() {
    var lup = lookup.buildLookup([{ x: 0, y: 0 },
      { x: 1, z: 0 },
      { q: 0 },
      { x: 1, y: 1 }]);

    assert.deepEqual(lup, { x: 0, y: 1, z: 2, q: 3 })
  })

  it('toArray()', function() {
    var lup = { a: 0, b: 1, c: 2 };

    var array = lookup.toArray(lup, { b: 8, notinlookup: 9 });

    assert.deepEqual(array, [0, 8, 0])
  })

  it('toHash()', function() {
    var lup = { b: 1, a: 0, c: 2 };

    var hash = lookup.toHash(lup, [0, 9, 8]);

    assert.deepEqual(hash, {a: 0, b: 9, c: 8})
  })
})