index.js

define(function module(require) { "use strict";

  var errorIfFalse = function(check) {
    if(!check) {
      throw new Error('OH NO!');
    }
  };

  var withLogging = require('./src/withlogging');
  var select = require('./src/select');

  var AddExpr = require('./tests/fixtures/expr').AddExpr;
  var NegExpr = require('./tests/fixtures/expr').NegExpr;
  var NumExpr = require('./tests/fixtures/expr').NumExpr;

  withLogging.call(AddExpr);

  var seventeen = new NumExpr(17);
  var adExpr = new AddExpr(
    new NegExpr(
      seventeen
    ),
    new NumExpr(42)
  );

  var threshold = 10;
  var selection = select(AddExpr, function(expr) {
    return expr.result() > threshold;
  });

  errorIfFalse(selection.size() === 1);

  var manualSelectionSize = 0;
  selection
    .enter(function(item) {
      manualSelectionSize++;
    })
    .exit(function(item) {
      manualSelectionSize--;
    });

  errorIfFalse(manualSelectionSize === 1);

  var mappedSelection = selection.map(function(addExpr) {
    return new NumExpr(addExpr.result());
  })
    .enter(function(numExpr) {
      console.log('new NumExpr through maping', numExpr);
    });


  errorIfFalse(mappedSelection.size() === 1);
  mappedSelection.now().forEach(function(numExpr) {
    errorIfFalse(numExpr.result() === 25);
  });

  var five = new NumExpr(5);
  var expr = new AddExpr(
    five,
    adExpr
  );
  errorIfFalse(expr.result() === 30);
  errorIfFalse(selection.size() === 2);
  errorIfFalse(manualSelectionSize === 2);

  errorIfFalse(mappedSelection.size() === 2);
  mappedSelection.now().forEach(function(numExpr) {
    errorIfFalse(
      numExpr.result() === 25 ||
      numExpr.result() === 30
    );
  });

  five.val = -30;
  errorIfFalse(expr.result() === -5);
  errorIfFalse(selection.size() === 1);
  errorIfFalse(manualSelectionSize === 1);

  errorIfFalse(mappedSelection.size() === 1);
  mappedSelection.now().forEach(function(numExpr) {
    errorIfFalse(numExpr.result() === 25);
  });

  seventeen.val = 70;
  errorIfFalse(expr.result() === -58);
  errorIfFalse(selection.size() === 0);
  errorIfFalse(manualSelectionSize === 0);

  errorIfFalse(mappedSelection.size() === 0);

  var eleven = new NegExpr(
    new NegExpr(
      new NumExpr(11)
    )
  );
  var expr2 = new AddExpr(
    eleven,
    new NumExpr(0)
  );
  errorIfFalse(expr2.result() === 11);
  errorIfFalse(selection.size() === 1);
  errorIfFalse(manualSelectionSize === 1);

  errorIfFalse(mappedSelection.size() === 1);
  mappedSelection.now().forEach(function(numExpr) {
    errorIfFalse(numExpr.result() === 11);
  });

  var newFive = new NumExpr(5)
  eleven.expr = newFive;
  errorIfFalse(expr2.result() === -5);
  errorIfFalse(selection.size() === 0);
  errorIfFalse(manualSelectionSize === 0);

  errorIfFalse(mappedSelection.size() === 0);

  newFive.val = -11;
  console.log('Size of Selection', selection.size());
  errorIfFalse(expr2.result() === 11);
  errorIfFalse(selection.size() === 1);
  errorIfFalse(manualSelectionSize === 1);

  errorIfFalse(mappedSelection.size() === 1);
  mappedSelection.now().forEach(function(numExpr) {
    errorIfFalse(numExpr.result() === 11);
  });

  expr2.destroy();
  expr2.destroy();
  console.log('Size of Selection', selection.size());
  errorIfFalse(selection.size() === 0);
  errorIfFalse(manualSelectionSize === 0);

  errorIfFalse(mappedSelection.size() === 0);

  /**
   * .layer test
   */
  var Person = require('./tests/fixtures/person').Person;

  withLogging.call(Person);

  var jenkinsName = 'Jenkins';
  var travisName = 'Travis';
  var jenkins = new Person(jenkinsName);
  var travis = new Person(travisName, Person.Dr);

  console.log(jenkins, travis);

  var drRefinement = {
    getName: function() {
      return Person.Dr + ' ' + cop.proceed();
    }
  };

  var TestLayer = new Layer('WHAT?')
      .refineObject(travis, drRefinement);
  console.log(TestLayer);
  //TestLayer.beGlobal();
  var doctors = select(Person, function(p) {
    return p.title === Person.Dr;
  })
      .layer(drRefinement);

  errorIfFalse(jenkins.getName() === jenkinsName);
  errorIfFalse(travis.getName() === Person.Dr + ' ' + travisName);
  console.log(travis.getName());
  travis.setTitle(Person.NoTitle);
  errorIfFalse(travis.getName() === travisName);
  console.log(travis.getName());

  var herukoName = 'Heruko';
  var heruko = new Person(herukoName, Person.Dr);

  console.log(heruko);
  errorIfFalse(heruko.getName() === Person.Dr + ' ' + herukoName);
});