module('Data adaptor - Tokenizer');

test('triggers the select event', function (assert) {

assert.expect(2);

var SelectData = require('select2/data/select');
var Tokenizer = require('select2/data/tokenizer');
var Tags = require('select2/data/tags');

var Options = require('select2/options');
var Utils = require('select2/utils');

var $ = require('jquery');

var TokenizedSelect = Utils.Decorate(
  Utils.Decorate(SelectData, Tags),
  Tokenizer
);
var $select = $('#qunit-fixture .single');

var options = new Options({
  tags: true,
  tokenSeparators: [',']
});

var container = new MockContainer();
container.dropdown = container.selection = {};

var $container = $('<div></div>');

var data = new TokenizedSelect($select, options);
data.bind(container, $container);

data.on('select', function () {
  assert.ok(true, 'The select event should be triggered');
});

data.query({
  term: 'first,second'
}, function () {
  assert.ok(true, 'The callback should have succeeded');
});

});

test('createTag can return null', function (assert) {

assert.expect(3);

var SelectData = require('select2/data/select');
var Tokenizer = require('select2/data/tokenizer');
var Tags = require('select2/data/tags');

var Options = require('select2/options');
var Utils = require('select2/utils');

var $ = require('jquery');

var TokenizedSelect = Utils.Decorate(
  Utils.Decorate(SelectData, Tags),
  Tokenizer
);
var $select = $('#qunit-fixture .single');

var options = new Options({
  tags: true,
  tokenSeparators: [','],
  createTag: function () {
    assert.ok(true, 'createTag should have been called');

    return null;
  }
});

var container = new MockContainer();
container.dropdown = container.selection = {};

var $container = $('<div></div>');

var data = new TokenizedSelect($select, options);
data.bind(container, $container);

data.on('select', function (params) {
  if (params.data == null) {
    assert.ok(false, 'Null data should never be selected');
  }
});

data.query({
  term: 'first,second'
}, function () {
  assert.ok(true, 'The callback should have succeeded');
});

});

test('createTag returning null does not cut the term', function (assert) {

assert.expect(4);

var SelectData = require('select2/data/select');
var Tokenizer = require('select2/data/tokenizer');
var Tags = require('select2/data/tags');

var Options = require('select2/options');
var Utils = require('select2/utils');

var $ = require('jquery');

var TokenizedSelect = Utils.Decorate(
  Utils.Decorate(SelectData, Tags),
  Tokenizer
);
var $select = $('#qunit-fixture .single');

var options = new Options({
  tags: true,
  tokenSeparators: [',', '"'],
  createTag: function (params) {
    var term = params.term;

    // Ignore blanks
    if (term.length === 0) {
      return null;
    }

    // Ignore the leading quote
    if (term === '"') {
      return null;
    }

    // If there is a leading quote, check for a second one
    if (term[0] === '"' && term[term.length - 1] !== '"') {
      return null;
    }

    var text = term.substr(1, term.length - 2);

    return {
      id: term,
      text: text
    };
  }
});

var container = new MockContainer();
container.dropdown = container.selection = {};

var $container = $('<div></div>');

var data = new TokenizedSelect($select, options);
data.bind(container, $container);

data.on('select', function (params) {
  assert.ok(params.data, 'Data should not be null');

  assert.equal(
    params.data.id,
    '"first, second"',
    'The id should have the quotes'
  );

  assert.equal(
    params.data.text,
    'first, second',
    'The text should not have the quotes'
  );
});

data.query({
  term: '"first, second",abc'
}, function () {
  assert.ok(true, 'The callback should have succeeded');
});

});

test('works with multiple tokens given', function (assert) {

assert.expect(4);

var SelectData = require('select2/data/select');
var Tokenizer = require('select2/data/tokenizer');
var Tags = require('select2/data/tags');

var Options = require('select2/options');
var Utils = require('select2/utils');

var $ = require('jquery');

var TokenizedSelect = Utils.Decorate(
  Utils.Decorate(SelectData, Tags),
  Tokenizer
);
var $select = $('#qunit-fixture .multiple');

var options = new Options({
  tags: true,
  tokenSeparators: [',']
});

var container = new MockContainer();
container.dropdown = container.selection = {};

var $container = $('<div></div>');

var data = new TokenizedSelect($select, options);
data.bind(container, $container);

data.on('select', function () {
  assert.ok(true, 'The select event should be triggered');
});

data.query({
  term: 'first,second,third'
}, function () {
  assert.ok(true, 'The callback should have succeeded');
});

assert.equal(
  $select.children('option').length,
  3,
  'The two new tags should have been created'
);

});