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Filename : minimumInputLength-tests.js
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module('Data adapters - Minimum input length');

var MinimumInputLength = require('select2/data/minimumInputLength');
var $ = require('jquery');
var Options = require('select2/options');
var Utils = require('select2/utils');

function StubData () {
  this.called = false;
}

StubData.prototype.query = function (params, callback) {
  this.called = true;
};

var MinimumData = Utils.Decorate(StubData, MinimumInputLength);

test('0 never displays the notice', function (assert) {
  var zeroOptions = new Options({
    minimumInputLength: 0
  });

  var data = new MinimumData(null, zeroOptions);

  data.trigger = function () {
    assert.ok(false, 'No events should be triggered');
  };

  data.query({
    term: ''
  });

  assert.ok(data.called);

  data = new MinimumData(null, zeroOptions);

  data.query({
    term: 'test'
  });

  assert.ok(data.called);
});

test('< 0 never displays the notice', function (assert) {
  var negativeOptions = new Options({
    minimumInputLength: -1
  });

  var data = new MinimumData(null, negativeOptions);

  data.trigger = function () {
    assert.ok(false, 'No events should be triggered');
  };

  data.query({
    term: ''
  });

  assert.ok(data.called);

  data = new MinimumData(null, negativeOptions);

  data.query({
    term: 'test'
  });

  assert.ok(data.called);
});

test('triggers when input is not long enough', function (assert) {
  var options = new Options({
    minimumInputLength: 10
  });

  var data = new MinimumData(null, options);

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

  data.query({
    term: 'no'
  });

  assert.ok(!data.called);
});

test('does not trigger when equal', function (assert) {
  var options = new Options({
    minimumInputLength: 10
  });

  var data = new MinimumData(null, options);

  data.trigger = function () {
    assert.ok(false, 'The event should not be triggered.');
  };

  data.query({
    term: '1234567890'
  });

  assert.ok(data.called);
});

test('does not trigger when greater', function (assert) {
  var options = new Options({
    minimumInputLength: 10
  });

  var data = new MinimumData(null, options);

  data.trigger = function () {
    assert.ok(false, 'The event should not be triggered.');
  };

  data.query({
    term: '12345678901'
  });

  assert.ok(data.called);
});

test('works with null term', function (assert) {
  var options = new Options({
    minimumInputLength: 1
  });

  var data = new MinimumData(null, options);

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

  data.query({});

  assert.ok(!data.called);
});