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);

});