(function() {
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if (typeof process === 'object') {
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require('mocha-jsdom')();
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}
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var root = this;
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var assert = (root.chai || require('chai')).assert;
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describe('NProgress', function() {
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var $, NProgress;
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beforeEach(function() {
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$ = root.jQuery || require('jquery');
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NProgress = root.NProgress || require('../nprogress');
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this.settings = $.extend({}, NProgress.settings);
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});
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afterEach(function() {
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$("#nprogress").remove();
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$('html').attr('class', '');
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NProgress.status = null;
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// Restore settings
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$.extend(NProgress.settings, this.settings);
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});
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describe('.set()', function() {
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it('.set(0) must render', function(done) {
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NProgress.set(0);
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assert.equal($("#nprogress").length, 1);
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assert.equal($("#nprogress .bar").length, 1);
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assert.equal($("#nprogress .peg").length, 1);
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assert.equal($("#nprogress .spinner").length, 1);
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done();
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});
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it('.set(1) should appear and disappear', function(done) {
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NProgress.configure({ speed: 10 });
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NProgress.set(0).set(1);
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assert.equal($("#nprogress").length, 1);
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setTimeout(function() {
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assert.equal($("#nprogress").length, 0);
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done();
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}, 70);
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});
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it('must respect minimum', function() {
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NProgress.set(0);
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assert.equal(NProgress.status, NProgress.settings.minimum);
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});
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it('must clamp to minimum', function() {
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NProgress.set(-100);
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assert.equal(NProgress.status, NProgress.settings.minimum);
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});
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it('must clamp to maximum', function() {
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NProgress.set(456);
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assert.equal(NProgress.status, null);
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});
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});
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// ----
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describe('.start()', function() {
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it('must render', function(done) {
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NProgress.start();
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assert.equal($("#nprogress").length, 1);
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done();
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});
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it('must respect minimum', function() {
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NProgress.start();
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assert.equal(NProgress.status, NProgress.settings.minimum);
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});
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it('must be attached to specified parent', function() {
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var test = $('<div>', {id: 'test'}).appendTo('body');
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NProgress.configure({parent: '#test'});
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NProgress.start();
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assert.isTrue($("#nprogress").parent().is(test));
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assert.isTrue($(NProgress.settings.parent).hasClass("nprogress-custom-parent"));
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});
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});
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// ----
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describe('.done()', function() {
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it('must not render without start', function(done) {
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NProgress.done();
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assert.equal($("#nprogress").length, 0);
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done();
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});
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it('.done(true) must render', function(done) {
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NProgress.done(true);
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assert.equal($("#nprogress").length, 1);
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done();
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});
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});
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// ----
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describe('.remove()', function() {
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it('should be removed from the parent', function() {
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NProgress.set(1);
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NProgress.remove();
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var parent = $(NProgress.settings.parent);
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assert.isFalse(parent.hasClass('nprogress-custom-parent'));
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assert.equal(parent.find('#nprogress').length, 0);
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});
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});
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// ----
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describe('.inc()', function() {
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it('should render', function() {
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NProgress.inc();
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assert.equal($("#nprogress").length, 1);
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});
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it('should start with minimum', function() {
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NProgress.inc();
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assert.equal(NProgress.status, NProgress.settings.minimum);
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});
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it('should increment', function() {
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NProgress.start();
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var start = NProgress.status;
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NProgress.inc();
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assert.operator(NProgress.status, '>', start);
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});
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it('should never reach 1.0', function() {
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for (var i=0; i<100; ++i) { NProgress.inc(); }
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assert.operator(NProgress.status, '<', 1.0);
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});
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});
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// -----
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describe('.configure()', function() {
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it('should work', function() {
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NProgress.configure({ minimum: 0.5 });
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assert.equal(NProgress.settings.minimum, 0.5);
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});
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});
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// ----
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describe('.configure(showSpinner)', function() {
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it('should render spinner by default', function() {
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NProgress.start();
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assert.equal($("#nprogress .spinner").length, 1);
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});
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it('should be true by default', function() {
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assert.equal(NProgress.settings.showSpinner, true);
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});
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it('should hide (on false)', function() {
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NProgress.configure({ showSpinner: false });
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NProgress.start();
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assert.equal($("#nprogress .spinner").length, 0);
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});
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});
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});
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})();
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