是否有推荐的方法在Laravel 5中对JavaScript进行单元测试？我正在使用jQuery框架来完成搜索自动完成任务（以下是代码）。有很多if块，我想要测试它们，但是我不确定如何最好地在Laravel 5中测试所有内容。任何帮助都将不胜感激。
<script type="text/javascript">
(function($) {
var autocomplete_timer;
var ajax_request;
var autocomplete_delay = 50;
var search_keyword = "";
var max_result_count = 5;
var autocomplete_results = $('#autocomplete-results');
var autocomplete_results_list;
var default_report_url = '{{ route('report_summary_date_range_filter') }}';
var selected_autocomplete_item_index = 0;
var active_li = false;
var autocomplete_error = $('#autocomplete-error');
var redirect_state = false; //
$(document).ready(function () {
autocomplete_results_list = autocomplete_results.children('ul');
// Search Autocomplete
$("#search").keyup(function (e) {
search_keyword = $(this).val();
// If there is an existing XHR, abort it.
if (ajax_request) {
ajax_request.abort()
}
// Enable list iteration via keyboard
if (e.keyCode == 40 || e.keyCode == 38) {
ajax_request.abort();
var results_count = autocomplete_results_list.children('li').length;
if (e.keyCode == 40 && selected_autocomplete_item_index < results_count && active_li != false) {
selected_autocomplete_item_index++;
} else if (e.keyCode == 38 && selected_autocomplete_item_index > 0 && active_li != false) {
selected_autocomplete_item_index--;
}
active_li = autocomplete_results_list.children('li:eq(' + selected_autocomplete_item_index + ')');
if (active_li.length > 0) {
active_li.addClass('active');
autocomplete_results_list.children('li').not(active_li).removeClass('active');
$('#search').val(active_li.children('.autocomplete-ticker').text());
}
e.preventDefault();
return false;
}
// Clear the timer so we don't end up with dupes.
clearTimeout(autocomplete_timer);
// don't trigger ajax if user pressed enter/return key
// while a redirect is triggered
if (e.keyCode == 13 && redirect_state == true) {
return false;
}
if (search_keyword != '') {
// reset the index
selected_autocomplete_item_index = 0;
active_li = false;
// assign timer a new timeout
autocomplete_timer = setTimeout(function() {
ajax_request = $.ajax({
type: 'POST',
url: '/ajax/company/search/' + search_keyword,
data: {'_token': '{{ csrf_token() }}'},
success: function(response) {
if (response.count != 0) {
autocomplete_results.show();
autocomplete_results_list.empty();
autocomplete_error.hide();
var current_results = ((response.count > max_result_count) ? max_result_count : response.count);
for (var index = 0; index < current_results; index++) {
autocomplete_results_list.append(
'<li>' +
'<span class="autocomplete-ticker">' + response.results[index].ticker + '</span>' +
'<span class="autocomplete-company">' + response.results[index].name + '</span>' +
'</li>'
);
}
} else {
autocomplete_results_list.empty();
autocomplete_results.show();
autocomplete_error.show();
}
}
});
}, autocomplete_delay);
} else {
autocomplete_results.hide();
autocomplete_results_list.empty();
}
}).keydown(function (e) {
// prevent moving cursor to start of input field
// if the user presses the up arrow key
if (e.keyCode == 38) {
e.preventDefault();
}
});
// handle user clicking of an autocomplete item
autocomplete_results_list.on('click', 'li', function () {
var ticker = $(this).children('.autocomplete-ticker').text();
$('#search').val(ticker);
default_report_url = default_report_url.replace('%7Bticker%7D', ticker);
// redirect
$(location).attr('href', default_report_url);
redirect_state = true;
});
// if the user presses the return key while an autocomplete list
// is present, select the first item on the list and trigger a redirect
$('#searchbar form').submit(function (e) {
if ($('#search').val() != '') {
if (autocomplete_results_list.has('li').length > 0) {
autocomplete_results_list.children('li').first().addClass('active');
var ticker = autocomplete_results_list.children('li').first()
.children('.autocomplete-ticker').text().toUpperCase();
if (ticker != '') {
default_report_url = default_report_url.replace('%7Bticker%7D', ticker);
// redirect
$(location).attr('href', default_report_url);
redirect_state = true;
}
}
}
e.preventDefault();
});
});
$(document).click(function (e) {
// Hide autocomplete results if user clicked outside the search input field
// or the autocomplete listing
var container = $('#searchbar');
if (!container.is(e.target) // if the target of the click isn't the container...
&& container.has(e.target).length === 0) // ... nor a descendant of the container
{
$('#autocomplete-results').hide();
$('#autocomplete-results ul').empty();
}
});
})(jQuery);
</script>