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describe('drawCallback option', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Default should not be true', function() {
$('#example').dataTable();
expect($.fn.dataTable.defaults.fnDrawCallback).not.toBe(true);
});
dt.html('basic');
it('One argument passed', function() {
let test = 0;
$('#example').dataTable({
drawCallback: function() {
test = arguments.length;
}
});
expect(test).toBe(1);
});
dt.html('basic');
it('That one argument is the settings object', function() {
let table = $('#example').DataTable({
drawCallback: function(settings) {
test = settings;
}
});
expect(table.settings()[0]).toBe(test);
});
dt.html('basic');
it('Context is correct', function() {
let test = 0;
$('#example').dataTable({
drawCallback: function() {
test = this.api()
.columns()
.count();
}
});
expect(test).toBe(6);
});
});
describe('Functional tests', function() {
dt.html('basic');
it('drawCallback called after the draw', function() {
let test = 0;
$('#example').dataTable({
drawCallback: function() {
test = $('#example tbody tr').length;
}
});
$('div.dataTables_filter input')
.val('developer')
.keyup();
expect(test).toBe(8);
});
dt.html('basic');
let test = 0;
it('drawCallback called once on first draw', function() {
$('#example').dataTable({
drawCallback: function() {
test++;
}
});
expect(test).toBe(1);
});
it('drawCallback called once when paging', function() {
$('.paginate_button.next').click();
expect(test).toBe(2);
});
it('drawCallback called once when filtering', function() {
$('div.dataTables_filter input')
.val('Accountant')
.keyup();
expect(test).toBe(3);
});
it('drawCallback called once when ordering', function() {
$('#example thead th:eq(3)').click();
expect(test).toBe(4);
});
});
describe('Integration style tests', function() {
dt.html('basic');
it('Server-side processing', function(done) {
let test = 0;
let table = $('#example').DataTable({
processing: true,
serverSide: true,
displayStart: 20,
lengthMenu: [15, 30, 45, 60],
ajax: dt.serverSide,
drawCallback: function() {
test++;
},
initComplete: function(setting, json) {
expect(test).toBe(1);
done();
}
});
});
dt.html('basic');
it('Server-side processing', function(done) {
let test = 0;
let table = $('#example').DataTable({
processing: true,
serverSide: true,
displayStart: 20,
deferRendering: true,
lengthMenu: [15, 30, 45, 60],
ajax: dt.serverSide,
drawCallback: function() {
test++;
},
initComplete: function(setting, json) {
expect(test).toBe(1);
done();
}
});
});
});
});
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