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describe('lengthChange option', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Exists by default', function() {
$('#example').dataTable();
expect($('div.dataTables_length').length).toBe(1);
expect($.fn.dataTable.defaults.bLengthChange).toBe(true);
});
it('Correct place in DOM', function() {
expect(
$('div.dataTables_length')
.next()
.attr('id')
).toBe('example_filter');
});
dt.html('basic');
it('Enabling same as not specifying', function() {
$('#example').dataTable({
lengthChange: true
});
expect($('div.dataTables_length').length).toBe(1);
});
dt.html('basic');
it('Can be disabled', function() {
$('#example').dataTable({
lengthChange: false
});
expect($('div.dataTables_length').length).toBe(0);
});
});
describe('Functional tests', function() {
dt.html('basic');
it('When disabled, can change page with API', function() {
table = $('#example').DataTable({
lengthChange: false
});
table.page(1);
expect(table.page.info().page).toBe(1);
});
dt.html('basic');
it('When disabled, can change page length with API', function() {
table = $('#example').DataTable({
lengthChange: false
});
table.page.len(25);
expect(table.page.info().pages).toBe(3);
});
dt.html('basic');
it('If paging disabled, lengthChange also disabled', function() {
$('#example').dataTable({
lengthChange: true,
paging: false
});
expect($('div.dataTables_length').length).toBe(0);
});
dt.html('basic');
it('If paging disabled, pageLength still enabled', function() {
$('#example').dataTable({
lengthChange: true,
pageLength: 25
});
expect(table.page.info().pages).toBe(3);
});
dt.html('two_tables');
it('When multiple tables gets expected table', function() {
let table1 = $('#example_one').DataTable({
lengthChange: true
});
let table2 = $('#example_two').DataTable({
lengthChange: false
});
expect($('div.dataTables_wrapper:eq(0) div.dataTables_length').length).toBe(1);
expect($('div.dataTables_wrapper:eq(1) div.dataTables_length').length).toBe(0);
});
});
});
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