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describe('Static method - isDataTable()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
expect(typeof $.fn.dataTable.isDataTable).toBe('function');
});
it('Returns a boolean', function() {
expect(typeof $.fn.dataTable.isDataTable()).toBe('boolean');
});
});
describe('Functional tests', function() {
let table;
dt.html('basic');
it('Returns false before initialisation', function() {
expect($.fn.dataTable.isDataTable($('#example'))).toBe(false);
});
it('Accepts a DataTable table node', function() {
table = $('#example').DataTable();
expect($.fn.dataTable.isDataTable($('#example'))).toBe(true);
});
it('Other nodes return false', function() {
expect($.fn.dataTable.isDataTable($('th').get(0))).toBe(false);
expect($.fn.dataTable.isDataTable($('td').get(0))).toBe(false);
expect($.fn.dataTable.isDataTable($('div').get(0))).toBe(false);
});
it('Can accept a jQuery selector', function() {
expect($.fn.dataTable.isDataTable('table.dataTable')).toBe(true);
expect($.fn.dataTable.isDataTable('div')).toBe(false);
});
it('Can accept a DataTable API instance', function() {
expect($.fn.dataTable.isDataTable(table)).toBe(true);
expect($.fn.dataTable.isDataTable(1)).toBe(false);
});
dt.html('basic');
it('Returns true for the header in a scrolling table', function() {
table = $('#example').DataTable({
scrollY: 200
});
var scrollingTable = $(table.table().header()).closest('table');
expect($.fn.dataTable.isDataTable(scrollingTable)).toBe(true);
});
it('Returns true for the body in a scrolling table', function() {
var scrollingTable = $(table.table().body()).closest('table');
expect($.fn.dataTable.isDataTable(scrollingTable)).toBe(true);
});
it('Returns true for the footer in a scrolling table', function() {
var scrollingTable = $(table.table().footer()).closest('table');
expect($.fn.dataTable.isDataTable(scrollingTable)).toBe(true);
});
});
});
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