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describe('rows - rows().nodes()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
function checkNodes(nodes, length) {
expect(nodes.count()).toBe(length);
for (let i = 0; i < length; i++) {
expect(nodes[i] instanceof HTMLTableRowElement).toBe(true);
}
}
function checkNodeContent(node, expected) {
expect(node.textContent.trim().split('\n')[0]).toBe(expected);
}
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
let table = $('#example').DataTable();
expect(typeof table.rows().nodes).toBe('function');
});
dt.html('basic');
it('Returns an API instance', function() {
let table = $('#example').DataTable();
expect(table.rows().nodes() instanceof $.fn.dataTable.Api).toBe(true);
});
});
describe('Check API behaviour', function() {
dt.html('basic');
it('Returns an array of HTML elements', function() {
let table = $('#example').DataTable();
let nodes = table.rows(0).nodes();
checkNodes(nodes, 1);
checkNodeContent(nodes[0], 'Tiger Nixon');
});
dt.html('basic');
it('Returns all rows', function() {
let table = $('#example').DataTable();
let nodes = table.rows().nodes();
checkNodes(nodes, 57);
checkNodeContent(nodes[0], 'Airi Satou');
checkNodeContent(nodes[56], 'Zorita Serrano');
});
dt.html('basic');
it('Correct rows assigned class on current page', function() {
let table = $('#example').DataTable();
$(table.rows([2, 3]).nodes()).addClass('myTest');
let nodes = table.rows('.myTest').nodes();
checkNodes(nodes, 2);
checkNodeContent(nodes[0], 'Ashton Cox');
checkNodeContent(nodes[1], 'Cedric Kelly');
});
dt.html('basic');
it('Correct rows assigned class on different page', function() {
let table = $('#example').DataTable();
$(table.rows([0, 2]).nodes()).addClass('myTest');
let nodes = table.rows('.myTest').nodes();
checkNodes(nodes, 2);
checkNodeContent(nodes[0], 'Ashton Cox');
checkNodeContent(nodes[1], 'Tiger Nixon');
});
dt.html('basic');
it('Classes can be added and removed', function() {
let table = $('#example').DataTable();
$(table.rows([1, 2]).nodes()).addClass('myTest');
expect(
table
.rows('.myTest')
.nodes()
.count()
).toBe(2);
$(table.rows([1, 2]).nodes()).removeClass('myTest');
expect(
table
.rows('.myTest')
.nodes()
.count()
).toBe(0);
});
});
describe('Check DOM access', function() {
dt.html('basic');
it('Correct DOM rows assigned class on current page', function() {
let table = $('#example').DataTable();
$(table.rows([2, 3]).nodes()).addClass('myTest');
let nodes = $('.myTest');
expect(nodes.length).toBe(2);
checkNodeContent(nodes[0], 'Ashton Cox');
checkNodeContent(nodes[1], 'Cedric Kelly');
});
dt.html('basic');
it('Correct DOM rows assigned class only on current page', function() {
let table = $('#example').DataTable();
$(table.rows([0, 2]).nodes()).addClass('myTest');
let nodes = $('.myTest');
expect(nodes.length).toBe(1);
checkNodeContent(nodes[0], 'Ashton Cox');
});
dt.html('basic');
it('Correct DOM rows assigned class only on scrolling table', function() {
let table = $('#example').DataTable({
scrollY: '200px',
scrollCollapse: true,
paging: false
});
$(table.rows([0, 2]).nodes()).addClass('myTest');
let nodes = $('.myTest');
expect(nodes.length).toBe(2);
checkNodeContent(nodes[0], 'Ashton Cox');
checkNodeContent(nodes[1], 'Tiger Nixon');
});
});
});
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