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describe('rows - row().child()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
function setupChildRows(hide) {
$('#example tbody').on('click', 'td', function() {
var tr = $(this).closest('tr');
var row = $('#example')
.DataTable()
.row(tr);
if (row.child.isShown()) {
// This row is already open - close it
if (hide) {
row.child.hide();
} else {
row.child.remove();
}
tr.removeClass('shown');
} else {
// Open this row
row.child('TEST ' + row.data()[0]).show();
tr.addClass('shown');
}
});
}
describe('Check the defaults', function() {
dt.html('basic');
it('Ensure its a function', function() {
expect(
typeof $('#example')
.DataTable()
.row().child
).toBe('function');
});
});
describe('Getter behaviour', function() {
dt.html('basic');
let table;
it('Undefined if no child', function() {
table = $('#example').DataTable({
initComplete: setupChildRows(true)
});
expect(table.row(2).child()).toBe(undefined);
});
it('Returns jQuery object if child row', function() {
$('#example tbody tr:eq(2) td:eq(0)').click();
expect(table.row(2).child() instanceof $).toBe(true);
});
it('Returns jQuery object for expected row', function() {
expect(
table
.row(2)
.child()
.text()
).toBe('TEST Ashton Cox');
});
it('Returns jQuery object for expected row if hidden', function() {
table.row(2).child.hide();
expect(
table
.row(2)
.child()
.text()
).toBe('TEST Ashton Cox');
});
it('Returns undefined if child removed', function() {
table.row(2).child.remove();
expect(table.row(2).child()).toBe(undefined);
});
});
describe('showRemove behaviour - show', function() {
dt.html('basic');
let table;
it('Returns API instance', function() {
table = $('#example').DataTable({
initComplete: setupChildRows(true)
});
expect(table.row(2).child(true) instanceof $.fn.dataTable.Api).toBe(true);
});
it('When no created child', function() {
table.row(2).child(true);
expect($('#example tbody tr').length).toBe(10);
});
it('When created child and already open', function() {
$('#example tbody tr:eq(2) td:eq(0)').click();
table.row(2).child(true);
expect($('#example tbody tr').length).toBe(11);
});
it('When created child hidden', function() {
table.row(2).child.hide();
table.row(2).child(true);
expect($('#example tbody tr').length).toBe(11);
});
});
describe('showRemove behaviour - remove', function() {
dt.html('basic');
let table;
it('Returns API instance', function() {
table = $('#example').DataTable({
initComplete: setupChildRows(true)
});
expect(table.row(2).child(false) instanceof $.fn.dataTable.Api).toBe(true);
});
it('When no created child', function() {
table.row(2).child(false);
expect($('#example tbody tr').length).toBe(10);
});
it('When created child and already open', function() {
$('#example tbody tr:eq(2) td:eq(0)').click();
table.row(2).child(false);
expect($('#example tbody tr').length).toBe(10);
});
it('When created child hidden', function() {
$('#example tbody tr:eq(2) td:eq(0)').click();
table.row(2).child.hide();
table.row(2).child(false);
expect($('#example tbody tr').length).toBe(10);
expect(table.row(2).child()).toBe(undefined);
});
});
describe('Set child behaviour', function() {
let table;
dt.html('basic');
it('Returns API instance', function() {
table = $('#example').DataTable();
expect(table.row(2).child('Fred') instanceof $.fn.dataTable.Api).toBe(true);
});
dt.html('basic');
it('Data is string', function() {
table = $('#example').DataTable();
table
.row(2)
.child('Fred')
.child(true);
expect(
table
.row(2)
.child()
.text()
).toBe('Fred');
expect($('#example tbody tr:eq(3) td:eq(0)').text()).toBe('Fred');
});
dt.html('basic');
it('Data is node', function() {
table = $('#example').DataTable();
table
.row(2)
.child('<p>Fred</p>')
.child(true);
expect(
table
.row(2)
.child()
.text()
).toBe('Fred');
expect($('#example tbody tr:eq(3) p').text()).toBe('Fred');
});
dt.html('basic');
it('Data is jQuery', function() {
table = $('#example').DataTable();
table
.row(2)
.child($('<p>Fred</p>'))
.child(true);
expect(
table
.row(2)
.child()
.text()
).toBe('Fred');
expect($('#example tbody tr:eq(3) p').text()).toBe('Fred');
});
dt.html('basic');
it('Data is array', function() {
table = $('#example').DataTable();
table
.row(2)
.child(['First', 'Second', 'Third'])
.child(true);
let child = table.row(2).child();
expect(child.length).toBe(3);
expect($(child[0]).text()).toBe('First');
expect($(child[1]).text()).toBe('Second');
expect($(child[2]).text()).toBe('Third');
expect($('#example tbody tr:eq(3) td:eq(0)').text()).toBe('First');
expect($('#example tbody tr:eq(4) td:eq(0)').text()).toBe('Second');
expect($('#example tbody tr:eq(5) td:eq(0)').text()).toBe('Third');
});
dt.html('basic');
it('Data replaces existing child row if not shown', function() {
table = $('#example').DataTable();
table.row(2).child('Fred');
table.row(2).child('Stan');
expect(
table
.row(2)
.child()
.text()
).toBe('Stan');
table.row(2).child(true);
expect($('#example tbody tr:eq(3) td:eq(0)').text()).toBe('Stan');
});
dt.html('basic');
it('Data replaces existing child row if shown', function() {
table = $('#example').DataTable();
table
.row(2)
.child('Fred')
.child(true);
table.row(2).child('Stan');
expect($('#example tbody tr:eq(3) td:eq(0)').text()).toBe('Stan');
});
dt.html('basic');
it('Data can be different on different rows', function() {
table = $('#example').DataTable();
table
.row(2)
.child('Fred')
.child(true);
table
.row(3)
.child('Stan')
.child(true);
expect($('#example tbody tr:eq(3) td:eq(0)').text()).toBe('Fred');
expect($('#example tbody tr:eq(11) td:eq(0)').text()).toBe('Stan');
});
dt.html('basic');
it('Can set a class', function() {
table = $('#example').DataTable();
table
.row(2)
.child('Fred', 'Stan')
.child(true);
expect($('#example tbody tr:eq(3)').hasClass('Stan')).toBe(true);
expect($('#example tbody tr:eq(3) td:eq(0)').hasClass('Stan')).toBe(true);
});
});
});
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