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describe('footerCallback 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.fnFooterCallback).not.toBe(true);
});
dt.html('basic');
it('Five arguments pass', function() {
test = -1;
$('#example').dataTable({
footerCallback: function() {
test = arguments.length;
}
});
expect(test == 5).toBe(true);
});
dt.html('basic');
it('footerCallback called once per draw', function() {
test = 0;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
test++;
}
});
expect(test == 1).toBe(true);
});
it('rooterCallback called on paging (ie another draw)', function() {
$('#example_next').click();
expect(test == 2).toBe(true);
});
dt.html('basic');
it('footerCallback allows ut to alter row information', function() {
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
tfoot.getElementsByTagName('th')[0].innerHTML =
'Displaying ' + (end - start) + ' records';
}
});
expect(
$('#example tfoot th:eq(0)').html() == 'Displaying 10 records'
).toBe(true);
});
dt.html('basic');
it('Data array has length matching original data', function() {
test = true;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (data.length != 57) {
test = false;
}
}
});
expect(test === true).toBe(true);
});
dt.html('basic');
it("Data array's column lengths match original data", function() {
test = true;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
for (var i = 0, length = data.length; i < length; i++) {
if (data[i].length != 6) {
test = false;
}
}
}
});
expect(test === true).toBe(true);
});
dt.html('basic');
it('start correct on first page', function() {
test = true;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (start !== 0) {
test = false;
}
}
});
expect(test === true).toBe(true);
});
dt.html('basic');
it('start correct on second page', function() {
test = false;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (start == 10) {
test = true;
}
}
});
$('#example_next').click();
expect(test === true).toBe(true);
});
dt.html('basic');
it('End correct on first page', function() {
test = false;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (end != 10) {
test = true;
}
}
});
$('#example_next').click();
expect(test === true).toBe(true);
});
dt.html('basic');
it('Display Length is full data when not filtered', function() {
test = false;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (display.length == 57) {
test = true;
}
}
});
expect(test === true).toBe(true);
});
dt.html('basic');
it('Display length is 12 when filtering on London ', function() {
test = false;
$('#example').dataTable({
footerCallback: function(tfoot, data, start, end, display) {
if (display.length == 12) {
test = true;
}
}
});
$('#example')
.DataTable()
.search('London')
.draw();
expect(test === true).toBe(true);
});
});
});
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