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describe('core - events - preInit', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
let table;
let params;
let firstCell;
let count = 0;
let length = 0;
describe('Check the defaults', function() {
dt.html('basic');
it('Called before table fully initialised', function() {
table = $('#example')
.on('preInit.dt', function() {
params = arguments;
firstCell = $('tbody tr:eq(0) td:eq(0)').text();
length = $('div.dataTables_wrapper').length;
})
.DataTable();
expect(firstCell).toBe('Tiger Nixon');
expect(length).toBe(1);
});
it('Called with expected parameters', function() {
expect(params.length).toBe(2);
expect(params[0] instanceof $.Event).toBe(true);
expect(params[1]).toBe(table.settings()[0]);
});
});
describe('Functional tests', function() {
dt.html('basic');
it('Called on initial draw', function() {
table = $('#example')
.on('preInit.dt', function() {
count++;
})
.DataTable();
expect(count).toBe(1);
});
it('Not called when API changes page', function() {
table.page(2).draw(false);
expect(count).toBe(1);
});
dt.html('empty');
let table;
it('Load ajax data into an empty table', function(done) {
length = 0;
table = $('#example')
.on('preInit.dt', function() {
params = arguments;
firstCell = $('tbody tr:eq(0) td:eq(0)').text();
length = $('div.dataTables_wrapper').length;
})
.DataTable({
columns: dt.getTestColumns(),
ajax: '/base/test/data/data.txt',
initComplete: function(settings, json) {
done();
}
});
});
it('Check values', function() {
expect(firstCell).toBe('');
expect(length).toBe(1);
});
});
});
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