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describe('core - init()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
let table;
dt.html('basic');
it('Exists and is a function', function() {
table = $('#example').DataTable();
expect(typeof table.init).toBe('function');
});
it('Returns an object', function() {
expect(typeof table.init()).toBe('object');
});
it('Returns empty object if no settings', function() {
expect(Object.keys(table.init()).length).toBe(0);
});
});
describe('Functional tests', function() {
dt.html('basic');
it('Single initialisation option', function() {
let table = $('#example').DataTable({
pageLength: 15
});
let init = table.init();
expect(Object.keys(init).length).toBe(2);
expect(init.pageLength).toBe(15);
expect(init.iDisplayLength).toBe(15);
});
dt.html('basic');
it('Single initialisation option with default value', function() {
let table = $('#example').DataTable({
autoWidth: true
});
let init = table.init();
expect(Object.keys(init).length).toBe(2);
expect(init.autoWidth).toBe(true);
});
dt.html('basic');
it('Single initialisation option declared twice', function() {
let table = $('#example').DataTable({
pageLength: 12,
pageLength: 15
});
let init = table.init();
expect(Object.keys(init).length).toBe(2);
expect(init.pageLength).toBe(15);
});
dt.html('basic');
it('Two simple initialisation options', function() {
let table = $('#example').DataTable({
autoWidth: false,
pageLength: 15
});
let init = table.init();
expect(Object.keys(init).length).toBe(4);
expect(init.pageLength).toBe(15);
expect(init.autoWidth).toBe(false);
});
dt.html('basic');
it('Single object initialisation options', function() {
let table = $('#example').DataTable({
order: [[1, 'asc'], [2, 'desc']]
});
let init = table.init();
expect(Object.keys(init).length).toBe(2);
expect(init.order.length).toBe(2);
expect(init.order[0][0]).toBe(1);
expect(init.order[0][1]).toBe('asc');
expect(init.order[1][0]).toBe(2);
expect(init.order[1][1]).toBe('desc');
});
dt.html('basic');
it('Object is the same as passed in', function() {
let myInit = {
order: [[1, 'asc'], [2, 'desc']],
pageLength: 15
};
let table = $('#example').DataTable(myInit);
expect(table.init()).toBe(myInit);
});
dt.html('basic');
it('Custom parameters not removed', function() {
let table = $('#example').DataTable({
unitTest: 'Unit Test',
pageLength: 15
});
let init = table.init();
expect(Object.keys(init).length).toBe(3);
expect(init.pageLength).toBe(15);
expect(init.unitTest).toBe('Unit Test');
});
});
describe('More complex tests', function() {
dt.html('two_tables');
it('Two tables', function() {
let table1 = $('#example_one').DataTable({
pageLength: 15
});
let table2 = $('#example_two').DataTable({
order: [[1, 'asc'], [2, 'desc']]
});
let init1 = table1.init();
let init2 = table2.init();
expect(Object.keys(init1).length).toBe(2);
expect(init1.pageLength).toBe(15);
expect(Object.keys(init2).length).toBe(2);
expect(init2.order.length).toBe(2);
expect(init2.order[0][0]).toBe(1);
expect(init2.order[0][1]).toBe('asc');
expect(init2.order[1][0]).toBe(2);
expect(init2.order[1][1]).toBe('desc');
});
});
});
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