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describe('unique()', function() {
var table;
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
let table = $('#example').DataTable();
expect(typeof table.unique).toBe('function');
});
it('Returns API instance', function() {
let table = $('#example').DataTable();
expect(table.unique() instanceof $.fn.dataTable.Api).toBe(true);
});
});
describe('Functional tests', function() {
dt.html('basic');
it('Check uniqueness on Strings', function() {
table = $('#example').DataTable();
var data = table
.column(2)
.data()
.unique();
expect(data.count()).toBe(7);
expect(data[0]).toBe('Tokyo');
expect(data[1]).toBe('London');
expect(data[2]).toBe('San Francisco');
expect(data[3]).toBe('New York');
expect(data[4]).toBe('Edinburgh');
expect(data[5]).toBe('Sidney');
expect(data[6]).toBe('Singapore');
});
it('Get unique data from numerical column', function() {
var data = table
.column(3)
.data()
.unique();
expect(data.count()).toBe(33);
});
it('Get unique data from date column', function() {
var data = table
.column(4)
.data()
.unique();
expect(data.count()).toBe(57);
});
});
});
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