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describe('Static method - tables()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
let tables;
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
expect(typeof $.fn.dataTable.tables).toBe('function');
expect(typeof $.fn.dataTable.tables).toBe('function');
});
it('Returns empty array if no tables', function() {
tables = $.fn.dataTable.tables();
expect(tables instanceof Array).toBe(true);
expect(tables.length).toBe(0);
tables = DataTable.tables();
expect(tables instanceof Array).toBe(true);
expect(tables.length).toBe(0);
});
it('Returns HTML elements by default', function() {
$('#example').DataTable();
tables = $.fn.dataTable.tables();
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
tables = DataTable.tables();
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
});
it('Returns API instance', function() {
tables = $.fn.dataTable.tables({ api: true });
expect(tables.length).toBe(0);
expect(tables instanceof $.fn.dataTable.Api).toBe(true);
tables = DataTable.tables({ api: true });
expect(tables.length).toBe(0);
expect(tables instanceof $.fn.dataTable.Api).toBe(true);
});
it('Returns visible tables', function() {
tables = $.fn.dataTable.tables({ visible: true });
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
tables = DataTable.tables({ visible: true });
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
});
it('Returns hidden tables', function() {
$('div.dataTables_wrapper').hide();
tables = $.fn.dataTable.tables({ visible: false });
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
tables = DataTable.tables({ visible: false });
expect(tables.length).toBe(1);
expect(tables[0] instanceof HTMLElement).toBe(true);
});
it('Doesnt return hidden tables', function() {
$('div.dataTables_wrapper').hide();
tables = $.fn.dataTable.tables({ visible: true });
expect(tables.length).toBe(0);
tables = DataTable.tables({ visible: true });
expect(tables.length).toBe(0);
});
});
describe('Functional tests', function() {
let table1, table2;
dt.html('two_tables');
it('Returns empty array if no tables', function() {
tables = $.fn.dataTable.tables();
expect(tables instanceof Array).toBe(true);
expect(tables.length).toBe(0);
});
it('Initialise one', function() {
table1 = $('#example_two').DataTable();
tables = $.fn.dataTable.tables();
expect(tables.length).toBe(1);
expect($(tables[0]).attr('id')).toBe('example_two');
});
it('Initialise both', function() {
table1 = $('#example_one').DataTable();
tables = $.fn.dataTable.tables();
expect(tables.length).toBe(2);
expect($(tables[0]).attr('id')).toBe('example_two');
expect($(tables[1]).attr('id')).toBe('example_one');
});
it('Can issue API calls on both', function() {
table1 = $('#example_one').DataTable();
$.fn.dataTable
.tables({ api: true })
.search('Cox')
.draw();
expect($('#example_one tbody tr:eq(0) td:eq(0)').text()).toBe('Ashton Cox');
expect($('#example_two tbody tr:eq(0) td:eq(0)').text()).toBe('No matching records found');
});
it('Returns visible tables', function() {
$('div.dataTables_wrapper:eq(0)').hide();
tables = $.fn.dataTable.tables({ visible: true });
expect(tables.length).toBe(1);
expect($(tables[0]).attr('id')).toBe('example_two');
});
it('Returns all tables', function() {
$('div.dataTables_wrapper:eq(0)').hide();
tables = $.fn.dataTable.tables({ visible: false });
expect(tables.length).toBe(2);
});
});
});
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