1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
describe('columns - columns().header()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
function verifyHeader(header, expected) {
expect(header.count()).toBe(expected.length);
for (let i = 0; i < header.count(); i++) {
expect(header[i] instanceof HTMLTableCellElement).toBe(true);
expect(header[i].nodeName).toBe('TH');
expect(header[i].textContent).toBe(expected[i]);
}
}
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
let table = $('#example').DataTable();
expect(typeof table.columns().header).toBe('function');
});
dt.html('basic');
it('Returns an API instance', function() {
let table = $('#example').DataTable();
expect(table.columns().header() instanceof $.fn.dataTable.Api).toBe(true);
});
});
describe('Check the behaviour', function() {
dt.html('basic');
it('One row in header: Select first,second column returns header cell', function() {
let table = $('#example').DataTable();
let returnData = table.columns([0, -1]).header();
verifyHeader(returnData, ['Name', 'Salary']);
});
dt.html('basic');
it('One row in header: Select last column return header cell', function() {
let table = $('#example').DataTable();
let returnData = table.columns(-1).header();
verifyHeader(returnData, ['Salary']);
});
dt.html('two_headers');
it('Two rows in header: Selecting first and second column returns bottom rows', function() {
let table = $('#example').DataTable();
let returnData = table.columns([0, 1]).header();
verifyHeader(returnData, ['Name1', 'Position1']);
});
dt.html('two_headers');
it('Two rows in header: Selecting last column returns bottom row', function() {
let table = $('#example').DataTable();
let returnData = table.columns(-1).header();
verifyHeader(returnData, ['Salary1']);
});
dt.html('two_headers');
it('orderCellsTop: true- Selecting first column returns top row', function() {
let table = $('#example').DataTable({
orderCellsTop: true
});
let returnData = table.columns([0, 1]).header();
verifyHeader(returnData, ['Name', 'Position']);
});
dt.html('two_headers');
it('orderCellsTop: true- Selecting last column returns top row', function() {
let table = $('#example').DataTable({
orderCellsTop: true
});
let returnData = table.columns(-1).header();
verifyHeader(returnData, ['Salary']);
});
dt.html('basic');
it('Scrolling table with header', function() {
let table = $('#example').DataTable({
scrollY: '200px',
scrollCollapse: true,
paging: false
});
let returnData = table.columns(0).header();
verifyHeader(returnData, ['Name']);
});
dt.html('basic');
it('Hidden column at initialisation', function() {
let table = $('#example').DataTable({
columnDefs: [
{
targets: [0],
visible: false,
searchable: false
}
]
});
let returnData = table.columns([0, 2]).header();
verifyHeader(returnData, ['Name', 'Office']);
});
dt.html('basic');
it('Hidden column by API', function() {
let table = $('#example').DataTable();
table.column(2).visible(false);
let returnData = table.columns([0, 2]).header();
verifyHeader(returnData, ['Name', 'Office']);
});
});
});
|
