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// todo tests
// - Confirm it exists and is a function- done
// - Returns an API instance - done
// - Make sure the rows we select are iterated over only.
// - Ensure that the callback function is executed in the scope of an API instance which has the column's index in its data set (and only that column index)
// -
describe( "columns- columns().every()", function() {
dt.libs( {
js: [ 'jquery', 'datatables' ],
css: [ 'datatables' ]
} );
describe("Check the defaults", function () {
dt.html( 'basic' );
it("Exists and is a function", function () {
var table = $('#example').DataTable();
expect(typeof table.columns().every).toBe('function');
});
dt.html( 'basic' );
it("Returns an API instance", function () {
var table = $('#example').DataTable();
var n = 0;
expect(table.columns().every( function(){n++;}) instanceof $.fn.dataTable.Api).toBe(true);
});
dt.html( 'basic' );
it("Every column selected is interated upon", function () {
var table = $('#example').DataTable();
var n = -1;
table.columns().every( function() {
n++;
});
expect(n).toBe(5);
});
dt.html( 'basic' );
it("Each API has the colum index in its dataset", function () {
var that= "";
//create array, then push index value into array.
var table = $('#example').DataTable();
table.columns().every( function() {
that = this; // new test that tests 'this'. push onto array what this.index is and should 0-5. Checking that this is correct.
that = that[0][0]; //that[0][0] is accessing the value of the index of a column
});
expect(that === 5).toBe(true);
});
});
});
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