@gmod/jbrowse/tests/js_tests/spec/Hierarchical.spec.js

JBrowse - client-side genome browser

require([
    'dojo/aspect',
    'dojo/_base/declare',
    'JBrowse/Browser',
    'JBrowse/View/TrackList/Hierarchical',
],
function(
    aspect,
    declare,
    Browser,
    Hierarchical
) {
    describe( 'Hierarchical.sort', function() {
        var browser = new Browser({ unitTestMode: true })
        browser.container = document.createElement('div')
        var tracklist = new Hierarchical({ browser })

        it( 'performs a custom sort', function() {
            var tracks = [{
                category: 't1'
            }, {
                category: 't2'
            }, {
                category: 't3'
            }];
            tracks = tracklist.induceCategoryOrder(tracks, 't1,t2,t3')


            expect(tracks).toEqual([{
                category: 't1'
            }, {
                category: 't2'
            }, {
                category: 't3'
            }]);
        });
        it( 'sorted explicitly', function() {
            var tracks = [{
                category: 't1'
            }, {
                category: 't2'
            }, {
                category: 't3'
            }];
            tracks = tracklist.induceCategoryOrder(tracks, 't3,t2,t1')


            expect(tracks).toEqual([{
                category: 't3'
            }, {
                category: 't2'
            }, {
                category: 't1'
            }]);
        });
        it( 'partial sort', function() {
            var tracks = [{
                category: 't1'
            }, {
                category: 't2'
            }, {
                category: 't3'
            }];
            tracks = tracklist.induceCategoryOrder(tracks, 't3')


            expect(tracks).toEqual([{
                category: 't3'
            }, {
                category: 't1'
            }, {
                category: 't2'
            }]);
        });

        it( 'subcategory', function() {
            var tracks = [{
                category: 't1/s1'
            }, {
                category: 't2'
            }, {
                category: 't3/s3'
            }];
            tracks = tracklist.induceCategoryOrder(tracks, 't3/s3,t2,t1 / s1')


            expect(tracks).toEqual([{
                category: 't3/s3'
            }, {
                category: 't2'
            }, {
                category: 't1/s1'
            }]);
        });
    });
});