gitbook/lib/modifiers/summary/__tests__/mergeAtLevel.js

var Immutable = require('immutable');
var Summary = require('../../../models/summary');
var File = require('../../../models/file');

describe('mergeAtLevel', function() {
    var mergeAtLevel = require('../mergeAtLevel');
    var summary = Summary.createFromParts(File(), [
        {
            articles: [
                {
                    title: '1.1',
                    path: '1.1'
                },
                {
                    title: '1.2',
                    path: '1.2'
                }
            ]
        },
        {
            title: 'Part I',
            articles: []
        }
    ]);

    it('should edit a part', function() {
        var beforeChildren = summary.getByLevel('1').getArticles();
        var newSummary = mergeAtLevel(summary, '1', {title: 'Part O'});
        var edited = newSummary.getByLevel('1');

        expect(edited.getTitle()).toBe('Part O');
        // Same children
        expect(Immutable.is(beforeChildren, edited.getArticles())).toBe(true);
    });

    it('should edit a part', function() {
        var beforePath = summary.getByLevel('1.2').getPath();
        var newSummary = mergeAtLevel(summary, '1.2', {title: 'Renamed article'});
        var edited = newSummary.getByLevel('1.2');

        expect(edited.getTitle()).toBe('Renamed article');
        // Same children
        expect(Immutable.is(beforePath, edited.getPath())).toBe(true);
    });
});