voluptasquisquam/src/image/roi/util/__tests__/commonBorderLength.js

Image processing and manipulation in JavaScript

import commonBorderLength from '../commonBorderLength';
import RoiMap from '../../RoiMap';
import 'should';

/* eslint-disable quote-props */
describe('Calculate the commonBorderLength from a roiMap', function () {

    it('check simple roimap', function () {
        let map = [
            0, 0, 1, 1, 1, 2,
            1, 1, 1, 1, 2, 2,
            1, 1, 1, 2, 2, 2,
            3, 3, 1, 2, 2, 2,
            3, 3, 3, 3, 2, 2,
            3, 3, 3, 3, 2, 2
        ];

        let roiMap = new RoiMap({width: 6, height: 6}, map);
        let result = JSON.parse(JSON.stringify(commonBorderLength(roiMap)));

        result.should.eql(
            {
                '1': {'1': 10, '2': 4, '3': 3},
                '2': {'1': 4, '2': 11, '3': 2},
                '3': {'1': 3, '2': 3, '3': 9}
            }
        );
    });

    it('check roimap with positive and negative values', function () {
        let map = [
            -1, -1, 1, 1, 1, 2,
            1, 1, 1, 1, 2, 2,
            1, 1, 1, 2, 2, 2,
            3, 3, 1, 2, 2, 2,
            3, 3, 3, 3, 2, 2,
            3, 3, 3, 3, 2, 2
        ];

        let roiMap = new RoiMap({width: 6, height: 6}, map);
        let result = JSON.parse(JSON.stringify(commonBorderLength(roiMap)));

        result.should.eql(
            {
                '1': {'1': 10, '2': 4, '3': 3, '-1': 2},
                '2': {'1': 4, '2': 11, '3': 2},
                '3': {'1': 3, '2': 3, '3': 9},
                '-1': {'1': 3, '-1': 2}
            }
        );
    });

});