know-parser/__tests__/plugins_phones.test.js

A simple, plugin-based parser for text

const PhonesPlugin = require('../src/plugins/phones.js');

describe('phones_plugin', () => {
    describe('main', () => {
        it('should call grabHrefTel', () => {
            const lines = ['tel:\'+44 1632 960983\''];
            const plugin = new PhonesPlugin();
            plugin.grabHrefTel = jest.fn(() => []);

            plugin.main(lines);
            expect(plugin.grabHrefTel.mock.calls.length).toEqual(1);
        });
        it('should return results', () => {
            const phones = [
                'href="tel:+44 161 414 1080" <tag>',
                '+44 161 414 1080',
            ];
            const plugin = new PhonesPlugin();
            plugin.grabHrefTel = jest.fn(() => [phones[0].split('tel:')[1].split('"')[0]]);
            plugin.runRegex = jest.fn(() => [phones[0].split('<tag>')[1].replace(/\s/g, '')]);

            expect(plugin.main(phones)).toEqual(
                [
                    phones[0].split('tel:')[1].split('"')[0].replace(/\s/g, ''),
                ],
            );
            expect(plugin.grabHrefTel.mock.calls.length).toEqual(1);
            expect(plugin.runRegex.mock.calls.length).toEqual(phones.length);
        });
        it('should return an empty array on no results', () => {
            const lines = [
                'foo',
                'bar',
            ];
            const plugin = new PhonesPlugin();

            expect(plugin.main(lines)).toEqual([]);
        });
        it('should remove duplicates', () => {
            const numbers = [
                '+441632960983',
                '+4401632960983',
                '+44(0)1632960983',
            ];
            const line = `two numbers, ${numbers[0]} and ${numbers[0]}, and even ${numbers[1]} finally ${numbers[2]}`;
            const plugin = new PhonesPlugin();

            const result = plugin.main([line]);
            expect(result).toEqual([numbers[0]]);
            expect(result.length).toEqual(1);
        });
    });
    describe('grabHrefTel', () => {
        it('should return a number', () => {
            const line = 'href="tel:+44 1632 960983"';
            const plugin = new PhonesPlugin();

            expect(plugin.grabHrefTel(line)).toEqual([
                line.split('tel:')[1].split('"')[0],
            ]);
        });
        it('should not return bad data', () => {
            const line = 'href="tel:+44 1632 bunch of crap"';
            const plugin = new PhonesPlugin();

            expect(plugin.grabHrefTel(line)).toEqual([]);
        });
        it('should split up multiple phone numbers', () => {
            const line = 'href="tel:020 7198 2000   /   028 9032 7954   /   +353 (1) 673 1400"';
            const plugin = new PhonesPlugin();

            expect(plugin.grabHrefTel(line)).toEqual([
                '020 7198 2000',
                '028 9032 7954',
                '+353 (1) 673 1400',
            ]);
        });
    });
    describe('runRegex', () => {
        it('should return results', () => {
            const number = '+441632960983';
            const line = `Here is some text with ${number} inside of it`;
            const plugin = new PhonesPlugin();

            expect(plugin.runRegex(line)).toEqual([number]);
        });
        it('should return an empty array on no results', () => {
            const line = 'bunch of words, nothing with a number inside';
            const plugin = new PhonesPlugin();

            expect(plugin.runRegex(line)).toEqual([]);
        });
        it('should remove duplicates', () => {
            const number = '+441632960983';
            const line = `two numbers, ${number} and ${number}`;
            const plugin = new PhonesPlugin();

            expect(plugin.runRegex(line).length).toEqual(1);
        });
    });
});