lit-element-router/utility/router-utility.test.js

A LitElement Router (1278 bytes gzip) that uses JavaScript Mixin, Decorators and RegExp.

import { describe as suite, it as test } from 'mocha'

import { expect } from 'chai'

import { parseParams, parseQuery, stripExtraTrailingSlash, testRoute, patternToRegExp } from './router-utility'

suite('stripExtraTrailingSlash()', () => {
    test('should return / when the value ///', () => {
        expect(stripExtraTrailingSlash('///')).to.equal('/');
    })
    test('should return / when the value /', () => {
        expect(stripExtraTrailingSlash('/')).to.equal('/');
    })
    test('should return empty when the value empty', () => {
        expect(stripExtraTrailingSlash('')).to.equal('');
    })
    test('should return //any-path//a-path when the value //any-path//a-path////', () => {
        expect(stripExtraTrailingSlash('//any-path//a-path////')).to.equal('//any-path//a-path');
    })
})

suite('parseQuery()', () => {
    test('should return { name: "a-name" } when the value is ?name=a-name', () => {
        expect(parseQuery('?name=a-name')).to.deep.equal({ name: "a-name" });
    })
})

suite('parseParams()', () => {
    test('should return { name: "a-name" } when the pattern is "/:name" and the uri is "/a-name"', () => {
        expect(parseParams('/:name', '/a-name')).to.deep.equal({ name: "a-name" });
    })
})

suite('patternToRegExp()', () => {
    test('should return /\\// when the input is /', () => {
        expect(patternToRegExp('user/:id')).to.deep.equal(/^(|\/)user\/([\wÀ-ÖØ-öø-ÿ-]+)(|\/)$/);
    })
})


suite('testRoute()', () => {
    test('"" ""', () => {
        expect(testRoute('', '')).to.be.true;
    })
    test('"/" ""', () => {
        expect(testRoute('/', '')).to.be.true;
    })
    test(' /', () => {
        expect(testRoute('', '/')).not.to.be.true;
    })
    test('/ /', () => {
        expect(testRoute('/', '/')).to.be.true;
    })
    

    test('home home', () => {
        expect(testRoute('home', 'home')).to.be.true;
    })
    test('/home home', () => {
        expect(testRoute('/home', 'home')).to.be.true;
    })
    test('/home/ home', () => {
        expect(testRoute('/home/', 'home')).to.be.true;
    })
    test('home/ home', () => {
        expect(testRoute('home/', 'home')).to.be.true;
    })
    
    test('user/12 user/:id', () => {
        expect(testRoute('user/12', 'user/:id')).to.be.true;
    })
    test('/user/12 user/:id', () => {
        expect(testRoute('/user/12', 'user/:id')).to.be.true;
    })
    test('/user/12/ user/:id', () => {
        expect(testRoute('/user/12/', 'user/:id')).to.be.true;
    })
    test('user/12/ user/:id', () => {
        expect(testRoute('user/12/', 'user/:id')).to.be.true;
    })
})