Ghost/ghost/express-dynamic-redirects/test/DynamicRedirectManager.test.js
Naz c25c409e60 Added edge case unit tests to DynamiRedirectsManager suites
refs https://github.com/TryGhost/Toolbox/issues/139

- These changes bring the module to 100% test coverage. No need to cover any more unless there are specific bugs uncovere!
2021-11-29 17:43:39 +04:00

382 lines
13 KiB
JavaScript

const should = require('should');
const DynamicRedirectManager = require('../');
const urlJoin = (...parts) => {
let url = parts.join('/');
return url.replace(/(^|[^:])\/\/+/g, '$1/');
};
describe('DynamicRedirectManager', function () {
let headers;
let status;
let location;
let req;
let res;
beforeEach(function () {
headers = null;
status = null;
location = null;
req = {
method: 'GET'
};
res = {
set(_headers) {
headers = _headers;
},
redirect(_status, _location) {
status = _status;
location = _location;
}
};
});
describe('no subdirectory configuration', function () {
let manager;
beforeEach(function () {
manager = new DynamicRedirectManager({
permanentMaxAge: 100,
getSubdirectoryURL: (pathname) => {
return urlJoin('', pathname);
}
});
});
it('Prioritizes the query params of the redirect', function () {
manager.addRedirect('/test-params', '/result?q=abc', {
permanent: true
});
req.url = '/test-params/?q=123&lang=js';
manager.handleRequest(req, res, function next() {
should.fail(true, false, 'next should NOT have been called');
});
should.equal(headers['Cache-Control'], 'public, max-age=100');
should.equal(status, 301);
should.equal(location, '/result?q=abc&lang=js');
});
it('Allows redirects to be removed', function () {
const id = manager.addRedirect('/test-params', '/result?q=abc', {permanent: true});
manager.removeRedirect(id);
req.url = '/test-params/?q=123&lang=js';
manager.handleRequest(req, res, function next() {
should.ok(true, 'next should have been called');
});
should.equal(headers, null);
should.equal(status, null);
should.equal(location, null);
});
it('The routing works when passed an invalid regexp for the from parameter', function () {
const from = '/invalid_regex/(/size/[a-zA-Z0-9_-.]*/[a-zA-Z0-9_-.]*/[0-9]*/[0-9]*/)([a-zA-Z0-9_-.]*)';
const to = '/';
manager.addRedirect(from , to, {
permanent: false
});
req.url = '/test-params/';
manager.handleRequest(req, res, function next() {
should.ok(true, 'next should have been called');
});
should.equal(headers, null);
should.equal(status, null);
should.equal(location, null);
});
it('Throws an error if unexpected internal component throws unknown error', function () {
// override internal behavior to throw an unknown error
manager.setupRedirect = () => {
throw new Error('Unknown error');
};
const from = '/match-me';
const to = '/redirect-fails';
try {
manager.addRedirect(from , to);
should.fail(false, 'Should have thrown an error');
} catch (e) {
e.message.should.equal('Unknown error');
}
});
it('removes all redirects', function () {
const from = '/redirect-me';
const to = '/redirected';
manager.addRedirect(from , to);
req.url = '/redirect-me';
manager.removeAllRedirects();
manager.redirectIds.should.be.empty();
manager.redirects.should.be.empty();
manager.handleRequest(req, res, function next() {
should.ok(true, 'next should have been called');
});
});
describe('Substitution regex redirects', function () {
it('Works with substitution redirect case and no trailing slash', function (){
const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
const to = '/$1';
manager.addRedirect(from , to);
req.url = '/post/10/a-nice-blog-post';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/a-nice-blog-post');
});
it('Works with substitution redirect case and a trailing slash', function (){
const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
const to = '/$1';
manager.addRedirect(from , to);
req.url = '/post/10/a-nice-blog-post/';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/a-nice-blog-post');
});
it('Redirects keeping the query params for substitution regexp', function (){
const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
const to = '/$1';
manager.addRedirect(from , to);
req.url = '/post/10/a-nice-blog-post?a=b';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/a-nice-blog-post?a=b');
});
it('Redirects keeping the query params', function (){
const from = '^\\/topic\\/';
const to = '/';
manager.addRedirect(from , to);
req.url = '/topic?something=good';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/?something=good');
});
});
describe('Case sensitivity', function () {
it('with case insensitive', function () {
const from = '/^\\/case-insensitive/i';
const to = '/redirected-insensitive';
manager.addRedirect(from , to);
req.url = '/CaSe-InSeNsItIvE';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/redirected-insensitive');
});
it('with case sensitive', function () {
const from = '^\\/Case-Sensitive';
const to = '/redirected-sensitive';
manager.addRedirect(from , to);
req.url = '/Case-Sensitive';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/redirected-sensitive');
});
it('defaults to case sensitive', function () {
const from = '^\\/Default-Sensitive';
const to = '/redirected-default';
manager.addRedirect(from , to);
req.url = '/Default-Sensitive';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, '/redirected-default');
});
it('should not redirect with case sensitive', function () {
const from = '^\\/Case-Sensitive';
const to = '/redirected-insensitive';
manager.addRedirect(from , to);
req.url = '/casE-sensitivE';
manager.handleRequest(req, res, function next() {
should.ok(true, 'next should have been called');
});
should.equal(headers, null);
should.equal(status, null);
should.equal(location, null);
});
it('should not redirect with default case sensitive', function () {
const from = '^\\/Default-Sensitive';
const to = '/redirected-default';
manager.addRedirect(from , to);
req.url = '/defaulT-sensitivE';
manager.handleRequest(req, res, function next() {
should.ok(true, 'next should have been called');
});
should.equal(headers, null);
should.equal(status, null);
should.equal(location, null);
});
});
describe('External url redirect', function () {
it('with trailing slash', function () {
const from = '/external-url';
const to = 'https://ghost.org';
manager.addRedirect(from , to);
req.url = '/external-url/';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, 'https://ghost.org/');
});
it('without trailing slash', function () {
const from = '/external-url';
const to = 'https://ghost.org';
manager.addRedirect(from , to);
req.url = '/external-url';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, 'https://ghost.org/');
});
it('with capturing group', function () {
const from = '/external-url/(.*)';
const to = 'https://ghost.org/$1';
manager.addRedirect(from , to);
req.url = '/external-url/docs';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
// NOTE: max-age is "0" because it's not a permanent redirect
should.equal(headers['Cache-Control'], 'public, max-age=0');
should.equal(status, 302);
should.equal(location, 'https://ghost.org/docs');
});
});
});
describe('with subdirectory configuration', function () {
let manager;
beforeEach(function () {
manager = new DynamicRedirectManager({
permanentMaxAge: 100,
getSubdirectoryURL: (pathname) => {
return urlJoin('', pathname);
}
});
});
it('should include the subdirectory', function () {
const from = '/my-old-blog-post/';
const to = '/revamped-url/';
manager.addRedirect(from , to, {permanent: true});
req.url = '/blog/my-old-blog-post/';
manager.handleRequest(req, res, function next() {
should.fail(true, 'next should NOT have been called');
});
should.equal(headers['Cache-Control'], 'public, max-age=100');
should.equal(status, 301);
should.equal(location, '/blog/revamped-url/');
});
});
});