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refs https://ghost.slack.com/archives/C02G9E68C/p1647599592576139 When you add a redirect multiple times, and remove it afterwards, an error is thrown: `Cannot destructure property 'fromRegex' of 'this.redirects[redirectId]' as it is undefined.` This was caused by `redirectIds` that contained the same id multiple times. * Added a test for adding a redirect multiple times and removing it once * Fixed adding same redirect multiple times throws an error on removal
398 lines
14 KiB
JavaScript
398 lines
14 KiB
JavaScript
const should = require('should');
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const DynamicRedirectManager = require('../');
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const urlJoin = (...parts) => {
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let url = parts.join('/');
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return url.replace(/(^|[^:])\/\/+/g, '$1/');
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};
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describe('DynamicRedirectManager', function () {
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let headers;
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let status;
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let location;
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let req;
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let res;
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beforeEach(function () {
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headers = null;
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status = null;
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location = null;
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req = {
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method: 'GET'
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};
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res = {
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set(_headers) {
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headers = _headers;
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},
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redirect(_status, _location) {
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status = _status;
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location = _location;
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}
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};
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});
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describe('no subdirectory configuration', function () {
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let manager;
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beforeEach(function () {
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manager = new DynamicRedirectManager({
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permanentMaxAge: 100,
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getSubdirectoryURL: (pathname) => {
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return urlJoin('', pathname);
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}
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});
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});
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it('Prioritizes the query params of the redirect', function () {
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manager.addRedirect('/test-params', '/result?q=abc', {
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permanent: true
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});
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req.url = '/test-params/?q=123&lang=js';
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manager.handleRequest(req, res, function next() {
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should.fail(true, false, 'next should NOT have been called');
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});
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should.equal(headers['Cache-Control'], 'public, max-age=100');
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should.equal(status, 301);
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should.equal(location, '/result?q=abc&lang=js');
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});
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it('Allows redirects to be removed', function () {
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const id = manager.addRedirect('/test-params', '/result?q=abc', {permanent: true});
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manager.removeRedirect(id);
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req.url = '/test-params/?q=123&lang=js';
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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should.equal(headers, null);
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should.equal(status, null);
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should.equal(location, null);
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});
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it('Can add same redirect multiple times and remove it once', function () {
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manager.addRedirect('/test-params', '/result?q=abc', {permanent: true});
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const id = manager.addRedirect('/test-params', '/result?q=abc', {permanent: true});
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manager.removeRedirect(id);
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req.url = '/test-params/?q=123&lang=js';
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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should.equal(headers, null);
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should.equal(status, null);
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should.equal(location, null);
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});
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it('The routing works when passed an invalid regexp for the from parameter', function () {
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const from = '/invalid_regex/(/size/[a-zA-Z0-9_-.]*/[a-zA-Z0-9_-.]*/[0-9]*/[0-9]*/)([a-zA-Z0-9_-.]*)';
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const to = '/';
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manager.addRedirect(from , to, {
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permanent: false
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});
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req.url = '/test-params/';
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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should.equal(headers, null);
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should.equal(status, null);
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should.equal(location, null);
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});
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it('Throws an error if unexpected internal component throws unknown error', function () {
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// override internal behavior to throw an unknown error
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manager.setupRedirect = () => {
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throw new Error('Unknown error');
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};
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const from = '/match-me';
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const to = '/redirect-fails';
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try {
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manager.addRedirect(from , to);
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should.fail(false, 'Should have thrown an error');
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} catch (e) {
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e.message.should.equal('Unknown error');
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}
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});
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it('removes all redirects', function () {
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const from = '/redirect-me';
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const to = '/redirected';
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manager.addRedirect(from , to);
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req.url = '/redirect-me';
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manager.removeAllRedirects();
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manager.redirectIds.should.be.empty();
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manager.redirects.should.be.empty();
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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});
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describe('Substitution regex redirects', function () {
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it('Works with substitution redirect case and no trailing slash', function (){
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const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
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const to = '/$1';
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manager.addRedirect(from , to);
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req.url = '/post/10/a-nice-blog-post';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/a-nice-blog-post');
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});
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it('Works with substitution redirect case and a trailing slash', function (){
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const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
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const to = '/$1';
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manager.addRedirect(from , to);
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req.url = '/post/10/a-nice-blog-post/';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/a-nice-blog-post');
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});
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it('Redirects keeping the query params for substitution regexp', function (){
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const from = '^/post/[0-9]+/([a-z0-9\\-]+)';
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const to = '/$1';
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manager.addRedirect(from , to);
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req.url = '/post/10/a-nice-blog-post?a=b';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/a-nice-blog-post?a=b');
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});
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it('Redirects keeping the query params', function (){
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const from = '^\\/topic\\/';
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const to = '/';
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manager.addRedirect(from , to);
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req.url = '/topic?something=good';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/?something=good');
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});
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});
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describe('Case sensitivity', function () {
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it('with case insensitive', function () {
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const from = '/^\\/case-insensitive/i';
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const to = '/redirected-insensitive';
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manager.addRedirect(from , to);
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req.url = '/CaSe-InSeNsItIvE';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/redirected-insensitive');
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});
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it('with case sensitive', function () {
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const from = '^\\/Case-Sensitive';
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const to = '/redirected-sensitive';
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manager.addRedirect(from , to);
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req.url = '/Case-Sensitive';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/redirected-sensitive');
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});
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it('defaults to case sensitive', function () {
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const from = '^\\/Default-Sensitive';
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const to = '/redirected-default';
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manager.addRedirect(from , to);
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req.url = '/Default-Sensitive';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, '/redirected-default');
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});
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it('should not redirect with case sensitive', function () {
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const from = '^\\/Case-Sensitive';
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const to = '/redirected-insensitive';
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manager.addRedirect(from , to);
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req.url = '/casE-sensitivE';
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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should.equal(headers, null);
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should.equal(status, null);
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should.equal(location, null);
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});
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it('should not redirect with default case sensitive', function () {
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const from = '^\\/Default-Sensitive';
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const to = '/redirected-default';
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manager.addRedirect(from , to);
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req.url = '/defaulT-sensitivE';
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manager.handleRequest(req, res, function next() {
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should.ok(true, 'next should have been called');
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});
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should.equal(headers, null);
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should.equal(status, null);
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should.equal(location, null);
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});
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});
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describe('External url redirect', function () {
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it('with trailing slash', function () {
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const from = '/external-url';
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const to = 'https://ghost.org';
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manager.addRedirect(from , to);
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req.url = '/external-url/';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, 'https://ghost.org/');
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});
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it('without trailing slash', function () {
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const from = '/external-url';
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const to = 'https://ghost.org';
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manager.addRedirect(from , to);
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req.url = '/external-url';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, 'https://ghost.org/');
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});
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it('with capturing group', function () {
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const from = '/external-url/(.*)';
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const to = 'https://ghost.org/$1';
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manager.addRedirect(from , to);
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req.url = '/external-url/docs';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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// NOTE: max-age is "0" because it's not a permanent redirect
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should.equal(headers['Cache-Control'], 'public, max-age=0');
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should.equal(status, 302);
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should.equal(location, 'https://ghost.org/docs');
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});
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});
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});
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describe('with subdirectory configuration', function () {
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let manager;
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beforeEach(function () {
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manager = new DynamicRedirectManager({
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permanentMaxAge: 100,
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getSubdirectoryURL: (pathname) => {
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return urlJoin('', pathname);
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}
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});
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});
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it('should include the subdirectory', function () {
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const from = '/my-old-blog-post/';
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const to = '/revamped-url/';
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manager.addRedirect(from , to, {permanent: true});
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req.url = '/blog/my-old-blog-post/';
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manager.handleRequest(req, res, function next() {
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should.fail(true, 'next should NOT have been called');
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});
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should.equal(headers['Cache-Control'], 'public, max-age=100');
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should.equal(status, 301);
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should.equal(location, '/blog/revamped-url/');
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});
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});
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});
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