1'use strict'23var after = require('after');4var assert = require('node:assert')5var express = require('../')6  , Route = express.Route7  , methods = require('../lib/utils').methods89describe('Route', function(){10  it('should work without handlers', function(done) {11    var req = { method: 'GET', url: '/' }12    var route = new Route('/foo')13    route.dispatch(req, {}, done)14  })1516  it('should not stack overflow with a large sync stack', function (done) {17    this.timeout(5000) // long-running test1819    var req = { method: 'GET', url: '/' }20    var route = new Route('/foo')2122    route.get(function (req, res, next) {23      req.counter = 024      next()25    })2627    for (var i = 0; i < 6000; i++) {28      route.all(function (req, res, next) {29        req.counter++30        next()31      })32    }3334    route.get(function (req, res, next) {35      req.called = true36      next()37    })3839    route.dispatch(req, {}, function (err) {40      if (err) return done(err)41      assert.ok(req.called)42      assert.strictEqual(req.counter, 6000)43      done()44    })45  })4647  describe('.all', function(){48    it('should add handler', function(done){49      var req = { method: 'GET', url: '/' };50      var route = new Route('/foo');5152      route.all(function(req, res, next) {53        req.called = true;54        next();55      });5657      route.dispatch(req, {}, function (err) {58        if (err) return done(err);59        assert.ok(req.called)60        done();61      });62    })6364    it('should handle VERBS', function(done) {65      var count = 0;66      var route = new Route('/foo');67      var cb = after(methods.length, function (err) {68        if (err) return done(err);69        assert.strictEqual(count, methods.length)70        done();71      });7273      route.all(function(req, res, next) {74        count++;75        next();76      });7778      methods.forEach(function testMethod(method) {79        var req = { method: method, url: '/' };80        route.dispatch(req, {}, cb);81      });82    })8384    it('should stack', function(done) {85      var req = { count: 0, method: 'GET', url: '/' };86      var route = new Route('/foo');8788      route.all(function(req, res, next) {89        req.count++;90        next();91      });9293      route.all(function(req, res, next) {94        req.count++;95        next();96      });9798      route.dispatch(req, {}, function (err) {99        if (err) return done(err);100        assert.strictEqual(req.count, 2)101        done();102      });103    })104  })105106  describe('.VERB', function(){107    it('should support .get', function(done){108      var req = { method: 'GET', url: '/' };109      var route = new Route('');110111      route.get(function(req, res, next) {112        req.called = true;113        next();114      })115116      route.dispatch(req, {}, function (err) {117        if (err) return done(err);118        assert.ok(req.called)119        done();120      });121    })122123    it('should limit to just .VERB', function(done){124      var req = { method: 'POST', url: '/' };125      var route = new Route('');126127      route.get(function () {128        throw new Error('not me!');129      })130131      route.post(function(req, res, next) {132        req.called = true;133        next();134      })135136      route.dispatch(req, {}, function (err) {137        if (err) return done(err);138        assert.ok(req.called)139        done();140      });141    })142143    it('should allow fallthrough', function(done){144      var req = { order: '', method: 'GET', url: '/' };145      var route = new Route('');146147      route.get(function(req, res, next) {148        req.order += 'a';149        next();150      })151152      route.all(function(req, res, next) {153        req.order += 'b';154        next();155      });156157      route.get(function(req, res, next) {158        req.order += 'c';159        next();160      })161162      route.dispatch(req, {}, function (err) {163        if (err) return done(err);164        assert.strictEqual(req.order, 'abc')165        done();166      });167    })168  })169170  describe('errors', function(){171    it('should handle errors via arity 4 functions', function(done){172      var req = { order: '', method: 'GET', url: '/' };173      var route = new Route('');174175      route.all(function(req, res, next){176        next(new Error('foobar'));177      });178179      route.all(function(req, res, next){180        req.order += '0';181        next();182      });183184      route.all(function(err, req, res, next){185        req.order += 'a';186        next(err);187      });188189      route.dispatch(req, {}, function (err) {190        assert.ok(err)191        assert.strictEqual(err.message, 'foobar')192        assert.strictEqual(req.order, 'a')193        done();194      });195    })196197    it('should handle throw', function(done) {198      var req = { order: '', method: 'GET', url: '/' };199      var route = new Route('');200201      route.all(function () {202        throw new Error('foobar');203      });204205      route.all(function(req, res, next){206        req.order += '0';207        next();208      });209210      route.all(function(err, req, res, next){211        req.order += 'a';212        next(err);213      });214215      route.dispatch(req, {}, function (err) {216        assert.ok(err)217        assert.strictEqual(err.message, 'foobar')218        assert.strictEqual(req.order, 'a')219        done();220      });221    });222223    it('should handle throwing inside error handlers', function(done) {224      var req = { method: 'GET', url: '/' };225      var route = new Route('');226227      route.get(function () {228        throw new Error('boom!');229      });230231      route.get(function(err, req, res, next){232        throw new Error('oops');233      });234235      route.get(function(err, req, res, next){236        req.message = err.message;237        next();238      });239240      route.dispatch(req, {}, function (err) {241        if (err) return done(err);242        assert.strictEqual(req.message, 'oops')243        done();244      });245    });246247    it('should handle throw in .all', function(done) {248      var req = { method: 'GET', url: '/' };249      var route = new Route('');250251      route.all(function(req, res, next){252        throw new Error('boom!');253      });254255      route.dispatch(req, {}, function(err){256        assert.ok(err)257        assert.strictEqual(err.message, 'boom!')258        done();259      });260    });261262    it('should handle single error handler', function(done) {263      var req = { method: 'GET', url: '/' };264      var route = new Route('');265266      route.all(function(err, req, res, next){267        // this should not execute268        throw new Error('should not be called')269      });270271      route.dispatch(req, {}, done);272    });273  })274})