old_test.go - external/github.com/gorilla/mux - Git at Google

 // Old tests ported to Go1. This is a mess. Want to drop it one day.

 // Copyright 2011 Gorilla Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 package mux

 import (
 	"bytes"
 	"net/http"
 	"testing"
 )

 // ----------------------------------------------------------------------------
 // ResponseRecorder
 // ----------------------------------------------------------------------------
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.

 // ResponseRecorder is an implementation of http.ResponseWriter that
 // records its mutations for later inspection in tests.
 type ResponseRecorder struct {
 	Code      int           // the HTTP response code from WriteHeader
 	HeaderMap http.Header   // the HTTP response headers
 	Body      *bytes.Buffer // if non-nil, the bytes.Buffer to append written data to
 	Flushed   bool
 }

 // NewRecorder returns an initialized ResponseRecorder.
 func NewRecorder() *ResponseRecorder {
 	return &ResponseRecorder{
 		HeaderMap: make(http.Header),
 		Body:      new(bytes.Buffer),
 	}
 }

 // Header returns the response headers.
 func (rw *ResponseRecorder) Header() http.Header {
 	return rw.HeaderMap
 }

 // Write always succeeds and writes to rw.Body, if not nil.
 func (rw *ResponseRecorder) Write(buf []byte) (int, error) {
 	if rw.Body != nil {
 		rw.Body.Write(buf)
 	}
 	if rw.Code == 0 {
 		rw.Code = http.StatusOK
 	}
 	return len(buf), nil
 }

 // WriteHeader sets rw.Code.
 func (rw *ResponseRecorder) WriteHeader(code int) {
 	rw.Code = code
 }

 // Flush sets rw.Flushed to true.
 func (rw *ResponseRecorder) Flush() {
 	rw.Flushed = true
 }

 // ----------------------------------------------------------------------------

 func TestRouteMatchers(t *testing.T) {
 	var scheme, host, path, query, method string
 	var headers map[string]string
 	var resultVars map[bool]map[string]string

 	router := NewRouter()
 	router.NewRoute().Host("{var1}.google.com").
 		Path("/{var2:[a-z]+}/{var3:[0-9]+}").
 		Queries("foo", "bar").
 		Methods("GET").
 		Schemes("https").
 		Headers("x-requested-with", "XMLHttpRequest")
 	router.NewRoute().Host("www.{var4}.com").
 		PathPrefix("/foo/{var5:[a-z]+}/{var6:[0-9]+}").
 		Queries("baz", "ding").
 		Methods("POST").
 		Schemes("http").
 		Headers("Content-Type", "application/json")

 	reset := func() {
 		// Everything match.
 		scheme = "https"
 		host = "www.google.com"
 		path = "/product/42"
 		query = "?foo=bar"
 		method = "GET"
 		headers = map[string]string{"X-Requested-With": "XMLHttpRequest"}
 		resultVars = map[bool]map[string]string{
 			true:  {"var1": "www", "var2": "product", "var3": "42"},
 			false: {},
 		}
 	}

 	reset2 := func() {
 		// Everything match.
 		scheme = "http"
 		host = "www.google.com"
 		path = "/foo/product/42/path/that/is/ignored"
 		query = "?baz=ding"
 		method = "POST"
 		headers = map[string]string{"Content-Type": "application/json"}
 		resultVars = map[bool]map[string]string{
 			true:  {"var4": "google", "var5": "product", "var6": "42"},
 			false: {},
 		}
 	}

 	match := func(shouldMatch bool) {
 		url := scheme + "://" + host + path + query
 		request, _ := http.NewRequest(method, url, nil)
 		for key, value := range headers {
 			request.Header.Add(key, value)
 		}

 		var routeMatch RouteMatch
 		matched := router.Match(request, &routeMatch)
 		if matched != shouldMatch {
 			t.Errorf("Expected: %v\nGot: %v\nRequest: %v %v", shouldMatch, matched, request.Method, url)
 		}

 		if matched {
 			currentRoute := routeMatch.Route
 			if currentRoute == nil {
 				t.Errorf("Expected a current route.")
 			}
 			vars := routeMatch.Vars
 			expectedVars := resultVars[shouldMatch]
 			if len(vars) != len(expectedVars) {
 				t.Errorf("Expected vars: %v Got: %v.", expectedVars, vars)
 			}
 			for name, value := range vars {
 				if expectedVars[name] != value {
 					t.Errorf("Expected vars: %v Got: %v.", expectedVars, vars)
 				}
 			}
 		}
 	}

 	// 1st route --------------------------------------------------------------

 	// Everything match.
 	reset()
 	match(true)

 	// Scheme doesn't match.
 	reset()
 	scheme = "http"
 	match(false)

 	// Host doesn't match.
 	reset()
 	host = "www.mygoogle.com"
 	match(false)

 	// Path doesn't match.
 	reset()
 	path = "/product/notdigits"
 	match(false)

 	// Query doesn't match.
 	reset()
 	query = "?foo=baz"
 	match(false)

 	// Method doesn't match.
 	reset()
 	method = "POST"
 	match(false)

 	// Header doesn't match.
 	reset()
 	headers = map[string]string{}
 	match(false)

 	// Everything match, again.
 	reset()
 	match(true)

 	// 2nd route --------------------------------------------------------------
 	// Everything match.
 	reset2()
 	match(true)

 	// Scheme doesn't match.
 	reset2()
 	scheme = "https"
 	match(false)

 	// Host doesn't match.
 	reset2()
 	host = "sub.google.com"
 	match(false)

 	// Path doesn't match.
 	reset2()
 	path = "/bar/product/42"
 	match(false)

 	// Query doesn't match.
 	reset2()
 	query = "?foo=baz"
 	match(false)

 	// Method doesn't match.
 	reset2()
 	method = "GET"
 	match(false)

 	// Header doesn't match.
 	reset2()
 	headers = map[string]string{}
 	match(false)

 	// Everything match, again.
 	reset2()
 	match(true)
 }

 type headerMatcherTest struct {
 	matcher headerMatcher
 	headers map[string]string
 	result  bool
 }

 var headerMatcherTests = []headerMatcherTest{
 	{
 		matcher: headerMatcher(map[string]string{"x-requested-with": "XMLHttpRequest"}),
 		headers: map[string]string{"X-Requested-With": "XMLHttpRequest"},
 		result:  true,
 	},
 	{
 		matcher: headerMatcher(map[string]string{"x-requested-with": ""}),
 		headers: map[string]string{"X-Requested-With": "anything"},
 		result:  true,
 	},
 	{
 		matcher: headerMatcher(map[string]string{"x-requested-with": "XMLHttpRequest"}),
 		headers: map[string]string{},
 		result:  false,
 	},
 }

 type hostMatcherTest struct {
 	matcher *Route
 	url     string
 	vars    map[string]string
 	result  bool
 }

 var hostMatcherTests = []hostMatcherTest{
 	{
 		matcher: NewRouter().NewRoute().Host("{foo:[a-z][a-z][a-z]}.{bar:[a-z][a-z][a-z]}.{baz:[a-z][a-z][a-z]}"),
 		url:     "http://abc.def.ghi/",
 		vars:    map[string]string{"foo": "abc", "bar": "def", "baz": "ghi"},
 		result:  true,
 	},
 	{
 		matcher: NewRouter().NewRoute().Host("{foo:[a-z][a-z][a-z]}.{bar:[a-z][a-z][a-z]}.{baz:[a-z][a-z][a-z]}"),
 		url:     "http://a.b.c/",
 		vars:    map[string]string{"foo": "abc", "bar": "def", "baz": "ghi"},
 		result:  false,
 	},
 }

 type methodMatcherTest struct {
 	matcher methodMatcher
 	method  string
 	result  bool
 }

 var methodMatcherTests = []methodMatcherTest{
 	{
 		matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
 		method:  "GET",
 		result:  true,
 	},
 	{
 		matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
 		method:  "POST",
 		result:  true,
 	},
 	{
 		matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
 		method:  "PUT",
 		result:  true,
 	},
 	{
 		matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
 		method:  "DELETE",
 		result:  false,
 	},
 }

 type pathMatcherTest struct {
 	matcher *Route
 	url     string
 	vars    map[string]string
 	result  bool
 }

 var pathMatcherTests = []pathMatcherTest{
 	{
 		matcher: NewRouter().NewRoute().Path("/{foo:[0-9][0-9][0-9]}/{bar:[0-9][0-9][0-9]}/{baz:[0-9][0-9][0-9]}"),
 		url:     "http://localhost:8080/123/456/789",
 		vars:    map[string]string{"foo": "123", "bar": "456", "baz": "789"},
 		result:  true,
 	},
 	{
 		matcher: NewRouter().NewRoute().Path("/{foo:[0-9][0-9][0-9]}/{bar:[0-9][0-9][0-9]}/{baz:[0-9][0-9][0-9]}"),
 		url:     "http://localhost:8080/1/2/3",
 		vars:    map[string]string{"foo": "123", "bar": "456", "baz": "789"},
 		result:  false,
 	},
 }

 type schemeMatcherTest struct {
 	matcher schemeMatcher
 	url     string
 	result  bool
 }

 var schemeMatcherTests = []schemeMatcherTest{
 	{
 		matcher: schemeMatcher([]string{"http", "https"}),
 		url:     "http://localhost:8080/",
 		result:  true,
 	},
 	{
 		matcher: schemeMatcher([]string{"http", "https"}),
 		url:     "https://localhost:8080/",
 		result:  true,
 	},
 	{
 		matcher: schemeMatcher([]string{"https"}),
 		url:     "http://localhost:8080/",
 		result:  false,
 	},
 	{
 		matcher: schemeMatcher([]string{"http"}),
 		url:     "https://localhost:8080/",
 		result:  false,
 	},
 }

 type urlBuildingTest struct {
 	route *Route
 	vars  []string
 	url   string
 }

 var urlBuildingTests = []urlBuildingTest{
 	{
 		route: new(Route).Host("foo.domain.com"),
 		vars:  []string{},
 		url:   "http://foo.domain.com",
 	},
 	{
 		route: new(Route).Host("{subdomain}.domain.com"),
 		vars:  []string{"subdomain", "bar"},
 		url:   "http://bar.domain.com",
 	},
 	{
 		route: new(Route).Host("foo.domain.com").Path("/articles"),
 		vars:  []string{},
 		url:   "http://foo.domain.com/articles",
 	},
 	{
 		route: new(Route).Path("/articles"),
 		vars:  []string{},
 		url:   "/articles",
 	},
 	{
 		route: new(Route).Path("/articles/{category}/{id:[0-9]+}"),
 		vars:  []string{"category", "technology", "id", "42"},
 		url:   "/articles/technology/42",
 	},
 	{
 		route: new(Route).Host("{subdomain}.domain.com").Path("/articles/{category}/{id:[0-9]+}"),
 		vars:  []string{"subdomain", "foo", "category", "technology", "id", "42"},
 		url:   "http://foo.domain.com/articles/technology/42",
 	},
 }

 func TestHeaderMatcher(t *testing.T) {
 	for _, v := range headerMatcherTests {
 		request, _ := http.NewRequest("GET", "http://localhost:8080/", nil)
 		for key, value := range v.headers {
 			request.Header.Add(key, value)
 		}
 		var routeMatch RouteMatch
 		result := v.matcher.Match(request, &routeMatch)
 		if result != v.result {
 			if v.result {
 				t.Errorf("%#v: should match %v.", v.matcher, request.Header)
 			} else {
 				t.Errorf("%#v: should not match %v.", v.matcher, request.Header)
 			}
 		}
 	}
 }

 func TestHostMatcher(t *testing.T) {
 	for _, v := range hostMatcherTests {
 		request, _ := http.NewRequest("GET", v.url, nil)
 		var routeMatch RouteMatch
 		result := v.matcher.Match(request, &routeMatch)
 		vars := routeMatch.Vars
 		if result != v.result {
 			if v.result {
 				t.Errorf("%#v: should match %v.", v.matcher, v.url)
 			} else {
 				t.Errorf("%#v: should not match %v.", v.matcher, v.url)
 			}
 		}
 		if result {
 			if len(vars) != len(v.vars) {
 				t.Errorf("%#v: vars length should be %v, got %v.", v.matcher, len(v.vars), len(vars))
 			}
 			for name, value := range vars {
 				if v.vars[name] != value {
 					t.Errorf("%#v: expected value %v for key %v, got %v.", v.matcher, v.vars[name], name, value)
 				}
 			}
 		} else {
 			if len(vars) != 0 {
 				t.Errorf("%#v: vars length should be 0, got %v.", v.matcher, len(vars))
 			}
 		}
 	}
 }

 func TestMethodMatcher(t *testing.T) {
 	for _, v := range methodMatcherTests {
 		request, _ := http.NewRequest(v.method, "http://localhost:8080/", nil)
 		var routeMatch RouteMatch
 		result := v.matcher.Match(request, &routeMatch)
 		if result != v.result {
 			if v.result {
 				t.Errorf("%#v: should match %v.", v.matcher, v.method)
 			} else {
 				t.Errorf("%#v: should not match %v.", v.matcher, v.method)
 			}
 		}
 	}
 }

 func TestPathMatcher(t *testing.T) {
 	for _, v := range pathMatcherTests {
 		request, _ := http.NewRequest("GET", v.url, nil)
 		var routeMatch RouteMatch
 		result := v.matcher.Match(request, &routeMatch)
 		vars := routeMatch.Vars
 		if result != v.result {
 			if v.result {
 				t.Errorf("%#v: should match %v.", v.matcher, v.url)
 			} else {
 				t.Errorf("%#v: should not match %v.", v.matcher, v.url)
 			}
 		}
 		if result {
 			if len(vars) != len(v.vars) {
 				t.Errorf("%#v: vars length should be %v, got %v.", v.matcher, len(v.vars), len(vars))
 			}
 			for name, value := range vars {
 				if v.vars[name] != value {
 					t.Errorf("%#v: expected value %v for key %v, got %v.", v.matcher, v.vars[name], name, value)
 				}
 			}
 		} else {
 			if len(vars) != 0 {
 				t.Errorf("%#v: vars length should be 0, got %v.", v.matcher, len(vars))
 			}
 		}
 	}
 }

 func TestSchemeMatcher(t *testing.T) {
 	for _, v := range schemeMatcherTests {
 		request, _ := http.NewRequest("GET", v.url, nil)
 		var routeMatch RouteMatch
 		result := v.matcher.Match(request, &routeMatch)
 		if result != v.result {
 			if v.result {
 				t.Errorf("%#v: should match %v.", v.matcher, v.url)
 			} else {
 				t.Errorf("%#v: should not match %v.", v.matcher, v.url)
 			}
 		}
 	}
 }

 func TestUrlBuilding(t *testing.T) {

 	for _, v := range urlBuildingTests {
 		u, _ := v.route.URL(v.vars...)
 		url := u.String()
 		if url != v.url {
 			t.Errorf("expected %v, got %v", v.url, url)
 			/*
 				reversePath := ""
 				reverseHost := ""
 				if v.route.pathTemplate != nil {
 						reversePath = v.route.pathTemplate.Reverse
 				}
 				if v.route.hostTemplate != nil {
 						reverseHost = v.route.hostTemplate.Reverse
 				}

 				t.Errorf("%#v:\nexpected: %q\ngot: %q\nreverse path: %q\nreverse host: %q", v.route, v.url, url, reversePath, reverseHost)
 			*/
 		}
 	}

 	ArticleHandler := func(w http.ResponseWriter, r *http.Request) {
 	}

 	router := NewRouter()
 	router.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).Name("article")

 	url, _ := router.Get("article").URL("category", "technology", "id", "42")
 	expected := "/articles/technology/42"
 	if url.String() != expected {
 		t.Errorf("Expected %v, got %v", expected, url.String())
 	}
 }

 func TestMatchedRouteName(t *testing.T) {
 	routeName := "stock"
 	router := NewRouter()
 	route := router.NewRoute().Path("/products/").Name(routeName)

 	url := "http://www.example.com/products/"
 	request, _ := http.NewRequest("GET", url, nil)
 	var rv RouteMatch
 	ok := router.Match(request, &rv)

 	if !ok || rv.Route != route {
 		t.Errorf("Expected same route, got %+v.", rv.Route)
 	}

 	retName := rv.Route.GetName()
 	if retName != routeName {
 		t.Errorf("Expected %q, got %q.", routeName, retName)
 	}
 }

 func TestSubRouting(t *testing.T) {
 	// Example from docs.
 	router := NewRouter()
 	subrouter := router.NewRoute().Host("www.example.com").Subrouter()
 	route := subrouter.NewRoute().Path("/products/").Name("products")

 	url := "http://www.example.com/products/"
 	request, _ := http.NewRequest("GET", url, nil)
 	var rv RouteMatch
 	ok := router.Match(request, &rv)

 	if !ok || rv.Route != route {
 		t.Errorf("Expected same route, got %+v.", rv.Route)
 	}

 	u, _ := router.Get("products").URL()
 	builtURL := u.String()
 	// Yay, subroute aware of the domain when building!
 	if builtURL != url {
 		t.Errorf("Expected %q, got %q.", url, builtURL)
 	}
 }

 func TestVariableNames(t *testing.T) {
 	route := new(Route).Host("{arg1}.domain.com").Path("/{arg1}/{arg2:[0-9]+}")
 	if route.err == nil {
 		t.Errorf("Expected error for duplicated variable names")
 	}
 }

 func TestRedirectSlash(t *testing.T) {
 	var route *Route
 	var routeMatch RouteMatch
 	r := NewRouter()

 	r.StrictSlash(false)
 	route = r.NewRoute()
 	if route.strictSlash != false {
 		t.Errorf("Expected false redirectSlash.")
 	}

 	r.StrictSlash(true)
 	route = r.NewRoute()
 	if route.strictSlash != true {
 		t.Errorf("Expected true redirectSlash.")
 	}

 	route = new(Route)
 	route.strictSlash = true
 	route.Path("/{arg1}/{arg2:[0-9]+}/")
 	request, _ := http.NewRequest("GET", "http://localhost/foo/123", nil)
 	routeMatch = RouteMatch{}
 	_ = route.Match(request, &routeMatch)
 	vars := routeMatch.Vars
 	if vars["arg1"] != "foo" {
 		t.Errorf("Expected foo.")
 	}
 	if vars["arg2"] != "123" {
 		t.Errorf("Expected 123.")
 	}
 	rsp := NewRecorder()
 	routeMatch.Handler.ServeHTTP(rsp, request)
 	if rsp.HeaderMap.Get("Location") != "http://localhost/foo/123/" {
 		t.Errorf("Expected redirect header.")
 	}

 	route = new(Route)
 	route.strictSlash = true
 	route.Path("/{arg1}/{arg2:[0-9]+}")
 	request, _ = http.NewRequest("GET", "http://localhost/foo/123/", nil)
 	routeMatch = RouteMatch{}
 	_ = route.Match(request, &routeMatch)
 	vars = routeMatch.Vars
 	if vars["arg1"] != "foo" {
 		t.Errorf("Expected foo.")
 	}
 	if vars["arg2"] != "123" {
 		t.Errorf("Expected 123.")
 	}
 	rsp = NewRecorder()
 	routeMatch.Handler.ServeHTTP(rsp, request)
 	if rsp.HeaderMap.Get("Location") != "http://localhost/foo/123" {
 		t.Errorf("Expected redirect header.")
 	}
 }

 // Test for the new regexp library, still not available in stable Go.
 func TestNewRegexp(t *testing.T) {
 	var p *routeRegexp
 	var matches []string

 	tests := map[string]map[string][]string{
 		"/{foo:a{2}}": {
 			"/a":    nil,
 			"/aa":   {"aa"},
 			"/aaa":  nil,
 			"/aaaa": nil,
 		},
 		"/{foo:a{2,}}": {
 			"/a":    nil,
 			"/aa":   {"aa"},
 			"/aaa":  {"aaa"},
 			"/aaaa": {"aaaa"},
 		},
 		"/{foo:a{2,3}}": {
 			"/a":    nil,
 			"/aa":   {"aa"},
 			"/aaa":  {"aaa"},
 			"/aaaa": nil,
 		},
 		"/{foo:[a-z]{3}}/{bar:[a-z]{2}}": {
 			"/a":       nil,
 			"/ab":      nil,
 			"/abc":     nil,
 			"/abcd":    nil,
 			"/abc/ab":  {"abc", "ab"},
 			"/abc/abc": nil,
 			"/abcd/ab": nil,
 		},
 		`/{foo:\w{3,}}/{bar:\d{2,}}`: {
 			"/a":        nil,
 			"/ab":       nil,
 			"/abc":      nil,
 			"/abc/1":    nil,
 			"/abc/12":   {"abc", "12"},
 			"/abcd/12":  {"abcd", "12"},
 			"/abcd/123": {"abcd", "123"},
 		},
 	}

 	for pattern, paths := range tests {
 		p, _ = newRouteRegexp(pattern, regexpTypePath, routeRegexpOptions{})
 		for path, result := range paths {
 			matches = p.regexp.FindStringSubmatch(path)
 			if result == nil {
 				if matches != nil {
 					t.Errorf("%v should not match %v.", pattern, path)
 				}
 			} else {
 				if len(matches) != len(result)+1 {
 					t.Errorf("Expected %v matches, got %v.", len(result)+1, len(matches))
 				} else {
 					for k, v := range result {
 						if matches[k+1] != v {
 							t.Errorf("Expected %v, got %v.", v, matches[k+1])
 						}
 					}
 				}
 			}
 		}
 	}
 }
	// Old tests ported to Go1. This is a mess. Want to drop it one day.

	// Copyright 2011 Gorilla Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	package mux

	import (
	"bytes"
	"net/http"
	"testing"
	)

	// ----------------------------------------------------------------------------
	// ResponseRecorder
	// ----------------------------------------------------------------------------
	// Copyright 2009 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	// ResponseRecorder is an implementation of http.ResponseWriter that
	// records its mutations for later inspection in tests.
	type ResponseRecorder struct {
	Code int // the HTTP response code from WriteHeader
	HeaderMap http.Header // the HTTP response headers
	Body *bytes.Buffer // if non-nil, the bytes.Buffer to append written data to
	Flushed bool
	}

	// NewRecorder returns an initialized ResponseRecorder.
	func NewRecorder() *ResponseRecorder {
	return &ResponseRecorder{
	HeaderMap: make(http.Header),
	Body: new(bytes.Buffer),
	}
	}

	// Header returns the response headers.
	func (rw *ResponseRecorder) Header() http.Header {
	return rw.HeaderMap
	}

	// Write always succeeds and writes to rw.Body, if not nil.
	func (rw *ResponseRecorder) Write(buf []byte) (int, error) {
	if rw.Body != nil {
	rw.Body.Write(buf)
	}
	if rw.Code == 0 {
	rw.Code = http.StatusOK
	}
	return len(buf), nil
	}

	// WriteHeader sets rw.Code.
	func (rw *ResponseRecorder) WriteHeader(code int) {
	rw.Code = code
	}

	// Flush sets rw.Flushed to true.
	func (rw *ResponseRecorder) Flush() {
	rw.Flushed = true
	}

	// ----------------------------------------------------------------------------

	func TestRouteMatchers(t *testing.T) {
	var scheme, host, path, query, method string
	var headers map[string]string
	var resultVars map[bool]map[string]string

	router := NewRouter()
	router.NewRoute().Host("{var1}.google.com").
	Path("/{var2:[a-z]+}/{var3:[0-9]+}").
	Queries("foo", "bar").
	Methods("GET").
	Schemes("https").
	Headers("x-requested-with", "XMLHttpRequest")
	router.NewRoute().Host("www.{var4}.com").
	PathPrefix("/foo/{var5:[a-z]+}/{var6:[0-9]+}").
	Queries("baz", "ding").
	Methods("POST").
	Schemes("http").
	Headers("Content-Type", "application/json")

	reset := func() {
	// Everything match.
	scheme = "https"
	host = "www.google.com"
	path = "/product/42"
	query = "?foo=bar"
	method = "GET"
	headers = map[string]string{"X-Requested-With": "XMLHttpRequest"}
	resultVars = map[bool]map[string]string{
	true: {"var1": "www", "var2": "product", "var3": "42"},
	false: {},
	}
	}

	reset2 := func() {
	// Everything match.
	scheme = "http"
	host = "www.google.com"
	path = "/foo/product/42/path/that/is/ignored"
	query = "?baz=ding"
	method = "POST"
	headers = map[string]string{"Content-Type": "application/json"}
	resultVars = map[bool]map[string]string{
	true: {"var4": "google", "var5": "product", "var6": "42"},
	false: {},
	}
	}

	match := func(shouldMatch bool) {
	url := scheme + "://" + host + path + query
	request, _ := http.NewRequest(method, url, nil)
	for key, value := range headers {
	request.Header.Add(key, value)
	}

	var routeMatch RouteMatch
	matched := router.Match(request, &routeMatch)
	if matched != shouldMatch {
	t.Errorf("Expected: %v\nGot: %v\nRequest: %v %v", shouldMatch, matched, request.Method, url)
	}

	if matched {
	currentRoute := routeMatch.Route
	if currentRoute == nil {
	t.Errorf("Expected a current route.")
	}
	vars := routeMatch.Vars
	expectedVars := resultVars[shouldMatch]
	if len(vars) != len(expectedVars) {
	t.Errorf("Expected vars: %v Got: %v.", expectedVars, vars)
	}
	for name, value := range vars {
	if expectedVars[name] != value {
	t.Errorf("Expected vars: %v Got: %v.", expectedVars, vars)
	}
	}
	}
	}

	// 1st route --------------------------------------------------------------

	// Everything match.
	reset()
	match(true)

	// Scheme doesn't match.
	reset()
	scheme = "http"
	match(false)

	// Host doesn't match.
	reset()
	host = "www.mygoogle.com"
	match(false)

	// Path doesn't match.
	reset()
	path = "/product/notdigits"
	match(false)

	// Query doesn't match.
	reset()
	query = "?foo=baz"
	match(false)

	// Method doesn't match.
	reset()
	method = "POST"
	match(false)

	// Header doesn't match.
	reset()
	headers = map[string]string{}
	match(false)

	// Everything match, again.
	reset()
	match(true)

	// 2nd route --------------------------------------------------------------
	// Everything match.
	reset2()
	match(true)

	// Scheme doesn't match.
	reset2()
	scheme = "https"
	match(false)

	// Host doesn't match.
	reset2()
	host = "sub.google.com"
	match(false)

	// Path doesn't match.
	reset2()
	path = "/bar/product/42"
	match(false)

	// Query doesn't match.
	reset2()
	query = "?foo=baz"
	match(false)

	// Method doesn't match.
	reset2()
	method = "GET"
	match(false)

	// Header doesn't match.
	reset2()
	headers = map[string]string{}
	match(false)

	// Everything match, again.
	reset2()
	match(true)
	}

	type headerMatcherTest struct {
	matcher headerMatcher
	headers map[string]string
	result bool
	}

	var headerMatcherTests = []headerMatcherTest{
	{
	matcher: headerMatcher(map[string]string{"x-requested-with": "XMLHttpRequest"}),
	headers: map[string]string{"X-Requested-With": "XMLHttpRequest"},
	result: true,
	},
	{
	matcher: headerMatcher(map[string]string{"x-requested-with": ""}),
	headers: map[string]string{"X-Requested-With": "anything"},
	result: true,
	},
	{
	matcher: headerMatcher(map[string]string{"x-requested-with": "XMLHttpRequest"}),
	headers: map[string]string{},
	result: false,
	},
	}

	type hostMatcherTest struct {
	matcher *Route
	url string
	vars map[string]string
	result bool
	}

	var hostMatcherTests = []hostMatcherTest{
	{
	matcher: NewRouter().NewRoute().Host("{foo:[a-z][a-z][a-z]}.{bar:[a-z][a-z][a-z]}.{baz:[a-z][a-z][a-z]}"),
	url: "http://abc.def.ghi/",
	vars: map[string]string{"foo": "abc", "bar": "def", "baz": "ghi"},
	result: true,
	},
	{
	matcher: NewRouter().NewRoute().Host("{foo:[a-z][a-z][a-z]}.{bar:[a-z][a-z][a-z]}.{baz:[a-z][a-z][a-z]}"),
	url: "http://a.b.c/",
	vars: map[string]string{"foo": "abc", "bar": "def", "baz": "ghi"},
	result: false,
	},
	}

	type methodMatcherTest struct {
	matcher methodMatcher
	method string
	result bool
	}

	var methodMatcherTests = []methodMatcherTest{
	{
	matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
	method: "GET",
	result: true,
	},
	{
	matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
	method: "POST",
	result: true,
	},
	{
	matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
	method: "PUT",
	result: true,
	},
	{
	matcher: methodMatcher([]string{"GET", "POST", "PUT"}),
	method: "DELETE",
	result: false,
	},
	}

	type pathMatcherTest struct {
	matcher *Route
	url string
	vars map[string]string
	result bool
	}

	var pathMatcherTests = []pathMatcherTest{
	{
	matcher: NewRouter().NewRoute().Path("/{foo:[0-9][0-9][0-9]}/{bar:[0-9][0-9][0-9]}/{baz:[0-9][0-9][0-9]}"),
	url: "http://localhost:8080/123/456/789",
	vars: map[string]string{"foo": "123", "bar": "456", "baz": "789"},
	result: true,
	},
	{
	matcher: NewRouter().NewRoute().Path("/{foo:[0-9][0-9][0-9]}/{bar:[0-9][0-9][0-9]}/{baz:[0-9][0-9][0-9]}"),
	url: "http://localhost:8080/1/2/3",
	vars: map[string]string{"foo": "123", "bar": "456", "baz": "789"},
	result: false,
	},
	}

	type schemeMatcherTest struct {
	matcher schemeMatcher
	url string
	result bool
	}

	var schemeMatcherTests = []schemeMatcherTest{
	{
	matcher: schemeMatcher([]string{"http", "https"}),
	url: "http://localhost:8080/",
	result: true,
	},
	{
	matcher: schemeMatcher([]string{"http", "https"}),
	url: "https://localhost:8080/",
	result: true,
	},
	{
	matcher: schemeMatcher([]string{"https"}),
	url: "http://localhost:8080/",
	result: false,
	},
	{
	matcher: schemeMatcher([]string{"http"}),
	url: "https://localhost:8080/",
	result: false,
	},
	}

	type urlBuildingTest struct {
	route *Route
	vars []string
	url string
	}

	var urlBuildingTests = []urlBuildingTest{
	{
	route: new(Route).Host("foo.domain.com"),
	vars: []string{},
	url: "http://foo.domain.com",
	},
	{
	route: new(Route).Host("{subdomain}.domain.com"),
	vars: []string{"subdomain", "bar"},
	url: "http://bar.domain.com",
	},
	{
	route: new(Route).Host("foo.domain.com").Path("/articles"),
	vars: []string{},
	url: "http://foo.domain.com/articles",
	},
	{
	route: new(Route).Path("/articles"),
	vars: []string{},
	url: "/articles",
	},
	{
	route: new(Route).Path("/articles/{category}/{id:[0-9]+}"),
	vars: []string{"category", "technology", "id", "42"},
	url: "/articles/technology/42",
	},
	{
	route: new(Route).Host("{subdomain}.domain.com").Path("/articles/{category}/{id:[0-9]+}"),
	vars: []string{"subdomain", "foo", "category", "technology", "id", "42"},
	url: "http://foo.domain.com/articles/technology/42",
	},
	}

	func TestHeaderMatcher(t *testing.T) {
	for _, v := range headerMatcherTests {
	request, _ := http.NewRequest("GET", "http://localhost:8080/", nil)
	for key, value := range v.headers {
	request.Header.Add(key, value)
	}
	var routeMatch RouteMatch
	result := v.matcher.Match(request, &routeMatch)
	if result != v.result {
	if v.result {
	t.Errorf("%#v: should match %v.", v.matcher, request.Header)
	} else {
	t.Errorf("%#v: should not match %v.", v.matcher, request.Header)
	}
	}
	}
	}

	func TestHostMatcher(t *testing.T) {
	for _, v := range hostMatcherTests {
	request, _ := http.NewRequest("GET", v.url, nil)
	var routeMatch RouteMatch
	result := v.matcher.Match(request, &routeMatch)
	vars := routeMatch.Vars
	if result != v.result {
	if v.result {
	t.Errorf("%#v: should match %v.", v.matcher, v.url)
	} else {
	t.Errorf("%#v: should not match %v.", v.matcher, v.url)
	}
	}
	if result {
	if len(vars) != len(v.vars) {
	t.Errorf("%#v: vars length should be %v, got %v.", v.matcher, len(v.vars), len(vars))
	}
	for name, value := range vars {
	if v.vars[name] != value {
	t.Errorf("%#v: expected value %v for key %v, got %v.", v.matcher, v.vars[name], name, value)
	}
	}
	} else {
	if len(vars) != 0 {
	t.Errorf("%#v: vars length should be 0, got %v.", v.matcher, len(vars))
	}
	}
	}
	}

	func TestMethodMatcher(t *testing.T) {
	for _, v := range methodMatcherTests {
	request, _ := http.NewRequest(v.method, "http://localhost:8080/", nil)
	var routeMatch RouteMatch
	result := v.matcher.Match(request, &routeMatch)
	if result != v.result {
	if v.result {
	t.Errorf("%#v: should match %v.", v.matcher, v.method)
	} else {
	t.Errorf("%#v: should not match %v.", v.matcher, v.method)
	}
	}
	}
	}

	func TestPathMatcher(t *testing.T) {
	for _, v := range pathMatcherTests {
	request, _ := http.NewRequest("GET", v.url, nil)
	var routeMatch RouteMatch
	result := v.matcher.Match(request, &routeMatch)
	vars := routeMatch.Vars
	if result != v.result {
	if v.result {
	t.Errorf("%#v: should match %v.", v.matcher, v.url)
	} else {
	t.Errorf("%#v: should not match %v.", v.matcher, v.url)
	}
	}
	if result {
	if len(vars) != len(v.vars) {
	t.Errorf("%#v: vars length should be %v, got %v.", v.matcher, len(v.vars), len(vars))
	}
	for name, value := range vars {
	if v.vars[name] != value {
	t.Errorf("%#v: expected value %v for key %v, got %v.", v.matcher, v.vars[name], name, value)
	}
	}
	} else {
	if len(vars) != 0 {
	t.Errorf("%#v: vars length should be 0, got %v.", v.matcher, len(vars))
	}
	}
	}
	}

	func TestSchemeMatcher(t *testing.T) {
	for _, v := range schemeMatcherTests {
	request, _ := http.NewRequest("GET", v.url, nil)
	var routeMatch RouteMatch
	result := v.matcher.Match(request, &routeMatch)
	if result != v.result {
	if v.result {
	t.Errorf("%#v: should match %v.", v.matcher, v.url)
	} else {
	t.Errorf("%#v: should not match %v.", v.matcher, v.url)
	}
	}
	}
	}

	func TestUrlBuilding(t *testing.T) {

	for _, v := range urlBuildingTests {
	u, _ := v.route.URL(v.vars...)
	url := u.String()
	if url != v.url {
	t.Errorf("expected %v, got %v", v.url, url)
	/*
	reversePath := ""
	reverseHost := ""
	if v.route.pathTemplate != nil {
	reversePath = v.route.pathTemplate.Reverse
	}
	if v.route.hostTemplate != nil {
	reverseHost = v.route.hostTemplate.Reverse
	}

	t.Errorf("%#v:\nexpected: %q\ngot: %q\nreverse path: %q\nreverse host: %q", v.route, v.url, url, reversePath, reverseHost)
	*/
	}
	}

	ArticleHandler := func(w http.ResponseWriter, r *http.Request) {
	}

	router := NewRouter()
	router.HandleFunc("/articles/{category}/{id:[0-9]+}", ArticleHandler).Name("article")

	url, _ := router.Get("article").URL("category", "technology", "id", "42")
	expected := "/articles/technology/42"
	if url.String() != expected {
	t.Errorf("Expected %v, got %v", expected, url.String())
	}
	}

	func TestMatchedRouteName(t *testing.T) {
	routeName := "stock"
	router := NewRouter()
	route := router.NewRoute().Path("/products/").Name(routeName)

	url := "http://www.example.com/products/"
	request, _ := http.NewRequest("GET", url, nil)
	var rv RouteMatch
	ok := router.Match(request, &rv)

	if !ok \|\| rv.Route != route {
	t.Errorf("Expected same route, got %+v.", rv.Route)
	}

	retName := rv.Route.GetName()
	if retName != routeName {
	t.Errorf("Expected %q, got %q.", routeName, retName)
	}
	}

	func TestSubRouting(t *testing.T) {
	// Example from docs.
	router := NewRouter()
	subrouter := router.NewRoute().Host("www.example.com").Subrouter()
	route := subrouter.NewRoute().Path("/products/").Name("products")

	url := "http://www.example.com/products/"
	request, _ := http.NewRequest("GET", url, nil)
	var rv RouteMatch
	ok := router.Match(request, &rv)

	if !ok \|\| rv.Route != route {
	t.Errorf("Expected same route, got %+v.", rv.Route)
	}

	u, _ := router.Get("products").URL()
	builtURL := u.String()
	// Yay, subroute aware of the domain when building!
	if builtURL != url {
	t.Errorf("Expected %q, got %q.", url, builtURL)
	}
	}

	func TestVariableNames(t *testing.T) {
	route := new(Route).Host("{arg1}.domain.com").Path("/{arg1}/{arg2:[0-9]+}")
	if route.err == nil {
	t.Errorf("Expected error for duplicated variable names")
	}
	}

	func TestRedirectSlash(t *testing.T) {
	var route *Route
	var routeMatch RouteMatch
	r := NewRouter()

	r.StrictSlash(false)
	route = r.NewRoute()
	if route.strictSlash != false {
	t.Errorf("Expected false redirectSlash.")
	}

	r.StrictSlash(true)
	route = r.NewRoute()
	if route.strictSlash != true {
	t.Errorf("Expected true redirectSlash.")
	}

	route = new(Route)
	route.strictSlash = true
	route.Path("/{arg1}/{arg2:[0-9]+}/")
	request, _ := http.NewRequest("GET", "http://localhost/foo/123", nil)
	routeMatch = RouteMatch{}
	_ = route.Match(request, &routeMatch)
	vars := routeMatch.Vars
	if vars["arg1"] != "foo" {
	t.Errorf("Expected foo.")
	}
	if vars["arg2"] != "123" {
	t.Errorf("Expected 123.")
	}
	rsp := NewRecorder()
	routeMatch.Handler.ServeHTTP(rsp, request)
	if rsp.HeaderMap.Get("Location") != "http://localhost/foo/123/" {
	t.Errorf("Expected redirect header.")
	}

	route = new(Route)
	route.strictSlash = true
	route.Path("/{arg1}/{arg2:[0-9]+}")
	request, _ = http.NewRequest("GET", "http://localhost/foo/123/", nil)
	routeMatch = RouteMatch{}
	_ = route.Match(request, &routeMatch)
	vars = routeMatch.Vars
	if vars["arg1"] != "foo" {
	t.Errorf("Expected foo.")
	}
	if vars["arg2"] != "123" {
	t.Errorf("Expected 123.")
	}
	rsp = NewRecorder()
	routeMatch.Handler.ServeHTTP(rsp, request)
	if rsp.HeaderMap.Get("Location") != "http://localhost/foo/123" {
	t.Errorf("Expected redirect header.")
	}
	}

	// Test for the new regexp library, still not available in stable Go.
	func TestNewRegexp(t *testing.T) {
	var p *routeRegexp
	var matches []string

	tests := map[string]map[string][]string{
	"/{foo:a{2}}": {
	"/a": nil,
	"/aa": {"aa"},
	"/aaa": nil,
	"/aaaa": nil,
	},
	"/{foo:a{2,}}": {
	"/a": nil,
	"/aa": {"aa"},
	"/aaa": {"aaa"},
	"/aaaa": {"aaaa"},
	},
	"/{foo:a{2,3}}": {
	"/a": nil,
	"/aa": {"aa"},
	"/aaa": {"aaa"},
	"/aaaa": nil,
	},
	"/{foo:[a-z]{3}}/{bar:[a-z]{2}}": {
	"/a": nil,
	"/ab": nil,
	"/abc": nil,
	"/abcd": nil,
	"/abc/ab": {"abc", "ab"},
	"/abc/abc": nil,
	"/abcd/ab": nil,
	},
	`/{foo:\w{3,}}/{bar:\d{2,}}`: {
	"/a": nil,
	"/ab": nil,
	"/abc": nil,
	"/abc/1": nil,
	"/abc/12": {"abc", "12"},
	"/abcd/12": {"abcd", "12"},
	"/abcd/123": {"abcd", "123"},
	},
	}

	for pattern, paths := range tests {
	p, _ = newRouteRegexp(pattern, regexpTypePath, routeRegexpOptions{})
	for path, result := range paths {
	matches = p.regexp.FindStringSubmatch(path)
	if result == nil {
	if matches != nil {
	t.Errorf("%v should not match %v.", pattern, path)
	}
	} else {
	if len(matches) != len(result)+1 {
	t.Errorf("Expected %v matches, got %v.", len(result)+1, len(matches))
	} else {
	for k, v := range result {
	if matches[k+1] != v {
	t.Errorf("Expected %v, got %v.", v, matches[k+1])
	}
	}
	}
	}
	}
	}
	}