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fox_test.go
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// Copyright 2022 Sylvain Müller. All rights reserved.
// Mount of this source code is governed by a Apache-2.0 license that can be found
// at https://github.com/tigerwill90/fox/blob/master/LICENSE.txt.
package fox
import (
"fmt"
"github.com/tigerwill90/fox/internal/iterutil"
"log"
"math/rand"
"net"
"net/http"
"net/http/httptest"
"reflect"
"regexp"
"slices"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
fuzz "github.com/google/gofuzz"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var emptyHandler = HandlerFunc(func(c Context) {})
var pathHandler = HandlerFunc(func(c Context) { _ = c.String(200, c.Request().URL.Path) })
type mockResponseWriter struct{}
func (m mockResponseWriter) Header() (h http.Header) {
return http.Header{}
}
func (m mockResponseWriter) Write(p []byte) (n int, err error) {
return len(p), nil
}
func (m mockResponseWriter) WriteString(s string) (n int, err error) {
return len(s), nil
}
func (m mockResponseWriter) WriteHeader(int) {}
type route struct {
method string
path string
}
var overlappingRoutes = []route{
{"GET", "/foo/abc/id:{id}/xyz"},
{"GET", "/foo/{name}/id:{id}/{name}"},
{"GET", "/foo/{name}/id:{id}/xyz"},
}
// From https://github.com/julienschmidt/go-http-routing-benchmark
var staticRoutes = []route{
{"GET", "/"},
{"GET", "/cmd.html"},
{"GET", "/code.html"},
{"GET", "/contrib.html"},
{"GET", "/contribute.html"},
{"GET", "/debugging_with_gdb.html"},
{"GET", "/docs.html"},
{"GET", "/effective_go.html"},
{"GET", "/files.log"},
{"GET", "/gccgo_contribute.html"},
{"GET", "/gccgo_install.html"},
{"GET", "/go-logo-black.png"},
{"GET", "/go-logo-blue.png"},
{"GET", "/go-logo-white.png"},
{"GET", "/go1.1.html"},
{"GET", "/go1.2.html"},
{"GET", "/go1.html"},
{"GET", "/go1compat.html"},
{"GET", "/go_faq.html"},
{"GET", "/go_mem.html"},
{"GET", "/go_spec.html"},
{"GET", "/help.html"},
{"GET", "/ie.css"},
{"GET", "/install-source.html"},
{"GET", "/install.html"},
{"GET", "/logo-153x55.png"},
{"GET", "/Makefile"},
{"GET", "/root.html"},
{"GET", "/share.png"},
{"GET", "/sieve.gif"},
{"GET", "/tos.html"},
{"GET", "/articles"},
{"GET", "/articles/go_command.html"},
{"GET", "/articles/index.html"},
{"GET", "/articles/wiki"},
{"GET", "/articles/wiki/edit.html"},
{"GET", "/articles/wiki/final-noclosure.go"},
{"GET", "/articles/wiki/final-noerror.go"},
{"GET", "/articles/wiki/final-parsetemplate.go"},
{"GET", "/articles/wiki/final-template.go"},
{"GET", "/articles/wiki/final.go"},
{"GET", "/articles/wiki/get.go"},
{"GET", "/articles/wiki/http-sample.go"},
{"GET", "/articles/wiki/index.html"},
{"GET", "/articles/wiki/Makefile"},
{"GET", "/articles/wiki/notemplate.go"},
{"GET", "/articles/wiki/part1-noerror.go"},
{"GET", "/articles/wiki/part1.go"},
{"GET", "/articles/wiki/part2.go"},
{"GET", "/iptv-sfr"},
{"GET", "/articles/wiki/part3.go"},
{"GET", "/articles/wiki/test.bash"},
{"GET", "/articles/wiki/test_edit.good"},
{"GET", "/articles/wiki/test_Test.txt.good"},
{"GET", "/articles/wiki/test_view.good"},
{"GET", "/articles/wiki/view.html"},
{"GET", "/codewalk"},
{"GET", "/codewalk/codewalk.css"},
{"GET", "/codewalk/codewalk.js"},
{"GET", "/codewalk/codewalk.xml"},
{"GET", "/codewalk/functions.xml"},
{"GET", "/codewalk/markov.go"},
{"GET", "/codewalk/markov.xml"},
{"GET", "/codewalk/pig.go"},
{"GET", "/codewalk/popout.png"},
{"GET", "/codewalk/run"},
{"GET", "/codewalk/sharemem.xml"},
{"GET", "/codewalk/urlpoll.go"},
{"GET", "/devel"},
{"GET", "/devel/release.html"},
{"GET", "/devel/weekly.html"},
{"GET", "/gopher"},
{"GET", "/gopher/appenginegopher.jpg"},
{"GET", "/gopher/appenginegophercolor.jpg"},
{"GET", "/gopher/appenginelogo.gif"},
{"GET", "/gopher/bumper.png"},
{"GET", "/gopher/bumper192x108.png"},
{"GET", "/gopher/bumper320x180.png"},
{"GET", "/gopher/bumper480x270.png"},
{"GET", "/gopher/bumper640x360.png"},
{"GET", "/gopher/doc.png"},
{"GET", "/gopher/frontpage.png"},
{"GET", "/gopher/gopherbw.png"},
{"GET", "/gopher/gophercolor.png"},
{"GET", "/gopher/gophercolor16x16.png"},
{"GET", "/gopher/help.png"},
{"GET", "/gopher/pkg.png"},
{"GET", "/gopher/project.png"},
{"GET", "/gopher/ref.png"},
{"GET", "/gopher/run.png"},
{"GET", "/gopher/talks.png"},
{"GET", "/gopher/pencil"},
{"GET", "/gopher/pencil/gopherhat.jpg"},
{"GET", "/gopher/pencil/gopherhelmet.jpg"},
{"GET", "/gopher/pencil/gophermega.jpg"},
{"GET", "/gopher/pencil/gopherrunning.jpg"},
{"GET", "/gopher/pencil/gopherswim.jpg"},
{"GET", "/gopher/pencil/gopherswrench.jpg"},
{"GET", "/play"},
{"GET", "/play/fib.go"},
{"GET", "/play/hello.go"},
{"GET", "/play/life.go"},
{"GET", "/play/peano.go"},
{"GET", "/play/pi.go"},
{"GET", "/play/sieve.go"},
{"GET", "/play/solitaire.go"},
{"GET", "/play/tree.go"},
{"GET", "/progs"},
{"GET", "/progs/cgo1.go"},
{"GET", "/progs/cgo2.go"},
{"GET", "/progs/cgo3.go"},
{"GET", "/progs/cgo4.go"},
{"GET", "/progs/defer.go"},
{"GET", "/progs/defer.out"},
{"GET", "/progs/defer2.go"},
{"GET", "/progs/defer2.out"},
{"GET", "/progs/eff_bytesize.go"},
{"GET", "/progs/eff_bytesize.out"},
{"GET", "/progs/eff_qr.go"},
{"GET", "/progs/eff_sequence.go"},
{"GET", "/progs/eff_sequence.out"},
{"GET", "/progs/eff_unused1.go"},
{"GET", "/progs/eff_unused2.go"},
{"GET", "/progs/error.go"},
{"GET", "/progs/error2.go"},
{"GET", "/progs/error3.go"},
{"GET", "/progs/error4.go"},
{"GET", "/progs/go1.go"},
{"GET", "/progs/gobs1.go"},
{"GET", "/progs/gobs2.go"},
{"GET", "/progs/image_draw.go"},
{"GET", "/progs/image_package1.go"},
{"GET", "/progs/image_package1.out"},
{"GET", "/progs/image_package2.go"},
{"GET", "/progs/image_package2.out"},
{"GET", "/progs/image_package3.go"},
{"GET", "/progs/image_package3.out"},
{"GET", "/progs/image_package4.go"},
{"GET", "/progs/image_package4.out"},
{"GET", "/progs/image_package5.go"},
{"GET", "/progs/image_package5.out"},
{"GET", "/progs/image_package6.go"},
{"GET", "/progs/image_package6.out"},
{"GET", "/progs/interface.go"},
{"GET", "/progs/interface2.go"},
{"GET", "/progs/interface2.out"},
{"GET", "/progs/json1.go"},
{"GET", "/progs/json2.go"},
{"GET", "/progs/json2.out"},
{"GET", "/progs/json3.go"},
{"GET", "/progs/json4.go"},
{"GET", "/progs/json5.go"},
{"GET", "/progs/run"},
{"GET", "/progs/slices.go"},
{"GET", "/progs/timeout1.go"},
{"GET", "/progs/timeout2.go"},
{"GET", "/progs/update.bash"},
}
// From https://github.com/julienschmidt/go-http-routing-benchmark
var githubAPI = []route{
// OAuth Authorizations
{"GET", "/authorizations"},
{"GET", "/authorizations/{id}"},
{"POST", "/authorizations"},
{"DELETE", "/authorizations/{id}"},
{"GET", "/applications/{client_id}/tokens/{access_token}"},
{"DELETE", "/applications/{client_id}/tokens"},
{"DELETE", "/applications/{client_id}/tokens/{access_token}"},
// Activity
{"GET", "/events"},
{"GET", "/repos/{owner}/{repo}/events"},
{"GET", "/networks/{owner}/{repo}/events"},
{"GET", "/orgs/{org}/events"},
{"GET", "/users/{user}/received_events"},
{"GET", "/users/{user}/received_events/public"},
{"GET", "/users/{user}/events"},
{"GET", "/users/{user}/events/public"},
{"GET", "/users/{user}/events/orgs/{org}"},
{"GET", "/feeds"},
{"GET", "/notifications"},
{"GET", "/repos/{owner}/{repo}/notifications"},
{"PUT", "/notifications"},
{"PUT", "/repos/{owner}/{repo}/notifications"},
{"GET", "/notifications/threads/{id}"},
{"GET", "/notifications/threads/{id}/subscription"},
{"PUT", "/notifications/threads/{id}/subscription"},
{"DELETE", "/notifications/threads/{id}/subscription"},
{"GET", "/repos/{owner}/{repo}/stargazers"},
{"GET", "/users/{user}/starred"},
{"GET", "/user/starred"},
{"GET", "/user/starred/{owner}/{repo}"},
{"PUT", "/user/starred/{owner}/{repo}"},
{"DELETE", "/user/starred/{owner}/{repo}"},
{"GET", "/repos/{owner}/{repo}/subscribers"},
{"GET", "/users/{user}/subscriptions"},
{"GET", "/user/subscriptions"},
{"GET", "/repos/{owner}/{repo}/subscription"},
{"PUT", "/repos/{owner}/{repo}/subscription"},
{"DELETE", "/repos/{owner}/{repo}/subscription"},
{"GET", "/user/subscriptions/{owner}/{repo}"},
{"PUT", "/user/subscriptions/{owner}/{repo}"},
{"DELETE", "/user/subscriptions/{owner}/{repo}"},
// Gists
{"GET", "/users/{user}/gists"},
{"GET", "/gists"},
{"GET", "/gists/{id}"},
{"POST", "/gists"},
{"PUT", "/gists/{id}/star"},
{"DELETE", "/gists/{id}/star"},
{"GET", "/gists/{id}/star"},
{"POST", "/gists/{id}/forks"},
{"DELETE", "/gists/{id}"},
// Git Data
{"GET", "/repos/{owner}/{repo}/git/blobs/{sha}"},
{"POST", "/repos/{owner}/{repo}/git/blobs"},
{"GET", "/repos/{owner}/{repo}/git/commits/{sha}"},
{"POST", "/repos/{owner}/{repo}/git/commits"},
{"GET", "/repos/{owner}/{repo}/git/refs/*{ref}"},
{"GET", "/repos/{owner}/{repo}/git/refs"},
{"POST", "/repos/{owner}/{repo}/git/refs"},
{"DELETE", "/repos/{owner}/{repo}/git/refs/*{ref}"},
{"GET", "/repos/{owner}/{repo}/git/tags/{sha}"},
{"POST", "/repos/{owner}/{repo}/git/tags"},
{"GET", "/repos/{owner}/{repo}/git/trees/{sha}"},
{"POST", "/repos/{owner}/{repo}/git/trees"},
// Issues
{"GET", "/issues"},
{"GET", "/user/issues"},
{"GET", "/orgs/{org}/issues"},
{"GET", "/repos/{owner}/{repo}/issues"},
{"GET", "/repos/{owner}/{repo}/issues/{number}"},
{"POST", "/repos/{owner}/{repo}/issues"},
{"GET", "/repos/{owner}/{repo}/assignees"},
{"GET", "/repos/{owner}/{repo}/assignees/:assignee"},
{"GET", "/repos/{owner}/{repo}/issues/{number}/comments"},
{"POST", "/repos/{owner}/{repo}/issues/{number}/comments"},
{"GET", "/repos/{owner}/{repo}/issues/{number}/events"},
{"GET", "/repos/{owner}/{repo}/labels"},
{"GET", "/repos/{owner}/{repo}/labels/{name}"},
{"POST", "/repos/{owner}/{repo}/labels"},
{"DELETE", "/repos/{owner}/{repo}/labels/{name}"},
{"GET", "/repos/{owner}/{repo}/issues/{number}/labels"},
{"POST", "/repos/{owner}/{repo}/issues/{number}/labels"},
{"DELETE", "/repos/{owner}/{repo}/issues/{number}/labels/{name}"},
{"PUT", "/repos/{owner}/{repo}/issues/{number}/labels"},
{"DELETE", "/repos/{owner}/{repo}/issues/{number}/labels"},
{"GET", "/repos/{owner}/{repo}/milestones/{number}/labels"},
{"GET", "/repos/{owner}/{repo}/milestones"},
{"GET", "/repos/{owner}/{repo}/milestones/{number}"},
{"POST", "/repos/{owner}/{repo}/milestones"},
{"DELETE", "/repos/{owner}/{repo}/milestones/{number}"},
// Miscellaneous
{"GET", "/emojis"},
{"GET", "/gitignore/templates"},
{"GET", "/gitignore/templates/{name}"},
{"POST", "/markdown"},
{"POST", "/markdown/raw"},
{"GET", "/meta"},
{"GET", "/rate_limit"},
// Organizations
{"GET", "/users/{user}/orgs"},
{"GET", "/user/orgs"},
{"GET", "/orgs/{org}"},
{"GET", "/orgs/{org}/members"},
{"GET", "/orgs/{org}/members/{user}"},
{"DELETE", "/orgs/{org}/members/{user}"},
{"GET", "/orgs/{org}/public_members"},
{"GET", "/orgs/{org}/public_members/{user}"},
{"PUT", "/orgs/{org}/public_members/{user}"},
{"DELETE", "/orgs/{org}/public_members/{user}"},
{"GET", "/orgs/{org}/teams"},
{"GET", "/teams/{id}"},
{"POST", "/orgs/{org}/teams"},
{"DELETE", "/teams/{id}"},
{"GET", "/teams/{id}/members"},
{"GET", "/teams/{id}/members/{user}"},
{"PUT", "/teams/{id}/members/{user}"},
{"DELETE", "/teams/{id}/members/{user}"},
{"GET", "/teams/{id}/repos"},
{"GET", "/teams/{id}/repos/{owner}/{repo}"},
{"PUT", "/teams/{id}/repos/{owner}/{repo}"},
{"DELETE", "/teams/{id}/repos/{owner}/{repo}"},
{"GET", "/user/teams"},
// Pull Requests
{"GET", "/repos/{owner}/{repo}/pulls"},
{"GET", "/repos/{owner}/{repo}/pulls/{number}"},
{"POST", "/repos/{owner}/{repo}/pulls"},
{"GET", "/repos/{owner}/{repo}/pulls/{number}/commits"},
{"GET", "/repos/{owner}/{repo}/pulls/{number}/files"},
{"GET", "/repos/{owner}/{repo}/pulls/{number}/merge"},
{"PUT", "/repos/{owner}/{repo}/pulls/{number}/merge"},
{"GET", "/repos/{owner}/{repo}/pulls/{number}/comments"},
{"PUT", "/repos/{owner}/{repo}/pulls/{number}/comments"},
// Repositories
{"GET", "/user/repos"},
{"GET", "/users/{user}/repos"},
{"GET", "/orgs/{org}/repos"},
{"GET", "/repositories"},
{"POST", "/user/repos"},
{"POST", "/orgs/{org}/repos"},
{"GET", "/repos/{owner}/{repo}"},
{"GET", "/repos/{owner}/{repo}/contributors"},
{"GET", "/repos/{owner}/{repo}/languages"},
{"GET", "/repos/{owner}/{repo}/teams"},
{"GET", "/repos/{owner}/{repo}/tags"},
{"GET", "/repos/{owner}/{repo}/branches"},
{"GET", "/repos/{owner}/{repo}/branches/{branch}"},
{"DELETE", "/repos/{owner}/{repo}"},
{"GET", "/repos/{owner}/{repo}/collaborators"},
{"GET", "/repos/{owner}/{repo}/collaborators/{user}"},
{"PUT", "/repos/{owner}/{repo}/collaborators/{user}"},
{"DELETE", "/repos/{owner}/{repo}/collaborators/{user}"},
{"GET", "/repos/{owner}/{repo}/comments"},
{"GET", "/repos/{owner}/{repo}/commits/{sha}/comments"},
{"POST", "/repos/{owner}/{repo}/commits/{sha}/comments"},
{"GET", "/repos/{owner}/{repo}/comments/{id}"},
{"DELETE", "/repos/{owner}/{repo}/comments/{id}"},
{"GET", "/repos/{owner}/{repo}/commits"},
{"GET", "/repos/{owner}/{repo}/commits/{sha}"},
{"GET", "/repos/{owner}/{repo}/readme"},
{"GET", "/repos/{owner}/{repo}/contents/*{path}"},
{"DELETE", "/repos/{owner}/{repo}/contents/*{path}"},
{"GET", "/repos/{owner}/{repo}/keys"},
{"GET", "/repos/{owner}/{repo}/keys/{id}"},
{"POST", "/repos/{owner}/{repo}/keys"},
{"DELETE", "/repos/{owner}/{repo}/keys/{id}"},
{"GET", "/repos/{owner}/{repo}/downloads"},
{"GET", "/repos/{owner}/{repo}/downloads/{id}"},
{"DELETE", "/repos/{owner}/{repo}/downloads/{id}"},
{"GET", "/repos/{owner}/{repo}/forks"},
{"POST", "/repos/{owner}/{repo}/forks"},
{"GET", "/repos/{owner}/{repo}/hooks"},
{"GET", "/repos/{owner}/{repo}/hooks/{id}"},
{"POST", "/repos/{owner}/{repo}/hooks"},
{"POST", "/repos/{owner}/{repo}/hooks/{id}/tests"},
{"DELETE", "/repos/{owner}/{repo}/hooks/{id}"},
{"POST", "/repos/{owner}/{repo}/merges"},
{"GET", "/repos/{owner}/{repo}/releases"},
{"GET", "/repos/{owner}/{repo}/releases/{id}"},
{"POST", "/repos/{owner}/{repo}/releases"},
{"DELETE", "/repos/{owner}/{repo}/releases/{id}"},
{"GET", "/repos/{owner}/{repo}/releases/{id}/assets"},
{"GET", "/repos/{owner}/{repo}/stats/contributors"},
{"GET", "/repos/{owner}/{repo}/stats/commit_activity"},
{"GET", "/repos/{owner}/{repo}/stats/code_frequency"},
{"GET", "/repos/{owner}/{repo}/stats/participation"},
{"GET", "/repos/{owner}/{repo}/stats/punch_card"},
{"GET", "/repos/{owner}/{repo}/statuses/{ref}"},
{"POST", "/repos/{owner}/{repo}/statuses/{ref}"},
// Search
{"GET", "/search/repositories"},
{"GET", "/search/code"},
{"GET", "/search/issues"},
{"GET", "/search/users"},
{"GET", "/legacy/issues/search/{owner}/{repository}/{state}/{keyword}"},
{"GET", "/legacy/repos/search/{keyword}"},
{"GET", "/legacy/user/search/{keyword}"},
{"GET", "/legacy/user/email/{email}"},
// Users
{"GET", "/users/{user}"},
{"GET", "/user"},
{"GET", "/users"},
{"GET", "/user/emails"},
{"POST", "/user/emails"},
{"DELETE", "/user/emails"},
{"GET", "/users/{user}/followers"},
{"GET", "/user/followers"},
{"GET", "/users/{user}/following"},
{"GET", "/user/following"},
{"GET", "/user/following/{user}"},
{"GET", "/users/{user}/following/{target_user}"},
{"PUT", "/user/following/{user}"},
{"DELETE", "/user/following/{user}"},
{"GET", "/users/{user}/keys"},
{"GET", "/user/keys"},
{"GET", "/user/keys/{id}"},
{"POST", "/user/keys"},
{"DELETE", "/user/keys/{id}"},
}
func benchRoutes(b *testing.B, router http.Handler, routes []route) {
w := new(mockResponseWriter)
r := httptest.NewRequest("GET", "/", nil)
u := r.URL
rq := u.RawQuery
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, route := range routes {
r.Method = route.method
r.RequestURI = route.path
u.Path = route.path
u.RawQuery = rq
router.ServeHTTP(w, r)
}
}
}
func benchRouteParallel(b *testing.B, router http.Handler, rte route) {
w := new(mockResponseWriter)
r, _ := http.NewRequest(rte.method, rte.path, nil)
b.ReportAllocs()
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
router.ServeHTTP(w, r)
}
})
}
func BenchmarkStaticAll(b *testing.B) {
r := New()
for _, route := range staticRoutes {
require.NoError(b, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
benchRoutes(b, r, staticRoutes)
}
func BenchmarkGithubParamsAll(b *testing.B) {
r := New()
for _, route := range githubAPI {
require.NoError(b, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
req := httptest.NewRequest(http.MethodGet, "/repos/sylvain/fox/hooks/1500", nil)
w := new(mockResponseWriter)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
r.ServeHTTP(w, req)
}
}
func BenchmarkLongParam(b *testing.B) {
r := New()
r.MustHandle(http.MethodGet, "/foo/{very_very_very_very_very_long_param}", emptyHandler)
req := httptest.NewRequest(http.MethodGet, "/foo/bar", nil)
w := new(mockResponseWriter)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
r.ServeHTTP(w, req)
}
}
func BenchmarkOverlappingRoute(b *testing.B) {
r := New()
for _, route := range overlappingRoutes {
require.NoError(b, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
req := httptest.NewRequest(http.MethodGet, "/foo/abc/id:123/xy", nil)
w := new(mockResponseWriter)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
r.ServeHTTP(w, req)
}
}
func BenchmarkWithIgnoreTrailingSlash(b *testing.B) {
f := New(WithIgnoreTrailingSlash(true))
f.MustHandle(http.MethodGet, "/{a}/{b}/e", emptyHandler)
f.MustHandle(http.MethodGet, "/{a}/{b}/d", emptyHandler)
f.MustHandle(http.MethodGet, "/foo/{b}", emptyHandler)
f.MustHandle(http.MethodGet, "/foo/{b}/x/", emptyHandler)
f.MustHandle(http.MethodGet, "/foo/{b}/y/", emptyHandler)
req := httptest.NewRequest(http.MethodGet, "/foo/bar/", nil)
w := new(mockResponseWriter)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
f.ServeHTTP(w, req)
}
}
func BenchmarkStaticParallel(b *testing.B) {
r := New()
for _, route := range staticRoutes {
require.NoError(b, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
benchRouteParallel(b, r, route{http.MethodGet, "/progs/image_package4.out"})
}
func BenchmarkCatchAll(b *testing.B) {
r := New()
require.NoError(b, onlyError(r.Tree().Handle(http.MethodGet, "/something/*{args}", emptyHandler)))
w := new(mockResponseWriter)
req := httptest.NewRequest(http.MethodGet, "/something/awesome", nil)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
r.ServeHTTP(w, req)
}
}
func BenchmarkCatchAllParallel(b *testing.B) {
r := New()
require.NoError(b, onlyError(r.Tree().Handle(http.MethodGet, "/something/*{args}", emptyHandler)))
w := new(mockResponseWriter)
req := httptest.NewRequest("GET", "/something/awesome", nil)
b.ReportAllocs()
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
r.ServeHTTP(w, req)
}
})
}
func BenchmarkCloneWith(b *testing.B) {
f := New()
f.MustHandle(http.MethodGet, "/hello/{name}", func(c Context) {
cp := c.CloneWith(c.Writer(), c.Request())
cp.Close()
})
w := new(mockResponseWriter)
r := httptest.NewRequest("GET", "/hello/fox", nil)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
f.ServeHTTP(w, r)
}
}
func TestStaticRoute(t *testing.T) {
r := New()
for _, route := range staticRoutes {
require.NoError(t, onlyError(r.Tree().Handle(route.method, route.path, pathHandler)))
}
for _, route := range staticRoutes {
req := httptest.NewRequest(route.method, route.path, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
require.Equal(t, http.StatusOK, w.Code)
assert.Equal(t, route.path, w.Body.String())
}
}
func TestStaticRouteMalloc(t *testing.T) {
r := New()
for _, route := range staticRoutes {
require.NoError(t, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
for _, route := range staticRoutes {
req := httptest.NewRequest(route.method, route.path, nil)
w := httptest.NewRecorder()
allocs := testing.AllocsPerRun(100, func() { r.ServeHTTP(w, req) })
assert.Equal(t, float64(0), allocs)
}
}
func TestParamsRoute(t *testing.T) {
rx := regexp.MustCompile("({|\\*{)[A-z]+[}]")
r := New()
h := func(c Context) {
matches := rx.FindAllString(c.Request().URL.Path, -1)
for _, match := range matches {
var key string
if strings.HasPrefix(match, "*") {
key = match[2 : len(match)-1]
} else {
key = match[1 : len(match)-1]
}
value := match
assert.Equal(t, value, c.Param(key))
}
assert.Equal(t, c.Request().URL.Path, c.Path())
_ = c.String(200, c.Request().URL.Path)
}
for _, route := range githubAPI {
require.NoError(t, onlyError(r.Tree().Handle(route.method, route.path, h)))
}
for _, route := range githubAPI {
req := httptest.NewRequest(route.method, route.path, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
assert.Equal(t, http.StatusOK, w.Code)
assert.Equal(t, route.path, w.Body.String())
}
}
func TestParamsRouteMalloc(t *testing.T) {
r := New()
for _, route := range githubAPI {
require.NoError(t, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
for _, route := range githubAPI {
req := httptest.NewRequest(route.method, route.path, nil)
w := httptest.NewRecorder()
allocs := testing.AllocsPerRun(100, func() { r.ServeHTTP(w, req) })
assert.Equal(t, float64(0), allocs)
}
}
func TestOverlappingRouteMalloc(t *testing.T) {
r := New()
for _, route := range overlappingRoutes {
require.NoError(t, onlyError(r.Tree().Handle(route.method, route.path, emptyHandler)))
}
for _, route := range overlappingRoutes {
req := httptest.NewRequest(route.method, route.path, nil)
w := httptest.NewRecorder()
allocs := testing.AllocsPerRun(100, func() { r.ServeHTTP(w, req) })
assert.Equal(t, float64(0), allocs)
}
}
func TestRouterWildcard(t *testing.T) {
r := New()
routes := []struct {
path string
key string
}{
{"/github.com/etf1/*{repo}", "/github.com/etf1/mux"},
{"/github.com/johndoe/*{repo}", "/github.com/johndoe/buzz"},
{"/foo/bar/*{args}", "/foo/bar/"},
{"/filepath/path=*{path}", "/filepath/path=/file.txt"},
}
for _, route := range routes {
require.NoError(t, onlyError(r.Tree().Handle(http.MethodGet, route.path, pathHandler)))
}
for _, route := range routes {
req := httptest.NewRequest(http.MethodGet, route.key, nil)
w := httptest.NewRecorder()
r.ServeHTTP(w, req)
require.Equalf(t, http.StatusOK, w.Code, "route: key: %s, path: %s", route.path)
assert.Equal(t, route.key, w.Body.String())
}
}
func TestRouteWithParams(t *testing.T) {
tree := New().Tree()
routes := [...]string{
"/",
"/cmd/{tool}/{sub}",
"/cmd/{tool}/",
"/src/*{filepath}",
"/search/",
"/search/{query}",
"/user_{name}",
"/user_{name}/about",
"/files/{dir}/*{filepath}",
"/doc/",
"/doc/go_faq.html",
"/doc/go1.html",
"/info/{user}/public",
"/info/{user}/project/{project}",
}
for _, rte := range routes {
require.NoError(t, onlyError(tree.Handle(http.MethodGet, rte, emptyHandler)))
}
nds := *tree.nodes.Load()
for _, rte := range routes {
c := newTestContextTree(tree)
n, tsr := tree.lookup(nds[0], rte, c, false)
require.NotNil(t, n)
require.NotNil(t, n.route)
assert.False(t, tsr)
assert.Equal(t, rte, n.route.path)
}
}
func TestRouteParamEmptySegment(t *testing.T) {
tree := New().Tree()
cases := []struct {
name string
route string
path string
}{
{
name: "empty segment",
route: "/cmd/{tool}/{sub}",
path: "/cmd//sub",
},
{
name: "empty inflight end of route",
route: "/command/exec:{tool}",
path: "/command/exec:",
},
{
name: "empty inflight segment",
route: "/command/exec:{tool}/id",
path: "/command/exec:/id",
},
}
for _, tc := range cases {
require.NoError(t, onlyError(tree.Handle(http.MethodGet, tc.route, emptyHandler)))
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
nds := *tree.nodes.Load()
c := newTestContextTree(tree)
n, tsr := tree.lookup(nds[0], tc.path, c, false)
assert.Nil(t, n)
assert.Empty(t, slices.Collect(c.Params()))
assert.False(t, tsr)
})
}
}
func TestOverlappingRoute(t *testing.T) {
r := New()
cases := []struct {
name string
path string
routes []string
wantMatch string
wantParams Params
}{
{
name: "basic test most specific",
path: "/products/new",
routes: []string{
"/products/{id}",
"/products/new",
},
wantMatch: "/products/new",
},
{
name: "basic test less specific",
path: "/products/123",
routes: []string{
"/products/{id}",
"/products/new",
},
wantMatch: "/products/{id}",
wantParams: Params{{Key: "id", Value: "123"}},
},
{
name: "ieof+backtrack to {id} wildcard while deleting {a}",
path: "/base/val1/123/new/barr",
routes: []string{
"/{base}/val1/{id}",
"/{base}/val1/123/{a}/bar",
"/{base}/val1/{id}/new/{name}",
"/{base}/val2",
},
wantMatch: "/{base}/val1/{id}/new/{name}",
wantParams: Params{
{
Key: "base",
Value: "base",
},
{
Key: "id",
Value: "123",
},
{
Key: "name",
Value: "barr",
},
},
},
{
name: "kme+backtrack to {id} wildcard while deleting {a}",
path: "/base/val1/123/new/ba",
routes: []string{
"/{base}/val1/{id}",
"/{base}/val1/123/{a}/bar",
"/{base}/val1/{id}/new/{name}",
"/{base}/val2",
},
wantMatch: "/{base}/val1/{id}/new/{name}",
wantParams: Params{
{
Key: "base",
Value: "base",
},
{
Key: "id",
Value: "123",
},
{
Key: "name",
Value: "ba",
},
},
},
{
name: "ime+backtrack to {id} wildcard while deleting {a}",
path: "/base/val1/123/new/bx",
routes: []string{
"/{base}/val1/{id}",
"/{base}/val1/123/{a}/bar",
"/{base}/val1/{id}/new/{name}",
"/{base}/val2",
},
wantMatch: "/{base}/val1/{id}/new/{name}",
wantParams: Params{
{
Key: "base",
Value: "base",
},
{
Key: "id",
Value: "123",
},
{
Key: "name",
Value: "bx",
},
},
},
{
name: "backtrack to catch while deleting {a}, {id} and {name}",
path: "/base/val1/123/new/bar/",
routes: []string{
"/{base}/val1/{id}",
"/{base}/val1/123/{a}/bar",
"/{base}/val1/{id}/new/{name}",
"/{base}/val*{all}",
},
wantMatch: "/{base}/val*{all}",
wantParams: Params{
{
Key: "base",
Value: "base",
},
{
Key: "all",
Value: "1/123/new/bar/",
},
},
},
{
name: "notleaf+backtrack to catch while deleting {a}, {id}",
path: "/base/val1/123/new",
routes: []string{
"/{base}/val1/123/{a}/baz",
"/{base}/val1/123/{a}/bar",
"/{base}/val1/{id}/new/{name}",
"/{base}/val*{all}",
},
wantMatch: "/{base}/val*{all}",
wantParams: Params{
{
Key: "base",
Value: "base",
},
{
Key: "all",
Value: "1/123/new",
},
},
},
{
name: "multi node most specific",
path: "/foo/1/2/3/bar",
routes: []string{
"/foo/{ab}",
"/foo/{ab}/{bc}",
"/foo/{ab}/{bc}/{de}",
"/foo/{ab}/{bc}/{de}/bar",
"/foo/{ab}/{bc}/{de}/{fg}",
},
wantMatch: "/foo/{ab}/{bc}/{de}/bar",
wantParams: Params{
{
Key: "ab",
Value: "1",
},
{
Key: "bc",
Value: "2",
},
{
Key: "de",
Value: "3",
},
},
},
{
name: "multi node less specific",
path: "/foo/1/2/3/john",
routes: []string{
"/foo/{ab}",
"/foo/{ab}/{bc}",
"/foo/{ab}/{bc}/{de}",
"/foo/{ab}/{bc}/{de}/bar",
"/foo/{ab}/{bc}/{de}/{fg}",
},
wantMatch: "/foo/{ab}/{bc}/{de}/{fg}",
wantParams: Params{
{
Key: "ab",
Value: "1",
},
{
Key: "bc",
Value: "2",
},
{
Key: "de",
Value: "3",
},
{
Key: "fg",
Value: "john",
},
},