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matcher_test.go
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matcher_test.go
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package mux
import (
"fmt"
"net/http"
"net/url"
"testing"
)
func TestMatcherFunc(t *testing.T) {
matcherFunc := func(*http.Request) bool {
return true
}
matcher := MatcherFunc(matcherFunc)
if !matcher.Match(new(http.Request)) {
t.Errorf("Unexpected not matched")
}
}
func TestMatcherFuncFail(t *testing.T) {
matcherFunc := func(*http.Request) bool {
return false
}
matcher := MatcherFunc(matcherFunc)
if matcher.Match(new(http.Request)) {
t.Errorf("Unexpected matched")
}
}
func TestSchemeMatcher(t *testing.T) {
schemes := []string{"http", "https"}
matcher := newSchemeMatcher("https", "HTTP")
request := &http.Request{
URL: new(url.URL),
}
for _, v := range schemes {
request.URL.Scheme = v
if !matcher.Match(request) {
t.Errorf("Scheme not matched (%v)", v)
}
}
}
func BenchmarkSchemeMatcher(b *testing.B) {
matcher := newSchemeMatcher("https", "http", "HTTP", "HTTPS")
request := &http.Request{
URL: &url.URL{
Scheme: "HTTPS",
},
}
for n := 0; n < b.N; n++ {
matcher.Match(request)
}
}
func TestSchemeMatcherFail(t *testing.T) {
schemes := []string{"http", "https"}
matcher := newSchemeMatcher("httpss")
request := &http.Request{
URL: new(url.URL),
}
for _, v := range schemes {
request.URL.Scheme = v
if matcher.Match(request) {
t.Errorf("Scheme matched (%v)", v)
}
}
}
func TestPathMatchers(t *testing.T) {
tests := []struct {
title string
pathRaw string
pathToMatch string
buildMatcher func(string) Matcher
}{
{
title: "Path noraml matcher ",
pathToMatch: "/api/echo",
pathRaw: "/api/echo",
buildMatcher: func(path string) Matcher {
return pathMatcher(path)
},
},
{
title: "Path vars matcher (one number var segment)",
pathToMatch: "/user/:number",
pathRaw: "/user/1",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path vars matcher (two number var segments)",
pathToMatch: "/user/:number/comment/:number",
pathRaw: "/user/1/comment/99",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path vars matcher (two string var segments)",
pathToMatch: "/article/:string",
pathRaw: "/article/golang",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path vars matcher (one number and one string var segment)",
pathToMatch: "/article/:string/comment/:number/subcomment/:number",
pathRaw: "/article/golang/comment/4/subcomment/5",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path vars matcher (many number var segments)",
pathToMatch: "/:number/:number/:number/:number/:number/:number/:number/:number/:number/:number",
pathRaw: "/1/1/1/1/1/1/1/1/1/1",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path vars matcher (many number and string var segments)",
pathToMatch: "/:string/:number/:string/:number/:string/:number/:string/:number/:string/:number",
pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path regex matcher (many regex segments)",
pathToMatch: "/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}",
pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",
buildMatcher: func(path string) Matcher {
return newPathRegexMatcher(path)
},
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Path raw: %s, Path to match %s "+test.title, test.pathRaw, test.pathToMatch), func(t *testing.T) {
matcher := test.buildMatcher(test.pathToMatch)
request := &http.Request{
URL: &url.URL{
Path: test.pathRaw,
},
}
if !matcher.Match(request) {
t.Errorf("Unexpected not matched path ")
}
})
}
}
func BenchmarkPathMatchers(b *testing.B) {
benchmarks := []struct {
title string
pathRaw string
pathToMatch string
buildMatcher func(string) Matcher
}{
{
title: "Path noraml matcher (2 URL segments)",
pathToMatch: "/api/echo",
pathRaw: "/api/echo",
buildMatcher: func(path string) Matcher {
return pathMatcher(path)
},
},
{
title: "Path noraml matcher (7 URL segments)",
pathToMatch: "/api/user/2/article/4/comment/8",
pathRaw: "/api/user/2/article/4/comment/8",
buildMatcher: func(path string) Matcher {
return pathMatcher(path)
},
},
{
title: "Path vars matcher (many vars segments)",
pathToMatch: "/:string/:number/:string/:number/:string/:number/:string/:number/:string/:number",
pathRaw: "/user/1",
buildMatcher: func(path string) Matcher {
return newPathWithVarsMatcher(path)
},
},
{
title: "Path regex matcher (many regex segments)",
pathToMatch: "/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}/#([a-z]){1,}/#([0-9]){1,}",
pathRaw: "/dummy/1/dummy/1/dummy/1/dummy/1/dummy/1",
buildMatcher: func(path string) Matcher {
return newPathRegexMatcher(path)
},
},
}
for _, benchmark := range benchmarks {
matcher := benchmark.buildMatcher(benchmark.pathToMatch)
request := &http.Request{
URL: &url.URL{
Path: benchmark.pathRaw,
},
}
b.Run(benchmark.title, func(b *testing.B) {
for n := 0; n < b.N; n++ {
matcher.Match(request)
}
})
}
}
func TestPathMatcherFail(t *testing.T) {
matcher := pathMatcher("/api/v2")
request := &http.Request{
URL: &url.URL{
Path: "/api/v1",
},
}
if matcher.Match(request) {
t.Errorf("Unexpected matched path")
}
}
func TestPathVarsMatcherFail(t *testing.T) {
matcher := pathMatcher("/api/:number")
request := &http.Request{
URL: &url.URL{
Path: "/api/echo",
},
}
if matcher.Match(request) {
t.Errorf("Unexpected matched path")
}
}
func TestHeaderMatcher(t *testing.T) {
tests := []struct {
title string
buildMatcher func(pairs ...string) (Matcher, error)
buildRequest func() *http.Request
pairs []string
}{
{
title: "Test header match",
buildMatcher: func(pairs ...string) (Matcher, error) {
return newHeaderMatcher(pairs...)
},
buildRequest: func() *http.Request {
request := &http.Request{
Header: http.Header{},
}
request.Header.Add("content-type", "applcation/json")
return request
},
pairs: []string{"content-type", "applcation/json"},
},
{
title: "Test regex header match",
buildMatcher: func(pairs ...string) (Matcher, error) {
return newHeaderRegexMatcher(pairs...)
},
buildRequest: func() *http.Request {
request := &http.Request{
Header: http.Header{},
}
request.Header.Add("content-type", "applcation/json")
return request
},
pairs: []string{"content-type", "applcation/(json|html)"},
},
}
for _, test := range tests {
t.Run(fmt.Sprintf("Test kind: %s", test.title), func(t *testing.T) {
matcher, err := test.buildMatcher()
if err != nil {
t.Errorf("Unexpected error (%s)", err.Error())
}
request := test.buildRequest()
if !matcher.Match(request) {
t.Errorf("Unexpected not matched (%v)", request.Header)
}
})
}
}
func BenchmarkHeaderMatchers(b *testing.B) {
buildRequest := func() *http.Request {
return &http.Request{
Header: http.Header{},
}
}
tests := []struct {
title string
buildMatcher func() Matcher
}{
{
title: "Benchmark: Header matcher (single value)",
buildMatcher: func() Matcher {
matcher, _ := newHeaderMatcher("content-type", "applcation/json")
return matcher
},
},
{
title: "Benchmark: Header matcher (double value)",
buildMatcher: func() Matcher {
matcher, _ := newHeaderMatcher("content-type", "applcation/json")
return matcher
},
},
{
title: "Benchmark: Header regex matcher (single value)",
buildMatcher: func() Matcher {
matcher, _ := newHeaderRegexMatcher("content-type", "applcation/(json|html)", "accept", "text/(plain|html)")
return matcher
},
},
{
title: "Benchmark: Header regex matcher (double value)",
buildMatcher: func() Matcher {
matcher, _ := newHeaderRegexMatcher("content-type", "applcation/(json|html)", "accept", "text/(plain|html)")
return matcher
},
},
}
for _, test := range tests {
request := buildRequest()
populateHeaderWithTestData(request)
matcher := test.buildMatcher()
b.Run(test.title, func(b *testing.B) {
for n := 0; n < b.N; n++ {
matcher.Match(request)
}
})
}
}
func populateHeaderWithTestData(request *http.Request) {
headers := map[string][]string{
"content-type": {
"applcation/json",
},
"accept-charset": {
"utf-8",
},
"accept-encoding": {
"gzip",
"deflate",
},
"accept-language": {
"en-US",
},
"cache-control": {
"no-cache",
},
"date": {
"Date: Tue, 15 Nov 1994 08:12:31 GMT",
},
"max-Forwards": {
"10",
},
"accept": {
"text/plain",
"text/html",
},
}
for k, v := range headers {
for _, vv := range v {
request.Header.Add(k, vv)
}
}
}
func BenchmarkNewPathWithVarsMatcher(b *testing.B) {
tests := []struct {
title string
path string
}{
{
title: "Benchmark: constructor of pathWithVarsMatcher (one var number value)",
path: "/:number",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (two var number value)",
path: "/:number/:numnber",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (three var number value)",
path: "/:number/:number/:number",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (four var number value)",
path: "/:number/:number/:number/:number",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (five var number value)",
path: "/:number/:number/:number/:number/:number",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (one var string value)",
path: "/:string",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (two var string value)",
path: "/:string/:string",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (three var string value)",
path: "/:string/:string/:string",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (four var string value)",
path: "/:string/:string/:string/:string",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (five var string value)",
path: "/:string/:string/:string/:string/:string",
},
{
title: "Benchmark: constructor of pathWithVarsMatcher (mixed var value)",
path: "/:number/:string/:number/:string/:number/:number/:string/:number/:string/:number",
},
}
for _, test := range tests {
b.Run(test.title, func(b *testing.B) {
for n := 0; n < b.N; n++ {
newPathWithVarsMatcher(test.path)
}
})
}
}