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echo/middleware/logger_test.go

317 lines
9.5 KiB
Go

package middleware
import (
"bytes"
"encoding/json"
"errors"
"net/http"
"net/http/httptest"
"net/url"
"strconv"
"strings"
"testing"
"time"
"unsafe"
"github.com/labstack/echo/v4"
"github.com/stretchr/testify/assert"
)
func TestLogger(t *testing.T) {
// Note: Just for the test coverage, not a real test.
e := echo.New()
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
h := Logger()(func(c echo.Context) error {
return c.String(http.StatusOK, "test")
})
// Status 2xx
h(c)
// Status 3xx
rec = httptest.NewRecorder()
c = e.NewContext(req, rec)
h = Logger()(func(c echo.Context) error {
return c.String(http.StatusTemporaryRedirect, "test")
})
h(c)
// Status 4xx
rec = httptest.NewRecorder()
c = e.NewContext(req, rec)
h = Logger()(func(c echo.Context) error {
return c.String(http.StatusNotFound, "test")
})
h(c)
// Status 5xx with empty path
req = httptest.NewRequest(http.MethodGet, "/", nil)
rec = httptest.NewRecorder()
c = e.NewContext(req, rec)
h = Logger()(func(c echo.Context) error {
return errors.New("error")
})
h(c)
}
func TestLoggerIPAddress(t *testing.T) {
e := echo.New()
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
buf := new(bytes.Buffer)
e.Logger.SetOutput(buf)
ip := "127.0.0.1"
h := Logger()(func(c echo.Context) error {
return c.String(http.StatusOK, "test")
})
// With X-Real-IP
req.Header.Add(echo.HeaderXRealIP, ip)
h(c)
assert.Contains(t, buf.String(), ip)
// With X-Forwarded-For
buf.Reset()
req.Header.Del(echo.HeaderXRealIP)
req.Header.Add(echo.HeaderXForwardedFor, ip)
h(c)
assert.Contains(t, buf.String(), ip)
buf.Reset()
h(c)
assert.Contains(t, buf.String(), ip)
}
func TestLoggerTemplate(t *testing.T) {
buf := new(bytes.Buffer)
e := echo.New()
e.Use(LoggerWithConfig(LoggerConfig{
Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}","user_agent":"${user_agent}",` +
`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "route":"${route}", "referer":"${referer}",` +
`"bytes_out":${bytes_out},"ch":"${header:X-Custom-Header}", "protocol":"${protocol}"` +
`"us":"${query:username}", "cf":"${form:username}", "session":"${cookie:session}"}` + "\n",
Output: buf,
}))
e.GET("/users/:id", func(c echo.Context) error {
return c.String(http.StatusOK, "Header Logged")
})
req := httptest.NewRequest(http.MethodGet, "/users/1?username=apagano-param&password=secret", nil)
req.RequestURI = "/"
req.Header.Add(echo.HeaderXRealIP, "127.0.0.1")
req.Header.Add("Referer", "google.com")
req.Header.Add("User-Agent", "echo-tests-agent")
req.Header.Add("X-Custom-Header", "AAA-CUSTOM-VALUE")
req.Header.Add("X-Request-ID", "6ba7b810-9dad-11d1-80b4-00c04fd430c8")
req.Header.Add("Cookie", "_ga=GA1.2.000000000.0000000000; session=ac08034cd216a647fc2eb62f2bcf7b810")
req.Form = url.Values{
"username": []string{"apagano-form"},
"password": []string{"secret-form"},
}
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
cases := map[string]bool{
"apagano-param": true,
"apagano-form": true,
"AAA-CUSTOM-VALUE": true,
"BBB-CUSTOM-VALUE": false,
"secret-form": false,
"hexvalue": false,
"GET": true,
"127.0.0.1": true,
"\"path\":\"/users/1\"": true,
"\"route\":\"/users/:id\"": true,
"\"uri\":\"/\"": true,
"\"status\":200": true,
"\"bytes_in\":0": true,
"google.com": true,
"echo-tests-agent": true,
"6ba7b810-9dad-11d1-80b4-00c04fd430c8": true,
"ac08034cd216a647fc2eb62f2bcf7b810": true,
}
for token, present := range cases {
assert.True(t, strings.Contains(buf.String(), token) == present, "Case: "+token)
}
}
func TestLoggerCustomTimestamp(t *testing.T) {
buf := new(bytes.Buffer)
customTimeFormat := "2006-01-02 15:04:05.00000"
e := echo.New()
e.Use(LoggerWithConfig(LoggerConfig{
Format: `{"time":"${time_custom}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}","user_agent":"${user_agent}",` +
`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "referer":"${referer}",` +
`"bytes_out":${bytes_out},"ch":"${header:X-Custom-Header}",` +
`"us":"${query:username}", "cf":"${form:username}", "session":"${cookie:session}"}` + "\n",
CustomTimeFormat: customTimeFormat,
Output: buf,
}))
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "custom time stamp test")
})
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
var objs map[string]*json.RawMessage
if err := json.Unmarshal(buf.Bytes(), &objs); err != nil {
panic(err)
}
loggedTime := *(*string)(unsafe.Pointer(objs["time"]))
_, err := time.Parse(customTimeFormat, loggedTime)
assert.Error(t, err)
}
func TestLoggerCustomTagFunc(t *testing.T) {
e := echo.New()
buf := new(bytes.Buffer)
e.Use(LoggerWithConfig(LoggerConfig{
Format: `{"method":"${method}",${custom}}` + "\n",
CustomTagFunc: func(c echo.Context, buf *bytes.Buffer) (int, error) {
return buf.WriteString(`"tag":"my-value"`)
},
Output: buf,
}))
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "custom time stamp test")
})
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
assert.Equal(t, `{"method":"GET","tag":"my-value"}`+"\n", buf.String())
}
func BenchmarkLoggerWithConfig_withoutMapFields(b *testing.B) {
e := echo.New()
buf := new(bytes.Buffer)
mw := LoggerWithConfig(LoggerConfig{
Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}","user_agent":"${user_agent}",` +
`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "referer":"${referer}",` +
`"bytes_out":${bytes_out}, "protocol":"${protocol}"}` + "\n",
Output: buf,
})(func(c echo.Context) error {
c.Request().Header.Set(echo.HeaderXRequestID, "123")
c.FormValue("to force parse form")
return c.String(http.StatusTeapot, "OK")
})
f := make(url.Values)
f.Set("csrf", "token")
f.Add("multiple", "1")
f.Add("multiple", "2")
req := httptest.NewRequest(http.MethodPost, "/test?lang=en&checked=1&checked=2", strings.NewReader(f.Encode()))
req.Header.Set("Referer", "https://echo.labstack.com/")
req.Header.Set("User-Agent", "curl/7.68.0")
req.Header.Add(echo.HeaderContentType, echo.MIMEApplicationForm)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
mw(c)
buf.Reset()
}
}
func BenchmarkLoggerWithConfig_withMapFields(b *testing.B) {
e := echo.New()
buf := new(bytes.Buffer)
mw := LoggerWithConfig(LoggerConfig{
Format: `{"time":"${time_rfc3339_nano}","id":"${id}","remote_ip":"${remote_ip}","host":"${host}","user_agent":"${user_agent}",` +
`"method":"${method}","uri":"${uri}","status":${status}, "latency":${latency},` +
`"latency_human":"${latency_human}","bytes_in":${bytes_in}, "path":"${path}", "referer":"${referer}",` +
`"bytes_out":${bytes_out},"ch":"${header:X-Custom-Header}", "protocol":"${protocol}"` +
`"us":"${query:username}", "cf":"${form:csrf}", "Referer2":"${header:Referer}"}` + "\n",
Output: buf,
})(func(c echo.Context) error {
c.Request().Header.Set(echo.HeaderXRequestID, "123")
c.FormValue("to force parse form")
return c.String(http.StatusTeapot, "OK")
})
f := make(url.Values)
f.Set("csrf", "token")
f.Add("multiple", "1")
f.Add("multiple", "2")
req := httptest.NewRequest(http.MethodPost, "/test?lang=en&checked=1&checked=2", strings.NewReader(f.Encode()))
req.Header.Set("Referer", "https://echo.labstack.com/")
req.Header.Set("User-Agent", "curl/7.68.0")
req.Header.Add(echo.HeaderContentType, echo.MIMEApplicationForm)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
rec := httptest.NewRecorder()
c := e.NewContext(req, rec)
mw(c)
buf.Reset()
}
}
func TestLoggerTemplateWithTimeUnixMilli(t *testing.T) {
buf := new(bytes.Buffer)
e := echo.New()
e.Use(LoggerWithConfig(LoggerConfig{
Format: `${time_unix_milli}`,
Output: buf,
}))
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "OK")
})
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
unixMillis, err := strconv.ParseInt(buf.String(), 10, 64)
assert.NoError(t, err)
assert.WithinDuration(t, time.Unix(unixMillis/1000, 0), time.Now(), 3*time.Second)
}
func TestLoggerTemplateWithTimeUnixMicro(t *testing.T) {
buf := new(bytes.Buffer)
e := echo.New()
e.Use(LoggerWithConfig(LoggerConfig{
Format: `${time_unix_micro}`,
Output: buf,
}))
e.GET("/", func(c echo.Context) error {
return c.String(http.StatusOK, "OK")
})
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
e.ServeHTTP(rec, req)
unixMicros, err := strconv.ParseInt(buf.String(), 10, 64)
assert.NoError(t, err)
assert.WithinDuration(t, time.Unix(unixMicros/1000000, 0), time.Now(), 3*time.Second)
}