badguardhome/internal/home/middlewares_test.go
Ainar Garipov 7d1ca48ae4 Pull request #1005: home: imp large req handling
Merge in DNS/adguard-home from 2675-larger-requests to master

Updates #2675.

Squashed commit of the following:

commit 2b45c9bfdc817980204b11de768b425fb72a6488
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Feb 15 13:38:44 2021 +0300

    home: imp names

commit dad39ae7ee35346ea91f15665acc93ba0b5653df
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Feb 15 13:31:53 2021 +0300

    home: imp large req handling
2021-02-15 13:56:41 +03:00

69 lines
1.4 KiB
Go

package home
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/AdguardTeam/AdGuardHome/internal/aghio"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestLimitRequestBody(t *testing.T) {
errReqLimitReached := &aghio.LimitReachedError{
Limit: defaultReqBodySzLim,
}
testCases := []struct {
name string
body string
want []byte
wantErr error
}{{
name: "not_so_big",
body: "somestr",
want: []byte("somestr"),
wantErr: nil,
}, {
name: "so_big",
body: string(make([]byte, defaultReqBodySzLim+1)),
want: make([]byte, defaultReqBodySzLim),
wantErr: errReqLimitReached,
}, {
name: "empty",
body: "",
want: []byte(nil),
wantErr: nil,
}}
makeHandler := func(err *error) http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var b []byte
b, *err = ioutil.ReadAll(r.Body)
_, werr := w.Write(b)
if werr != nil {
panic(werr)
}
})
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
var err error
handler := makeHandler(&err)
lim := limitRequestBody(handler)
req := httptest.NewRequest(http.MethodPost, "https://www.example.com", strings.NewReader(tc.body))
res := httptest.NewRecorder()
lim.ServeHTTP(res, req)
require.Equal(t, tc.wantErr, err)
assert.Equal(t, tc.want, res.Body.Bytes())
})
}
}