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