72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package buffering
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import (
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"bytes"
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"context"
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"crypto/rand"
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"math"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/traefik/traefik/v3/pkg/config/dynamic"
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)
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func TestBuffering(t *testing.T) {
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payload := make([]byte, math.MaxInt8)
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_, _ = rand.Read(payload)
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testCases := []struct {
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desc string
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config dynamic.Buffering
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body []byte
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expectedCode int
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}{
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{
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desc: "Unlimited response and request body size",
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body: payload,
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expectedCode: http.StatusOK,
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},
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{
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desc: "Limited request body size",
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config: dynamic.Buffering{
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MaxRequestBodyBytes: 1,
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},
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body: payload,
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expectedCode: http.StatusRequestEntityTooLarge,
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},
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{
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desc: "Limited response body size",
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config: dynamic.Buffering{
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MaxResponseBodyBytes: 1,
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},
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body: payload,
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expectedCode: http.StatusInternalServerError,
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},
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}
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for _, test := range testCases {
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t.Run(test.desc, func(t *testing.T) {
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t.Parallel()
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next := http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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rw.WriteHeader(http.StatusOK)
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_, err := rw.Write(test.body)
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require.NoError(t, err)
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})
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buffMiddleware, err := New(context.Background(), next, test.config, "foo")
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require.NoError(t, err)
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req := httptest.NewRequest(http.MethodPost, "http://localhost", bytes.NewBuffer(test.body))
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recorder := httptest.NewRecorder()
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buffMiddleware.ServeHTTP(recorder, req)
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assert.Equal(t, test.expectedCode, recorder.Code)
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})
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}
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}
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