File size: 3,223 Bytes
8059bf0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | package httpclient
import (
"errors"
"io"
"net/http"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/require"
)
type roundTripFunc func(*http.Request) (*http.Response, error)
func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
return f(req)
}
func TestValidatedTransport_CacheHostValidation(t *testing.T) {
originalValidate := validateResolvedIP
defer func() { validateResolvedIP = originalValidate }()
var validateCalls int32
validateResolvedIP = func(host string) error {
atomic.AddInt32(&validateCalls, 1)
require.Equal(t, "api.openai.com", host)
return nil
}
var baseCalls int32
base := roundTripFunc(func(_ *http.Request) (*http.Response, error) {
atomic.AddInt32(&baseCalls, 1)
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{}`)),
Header: make(http.Header),
}, nil
})
now := time.Unix(1730000000, 0)
transport := newValidatedTransport(base)
transport.now = func() time.Time { return now }
req, err := http.NewRequest(http.MethodGet, "https://api.openai.com/v1/responses", nil)
require.NoError(t, err)
_, err = transport.RoundTrip(req)
require.NoError(t, err)
_, err = transport.RoundTrip(req)
require.NoError(t, err)
require.Equal(t, int32(1), atomic.LoadInt32(&validateCalls))
require.Equal(t, int32(2), atomic.LoadInt32(&baseCalls))
}
func TestValidatedTransport_ExpiredCacheTriggersRevalidation(t *testing.T) {
originalValidate := validateResolvedIP
defer func() { validateResolvedIP = originalValidate }()
var validateCalls int32
validateResolvedIP = func(_ string) error {
atomic.AddInt32(&validateCalls, 1)
return nil
}
base := roundTripFunc(func(_ *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(strings.NewReader(`{}`)),
Header: make(http.Header),
}, nil
})
now := time.Unix(1730001000, 0)
transport := newValidatedTransport(base)
transport.now = func() time.Time { return now }
req, err := http.NewRequest(http.MethodGet, "https://api.openai.com/v1/responses", nil)
require.NoError(t, err)
_, err = transport.RoundTrip(req)
require.NoError(t, err)
now = now.Add(validatedHostTTL + time.Second)
_, err = transport.RoundTrip(req)
require.NoError(t, err)
require.Equal(t, int32(2), atomic.LoadInt32(&validateCalls))
}
func TestValidatedTransport_ValidationErrorStopsRoundTrip(t *testing.T) {
originalValidate := validateResolvedIP
defer func() { validateResolvedIP = originalValidate }()
expectedErr := errors.New("dns rebinding rejected")
validateResolvedIP = func(_ string) error {
return expectedErr
}
var baseCalls int32
base := roundTripFunc(func(_ *http.Request) (*http.Response, error) {
atomic.AddInt32(&baseCalls, 1)
return &http.Response{StatusCode: http.StatusOK, Body: io.NopCloser(strings.NewReader(`{}`))}, nil
})
transport := newValidatedTransport(base)
req, err := http.NewRequest(http.MethodGet, "https://api.openai.com/v1/responses", nil)
require.NoError(t, err)
_, err = transport.RoundTrip(req)
require.ErrorIs(t, err, expectedErr)
require.Equal(t, int32(0), atomic.LoadInt32(&baseCalls))
}
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