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package throttled_test
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/throttled/throttled"
"github.com/throttled/throttled/store"
)
// Ensure that the current implementation remains compatible with the
// supported but deprecated usage until the next major version.
func TestDeprecatedUsage(t *testing.T) {
// Declare interfaces to statically check that names haven't changed
var st throttled.Store
var thr *throttled.Throttler
var q throttled.Quota
st = store.NewMemStore(100)
vary := &throttled.VaryBy{Path: true}
q = throttled.PerMin(2)
thr = throttled.RateLimit(q, vary, st)
handler := thr.Throttle(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
}))
cases := []struct {
path string
code int
headers map[string]string
}{
{"/foo", 200, map[string]string{"X-Ratelimit-Limit": "2", "X-Ratelimit-Remaining": "1", "X-Ratelimit-Reset": "30"}},
{"/foo", 200, map[string]string{"X-Ratelimit-Limit": "2", "X-Ratelimit-Remaining": "0", "X-Ratelimit-Reset": "60"}},
{"/foo", 429, map[string]string{"X-Ratelimit-Limit": "2", "X-Ratelimit-Remaining": "0", "X-Ratelimit-Reset": "60", "Retry-After": "30"}},
{"/bar", 200, map[string]string{"X-Ratelimit-Limit": "2", "X-Ratelimit-Remaining": "1", "X-Ratelimit-Reset": "30"}},
}
for i, c := range cases {
req, err := http.NewRequest("GET", c.path, nil)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if have, want := rr.Code, c.code; have != want {
t.Errorf("Expected request %d at %s to return %d but got %d",
i, c.path, want, have)
}
for name, want := range c.headers {
if have := rr.HeaderMap.Get(name); have != want {
t.Errorf("Expected request %d at %s to have header '%s: %s' but got '%s'",
i, c.path, name, want, have)
}
}
}
}
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