Alex Vaghin
5f995c0d1c
This change exposes a function to extract rate limit duration from a client error using Retry-After response header. Author: David Calavera <david.calavera@gmail.com>. Fixes golang/go#19304. Change-Id: Iec9cfab398b84c6f216b95d3265ffad1ce2f29a7 Reviewed-on: https://go-review.googlesource.com/37463 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package acme
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import (
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"errors"
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"net/http"
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"testing"
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"time"
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)
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func TestRateLimit(t *testing.T) {
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now := time.Date(2017, 04, 27, 10, 0, 0, 0, time.UTC)
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f := timeNow
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defer func() { timeNow = f }()
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timeNow = func() time.Time { return now }
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h120, hTime := http.Header{}, http.Header{}
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h120.Set("Retry-After", "120")
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hTime.Set("Retry-After", "Tue Apr 27 11:00:00 2017")
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err1 := &Error{
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ProblemType: "urn:ietf:params:acme:error:nolimit",
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Header: h120,
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}
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err2 := &Error{
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ProblemType: "urn:ietf:params:acme:error:rateLimited",
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Header: h120,
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}
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err3 := &Error{
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ProblemType: "urn:ietf:params:acme:error:rateLimited",
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Header: nil,
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}
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err4 := &Error{
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ProblemType: "urn:ietf:params:acme:error:rateLimited",
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Header: hTime,
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}
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tt := []struct {
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err error
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res time.Duration
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ok bool
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}{
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{nil, 0, false},
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{errors.New("dummy"), 0, false},
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{err1, 0, false},
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{err2, 2 * time.Minute, true},
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{err3, 0, true},
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{err4, time.Hour, true},
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}
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for i, test := range tt {
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res, ok := RateLimit(test.err)
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if ok != test.ok {
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t.Errorf("%d: RateLimit(%+v): ok = %v; want %v", i, test.err, ok, test.ok)
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continue
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}
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if res != test.res {
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t.Errorf("%d: RateLimit(%+v) = %v; want %v", i, test.err, res, test.res)
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}
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}
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}
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