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enhance: support ETag on streamed repository archives, support If-None-Match: * (#39289)

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Signed-off-by: silverwind <me@silverwind.io>
Co-authored-by: Claude (Opus 5) <noreply@anthropic.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
silverwind
2026-09-16 12:30:22 +02:00
committed by GitHub
co-authored by Claude wxiaoguang
parent 31b4d79a84
commit c04802b6b3
4 changed files with 65 additions and 9 deletions
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modules/httpcache/httpcache_test.go
+26 -1
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@@ -16,11 +16,13 @@ import (
func TestHandleGenericETagCache(t *testing.T) {
matchedEtag := `"matched-etag"`
weakEtag := `W/"matched-etag"`
lastModifiedTime := new(time.Date(2021, time.January, 2, 15, 4, 5, 0, time.FixedZone("test-zone", 8*3600)))
lastModified := lastModifiedTime.UTC().Format(http.TimeFormat)
cacheControl := "max-age=0, private, must-revalidate"
type testCase struct {
name string
respEtag string
reqHeaders map[string]string
wantHandled bool
wantHeaders map[string]string
@@ -51,6 +53,29 @@ func TestHandleGenericETagCache(t *testing.T) {
wantHandled: false,
wantHeaders: map[string]string{"Last-Modified": lastModified, "Cache-Control": cacheControl, "Etag": matchedEtag},
},
{
name: "Wildcard If-None-Match matches any current representation",
reqHeaders: map[string]string{"If-None-Match": "*"},
wantHandled: true,
wantHeaders: map[string]string{"Last-Modified": lastModified, "Cache-Control": "", "Etag": matchedEtag},
wantStatus: http.StatusNotModified,
},
{
name: "Weak response tag matched by a strong request tag",
respEtag: weakEtag,
reqHeaders: map[string]string{"If-None-Match": matchedEtag},
wantHandled: true,
wantHeaders: map[string]string{"Last-Modified": lastModified, "Cache-Control": "", "Etag": weakEtag},
wantStatus: http.StatusNotModified,
},
{
name: "Weak response tag matched by a weak request tag",
respEtag: weakEtag,
reqHeaders: map[string]string{"If-None-Match": weakEtag},
wantHandled: true,
wantHeaders: map[string]string{"Last-Modified": lastModified, "Cache-Control": "", "Etag": weakEtag},
wantStatus: http.StatusNotModified,
},
{
name: "Multiple Matched If-None-Match",
reqHeaders: map[string]string{"If-None-Match": `"mismatched-etag", ` + matchedEtag},
@@ -67,7 +92,7 @@ func TestHandleGenericETagCache(t *testing.T) {
req.Header.Set(k, v)
}
w := httptest.NewRecorder()
assert.Equal(t, tc.wantHandled, HandleGenericETagPrivateCache(req, w, matchedEtag, lastModifiedTime))
assert.Equal(t, tc.wantHandled, HandleGenericETagPrivateCache(req, w, util.IfZero(tc.respEtag, matchedEtag), lastModifiedTime))
resp := w.Result()
for k, v := range tc.wantHeaders {
assert.Equal(t, v, resp.Header.Get(k))