mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
9cb6c5bb78
This adds support for parsing Range and Content-Range headers according to RFC 7230. The package could be extended in the future to handle other headers. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>
97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
package httphdr
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
)
|
|
|
|
func valOk[T any](v T, ok bool) (out struct {
|
|
V T
|
|
Ok bool
|
|
}) {
|
|
out.V = v
|
|
out.Ok = ok
|
|
return out
|
|
}
|
|
|
|
func TestRange(t *testing.T) {
|
|
tests := []struct {
|
|
in string
|
|
want []Range
|
|
wantOk bool
|
|
roundtrip bool
|
|
}{
|
|
{"", nil, false, false},
|
|
{"1-3", nil, false, false},
|
|
{"units=1-3", []Range{{1, 3}}, false, false},
|
|
{"bytes=1-3", []Range{{1, 3}}, true, true},
|
|
{"bytes=#-3", nil, false, false},
|
|
{"bytes=#-", nil, false, false},
|
|
{"bytes=13", nil, false, false},
|
|
{"bytes=1-#", nil, false, false},
|
|
{"bytes=-#", nil, false, false},
|
|
{"bytes= , , , ,\t , \t 1-3", []Range{{1, 3}}, true, false},
|
|
{"bytes=1-1", []Range{{1, 1}}, true, true},
|
|
{"bytes=01-01", []Range{{1, 1}}, true, false},
|
|
{"bytes=1-0", nil, false, false},
|
|
{"bytes=0-5,2-3", []Range{{0, 6}, {2, 2}}, true, true},
|
|
{"bytes=2-3,0-5", []Range{{2, 2}, {0, 6}}, true, true},
|
|
{"bytes=0-5,2-,-5", []Range{{0, 6}, {2, 0}, {0, -5}}, true, true},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
got, gotOk := ParseRange(tt.in)
|
|
if d := cmp.Diff(valOk(got, gotOk), valOk(tt.want, tt.wantOk)); d != "" {
|
|
t.Errorf("ParseRange(%q) mismatch (-got +want):\n%s", tt.in, d)
|
|
}
|
|
if tt.roundtrip {
|
|
got, gotOk := FormatRange(tt.want)
|
|
if d := cmp.Diff(valOk(got, gotOk), valOk(tt.in, tt.wantOk)); d != "" {
|
|
t.Errorf("FormatRange(%v) mismatch (-got +want):\n%s", tt.want, d)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type contentRange struct{ Start, Length, CompleteLength int64 }
|
|
|
|
func TestContentRange(t *testing.T) {
|
|
tests := []struct {
|
|
in string
|
|
want contentRange
|
|
wantOk bool
|
|
roundtrip bool
|
|
}{
|
|
{"", contentRange{}, false, false},
|
|
{"bytes 5-6/*", contentRange{5, 2, -1}, true, true},
|
|
{"units 5-6/*", contentRange{}, false, false},
|
|
{"bytes 5-6/*", contentRange{}, false, false},
|
|
{"bytes 5-5/*", contentRange{5, 1, -1}, true, true},
|
|
{"bytes 5-4/*", contentRange{}, false, false},
|
|
{"bytes 5-5/6", contentRange{5, 1, 6}, true, true},
|
|
{"bytes 05-005/0006", contentRange{5, 1, 6}, true, false},
|
|
{"bytes 5-5/5", contentRange{}, false, false},
|
|
{"bytes #-5/6", contentRange{}, false, false},
|
|
{"bytes 5-#/6", contentRange{}, false, false},
|
|
{"bytes 5-5/#", contentRange{}, false, false},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
start, length, completeLength, gotOk := ParseContentRange(tt.in)
|
|
got := contentRange{start, length, completeLength}
|
|
if d := cmp.Diff(valOk(got, gotOk), valOk(tt.want, tt.wantOk)); d != "" {
|
|
t.Errorf("ParseContentRange mismatch (-got +want):\n%s", d)
|
|
}
|
|
if tt.roundtrip {
|
|
got, gotOk := FormatContentRange(tt.want.Start, tt.want.Length, tt.want.CompleteLength)
|
|
if d := cmp.Diff(valOk(got, gotOk), valOk(tt.in, tt.wantOk)); d != "" {
|
|
t.Errorf("FormatContentRange mismatch (-got +want):\n%s", d)
|
|
}
|
|
}
|
|
}
|
|
}
|