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several bugfixes, add internal.IntLen, round up http-linux example with new router API

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This commit is contained in:
Patricio Whittingslow
2026-07-25 22:09:49 -03:00
parent d4666630f7
commit a7f598f975
8 changed files with 233 additions and 136 deletions
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http/httphi/exchange_test.go
+45 -8
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@@ -188,7 +188,7 @@ func TestHandleRequestFields(t *testing.T) {
} {
t.Run(test.name, func(t *testing.T) {
var gotMethod, gotURI, gotHost string
var sm sliceMux
var sm MuxSlice
sm.Handle(test.wantURI, func(ex *Exchange) {
gotMethod = string(ex.RequestMethod())
gotURI = string(ex.RequestURI())
@@ -223,7 +223,7 @@ func TestHandleMalformedRequest(t *testing.T) {
} {
t.Run(test.name, func(t *testing.T) {
var handled bool
var sm sliceMux
var sm MuxSlice
sm.Handle("/", func(ex *Exchange) { handled = true })
conn := newConn(test.request)
conn.Hangup()
@@ -240,7 +240,7 @@ func TestHandleMalformedRequest(t *testing.T) {
// No registered handler must yield 404, not an empty response.
func TestHandleNoHandler(t *testing.T) {
var sm sliceMux
var sm MuxSlice
sm.Handle("GET /", func(ex *Exchange) { t.Error("handler must not run") })
conn := serve(t, "GET /nowhere HTTP/1.1\r\nHost: h\r\n\r\n", &sm)
const want = "HTTP/1.1 404 Not Found\r\n\r\n"
@@ -251,7 +251,7 @@ func TestHandleNoHandler(t *testing.T) {
// A handler that writes nothing must still produce a valid response.
func TestHandleSilentHandler(t *testing.T) {
var sm sliceMux
var sm MuxSlice
sm.Handle("/", func(ex *Exchange) {})
conn := serve(t, "GET / HTTP/1.1\r\nHost: h\r\n\r\n", &sm)
const want = "HTTP/1.1 200 OK\r\n\r\n"
@@ -265,7 +265,7 @@ func TestExchangeReadBody(t *testing.T) {
const body = "message body"
var got string
var readErr error
var sm sliceMux
var sm MuxSlice
sm.Handle("POST /", func(ex *Exchange) {
dst := make([]byte, len(body))
n, err := ex.ReadBody(dst)
@@ -315,7 +315,7 @@ func TestExchangeSetHeaderExactFit(t *testing.T) {
// Handle never closes the connection, on any outcome: the caller owns it so
// that error policy and connection reuse stay the caller's decision.
func TestHandleLeavesConnOpen(t *testing.T) {
var sm sliceMux
var sm MuxSlice
sm.Handle("GET /", staticPage(t, "ok"))
for _, request := range []string{
"GET / HTTP/1.1\r\nHost: h\r\n\r\n", // Served.
@@ -337,7 +337,7 @@ func TestHandleLeavesConnOpen(t *testing.T) {
// Ownership must not carry over: the next connection the exchange serves is
// the router's again and must be closed on Release.
func TestExchangeHijackOwnership(t *testing.T) {
var sm sliceMux
var sm MuxSlice
var hijackErr error
sm.Handle("GET /", func(ex *Exchange) {
_, _, hijackErr = ex.HijackRaw(nil)
@@ -370,7 +370,7 @@ func TestExchangeHijackOwnership(t *testing.T) {
// read until the conn itself reports failure, so a stalled peer ends the
// exchange through the conn's deadline instead of pinning the exchange.
func TestHandleIdlePeerEndsOnConnDeadline(t *testing.T) {
var sm sliceMux
var sm MuxSlice
sm.Handle("/", func(ex *Exchange) { t.Error("handler must not run on partial request") })
conn := newConn("GET / HTTP") // Peer stalls mid request line, never hangs up.
conn.SetDeadline(time.Now().Add(10 * time.Millisecond))
@@ -415,3 +415,40 @@ func TestExchangeWriteHeaderFlushFails(t *testing.T) {
t.Errorf("want nothing on the wire, got %q", got)
}
}
func TestExchangeSetHeaderInt(t *testing.T) {
for _, test := range []struct {
value int64
base int
want string // Header block emitted after the status line.
}{
{value: 1234, base: 10, want: "N:1234\r\n\r\n"},
{value: 0, base: 10, want: "N:0\r\n\r\n"},
{value: -42, base: 10, want: "N:-42\r\n\r\n"},
{value: 255, base: 16, want: "N:ff\r\n\r\n"},
{value: 9223372036854775807, base: 10, want: "N:9223372036854775807\r\n\r\n"},
{value: -9223372036854775808, base: 10, want: "N:-9223372036854775808\r\n\r\n"},
{value: 1, base: 2, want: "\r\n"}, // Below base 10, dropped.
{value: 1, base: 37, want: "\r\n"}, // Above base 36, dropped.
} {
conn := newConn("")
exch := newExchange(t, conn, 256, false)
exch.SetHeaderInt("N", test.value, test.base)
exch.WriteHeader(200)
got, _ := strings.CutPrefix(conn.ViewWritten(), "HTTP/1.1 200 OK\r\n")
if got != test.want {
t.Errorf("value %d base %d: want %q, got %q", test.value, test.base, test.want, got)
}
}
}
// SetHeaderInt must format into the response buffer without allocating.
func TestExchangeSetHeaderIntNoAlloc(t *testing.T) {
exch := newExchange(t, newConn(""), 256, false)
allocs := testing.AllocsPerRun(100, func() {
exch.SetHeaderInt("Content-Length", 1234567890, 10)
})
if allocs != 0 {
t.Errorf("SetHeaderInt allocated %v times, want 0", allocs)
}
}