Function TestHandleProxyForwardsOrigin416Verbatim

cmd/cache-proxy/proxy_test.go:694–707

TestHandleProxyForwardsOrigin416Verbatim: Range Not Satisfiable carries semantically important metadata for DuckLake; collapsing to 502 made it look like a network error.

(t *testing.T)

	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			proxy := newTestProxy(t)
			var calls int32
			_, originURL := newTestServer(t, func(w http.ResponseWriter, r *http.Request) {
				atomic.AddInt32(&calls, 1)
				w.WriteHeader(tt.status)
				_, _ = fmt.Fprintf(w, "status=%d", tt.status)
			})

			rec := doForwardProxyRequest(proxy, "GET", originURL+"/bucket/terminal.parquet", http.Header{"Range": []string{"bytes=0-1"}})
			if rec.Code != tt.status {
				t.Fatalf("status = %d, want %d", rec.Code, tt.status)
			}
			if atomic.LoadInt32(&calls) != 1 {
				t.Fatalf("origin calls = %d, want 1 for terminal status %d", calls, tt.status)
			}