| 1 | package plugin |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "net/http" |
| 6 | "net/http/httptest" |
| 7 | "sync/atomic" |
| 8 | "testing" |
| 9 | ) |
| 10 | |
| 11 | func TestHTTPTransportEstablishedSessionless404DoesNotRebuild(t *testing.T) { |
| 12 | var initializeCount atomic.Int32 |
| 13 | var listCount atomic.Int32 |
| 14 | srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 15 | if r.Method == http.MethodGet { |
| 16 | w.WriteHeader(http.StatusMethodNotAllowed) |
| 17 | return |
| 18 | } |
| 19 | var req struct { |
| 20 | ID *int `json:"id"` |
| 21 | Method string `json:"method"` |
| 22 | } |
| 23 | if err := json.NewDecoder(r.Body).Decode(&req); err != nil { |
| 24 | http.Error(w, "bad body", http.StatusBadRequest) |
| 25 | return |
| 26 | } |
| 27 | switch req.Method { |
| 28 | case "initialize": |
| 29 | initializeCount.Add(1) |
| 30 | writeHTTPRPCResult(w, req.ID, map[string]any{ |
| 31 | "protocolVersion": testLegacyProtocolVersion, |
| 32 | "serverInfo": map[string]any{"name": "sessionless", "version": "1"}, |
| 33 | }) |
| 34 | case "notifications/initialized": |
| 35 | w.WriteHeader(http.StatusAccepted) |
| 36 | case "tools/list": |
| 37 | listCount.Add(1) |
| 38 | http.Error(w, "not found", http.StatusNotFound) |
| 39 | default: |
| 40 | http.Error(w, "unknown method", http.StatusBadRequest) |
| 41 | } |
| 42 | })) |
| 43 | defer srv.Close() |
| 44 | |
| 45 | transport, err := newHTTPTransport(Spec{Name: "sessionless", Type: "http", URL: srv.URL}) |
| 46 | if err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | defer transport.close() |
| 50 | if _, err := transport.call(t.Context(), "tools/list", map[string]any{}); err == nil { |
| 51 | t.Fatal("tools/list unexpectedly succeeded") |
| 52 | } |
| 53 | if got := initializeCount.Load(); got != 1 { |
| 54 | t.Fatalf("initialize count = %d, want no session rebuild", got) |
| 55 | } |
| 56 | if got := listCount.Load(); got != 1 { |
| 57 | t.Fatalf("tools/list count = %d, want no replay", got) |
| 58 | } |
| 59 | transport.mu.Lock() |
| 60 | generations := transport.nextGeneration |
| 61 | transport.mu.Unlock() |
| 62 | if generations != 1 { |
| 63 | t.Fatalf("supervisor generations = %d, want 1", generations) |
| 64 | } |
| 65 | diagnostics := transport.sessionDiagnostics() |
| 66 | if diagnostics.LastErrorKind != SessionErrorProtocol { |
| 67 | t.Fatalf("last error kind = %q, want %q", diagnostics.LastErrorKind, SessionErrorProtocol) |
| 68 | } |
| 69 | } |
| 70 |