| 1 | package control |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "io" |
| 6 | "net/http" |
| 7 | "net/http/httptest" |
| 8 | "testing" |
| 9 | |
| 10 | "reasonix/internal/config" |
| 11 | "reasonix/internal/provider" |
| 12 | "reasonix/internal/provider/anthropic" |
| 13 | "reasonix/internal/provider/openai" |
| 14 | "reasonix/internal/provider/responses" |
| 15 | ) |
| 16 | |
| 17 | func TestLegacyImageResolverPreservesSerializedProtocolBytes(t *testing.T) { |
| 18 | for _, protocol := range []string{"openai", "responses", "anthropic"} { |
| 19 | t.Run(protocol, func(t *testing.T) { |
| 20 | bodies := make(chan []byte, 2) |
| 21 | server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 22 | body, err := io.ReadAll(r.Body) |
| 23 | if err != nil { |
| 24 | t.Error(err) |
| 25 | } |
| 26 | bodies <- body |
| 27 | // A terminal client error avoids synthetic stream differences and |
| 28 | // retries; the real adapter has already serialized the request. |
| 29 | w.WriteHeader(http.StatusBadRequest) |
| 30 | _, _ = w.Write([]byte(`{"error":{"message":"fixture captured","type":"invalid_request_error"}}`)) |
| 31 | })) |
| 32 | defer server.Close() |
| 33 | info := &provider.ModelInfo{ID: "vision", InputModalities: []provider.ModelModality{provider.ModalityText, provider.ModalityImage}} |
| 34 | cfg := provider.Config{Name: "fixture", Model: "vision", BaseURL: server.URL, APIKey: "fixture-only", ModelInfo: info} |
| 35 | var p provider.Provider |
| 36 | var err error |
| 37 | switch protocol { |
| 38 | case "openai": |
| 39 | p, err = openai.New(cfg) |
| 40 | case "anthropic": |
| 41 | p, err = anthropic.New(cfg) |
| 42 | case "responses": |
| 43 | p = responses.New(responses.Config{Name: "fixture", Model: "vision", BaseURL: server.URL, APIKey: "fixture-only", ModelInfo: info}) |
| 44 | } |
| 45 | if err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | messages := []provider.Message{{Role: provider.RoleSystem, Content: "unchanged system"}, {Role: provider.RoleUser, Content: "legacy image", Images: []string{"data:image/png;base64," + tinyPNG}}, {Role: provider.RoleAssistant, Content: "unchanged history"}, {Role: provider.RoleUser, Content: "next turn"}} |
| 49 | c := newOwnedTestController(t, Options{WorkspaceRoot: t.TempDir(), ImageRouteConfig: config.Default()}) |
| 50 | resolved, err := c.ResolveRequestImagesForModel(t.Context(), messages, "fixture/vision", true) |
| 51 | if err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | for _, input := range [][]provider.Message{messages, resolved} { |
| 55 | ch, _ := p.Stream(t.Context(), provider.Request{Messages: input}) |
| 56 | if ch != nil { |
| 57 | for range ch { |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | if len(bodies) != 2 { |
| 62 | t.Fatalf("adapter sent %d requests, want 2", len(bodies)) |
| 63 | } |
| 64 | before, after := <-bodies, <-bodies |
| 65 | if !bytes.Equal(before, after) { |
| 66 | t.Fatalf("legacy protocol bytes changed:\nbefore %s\nafter %s", before, after) |
| 67 | } |
| 68 | if !bytes.Contains(after, []byte(tinyPNG)) { |
| 69 | t.Fatal("fixture did not exercise image serialization") |
| 70 | } |
| 71 | }) |
| 72 | } |
| 73 | } |
| 74 |