1package provider
2
3import (
4 "context"
5 "math"
6 "net/http"
7 "net/http/httptest"
8 "strings"
9 "testing"
10)
11
12func TestSSEParse(t *testing.T) {
13 r := strings.NewReader("event: foo\ndata: {\"a\":1}\n\ndata: hello\ndata: world\n\n")
14 ch := make(chan sseEvent, 4)
15 go readSSE(r, ch)
16
17 e := <-ch
18 if e.Event != "foo" || e.Data != `{"a":1}` {
19 t.Fatalf("event 1: %+v", e)
20 }
21 e = <-ch
22 if e.Event != "" || e.Data != "hello\nworld" {
23 t.Fatalf("event 2: %+v", e)
24 }
25 if _, ok := <-ch; ok {
26 t.Fatalf("channel not closed")
27 }
28}
29
30func TestModelCatalog(t *testing.T) {
31 if len(Catalog) == 0 {
32 t.Fatal("empty catalog")
33 }
34 if _, err := FindModel("anthropic", "claude-sonnet-4-5"); err != nil {
35 t.Fatal(err)
36 }
37 if _, err := FindModel("openai", "gpt-5"); err != nil {
38 t.Fatal(err)
39 }
40 if _, err := FindModel("", "nope"); err == nil {
41 t.Fatal("expected error")
42 }
43}
44
45func TestVertexGeminiFlashCatalogLimits(t *testing.T) {
46 for _, id := range []string{"gemini-3.1-flash-lite", "gemini-3.5-flash"} {
47 m, err := FindModel("google-vertex", id)
48 if err != nil {
49 t.Fatal(err)
50 }
51 if m.ContextWindow != 1048576 || m.MaxOutput != 65535 || !m.Reasoning {
52 t.Errorf("%s metadata = %+v", id, m)
53 }
54 }
55}
56
57func TestComputeCost(t *testing.T) {
58 m, _ := FindModel("anthropic", "claude-sonnet-4-5")
59 cost := ComputeCost(m, Usage{InputTokens: 1_000_000, OutputTokens: 1_000_000})
60 want := m.PriceInput + m.PriceOutput
61 if cost != want {
62 t.Fatalf("cost=%v want=%v", cost, want)
63 }
64}
65
66func TestComputeCostInputTier(t *testing.T) {
67 m := Model{
68 PriceInput: 1, PriceOutput: 2, PriceCacheRead: 0.1,
69 PriceTierInputTokens: 100,
70 PriceInputAbove: 3, PriceOutputAbove: 4, PriceCacheReadAbove: 0.2,
71 }
72 below := ComputeCost(m, Usage{InputTokens: 50, OutputTokens: 10, CacheReadTokens: 50})
73 wantBelow := (50.0*1 + 10*2 + 50*0.1) / 1_000_000
74 if math.Abs(below-wantBelow) > 1e-12 {
75 t.Fatalf("below-tier cost=%v want=%v", below, wantBelow)
76 }
77
78 above := ComputeCost(m, Usage{InputTokens: 51, OutputTokens: 10, CacheReadTokens: 50})
79 wantAbove := (51.0*3 + 10*4 + 50*0.2) / 1_000_000
80 if math.Abs(above-wantAbove) > 1e-12 {
81 t.Fatalf("above-tier cost=%v want=%v", above, wantAbove)
82 }
83}
84
85func TestAnthropicErrorStatus(t *testing.T) {
86 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
87 w.WriteHeader(http.StatusUnauthorized)
88 _, _ = w.Write([]byte(`{"error":{"type":"auth","message":"bad key"}}`))
89 }))
90 defer srv.Close()
91
92 c := NewAnthropic("x", srv.URL)
93 _, err := c.Stream(context.Background(), Request{Model: "claude-sonnet-4-5"})
94 if err == nil || !strings.Contains(err.Error(), "401") {
95 t.Fatalf("want 401 err, got %v", err)
96 }
97}
98
99func TestOpenAIErrorStatus(t *testing.T) {
100 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
101 w.WriteHeader(http.StatusBadRequest)
102 _, _ = w.Write([]byte(`{"error":{"message":"nope"}}`))
103 }))
104 defer srv.Close()
105
106 c := NewOpenAI("x", srv.URL)
107 _, err := c.Stream(context.Background(), Request{Model: "gpt-5"})
108 if err == nil || !strings.Contains(err.Error(), "400") {
109 t.Fatalf("want 400 err, got %v", err)
110 }
111}
112
113func TestMiniMaxM3CatalogAndRequest(t *testing.T) {
114 for _, provider := range []string{"minimax", "minimax-cn"} {
115 m, err := FindModel(provider, "MiniMax-M3")
116 if err != nil {
117 t.Fatal(err)
118 }
119 if m.ContextWindow != 1000000 || m.MaxOutput != 131072 || !m.Reasoning || !m.AdaptiveThinkingCompat {
120 t.Errorf("%s metadata = %+v", provider, m)
121 }
122 if m.PriceInput != 0.3 || m.PriceOutput != 1.2 || m.PriceCacheRead != 0.06 || m.PriceTierInputTokens != 512000 || m.PriceInputAbove != 0.6 || m.PriceOutputAbove != 2.4 || m.PriceCacheReadAbove != 0.12 {
123 t.Errorf("%s pricing = %+v", provider, m)
124 }
125 }
126
127 c := NewAnthropicCompat("minimax", "x", "https://api.minimax.io/anthropic").(*anthropicClient)
128 temp := float32(0.7)
129 wire, err := c.buildRequest(Request{
130 Model: "MiniMax-M3",
131 Reasoning: "high",
132 Temperature: &temp,
133 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
134 })
135 if err != nil {
136 t.Fatal(err)
137 }
138 if wire.Thinking == nil || wire.Thinking.Type != "adaptive" || wire.Thinking.BudgetTokens != 0 {
139 t.Fatalf("want adaptive thinking without a budget, got %+v", wire.Thinking)
140 }
141 if wire.OutputConfig != nil {
142 t.Fatalf("MiniMax-M3 must not send output_config, got %+v", wire.OutputConfig)
143 }
144 if wire.Temperature == nil || *wire.Temperature != temp {
145 t.Fatalf("MiniMax-M3 should keep temperature, got %v", wire.Temperature)
146 }
147}
148
149func TestAnthropicAdaptiveThinking(t *testing.T) {
150 c := NewAnthropic("x", "").(*anthropicClient)
151 temp := float32(0.7)
152
153 // Opus 5 -> adaptive thinking, effort set, no budget, no temperature.
154 wire, err := c.buildRequest(Request{
155 Model: "claude-opus-5",
156 Reasoning: "high",
157 Temperature: &temp,
158 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
159 })
160 if err != nil {
161 t.Fatal(err)
162 }
163 if wire.Thinking == nil || wire.Thinking.Type != "adaptive" {
164 t.Fatalf("want adaptive thinking, got %+v", wire.Thinking)
165 }
166 if wire.Thinking.BudgetTokens != 0 {
167 t.Fatalf("adaptive must not send budget_tokens, got %d", wire.Thinking.BudgetTokens)
168 }
169 if wire.OutputConfig == nil || wire.OutputConfig.Effort != "high" {
170 t.Fatalf("want effort=high, got %+v", wire.OutputConfig)
171 }
172 if wire.Temperature != nil {
173 t.Fatalf("adaptive must drop temperature, got %v", *wire.Temperature)
174 }
175
176 // maximum -> xhigh effort.
177 wire, err = c.buildRequest(Request{
178 Model: "claude-opus-5",
179 Reasoning: "maximum",
180 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
181 })
182 if err != nil {
183 t.Fatal(err)
184 }
185 if wire.OutputConfig == nil || wire.OutputConfig.Effort != "xhigh" {
186 t.Fatalf("want effort=xhigh, got %+v", wire.OutputConfig)
187 }
188
189 // max is a separate native tier above xhigh on adaptive models.
190 wire, err = c.buildRequest(Request{
191 Model: "claude-opus-5",
192 Reasoning: "max",
193 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
194 })
195 if err != nil {
196 t.Fatal(err)
197 }
198 if wire.OutputConfig == nil || wire.OutputConfig.Effort != "max" {
199 t.Fatalf("want effort=max, got %+v", wire.OutputConfig)
200 }
201
202 // Sonnet 5 -> adaptive thinking, effort set, no budget, no temperature.
203 wire, err = c.buildRequest(Request{
204 Model: "claude-sonnet-5",
205 Reasoning: "high",
206 Temperature: &temp,
207 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
208 })
209 if err != nil {
210 t.Fatal(err)
211 }
212 if wire.Thinking == nil || wire.Thinking.Type != "adaptive" {
213 t.Fatalf("want adaptive thinking for Sonnet 5, got %+v", wire.Thinking)
214 }
215 if wire.Thinking.BudgetTokens != 0 {
216 t.Fatalf("Sonnet 5 adaptive must not send budget_tokens, got %d", wire.Thinking.BudgetTokens)
217 }
218 if wire.OutputConfig == nil || wire.OutputConfig.Effort != "high" {
219 t.Fatalf("want Sonnet 5 effort=high, got %+v", wire.OutputConfig)
220 }
221 if wire.Temperature != nil {
222 t.Fatalf("Sonnet 5 adaptive must drop temperature, got %v", *wire.Temperature)
223 }
224
225 // Opus 4.5 -> budget-based thinking, no output_config, temperature kept.
226 wire, err = c.buildRequest(Request{
227 Model: "claude-opus-4-5",
228 Reasoning: "high",
229 Temperature: &temp,
230 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
231 })
232 if err != nil {
233 t.Fatal(err)
234 }
235 if wire.Thinking == nil || wire.Thinking.Type != "enabled" || wire.Thinking.BudgetTokens <= 0 {
236 t.Fatalf("want budget thinking, got %+v", wire.Thinking)
237 }
238 if wire.OutputConfig != nil {
239 t.Fatalf("budget models must not send output_config, got %+v", wire.OutputConfig)
240 }
241 if wire.Temperature == nil || *wire.Temperature != temp {
242 t.Fatalf("budget model should keep temperature, got %v", wire.Temperature)
243 }
244}
245
246func TestAnthropicBuildRequestStripsAssistantImages(t *testing.T) {
247 c := NewAnthropic("x", "").(*anthropicClient)
248 wire, err := c.buildRequest(Request{
249 Model: "claude-sonnet-4-5",
250 Messages: []Message{
251 {Role: RoleUser, Content: []Content{TextBlock{Text: "make an image"}}},
252 {Role: RoleAssistant, Content: []Content{
253 TextBlock{Text: "done"},
254 ImageBlock{MimeType: "image/png", Data: []byte("png")},
255 TextBlock{Text: "Saved image: `zot-gemini-image-x.png`"},
256 }},
257 {Role: RoleUser, Content: []Content{TextBlock{Text: "hello"}}},
258 },
259 })
260 if err != nil {
261 t.Fatal(err)
262 }
263 if len(wire.Messages) != 3 {
264 t.Fatalf("messages=%d", len(wire.Messages))
265 }
266 assistant := wire.Messages[1]
267 if assistant.Role != "assistant" {
268 t.Fatalf("role=%q", assistant.Role)
269 }
270 if len(assistant.Content) != 2 {
271 t.Fatalf("assistant content=%+v", assistant.Content)
272 }
273 for _, b := range assistant.Content {
274 if _, ok := b.(anthImageBlock); ok {
275 t.Fatalf("assistant image block was not stripped: %+v", assistant.Content)
276 }
277 }
278}
279
280func TestAnthropicStreamHappyPath(t *testing.T) {
281 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
282 w.Header().Set("content-type", "text/event-stream")
283 w.WriteHeader(http.StatusOK)
284 fl, _ := w.(http.Flusher)
285 write := func(s string) {
286 _, _ = w.Write([]byte(s))
287 if fl != nil {
288 fl.Flush()
289 }
290 }
291 write("event: message_start\ndata: {\"message\":{\"usage\":{\"input_tokens\":10,\"output_tokens\":0}}}\n\n")
292 write("event: content_block_start\ndata: {\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}}\n\n")
293 write("event: content_block_delta\ndata: {\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"hi\"}}\n\n")
294 write("event: content_block_stop\ndata: {\"index\":0}\n\n")
295 write("event: message_delta\ndata: {\"delta\":{\"stop_reason\":\"end_turn\"},\"usage\":{\"output_tokens\":5}}\n\n")
296 write("event: message_stop\ndata: {}\n\n")
297 }))
298 defer srv.Close()
299
300 c := NewAnthropic("x", srv.URL)
301 evs, err := c.Stream(context.Background(), Request{Model: "claude-sonnet-4-5"})
302 if err != nil {
303 t.Fatal(err)
304 }
305 var gotText string
306 var done EventDone
307 for ev := range evs {
308 switch e := ev.(type) {
309 case EventTextDelta:
310 gotText += e.Delta
311 case EventDone:
312 done = e
313 }
314 }
315 if gotText != "hi" {
316 t.Fatalf("text=%q", gotText)
317 }
318 if done.Stop != StopEnd {
319 t.Fatalf("stop=%v", done.Stop)
320 }
321}
322
323func TestClaudeOpus5Catalog(t *testing.T) {
324 m, err := FindModel("anthropic", "claude-opus-5")
325 if err != nil {
326 t.Fatal(err)
327 }
328 if m.DisplayName != "Claude Opus 5" || m.ContextWindow != 1000000 || m.MaxOutput != 128000 || !m.Reasoning || !m.AdaptiveThinking || m.Speculative {
329 t.Fatalf("unexpected Opus 5 model: %+v", m)
330 }
331 if m.PriceInput != 5 || m.PriceOutput != 25 || m.PriceCacheRead != 0.5 || m.PriceCacheWrite != 6.25 {
332 t.Fatalf("unexpected Opus 5 pricing: %+v", m)
333 }
334}
335
336func TestClaudeSonnet5Catalog(t *testing.T) {
337 m, err := FindModel("anthropic", "claude-sonnet-5")
338 if err != nil {
339 t.Fatal(err)
340 }
341 if m.DisplayName != "Claude Sonnet 5" || m.ContextWindow != 1000000 || m.MaxOutput != 128000 || !m.Reasoning || !m.AdaptiveThinking {
342 t.Fatalf("unexpected Sonnet 5 model: %+v", m)
343 }
344 if m.PriceInput != 2 || m.PriceOutput != 10 || m.PriceCacheRead != 0.2 || m.PriceCacheWrite != 2.5 {
345 t.Fatalf("unexpected Sonnet 5 pricing: %+v", m)
346 }
347}
348
349func TestGondolaSeedCatalog(t *testing.T) {
350 kimi, err := FindModel("gondola", "kimi-k3")
351 if err != nil {
352 t.Fatal(err)
353 }
354 if kimi.ContextWindow != 1000000 || kimi.MaxOutput != 131072 || !kimi.Reasoning || kimi.AdaptiveThinking {
355 t.Fatalf("unexpected Kimi K3 model: %+v", kimi)
356 }
357 if kimi.PriceInput != 1.1475 || kimi.PriceOutput != 5.7375 || kimi.PriceCacheRead != 0.11475 {
358 t.Fatalf("unexpected Kimi K3 pricing: %+v", kimi)
359 }
360
361 opus, err := FindModel("gondola", "claude-opus-5")
362 if err != nil {
363 t.Fatal(err)
364 }
365 if !opus.AdaptiveThinking || opus.PriceInput != 1.836 || opus.PriceOutput != 9.18 || opus.PriceCacheRead != 0.1836 || opus.PriceCacheWrite != 2.295 {
366 t.Fatalf("unexpected Claude Opus 5 model: %+v", opus)
367 }
368}
369
370func TestOpenAICompatAnthropicReasoningEffort(t *testing.T) {
371 c := NewOpenRouter("token", "").(*openaiClient)
372 wire, err := c.buildRequest(Request{
373 Model: "anthropic/claude-opus-4.8",
374 Reasoning: "maximum",
375 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
376 })
377 if err != nil {
378 t.Fatal(err)
379 }
380 if wire.ReasoningEffort != "xhigh" {
381 t.Fatalf("want xhigh for adaptive Anthropic model over OpenAI-compatible wire, got %q", wire.ReasoningEffort)
382 }
383
384 wire, err = c.buildRequest(Request{
385 Model: "anthropic/claude-sonnet-5",
386 Reasoning: "maximum",
387 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
388 })
389 if err != nil {
390 t.Fatal(err)
391 }
392 if wire.ReasoningEffort != "xhigh" {
393 t.Fatalf("want xhigh for Claude Sonnet 5 over OpenAI-compatible wire, got %q", wire.ReasoningEffort)
394 }
395
396 wire, err = c.buildRequest(Request{
397 Model: "gpt-5.1",
398 Reasoning: "maximum",
399 Messages: []Message{{Role: RoleUser, Content: []Content{TextBlock{Text: "hi"}}}},
400 })
401 if err != nil {
402 t.Fatal(err)
403 }
404 if wire.ReasoningEffort != "high" {
405 t.Fatalf("want generic OpenAI-compatible maximum clamped to high, got %q", wire.ReasoningEffort)
406 }
407}
408
409func TestOpenAIBuildRequestSkipsReasoningOnlyAssistantMessages(t *testing.T) {
410 c := NewKimi("token", "").(*openaiClient)
411 wire, err := c.buildRequest(Request{
412 Model: "kimi-for-coding",
413 Messages: []Message{
414 {Role: RoleUser, Content: []Content{TextBlock{Text: "first"}}},
415 {Role: RoleAssistant, Content: []Content{ReasoningBlock{Summary: "thinking only"}}},
416 {Role: RoleUser, Content: []Content{TextBlock{Text: "second"}}},
417 },
418 })
419 if err != nil {
420 t.Fatal(err)
421 }
422 for i, msg := range wire.Messages {
423 if msg.Role == "assistant" && msg.Content == nil && len(msg.ToolCalls) == 0 {
424 t.Fatalf("message %d is empty assistant: %+v", i, msg)
425 }
426 }
427 if got := len(wire.Messages); got != 2 {
428 t.Fatalf("messages=%d want 2 after skipping reasoning-only assistant", got)
429 }
430}
431
432func TestOpenAIStreamHappyPath(t *testing.T) {
433 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
434 w.Header().Set("content-type", "text/event-stream")
435 w.WriteHeader(http.StatusOK)
436 fl, _ := w.(http.Flusher)
437 write := func(s string) {
438 _, _ = w.Write([]byte(s))
439 if fl != nil {
440 fl.Flush()
441 }
442 }
443 write("data: {\"choices\":[{\"index\":0,\"delta\":{\"content\":\"hel\"},\"finish_reason\":null}]}\n\n")
444 write("data: {\"choices\":[{\"index\":0,\"delta\":{\"content\":\"lo\"},\"finish_reason\":\"stop\"}]}\n\n")
445 write("data: {\"choices\":[],\"usage\":{\"prompt_tokens\":8,\"completion_tokens\":2}}\n\n")
446 write("data: [DONE]\n\n")
447 }))
448 defer srv.Close()
449
450 c := NewOpenAI("x", srv.URL)
451 evs, err := c.Stream(context.Background(), Request{Model: "gpt-5"})
452 if err != nil {
453 t.Fatal(err)
454 }
455 var gotText string
456 var done EventDone
457 for ev := range evs {
458 switch e := ev.(type) {
459 case EventTextDelta:
460 gotText += e.Delta
461 case EventDone:
462 done = e
463 }
464 }
465 if gotText != "hello" {
466 t.Fatalf("text=%q", gotText)
467 }
468 if done.Stop != StopEnd {
469 t.Fatalf("stop=%v", done.Stop)
470 }
471}
472
473func TestDiscoverOpenRouter(t *testing.T) {
474 const body = `{"data":[
475 {"id":"x/full","pricing":{"prompt":"0.000003","completion":"0.000015"},
476 "context_length":200000,"top_provider":{"max_completion_tokens":64000},
477 "supported_parameters":["reasoning"]},
478 {"id":"x/fallback","top_provider":{"context_length":128000}},
479 {"id":""}]}`
480 srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
481 _, _ = w.Write([]byte(body))
482 }))
483 defer srv.Close()
484
485 models, err := DiscoverOpenRouter(context.Background(), srv.URL)
486 if err != nil {
487 t.Fatal(err)
488 }
489 if len(models) != 2 { // empty id dropped
490 t.Fatalf("want 2 models, got %d", len(models))
491 }
492 // per-token USD -> per-1M; reasoning from supported_parameters.
493 if m := models[0]; m.Provider != "openrouter" || m.ContextWindow != 200000 ||
494 m.MaxOutput != 64000 || !m.Reasoning || m.PriceInput != 3 || m.PriceOutput != 15 {
495 t.Errorf("model[0]: %+v", m)
496 }
497 // context falls back to top_provider; no reasoning.
498 if m := models[1]; m.ContextWindow != 128000 || m.MaxOutput != 0 || m.Reasoning {
499 t.Errorf("model[1]: %+v", m)
500 }
501}
502
503func TestGPT56CatalogEntries(t *testing.T) {
504 cases := []struct {
505 provider string
506 id string
507 context int
508 priceInput float64
509 priceOut float64
510 cacheRead float64
511 cacheWrite float64
512 }{
513 {"openai", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},
514 {"openai", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},
515 {"openai", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},
516 {"openai-codex", "gpt-5.6-luna", 272000, 1, 6, 0.1, 1.25},
517 {"openai-codex", "gpt-5.6-sol", 272000, 5, 30, 0.5, 6.25},
518 {"openai-codex", "gpt-5.6-terra", 272000, 2.5, 15, 0.25, 3.125},
519 {"azure-openai-responses", "gpt-5.6-luna", 1050000, 1, 6, 0.1, 1.25},
520 {"azure-openai-responses", "gpt-5.6-sol", 1050000, 5, 30, 0.5, 6.25},
521 {"azure-openai-responses", "gpt-5.6-terra", 1050000, 2.5, 15, 0.25, 3.125},
522 {"vercel-ai-gateway", "openai/gpt-5.6-luna", 1050000, 1, 6, 0.1, 1.25},
523 {"vercel-ai-gateway", "openai/gpt-5.6-sol", 1050000, 5, 30, 0.5, 6.25},
524 {"vercel-ai-gateway", "openai/gpt-5.6-terra", 1050000, 2.5, 15, 0.25, 3.125},
525 }
526 for _, tc := range cases {
527 m, err := FindModel(tc.provider, tc.id)
528 if err != nil {
529 t.Fatal(err)
530 }
531 if m.ContextWindow != tc.context || m.MaxOutput != 128000 || !m.Reasoning {
532 t.Fatalf("%s/%s limits: %+v", tc.provider, tc.id, m)
533 }
534 if m.PriceInput != tc.priceInput || m.PriceOutput != tc.priceOut || m.PriceCacheRead != tc.cacheRead || m.PriceCacheWrite != tc.cacheWrite {
535 t.Fatalf("%s/%s prices: %+v", tc.provider, tc.id, m)
536 }
537 }
538}
539
540// TestOpenCodeGoCatalog pins entries added from the vendor's current Go
541// model lineup (https://opencode.ai/docs/go).
542func TestOpenCodeGoCatalog(t *testing.T) {
543 cases := []struct {
544 id string
545 context int
546 maxOut int
547 priceIn float64
548 priceOut float64
549 cacheRead float64
550 }{
551 {"gpt-5.6-luna", 1050000, 128000, 0.2, 1.2, 0.02},
552 {"grok-4.5", 500000, 500000, 2, 6, 0.3},
553 {"kimi-k3", 1048576, 131072, 3, 15, 0.3},
554 }
555 for _, tc := range cases {
556 m, err := FindModel("opencode-go", tc.id)
557 if err != nil {
558 t.Fatal(err)
559 }
560 if m.ContextWindow != tc.context || m.MaxOutput != tc.maxOut || !m.Reasoning {
561 t.Fatalf("opencode-go/%s limits: %+v", tc.id, m)
562 }
563 if m.PriceInput != tc.priceIn || m.PriceOutput != tc.priceOut || m.PriceCacheRead != tc.cacheRead {
564 t.Fatalf("opencode-go/%s prices: %+v", tc.id, m)
565 }
566 if m.BaseURL != "https://opencode.ai/zen/go/v1" {
567 t.Fatalf("opencode-go/%s baseURL: %s", tc.id, m.BaseURL)
568 }
569 }
570
571 luna, err := FindModel("opencode-go", "gpt-5.6-luna")
572 if err != nil {
573 t.Fatal(err)
574 }
575 if luna.API != APIResponses || luna.PriceCacheWrite != 0.25 {
576 t.Fatalf("opencode-go/gpt-5.6-luna API or cache-write price: %+v", luna)
577 }
578 if luna.PriceTierInputTokens != 272000 || luna.PriceInputAbove != 0.4 || luna.PriceOutputAbove != 1.8 || luna.PriceCacheReadAbove != 0.04 || luna.PriceCacheWriteAbove != 0.5 {
579 t.Fatalf("opencode-go/gpt-5.6-luna long-context prices: %+v", luna)
580 }
581}
582
583// TestOpenAIOmitsZeroMaxTokens guards against sending max_tokens: 0 for
584// discovered models that don't advertise an output cap (MaxOutput == 0).
585func TestOpenAIOmitsZeroMaxTokens(t *testing.T) {
586 SetLiveModels([]Model{
587 {Provider: "openrouter", ID: "vendor/no-cap", DisplayName: "No Cap"},
588 {Provider: "openrouter", ID: "vendor/reason-no-cap", DisplayName: "Reason No Cap", Reasoning: true},
589 {Provider: "openrouter", ID: "vendor/capped", DisplayName: "Capped", MaxOutput: 4096},
590 })
591 defer SetLiveModels(nil)
592
593 c := NewOpenAI("x", "").(*openaiClient)
594
595 got, err := c.buildRequest(Request{Model: "vendor/no-cap"})
596 if err != nil {
597 t.Fatal(err)
598 }
599 if got.MaxTokens != nil {
600 t.Errorf("expected max_tokens omitted, got %d", *got.MaxTokens)
601 }
602
603 got, err = c.buildRequest(Request{Model: "vendor/reason-no-cap"})
604 if err != nil {
605 t.Fatal(err)
606 }
607 if got.MaxCompletionTok != nil {
608 t.Errorf("expected max_completion_tokens omitted, got %d", *got.MaxCompletionTok)
609 }
610
611 got, err = c.buildRequest(Request{Model: "vendor/capped"})
612 if err != nil {
613 t.Fatal(err)
614 }
615 if got.MaxTokens == nil || *got.MaxTokens != 4096 {
616 t.Errorf("expected max_tokens 4096, got %v", got.MaxTokens)
617 }
618}