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ds2api/internal/httpapi/openai/history_split_test.go

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package openai
import (
"context"
"encoding/json"
"errors"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/go-chi/chi/v5"
"ds2api/internal/auth"
dsclient "ds2api/internal/deepseek/client"
"ds2api/internal/promptcompat"
"ds2api/internal/util"
)
func historySplitTestMessages() []any {
toolCalls := []any{
map[string]any{
"name": "search",
"arguments": map[string]any{"query": "docs"},
},
}
return []any{
map[string]any{"role": "system", "content": "system instructions"},
map[string]any{"role": "user", "content": "first user turn"},
map[string]any{
"role": "assistant",
"content": "",
"reasoning_content": "hidden reasoning",
"tool_calls": toolCalls,
},
map[string]any{
"role": "tool",
"name": "search",
"tool_call_id": "call-1",
"content": "tool result",
},
map[string]any{"role": "user", "content": "latest user turn"},
}
}
type streamStatusManagedAuthStub struct{}
func (streamStatusManagedAuthStub) Determine(_ *http.Request) (*auth.RequestAuth, error) {
return &auth.RequestAuth{
UseConfigToken: true,
DeepSeekToken: "managed-token",
CallerID: "caller:test",
AccountID: "acct:test",
TriedAccounts: map[string]bool{},
}, nil
}
func (streamStatusManagedAuthStub) DetermineCaller(_ *http.Request) (*auth.RequestAuth, error) {
return (&streamStatusManagedAuthStub{}).Determine(nil)
}
func (streamStatusManagedAuthStub) Release(_ *auth.RequestAuth) {}
func TestBuildOpenAICurrentInputContextTranscriptUsesNumberedHistorySections(t *testing.T) {
transcript := buildOpenAICurrentInputContextTranscript(historySplitTestMessages())
if strings.Contains(transcript, "[file content end]") || strings.Contains(transcript, "[file content begin]") || strings.Contains(transcript, "[file name]:") {
t.Fatalf("expected transcript without file wrapper tags, got %q", transcript)
}
if !strings.Contains(transcript, "# DS2API_HISTORY.txt") {
t.Fatalf("expected history transcript header, got %q", transcript)
}
if !strings.Contains(transcript, "Prior conversation history and tool progress.") {
t.Fatalf("expected history transcript description, got %q", transcript)
}
for _, want := range []string{
"=== 1. SYSTEM ===",
"=== 2. USER ===",
"=== 3. ASSISTANT ===",
"=== 4. TOOL ===",
"=== 5. USER ===",
"first user turn",
"tool result",
"latest user turn",
"[reasoning_content]",
"hidden reasoning",
"<DSMLtool_calls>",
} {
if !strings.Contains(transcript, want) {
t.Fatalf("expected transcript to contain %q, got %q", want, transcript)
}
}
}
func TestApplyCurrentInputFileSkipsShortInputWhenThresholdNotReached(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
currentInputMin: 10,
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-flash",
"messages": []any{
map[string]any{"role": "user", "content": "hello"},
},
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if len(ds.uploadCalls) != 0 {
t.Fatalf("expected no upload on first turn, got %d", len(ds.uploadCalls))
}
if out.FinalPrompt != stdReq.FinalPrompt {
t.Fatalf("expected prompt unchanged on first turn")
}
}
func TestApplyThinkingInjectionAppendsLatestUserPrompt(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
thinkingInjection: boolPtr(true),
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-flash",
"messages": []any{
map[string]any{"role": "user", "content": "hello"},
},
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply thinking injection failed: %v", err)
}
if len(ds.uploadCalls) != 0 {
t.Fatalf("expected no upload for first short turn, got %d", len(ds.uploadCalls))
}
if !strings.Contains(out.FinalPrompt, "hello\n\n"+promptcompat.ThinkingInjectionMarker) {
t.Fatalf("expected thinking injection after latest user message, got %s", out.FinalPrompt)
}
}
func TestApplyThinkingInjectionUsesCustomPrompt(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
thinkingInjection: boolPtr(true),
thinkingPrompt: "custom thinking format",
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-flash",
"messages": []any{
map[string]any{"role": "user", "content": "hello"},
},
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply thinking injection failed: %v", err)
}
if !strings.Contains(out.FinalPrompt, "hello\n\ncustom thinking format") {
t.Fatalf("expected custom thinking injection after latest user message, got %s", out.FinalPrompt)
}
}
func TestApplyCurrentInputFileDisabledPassThrough(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: false,
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-vision",
"messages": historySplitTestMessages(),
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if len(ds.uploadCalls) != 0 {
t.Fatalf("expected no uploads when both split modes are disabled, got %d", len(ds.uploadCalls))
}
if out.CurrentInputFileApplied || out.HistoryText != "" {
t.Fatalf("expected direct pass-through, got current_input=%v history=%q", out.CurrentInputFileApplied, out.HistoryText)
}
if !strings.Contains(out.FinalPrompt, "first user turn") || !strings.Contains(out.FinalPrompt, "latest user turn") {
t.Fatalf("expected original prompt context to stay inline, got %s", out.FinalPrompt)
}
}
func TestApplyCurrentInputFileUploadsFirstTurnWithNumberedHistoryTranscript(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
currentInputMin: 10,
thinkingInjection: boolPtr(true),
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-flash",
"messages": []any{
map[string]any{"role": "user", "content": "first turn content that is long enough"},
},
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected 1 current input upload, got %d", len(ds.uploadCalls))
}
upload := ds.uploadCalls[0]
if upload.Filename != "DS2API_HISTORY.txt" {
t.Fatalf("unexpected upload filename: %q", upload.Filename)
}
uploadedText := string(upload.Data)
if strings.Contains(uploadedText, "[file content end]") || strings.Contains(uploadedText, "[file content begin]") || strings.Contains(uploadedText, "[file name]:") {
t.Fatalf("expected uploaded transcript without file wrapper tags, got %q", uploadedText)
}
for _, want := range []string{
"# DS2API_HISTORY.txt",
"=== 1. USER ===",
"first turn content that is long enough",
} {
if !strings.Contains(uploadedText, want) {
t.Fatalf("expected uploaded transcript to contain %q, got %q", want, uploadedText)
}
}
if !strings.Contains(uploadedText, promptcompat.ThinkingInjectionMarker) {
t.Fatalf("expected thinking injection in current input file, got %q", uploadedText)
}
if strings.Contains(out.FinalPrompt, "first turn content that is long enough") {
t.Fatalf("expected current input text to be replaced in live prompt, got %s", out.FinalPrompt)
}
if strings.Contains(out.FinalPrompt, "CURRENT_USER_INPUT.txt") || strings.Contains(out.FinalPrompt, "Read that file") {
t.Fatalf("expected live prompt not to instruct file reads, got %s", out.FinalPrompt)
}
if !strings.Contains(out.FinalPrompt, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") {
t.Fatalf("expected continuation-oriented prompt in live prompt, got %s", out.FinalPrompt)
}
if len(out.RefFileIDs) != 1 || out.RefFileIDs[0] != "file-inline-1" {
t.Fatalf("expected current input file id in ref_file_ids, got %#v", out.RefFileIDs)
}
if !strings.Contains(out.PromptTokenText, "first turn content that is long enough") {
t.Fatalf("expected prompt token text to preserve original full context, got %q", out.PromptTokenText)
}
if !strings.Contains(out.PromptTokenText, "# DS2API_HISTORY.txt") || !strings.Contains(out.PromptTokenText, "=== 1. USER ===") {
t.Fatalf("expected prompt token text to include numbered history transcript, got %q", out.PromptTokenText)
}
}
func TestApplyCurrentInputFilePreservesFullContextPromptForTokenCounting(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
currentInputMin: 0,
thinkingInjection: boolPtr(true),
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-vision",
"messages": historySplitTestMessages(),
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if out.FinalPrompt == stdReq.FinalPrompt {
t.Fatalf("expected live prompt to be rewritten after current input file")
}
// PromptTokenText must include the uploaded file content (which contains the full context)
// plus the neutral live prompt — reflecting the actual downstream token cost.
if !strings.Contains(out.PromptTokenText, "first user turn") || !strings.Contains(out.PromptTokenText, "latest user turn") {
t.Fatalf("expected prompt token text to contain file context with full conversation, got %q", out.PromptTokenText)
}
if strings.Contains(out.PromptTokenText, "[file content end]") || strings.Contains(out.PromptTokenText, "[file name]:") {
t.Fatalf("expected prompt token text to omit file wrapper tags, got %q", out.PromptTokenText)
}
if !strings.Contains(out.PromptTokenText, "# DS2API_HISTORY.txt") || !strings.Contains(out.PromptTokenText, "=== 1. SYSTEM ===") {
t.Fatalf("expected prompt token text to include numbered history transcript, got %q", out.PromptTokenText)
}
if !strings.Contains(out.PromptTokenText, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") {
t.Fatalf("expected prompt token text to also include continuation prompt, got %q", out.PromptTokenText)
}
if strings.Contains(out.FinalPrompt, "first user turn") || strings.Contains(out.FinalPrompt, "latest user turn") {
t.Fatalf("expected live prompt to hide original turns, got %q", out.FinalPrompt)
}
}
func TestApplyCurrentInputFileUploadsFullContextFile(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
currentInputMin: 0,
thinkingInjection: boolPtr(true),
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-vision",
"messages": historySplitTestMessages(),
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if !out.CurrentInputFileApplied {
t.Fatalf("expected current input file to apply")
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected one current input upload, got %d", len(ds.uploadCalls))
}
upload := ds.uploadCalls[0]
if upload.Filename != "DS2API_HISTORY.txt" {
t.Fatalf("expected DS2API_HISTORY.txt upload, got %q", upload.Filename)
}
if upload.ModelType != "vision" {
t.Fatalf("expected vision model type for vision request, got %q", upload.ModelType)
}
uploadedText := string(upload.Data)
for _, want := range []string{"# DS2API_HISTORY.txt", "=== 1. SYSTEM ===", "=== 2. USER ===", "=== 3. ASSISTANT ===", "=== 4. TOOL ===", "=== 5. USER ===", "system instructions", "first user turn", "hidden reasoning", "tool result", "latest user turn", promptcompat.ThinkingInjectionMarker} {
if !strings.Contains(uploadedText, want) {
t.Fatalf("expected full context file to contain %q, got %q", want, uploadedText)
}
}
if strings.Contains(out.FinalPrompt, "first user turn") || strings.Contains(out.FinalPrompt, "latest user turn") || strings.Contains(out.FinalPrompt, "CURRENT_USER_INPUT.txt") || strings.Contains(out.FinalPrompt, "Read that file") {
t.Fatalf("expected live prompt to use only a continuation instruction, got %s", out.FinalPrompt)
}
if !strings.Contains(out.FinalPrompt, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") {
t.Fatalf("expected continuation-oriented prompt in live prompt, got %s", out.FinalPrompt)
}
}
func TestApplyCurrentInputFileCarriesHistoryText(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
DS: ds,
}
req := map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
}
stdReq, err := promptcompat.NormalizeOpenAIChatRequest(h.Store, req, "")
if err != nil {
t.Fatalf("normalize failed: %v", err)
}
out, err := h.applyCurrentInputFile(context.Background(), &auth.RequestAuth{DeepSeekToken: "token"}, stdReq)
if err != nil {
t.Fatalf("apply current input file failed: %v", err)
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected 1 upload call, got %d", len(ds.uploadCalls))
}
if out.HistoryText != string(ds.uploadCalls[0].Data) {
t.Fatalf("expected current input file flow to preserve uploaded text in history, got %q", out.HistoryText)
}
if !strings.Contains(out.HistoryText, "# DS2API_HISTORY.txt") || !strings.Contains(out.HistoryText, "=== 1. SYSTEM ===") {
t.Fatalf("expected history text to use numbered transcript format, got %q", out.HistoryText)
}
}
func TestChatCompletionsCurrentInputFileUploadsContextAndKeepsNeutralPrompt(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
Auth: streamStatusAuthStub{},
DS: ds,
}
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/chat/completions", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer direct-token")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
h.ChatCompletions(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("expected 200, got %d body=%s", rec.Code, rec.Body.String())
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected 1 upload call, got %d", len(ds.uploadCalls))
}
upload := ds.uploadCalls[0]
if upload.Filename != "DS2API_HISTORY.txt" {
t.Fatalf("unexpected upload filename: %q", upload.Filename)
}
if upload.Purpose != "assistants" {
t.Fatalf("unexpected purpose: %q", upload.Purpose)
}
historyText := string(upload.Data)
if strings.Contains(historyText, "[file content end]") || strings.Contains(historyText, "[file content begin]") || strings.Contains(historyText, "[file name]:") {
t.Fatalf("expected history transcript without file wrapper tags, got %s", historyText)
}
if !strings.Contains(historyText, "# DS2API_HISTORY.txt") || !strings.Contains(historyText, "=== 1. SYSTEM ===") {
t.Fatalf("expected history transcript to use numbered sections, got %s", historyText)
}
if !strings.Contains(historyText, "latest user turn") {
t.Fatalf("expected full context to include latest turn, got %s", historyText)
}
if ds.completionReq == nil {
t.Fatal("expected completion payload to be captured")
}
promptText, _ := ds.completionReq["prompt"].(string)
if !strings.Contains(promptText, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") {
t.Fatalf("expected continuation-oriented prompt, got %s", promptText)
}
if strings.Contains(promptText, "first user turn") || strings.Contains(promptText, "latest user turn") {
t.Fatalf("expected prompt to hide original turns, got %s", promptText)
}
refIDs, _ := ds.completionReq["ref_file_ids"].([]any)
if len(refIDs) == 0 || refIDs[0] != "file-inline-1" {
t.Fatalf("expected uploaded current input file to be first ref_file_id, got %#v", ds.completionReq["ref_file_ids"])
}
var body map[string]any
if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
t.Fatalf("decode response failed: %v", err)
}
usage, _ := body["usage"].(map[string]any)
promptTokens := int(usage["prompt_tokens"].(float64))
neutralCount := util.CountPromptTokens(promptText, "deepseek-v4-flash")
if promptTokens <= neutralCount {
t.Fatalf("expected prompt_tokens to exceed neutral live prompt count (includes file context), got=%d neutral=%d", promptTokens, neutralCount)
}
}
func TestResponsesCurrentInputFileUploadsContextAndKeepsNeutralPrompt(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
Auth: streamStatusAuthStub{},
DS: ds,
}
r := chi.NewRouter()
registerOpenAITestRoutes(r, h)
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/responses", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer direct-token")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
r.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("expected 200, got %d body=%s", rec.Code, rec.Body.String())
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected 1 upload call, got %d", len(ds.uploadCalls))
}
historyText := string(ds.uploadCalls[0].Data)
if !strings.Contains(historyText, "# DS2API_HISTORY.txt") || !strings.Contains(historyText, "=== 1. SYSTEM ===") {
t.Fatalf("expected uploaded history text to use numbered transcript format, got %s", historyText)
}
if ds.completionReq == nil {
t.Fatal("expected completion payload to be captured")
}
promptText, _ := ds.completionReq["prompt"].(string)
if !strings.Contains(promptText, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") {
t.Fatalf("expected continuation-oriented prompt, got %s", promptText)
}
if strings.Contains(promptText, "first user turn") || strings.Contains(promptText, "latest user turn") {
t.Fatalf("expected prompt to hide original turns, got %s", promptText)
}
var body map[string]any
if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
t.Fatalf("decode response failed: %v", err)
}
usage, _ := body["usage"].(map[string]any)
inputTokens := int(usage["input_tokens"].(float64))
neutralCount := util.CountPromptTokens(promptText, "deepseek-v4-flash")
if inputTokens <= neutralCount {
t.Fatalf("expected input_tokens to exceed neutral live prompt count (includes file context), got=%d neutral=%d", inputTokens, neutralCount)
}
}
func TestChatCompletionsCurrentInputFileMapsManagedAuthFailureTo401(t *testing.T) {
ds := &inlineUploadDSStub{
uploadErr: &dsclient.RequestFailure{Op: "upload file", Kind: dsclient.FailureManagedUnauthorized, Message: "expired token"},
}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
Auth: streamStatusManagedAuthStub{},
DS: ds,
}
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/chat/completions", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer managed-key")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
h.ChatCompletions(rec, req)
if rec.Code != http.StatusUnauthorized {
t.Fatalf("expected 401, got %d body=%s", rec.Code, rec.Body.String())
}
if !strings.Contains(rec.Body.String(), "Please re-login the account in admin") {
t.Fatalf("expected managed auth error message, got %s", rec.Body.String())
}
}
func TestResponsesCurrentInputFileMapsDirectAuthFailureTo401(t *testing.T) {
ds := &inlineUploadDSStub{
uploadErr: &dsclient.RequestFailure{Op: "upload file", Kind: dsclient.FailureDirectUnauthorized, Message: "invalid token"},
}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
Auth: streamStatusAuthStub{},
DS: ds,
}
r := chi.NewRouter()
registerOpenAITestRoutes(r, h)
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/responses", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer direct-token")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
r.ServeHTTP(rec, req)
if rec.Code != http.StatusUnauthorized {
t.Fatalf("expected 401, got %d body=%s", rec.Code, rec.Body.String())
}
if !strings.Contains(rec.Body.String(), "Invalid token") {
t.Fatalf("expected direct auth error message, got %s", rec.Body.String())
}
}
func TestChatCompletionsCurrentInputFileUploadFailureReturnsInternalServerError(t *testing.T) {
ds := &inlineUploadDSStub{uploadErr: errors.New("boom")}
h := &openAITestSurface{
Store: mockOpenAIConfig{
currentInputEnabled: true,
},
Auth: streamStatusAuthStub{},
DS: ds,
}
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/chat/completions", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer direct-token")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
h.ChatCompletions(rec, req)
if rec.Code != http.StatusInternalServerError {
t.Fatalf("expected 500, got %d body=%s", rec.Code, rec.Body.String())
}
}
func TestCurrentInputFileWorksAcrossAutoDeleteModes(t *testing.T) {
for _, mode := range []string{"none", "single", "all"} {
t.Run(mode, func(t *testing.T) {
ds := &inlineUploadDSStub{}
h := &openAITestSurface{
Store: mockOpenAIConfig{
autoDeleteMode: mode,
currentInputEnabled: true,
},
Auth: streamStatusAuthStub{},
DS: ds,
}
reqBody, _ := json.Marshal(map[string]any{
"model": "deepseek-v4-flash",
"messages": historySplitTestMessages(),
"stream": false,
})
req := httptest.NewRequest(http.MethodPost, "/v1/chat/completions", strings.NewReader(string(reqBody)))
req.Header.Set("Authorization", "Bearer direct-token")
req.Header.Set("Content-Type", "application/json")
rec := httptest.NewRecorder()
h.ChatCompletions(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("expected 200, got %d body=%s", rec.Code, rec.Body.String())
}
if len(ds.uploadCalls) != 1 {
t.Fatalf("expected current input upload for mode=%s, got %d", mode, len(ds.uploadCalls))
}
historyText := string(ds.uploadCalls[0].Data)
if !strings.Contains(historyText, "# DS2API_HISTORY.txt") || !strings.Contains(historyText, "=== 1. SYSTEM ===") {
t.Fatalf("expected uploaded history text to use numbered transcript format, got %s", historyText)
}
if ds.completionReq == nil {
t.Fatalf("expected completion payload for mode=%s", mode)
}
promptText, _ := ds.completionReq["prompt"].(string)
if !strings.Contains(promptText, "Continue from the latest state in the attached DS2API_HISTORY.txt context.") || strings.Contains(promptText, "first user turn") || strings.Contains(promptText, "latest user turn") {
t.Fatalf("unexpected prompt for mode=%s: %s", mode, promptText)
}
})
}
}
func boolPtr(v bool) *bool {
return &v
}