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feat(openai): 支持messages模型映射与instructions模板注入

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This commit is contained in:
IanShaw027
2026-04-09 12:29:49 +08:00
parent 23c4d592f8
commit 4de4823a65
11 changed files with 326 additions and 47 deletions
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101
backend/internal/service/openai_compat_model_test.go
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@@ -6,9 +6,12 @@ import (
"io"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"strings"
"testing"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/Wei-Shaw/sub2api/internal/pkg/apicompat"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
@@ -127,3 +130,101 @@ func TestForwardAsAnthropic_NormalizesRoutingAndEffortForGpt54XHigh(t *testing.T
t.Logf("upstream body: %s", string(upstream.lastBody))
t.Logf("response body: %s", rec.Body.String())
}
func TestForwardAsAnthropic_ForcedCodexInstructionsTemplatePrependsRenderedInstructions(t *testing.T) {
t.Parallel()
gin.SetMode(gin.TestMode)
templateDir := t.TempDir()
templatePath := filepath.Join(templateDir, "codex-instructions.md.tmpl")
require.NoError(t, os.WriteFile(templatePath, []byte("server-prefix\n\n{{ .ExistingInstructions }}"), 0o644))
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
body := []byte(`{"model":"gpt-5.4","max_tokens":16,"system":"client-system","messages":[{"role":"user","content":"hello"}],"stream":false}`)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", bytes.NewReader(body))
c.Request.Header.Set("Content-Type", "application/json")
upstreamBody := strings.Join([]string{
`data: {"type":"response.completed","response":{"id":"resp_1","object":"response","model":"gpt-5.4","status":"completed","output":[{"type":"message","id":"msg_1","role":"assistant","status":"completed","content":[{"type":"output_text","text":"ok"}]}],"usage":{"input_tokens":5,"output_tokens":2,"total_tokens":7}}}`,
"",
"data: [DONE]",
"",
}, "\n")
upstream := &httpUpstreamRecorder{resp: &http.Response{
StatusCode: http.StatusOK,
Header: http.Header{"Content-Type": []string{"text/event-stream"}, "x-request-id": []string{"rid_forced"}},
Body: io.NopCloser(strings.NewReader(upstreamBody)),
}}
svc := &OpenAIGatewayService{
cfg: &config.Config{Gateway: config.GatewayConfig{
ForcedCodexInstructionsTemplateFile: templatePath,
ForcedCodexInstructionsTemplate: "server-prefix\n\n{{ .ExistingInstructions }}",
}},
httpUpstream: upstream,
}
account := &Account{
ID: 1,
Name: "openai-oauth",
Platform: PlatformOpenAI,
Type: AccountTypeOAuth,
Concurrency: 1,
Credentials: map[string]any{
"access_token": "oauth-token",
"chatgpt_account_id": "chatgpt-acc",
},
}
result, err := svc.ForwardAsAnthropic(context.Background(), c, account, body, "", "gpt-5.1")
require.NoError(t, err)
require.NotNil(t, result)
require.Equal(t, "server-prefix\n\nclient-system", gjson.GetBytes(upstream.lastBody, "instructions").String())
}
func TestForwardAsAnthropic_ForcedCodexInstructionsTemplateUsesCachedTemplateContent(t *testing.T) {
t.Parallel()
gin.SetMode(gin.TestMode)
rec := httptest.NewRecorder()
c, _ := gin.CreateTestContext(rec)
body := []byte(`{"model":"gpt-5.4","max_tokens":16,"system":"client-system","messages":[{"role":"user","content":"hello"}],"stream":false}`)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", bytes.NewReader(body))
c.Request.Header.Set("Content-Type", "application/json")
upstreamBody := strings.Join([]string{
`data: {"type":"response.completed","response":{"id":"resp_1","object":"response","model":"gpt-5.4","status":"completed","output":[{"type":"message","id":"msg_1","role":"assistant","status":"completed","content":[{"type":"output_text","text":"ok"}]}],"usage":{"input_tokens":5,"output_tokens":2,"total_tokens":7}}}`,
"",
"data: [DONE]",
"",
}, "\n")
upstream := &httpUpstreamRecorder{resp: &http.Response{
StatusCode: http.StatusOK,
Header: http.Header{"Content-Type": []string{"text/event-stream"}, "x-request-id": []string{"rid_forced_cached"}},
Body: io.NopCloser(strings.NewReader(upstreamBody)),
}}
svc := &OpenAIGatewayService{
cfg: &config.Config{Gateway: config.GatewayConfig{
ForcedCodexInstructionsTemplateFile: "/path/that/should/not/be/read.tmpl",
ForcedCodexInstructionsTemplate: "cached-prefix\n\n{{ .ExistingInstructions }}",
}},
httpUpstream: upstream,
}
account := &Account{
ID: 1,
Name: "openai-oauth",
Platform: PlatformOpenAI,
Type: AccountTypeOAuth,
Concurrency: 1,
Credentials: map[string]any{
"access_token": "oauth-token",
"chatgpt_account_id": "chatgpt-acc",
},
}
result, err := svc.ForwardAsAnthropic(context.Background(), c, account, body, "", "gpt-5.1")
require.NoError(t, err)
require.NotNil(t, result)
require.Equal(t, "cached-prefix\n\nclient-system", gjson.GetBytes(upstream.lastBody, "instructions").String())
}