Files
sub2api/backend/internal/handler/gateway_handler_intercept_test.go
eyre 248236ce6d fix(gateway): 修复模拟响应使用 Bedrock msg_bdrk_ 格式,改为正宗 Anthropic msg_01 格式
问题:
探针拦截(suggestion mode / warmup / max_tokens=1 haiku)的模拟响应以及
Gemini/Antigravity 兼容层生成的 message ID 不符合 Anthropic 官方 API 格式,
容易被客户端识别为非正宗响应。

修复:
1. generateRealisticMsgID():msg_bdrk_ + 24字符 → msg_01 + 22位 Base62
   (与官方 API 返回的 msg_011CdS6b8gAhoKWdW9jE87Zs 格式一致)
2. 去掉固定的 msg_mock_suggestion / msg_mock_warmup,统一使用随机 ID
3. 流式响应格式对齐官方:
   - message_start 增加 stop_details/cache token 字段
   - content_block_start 字段顺序修正
   - message_delta.usage 只含 output_tokens
4. 非流式响应:增加 stop_details:null,移除非标准 total_tokens
5. Gemini Messages/ChatCompletions 兼容层:msg_ + hex → msg_01 + Base62
6. Antigravity response/stream transformer:msg_ + 12位 → msg_01 + 22位 Base62

验证方式:对照 Anthropic 官方 API 实际响应格式确认。
2026-07-27 15:20:03 +00:00

66 lines
1.8 KiB
Go

package handler
import (
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/require"
)
func TestDetectInterceptType_MaxTokensOneHaikuRequiresClaudeCodeClient(t *testing.T) {
body := []byte(`{"messages":[{"role":"user","content":[{"type":"text","text":"hello"}]}]}`)
notClaudeCode := detectInterceptType(body, "claude-haiku-4-5", 1, false)
require.Equal(t, InterceptTypeNone, notClaudeCode)
isClaudeCode := detectInterceptType(body, "claude-haiku-4-5", 1, true)
require.Equal(t, InterceptTypeMaxTokensOneHaiku, isClaudeCode)
}
func TestDetectInterceptType_SuggestionModeUnaffected(t *testing.T) {
body := []byte(`{
"messages":[{
"role":"user",
"content":[{"type":"text","text":"[SUGGESTION MODE:foo]"}]
}],
"system":[]
}`)
got := detectInterceptType(body, "claude-sonnet-4-5", 256, false)
require.Equal(t, InterceptTypeSuggestionMode, got)
}
func TestSendMockInterceptResponse_MaxTokensOneHaiku(t *testing.T) {
gin.SetMode(gin.TestMode)
rec := httptest.NewRecorder()
ctx, _ := gin.CreateTestContext(rec)
sendMockInterceptResponse(ctx, "claude-haiku-4-5", InterceptTypeMaxTokensOneHaiku)
require.Equal(t, http.StatusOK, rec.Code)
var response map[string]any
require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &response))
require.Equal(t, "max_tokens", response["stop_reason"])
id, ok := response["id"].(string)
require.True(t, ok)
require.True(t, strings.HasPrefix(id, "msg_01"))
content, ok := response["content"].([]any)
require.True(t, ok)
require.NotEmpty(t, content)
firstBlock, ok := content[0].(map[string]any)
require.True(t, ok)
require.Equal(t, "#", firstBlock["text"])
usage, ok := response["usage"].(map[string]any)
require.True(t, ok)
require.Equal(t, float64(1), usage["output_tokens"])
}