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fix(grok): 纯客户端函数工具不再注入原生搜索工具

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Fixes #4486
This commit is contained in:
li
2026-07-17 16:59:40 +08:00
parent 8bfbc5ca99
commit 7043982ae3
4 changed files with 120 additions and 16 deletions
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backend/internal/service/openai_gateway_grok_cache.go
+7
View File
@@ -296,6 +296,13 @@ func appendMissingGrokFreeCacheNativeTools(body []byte) ([]byte, error) {
if !hasFunction {
return body, nil
}
// Only complement missing native search tools when the request already contains
// at least one search tool (native or function-form). Pure client function tools
// (e.g. view_image) must not trigger injection to avoid biasing model tool
// selection (#4486).
if !present["web_search"] && !present["x_search"] {
return body, nil
}
for _, toolType := range []string{"web_search", "x_search"} {
if present[toolType] {
continue
backend/internal/service/openai_gateway_grok_cache_test.go
+25 -15
View File
@@ -211,6 +211,7 @@ func TestApplyGrokCacheIdentityAppendsNativeToolsToResponseFunctions(t *testing.
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Pure client function tools without search → no native injection (#4486).
intentBody := []byte(`{"model":"grok","tools":[{"type":"function","name":"lookup","description":"look up a value","parameters":{"type":"object"}},{"type":"function","name":"save","parameters":{"type":"object"}}]` + tt.toolChoiceJSON + `}`)
body, err := applyGrokResponsesCacheIdentity(intentBody, intentBody, "isolated-id", true)
require.NoError(t, err)
@@ -219,28 +220,35 @@ func TestApplyGrokCacheIdentityAppendsNativeToolsToResponseFunctions(t *testing.
require.NoError(t, err)
require.Equal(t, "isolated-id", gjson.GetBytes(body, "prompt_cache_key").String())
tools := gjson.GetBytes(body, "tools").Array()
require.Len(t, tools, 4)
require.Len(t, tools, 2, "pure client functions should not get native search injected")
require.Equal(t, "function", tools[0].Get("type").String())
require.Equal(t, "lookup", tools[0].Get("name").String())
require.Equal(t, "function", tools[1].Get("type").String())
require.Equal(t, "save", tools[1].Get("name").String())
require.Equal(t, "web_search", tools[2].Get("type").String())
require.Equal(t, "x_search", tools[3].Get("type").String())
require.Equal(t, tt.wantChoice, gjson.GetBytes(body, "tool_choice").Exists())
if tt.wantChoice {
require.Equal(t, "auto", gjson.GetBytes(body, "tool_choice").String())
}
second, err := applyGrokResponsesCacheIdentity(body, intentBody, "isolated-id", true)
require.NoError(t, err)
second, err = applyGrokFreeMessagesFunctionToolCacheRoute(second, intentBody, account, "isolated-id")
require.NoError(t, err)
require.JSONEq(t, string(body), string(second), "native tools must not be duplicated")
require.Len(t, gjson.GetBytes(second, "tools").Array(), 4)
})
}
}
func TestApplyGrokCacheIdentityAppendsNativeToolsWhenSearchPresent(t *testing.T) {
account := healthyGrokOAuthGatewayTestAccount(901, "access-token")
account.Credentials["subscription_tier"] = " FREE "
// Function tools INCLUDING web_search → convert + complement with x_search.
intentBody := []byte(`{"model":"grok","tools":[{"type":"function","name":"lookup","description":"look up a value","parameters":{"type":"object"}},{"type":"function","name":"web_search","description":"search","parameters":{"type":"object"}}]}`)
body, err := applyGrokResponsesCacheIdentity(intentBody, intentBody, "isolated-id", true)
require.NoError(t, err)
body, err = applyGrokFreeMessagesFunctionToolCacheRoute(body, intentBody, account, "isolated-id")
require.NoError(t, err)
tools := gjson.GetBytes(body, "tools").Array()
require.Len(t, tools, 3, "lookup(function) + web_search(native) + x_search(native)")
require.Equal(t, "function", tools[0].Get("type").String())
require.Equal(t, "lookup", tools[0].Get("name").String())
require.Equal(t, "web_search", tools[1].Get("type").String())
require.Equal(t, "x_search", tools[2].Get("type").String())
}
func TestApplyGrokCacheIdentityRequiresPatchedFunctionTools(t *testing.T) {
account := healthyGrokOAuthGatewayTestAccount(902, "access-token")
account.Credentials["subscription_tier"] = "free"
@@ -272,7 +280,9 @@ func TestApplyGrokCacheIdentityRequiresPatchedFunctionTools(t *testing.T) {
}
func TestGrokFreeMessagesFunctionToolCacheRouteRequiresKnownFreeTier(t *testing.T) {
intentBody := []byte(`{"model":"grok","tools":[{"type":"function","name":"lookup"}],"tool_choice":"auto"}`)
// Include web_search as function to trigger native tool injection (pure client
// functions no longer trigger injection after #4486 fix).
intentBody := []byte(`{"model":"grok","tools":[{"type":"function","name":"lookup"},{"type":"function","name":"web_search"}],"tool_choice":"auto"}`)
tests := []struct {
name string
account *Account
@@ -382,7 +392,7 @@ func TestGrokFreeMessagesFunctionToolCacheRouteRequiresKnownFreeTier(t *testing.
require.Equal(t, "x_search", tools[2].Get("type").String())
return
}
require.Len(t, tools, 1)
require.Len(t, tools, 2, "non-free accounts should not get native search injected")
})
}
}
backend/internal/service/openai_gateway_grok_cache_tool_test.go
+87
View File
@@ -0,0 +1,87 @@
package service
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/tidwall/gjson"
)
func TestAppendMissingGrokFreeCacheNativeTools_PureClientFunctionNoInject(t *testing.T) {
body := []byte(`{
"model": "grok-4.5",
"tools": [
{"type":"function","name":"view_image","description":"View image","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}}
],
"tool_choice": "auto"
}`)
result, err := appendMissingGrokFreeCacheNativeTools(body)
require.NoError(t, err)
tools := gjson.GetBytes(result, "tools").Array()
for _, tool := range tools {
toolType := tool.Get("type").String()
assert.NotEqual(t, "web_search", toolType, "should not inject web_search for pure client functions")
assert.NotEqual(t, "x_search", toolType, "should not inject x_search for pure client functions")
}
}
func TestAppendMissingGrokFreeCacheNativeTools_FunctionPlusWebSearchInjects(t *testing.T) {
body := []byte(`{
"model": "grok-4.5",
"tools": [
{"type":"function","name":"view_image","description":"View","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}},
{"type":"function","name":"web_search","description":"Search","parameters":{"type":"object","properties":{"query":{"type":"string"}},"required":["query"]}}
]
}`)
result, err := appendMissingGrokFreeCacheNativeTools(body)
require.NoError(t, err)
tools := gjson.GetBytes(result, "tools").Array()
types := make(map[string]bool)
for _, tool := range tools {
types[tool.Get("type").String()] = true
}
assert.True(t, types["web_search"], "web_search should be present (converted from function)")
assert.True(t, types["x_search"], "x_search should be injected when web_search is present alongside client functions")
}
func TestAppendMissingGrokFreeCacheNativeTools_NativeSearchAlreadyPresent(t *testing.T) {
body := []byte(`{
"model": "grok-4.5",
"tools": [
{"type":"function","name":"view_image","description":"View","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}},
{"type":"web_search"}
]
}`)
result, err := appendMissingGrokFreeCacheNativeTools(body)
require.NoError(t, err)
tools := gjson.GetBytes(result, "tools").Array()
types := make(map[string]bool)
for _, tool := range tools {
types[tool.Get("type").String()] = true
}
assert.True(t, types["web_search"])
assert.True(t, types["x_search"], "x_search should be injected when web_search is already present")
}
func TestAppendMissingGrokFreeCacheNativeTools_MultipleFunctionsNoSearch(t *testing.T) {
body := []byte(`{
"model": "grok-4.5",
"tools": [
{"type":"function","name":"view_image","description":"View","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}},
{"type":"function","name":"read_file","description":"Read","parameters":{"type":"object","properties":{"path":{"type":"string"}},"required":["path"]}}
]
}`)
result, err := appendMissingGrokFreeCacheNativeTools(body)
require.NoError(t, err)
tools := gjson.GetBytes(result, "tools").Array()
require.Len(t, tools, 2, "no tools should be injected for pure client functions")
}
backend/internal/service/openai_gateway_grok_test.go
+1 -1
View File
@@ -1604,7 +1604,7 @@ func TestForwardAsAnthropicForGrokFunctionToolUsesCacheCapableMixedRoute(t *test
body := []byte(`{
"model":"grok","max_tokens":32,"stream":false,
"messages":[{"role":"user","content":"look up alpha"}],
"tools":[{"name":"lookup","description":"look up a key","input_schema":{"type":"object","properties":{"key":{"type":"string"}},"required":["key"]}}],
"tools":[{"name":"lookup","description":"look up a key","input_schema":{"type":"object","properties":{"key":{"type":"string"}},"required":["key"]}},{"name":"web_search","description":"search the web","input_schema":{"type":"object","properties":{"query":{"type":"string"}},"required":["query"]}}],
"tool_choice":{"type":"auto"}
}`)
c.Request = httptest.NewRequest(http.MethodPost, "/v1/messages", bytes.NewReader(body))