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sub2api/backend/internal/pkg/apicompat/responses_client_tools_test.go
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Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
2026-08-21 18:30:13 +08:00

643 lines
30 KiB
Go

package apicompat
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/require"
"github.com/tidwall/gjson"
)
func TestAdaptResponsesClientTools_LowersDeclarationsHistoryChoiceAndNamespaces(t *testing.T) {
req := map[string]any{
"tools": []any{
map[string]any{"type": "custom", "name": "exec", "format": map[string]any{"type": "grammar"}},
map[string]any{"type": "tool_search"},
map[string]any{"type": "namespace", "name": "team", "tools": []any{map[string]any{"type": "function", "name": "send"}}},
},
"tool_choice": map[string]any{"type": "custom", "name": "exec"},
"input": []any{
map[string]any{"type": "custom_tool_call", "id": "ctc_client", "call_id": "c1", "name": "exec", "input": "dir"},
map[string]any{"type": "custom_tool_call_output", "id": "ctco_client", "call_id": "c1", "output": "ok"},
map[string]any{"type": "tool_search_call", "id": "tsc_client", "call_id": "s1", "arguments": map[string]any{"query": "git"}},
map[string]any{"type": "tool_search_output", "id": "tso_client", "call_id": "s1", "output": map[string]any{"groups": []string{"git"}}},
map[string]any{"type": "function_call", "call_id": "n1", "namespace": "team", "name": "send", "arguments": "{}"},
},
}
mapping, changed, err := AdaptResponsesClientTools(req)
require.NoError(t, err)
require.True(t, changed)
require.True(t, mapping.CustomTools["exec"])
require.True(t, mapping.ToolSearch)
require.Equal(t, ResponsesNamespaceName{Namespace: "team", Name: "send"}, mapping.NamespaceTools["team__send"])
tools := requireResponsesClientToolValue[[]any](t, req["tools"])
require.Len(t, tools, 3)
exec := requireResponsesClientToolValue[map[string]any](t, tools[0])
require.Equal(t, "function", exec["type"])
parameters := requireResponsesClientToolValue[json.RawMessage](t, exec["parameters"])
require.JSONEq(t, customToolInputSchema, string(parameters))
search := requireResponsesClientToolValue[map[string]any](t, tools[1])
require.Equal(t, toolSearchProxyName, search["name"])
namespaceTool := requireResponsesClientToolValue[map[string]any](t, tools[2])
require.Equal(t, "team__send", namespaceTool["name"])
choice := requireResponsesClientToolValue[map[string]any](t, req["tool_choice"])
require.Equal(t, "function", choice["type"])
input := requireResponsesClientToolValue[[]any](t, req["input"])
customCall := requireResponsesClientToolValue[map[string]any](t, input[0])
require.Equal(t, "function_call", customCall["type"])
require.NotContains(t, customCall, "id")
require.JSONEq(t, `{"input":"dir"}`, requireResponsesClientToolValue[string](t, customCall["arguments"]))
customOutput := requireResponsesClientToolValue[map[string]any](t, input[1])
require.Equal(t, "function_call_output", customOutput["type"])
require.NotContains(t, customOutput, "id")
searchCall := requireResponsesClientToolValue[map[string]any](t, input[2])
require.Equal(t, "function_call", searchCall["type"])
require.NotContains(t, searchCall, "id")
require.Equal(t, toolSearchProxyName, searchCall["name"])
require.JSONEq(t, `{"query":"git"}`, requireResponsesClientToolValue[string](t, searchCall["arguments"]))
searchOutput := requireResponsesClientToolValue[map[string]any](t, input[3])
require.Equal(t, "function_call_output", searchOutput["type"])
require.NotContains(t, searchOutput, "id")
require.JSONEq(t, `{"groups":["git"]}`, requireResponsesClientToolValue[string](t, searchOutput["output"]))
namespaceCall := requireResponsesClientToolValue[map[string]any](t, input[4])
require.Equal(t, "team__send", namespaceCall["name"])
}
func TestAdaptResponsesClientTools_LowersDiscoveredToolSearchOutput(t *testing.T) {
requestJSON := `{
"tools":[{"type":"tool_search"}],
"input":[
{"type":"tool_search_call","id":"tsc_client","call_id":"call_search","arguments":{"query":"codex app"},"execution":"client","status":"completed"},
{"type":"tool_search_output","id":"tso_client","call_id":"call_search","execution":"client","status":"completed","tools":[
{"type":"namespace","name":"codex_app","tools":[{"type":"function","name":"load_workspace_dependencies","description":"Load workspace dependencies","parameters":{"type":"object","properties":{},"additionalProperties":false}}]},
{"type":"namespace","name":"multi_agent_v1","tools":[
{"type":"function","name":"spawn_agent","description":"Spawn an agent","parameters":{"type":"object","properties":{"message":{"type":"string"}},"required":["message"],"additionalProperties":false}},
{"type":"function","name":"wait_agent","description":"Wait for agents","parameters":{"type":"object","properties":{},"additionalProperties":false}}
]}
]}
]
}`
type adaptedRequest struct {
req map[string]any
mapping ResponsesClientToolMapping
}
adapt := func() adaptedRequest {
var req map[string]any
require.NoError(t, json.Unmarshal([]byte(requestJSON), &req))
mapping, changed, err := AdaptResponsesClientTools(req)
require.NoError(t, err)
require.True(t, changed)
return adaptedRequest{req: req, mapping: mapping}
}
first := adapt()
second := adapt()
firstInput := requireResponsesClientToolValue[[]any](t, first.req["input"])
secondInput := requireResponsesClientToolValue[[]any](t, second.req["input"])
tools := requireResponsesClientToolValue[[]any](t, first.req["tools"])
require.Len(t, tools, 4)
require.Equal(t, []string{
"tool_search",
"codex_app__load_workspace_dependencies",
"multi_agent_v1__spawn_agent",
"multi_agent_v1__wait_agent",
}, responsesClientToolNames(t, tools))
require.Equal(t, ResponsesNamespaceName{Namespace: "multi_agent_v1", Name: "spawn_agent"}, first.mapping.NamespaceTools["multi_agent_v1__spawn_agent"])
require.Equal(t, ResponsesNamespaceName{Namespace: "multi_agent_v1", Name: "wait_agent"}, first.mapping.NamespaceTools["multi_agent_v1__wait_agent"])
call := requireResponsesClientToolValue[map[string]any](t, firstInput[0])
require.Equal(t, "function_call", call["type"])
require.Equal(t, toolSearchProxyName, call["name"])
require.JSONEq(t, `{"query":"codex app"}`, requireResponsesClientToolValue[string](t, call["arguments"]))
require.NotContains(t, call, "execution")
output := requireResponsesClientToolValue[map[string]any](t, firstInput[1])
require.Equal(t, map[string]any{
"type": "function_call_output",
"call_id": "call_search",
"output": output["output"],
}, output)
outputText := requireResponsesClientToolValue[string](t, output["output"])
require.JSONEq(t, `[
{"type":"namespace","name":"codex_app","tools":[{"type":"function","name":"load_workspace_dependencies","description":"Load workspace dependencies","parameters":{"type":"object","properties":{},"additionalProperties":false}}]},
{"type":"namespace","name":"multi_agent_v1","tools":[
{"type":"function","name":"spawn_agent","description":"Spawn an agent","parameters":{"type":"object","properties":{"message":{"type":"string"}},"required":["message"],"additionalProperties":false}},
{"type":"function","name":"wait_agent","description":"Wait for agents","parameters":{"type":"object","properties":{},"additionalProperties":false}}
]}
]`, outputText)
secondOutput := requireResponsesClientToolValue[map[string]any](t, secondInput[1])
require.Equal(t, outputText, secondOutput["output"], "tool discovery output encoding must be deterministic")
restored, changed, err := RestoreResponsesClientToolPayload(
[]byte(`{"output":[{"type":"function_call","name":"multi_agent_v1__spawn_agent","call_id":"call_spawn","arguments":"{\"message\":\"work\"}"}]}`),
first.mapping,
)
require.NoError(t, err)
require.True(t, changed)
require.JSONEq(t, `{"output":[{"type":"function_call","name":"spawn_agent","namespace":"multi_agent_v1","call_id":"call_spawn","arguments":"{\"message\":\"work\"}"}]}`, string(restored))
}
func TestAdaptResponsesClientTools_PromotesDirectDiscoveryAndDeduplicatesIdenticalDeclarations(t *testing.T) {
direct := map[string]any{
"type": "function", "name": "inspect_result", "description": "Inspect a result",
"parameters": map[string]any{"type": "object", "properties": map[string]any{}},
}
custom := map[string]any{
"type": "custom", "name": "run_script", "description": "Run a script",
"format": map[string]any{"type": "grammar"},
}
namespace := map[string]any{
"type": "namespace", "name": "multi_agent_v1", "tools": []any{map[string]any{
"type": "function", "name": "spawn_agent", "parameters": map[string]any{"type": "object"},
}},
}
req := map[string]any{
"tools": []any{
map[string]any{"type": "function", "name": "static_first", "parameters": map[string]any{"type": "object"}},
map[string]any{"type": "tool_search"},
},
"input": []any{
map[string]any{"type": "tool_search_output", "status": "completed", "call_id": "search_1", "tools": []any{direct, custom, namespace}},
map[string]any{"type": "tool_search_output", "status": "completed", "call_id": "search_2", "tools": []any{copyClientTool(direct), copyClientTool(custom), copyClientTool(namespace)}},
},
}
mapping, changed, err := AdaptResponsesClientTools(req)
require.NoError(t, err)
require.True(t, changed)
require.True(t, mapping.CustomTools["run_script"])
require.Equal(t, ResponsesNamespaceName{Namespace: "multi_agent_v1", Name: "spawn_agent"}, mapping.NamespaceTools["multi_agent_v1__spawn_agent"])
tools := requireResponsesClientToolValue[[]any](t, req["tools"])
require.Equal(t, []string{"static_first", "tool_search", "inspect_result", "run_script", "multi_agent_v1__spawn_agent"}, responsesClientToolNames(t, tools))
customTool := requireResponsesClientToolValue[map[string]any](t, tools[3])
require.Equal(t, "function", customTool["type"])
require.NotContains(t, customTool, "format")
for _, raw := range requireResponsesClientToolValue[[]any](t, req["input"]) {
item := requireResponsesClientToolValue[map[string]any](t, raw)
require.Equal(t, "function_call_output", item["type"])
require.NotContains(t, item, "tools")
require.NotContains(t, item, "status")
}
}
func TestAdaptResponsesClientTools_RejectsDiscoveredSchemaAndNamespaceCollisions(t *testing.T) {
tests := []struct {
name string
staticTools []any
discovered []any
}{
{
name: "direct schema collision",
staticTools: []any{map[string]any{
"type": "function", "name": "inspect", "parameters": map[string]any{"type": "object"},
}},
discovered: []any{map[string]any{
"type": "function", "name": "inspect", "parameters": map[string]any{"type": "string"},
}},
},
{
name: "namespace schema collision",
staticTools: []any{map[string]any{
"type": "namespace", "name": "multi_agent_v1", "tools": []any{map[string]any{
"type": "function", "name": "spawn_agent", "parameters": map[string]any{"type": "object"},
}},
}},
discovered: []any{map[string]any{
"type": "namespace", "name": "multi_agent_v1", "tools": []any{map[string]any{
"type": "function", "name": "spawn_agent", "parameters": map[string]any{"type": "string"},
}},
}},
},
{
name: "flattened namespace collision",
staticTools: []any{map[string]any{"type": "function", "name": "multi_agent_v1__spawn_agent"}},
discovered: []any{map[string]any{
"type": "namespace", "name": "multi_agent_v1", "tools": []any{map[string]any{"type": "function", "name": "spawn_agent"}},
}},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req := map[string]any{
"tools": append(tt.staticTools, map[string]any{"type": "tool_search"}),
"input": []any{map[string]any{
"type": "tool_search_output", "status": "completed", "tools": tt.discovered,
}},
}
_, _, err := AdaptResponsesClientTools(req)
require.ErrorContains(t, err, "conflicts")
})
}
}
func TestAdaptResponsesClientTools_DoesNotPromoteUnusableDiscoveries(t *testing.T) {
req := map[string]any{
"tools": []any{map[string]any{"type": "tool_search"}},
"input": []any{
map[string]any{"type": "tool_search_output", "call_id": "search_in_progress", "status": "in_progress", "tools": []any{map[string]any{"type": "function", "name": "not_ready"}}},
map[string]any{"type": "tool_search_output", "call_id": "search_malformed", "status": "completed", "tools": []any{map[string]any{"type": "function"}}},
},
}
_, changed, err := AdaptResponsesClientTools(req)
require.NoError(t, err)
require.True(t, changed, "the static tool_search declaration is still lowered")
tools := requireResponsesClientToolValue[[]any](t, req["tools"])
require.Equal(t, []string{"tool_search"}, responsesClientToolNames(t, tools))
}
func responsesClientToolNames(t *testing.T, tools []any) []string {
t.Helper()
names := make([]string, 0, len(tools))
for _, raw := range tools {
tool := requireResponsesClientToolValue[map[string]any](t, raw)
names = append(names, requireResponsesClientToolValue[string](t, tool["name"]))
}
return names
}
func TestAdaptResponsesClientTools_ToolSearchOutputEdgeCases(t *testing.T) {
unencodableOutput := make(chan struct{})
tests := []struct {
name string
item map[string]any
wantOutput any
wantOutputExists bool
wantPrivateKeys []string
wantExactOutput bool
wantErr bool
}{
{
name: "absent tools and output is rejected",
item: map[string]any{"type": "tool_search_output", "call_id": "call_empty", "status": "completed"},
wantOutputExists: false,
wantErr: true,
},
{
name: "preexisting string output wins",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_legacy", "output": "legacy",
"tools": []any{map[string]any{"type": "function", "name": "ignored"}}, "execution": "client",
},
wantOutput: "legacy",
wantOutputExists: true,
wantExactOutput: true,
},
{
name: "preexisting object output remains legacy representation",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_object", "output": map[string]any{"groups": []any{"github"}},
"tools": []any{map[string]any{"type": "function", "name": "ignored"}},
},
wantOutput: `{"groups":["github"]}`,
wantOutputExists: true,
wantExactOutput: true,
},
{
name: "unencodable preexisting output is rejected",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_bad_output", "output": unencodableOutput,
"tools": []any{map[string]any{"type": "function", "name": "retained"}}, "status": "completed", "execution": "client",
},
wantOutput: unencodableOutput,
wantErr: true,
},
{
name: "empty tools array is a valid empty output",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_empty_tools",
"tools": []any{}, "status": "completed", "execution": "client",
},
wantOutput: `[]`,
wantOutputExists: true,
wantExactOutput: true,
},
{
name: "non-array tools value is serialized directly",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_malformed",
"tools": map[string]any{"unexpected": true}, "status": "completed", "execution": "client",
},
wantOutput: `{"unexpected":true}`,
wantOutputExists: true,
wantExactOutput: true,
},
{
name: "unencodable tools is rejected",
item: map[string]any{
"type": "tool_search_output", "call_id": "call_unencodable", "tools": make(chan struct{}), "status": "completed",
},
wantErr: true,
},
{
name: "missing call id is rejected",
item: map[string]any{
"type": "tool_search_output", "tools": []any{}, "status": "completed",
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req := map[string]any{
"tools": []any{map[string]any{"type": "tool_search"}},
"input": []any{tt.item},
}
_, changed, err := AdaptResponsesClientTools(req)
if tt.wantErr {
require.Error(t, err)
return
}
require.NoError(t, err)
require.True(t, changed)
input := requireResponsesClientToolValue[[]any](t, req["input"])
output := requireResponsesClientToolValue[map[string]any](t, input[0])
require.Equal(t, "function_call_output", output["type"])
actualOutput, outputExists := output["output"]
require.Equal(t, tt.wantOutputExists, outputExists)
if tt.wantOutputExists {
require.Equal(t, tt.wantOutput, actualOutput)
}
if tt.wantExactOutput {
require.Equal(t, map[string]any{
"type": "function_call_output",
"call_id": output["call_id"],
"output": tt.wantOutput,
}, output)
}
if len(tt.wantPrivateKeys) > 0 {
for _, key := range tt.wantPrivateKeys {
require.Contains(t, output, key)
}
} else {
require.NotContains(t, output, "tools")
require.NotContains(t, output, "status")
require.NotContains(t, output, "execution")
}
})
}
}
func requireResponsesClientToolValue[T any](t *testing.T, value any) T {
t.Helper()
typed, ok := value.(T)
require.True(t, ok, "unexpected value type %T", value)
return typed
}
func TestAdaptResponsesClientTools_RejectsAmbiguousNames(t *testing.T) {
cases := []map[string]any{
{"tools": []any{map[string]any{"type": "custom", "name": "same"}, map[string]any{"type": "function", "name": "same"}}},
{"tools": []any{map[string]any{"type": "tool_search"}, map[string]any{"type": "function", "name": "tool_search"}}},
{"tools": []any{map[string]any{"type": "function", "name": "team__send"}, map[string]any{"type": "namespace", "name": "team", "tools": []any{map[string]any{"type": "function", "name": "send"}}}}},
}
for _, req := range cases {
_, _, err := AdaptResponsesClientTools(req)
require.Error(t, err)
}
}
func TestAdaptResponsesClientToolsWithInheritedMapping_LowersFollowupHistoryWithoutTools(t *testing.T) {
req := map[string]any{
"input": []any{
map[string]any{
"type": "custom_tool_call", "name": "exec",
"call_id": "call_1", "input": "pwd",
},
map[string]any{
"type": "custom_tool_call_output", "call_id": "call_1",
"id": "ctco_client_output_1",
"output": []any{map[string]any{"type": "input_text", "text": "ok"}},
},
},
}
inherited := ResponsesClientToolMapping{CustomTools: map[string]bool{"exec": true}}
mapping, changed, err := AdaptResponsesClientToolsWithInheritedMapping(req, inherited)
require.NoError(t, err)
require.True(t, changed)
require.Equal(t, inherited, mapping)
items := requireResponsesClientToolValue[[]any](t, req["input"])
call := requireResponsesClientToolValue[map[string]any](t, items[0])
require.Equal(t, "function_call", call["type"])
require.JSONEq(t, `{"input":"pwd"}`, requireResponsesClientToolValue[string](t, call["arguments"]))
require.NotContains(t, call, "input")
output := requireResponsesClientToolValue[map[string]any](t, items[1])
require.Equal(t, "function_call_output", output["type"])
require.NotContains(t, output, "id")
require.JSONEq(t, `[{"text":"ok","type":"input_text"}]`, requireResponsesClientToolValue[string](t, output["output"]))
}
func TestAdaptResponsesClientToolsWithInheritedMapping_PromotesOmittedToolsDiscoveryIntoEffectiveDeclarations(t *testing.T) {
req := map[string]any{
"input": []any{map[string]any{
"type": "tool_search_output", "call_id": "call_search", "status": "completed", "execution": "client",
"tools": []any{map[string]any{
"type": "namespace", "name": "multi_agent_v1", "tools": []any{map[string]any{
"type": "function", "name": "spawn_agent", "parameters": map[string]any{"type": "object"},
}},
}},
}},
}
inherited := ResponsesClientToolMapping{
ToolSearch: true,
NamespaceTools: map[string]ResponsesNamespaceName{
"codex_app__read_resource": {Namespace: "codex_app", Name: "read_resource"},
},
}
lowered := []any{
map[string]any{"type": "function", "name": "static_first", "parameters": map[string]any{"type": "object"}},
map[string]any{"type": "function", "name": "tool_search", "parameters": json.RawMessage(toolSearchProxySchema)},
map[string]any{"type": "function", "name": "codex_app__read_resource", "parameters": map[string]any{"type": "object"}},
}
mapping, changed, err := AdaptResponsesClientToolsWithInheritedMapping(req, inherited, lowered)
require.NoError(t, err)
require.True(t, changed)
require.True(t, mapping.ToolSearch)
require.Equal(t, ResponsesNamespaceName{Namespace: "codex_app", Name: "read_resource"}, mapping.NamespaceTools["codex_app__read_resource"])
require.Equal(t, ResponsesNamespaceName{Namespace: "multi_agent_v1", Name: "spawn_agent"}, mapping.NamespaceTools["multi_agent_v1__spawn_agent"])
tools := requireResponsesClientToolValue[[]any](t, req["tools"])
require.Equal(t, []string{
"static_first", "tool_search", "codex_app__read_resource", "multi_agent_v1__spawn_agent",
}, responsesClientToolNames(t, tools))
output := requireResponsesClientToolValue[map[string]any](t, requireResponsesClientToolValue[[]any](t, req["input"])[0])
require.Equal(t, "function_call_output", output["type"])
require.IsType(t, "", output["output"])
require.NotContains(t, output, "tools")
require.NotContains(t, output, "status")
require.NotContains(t, output, "execution")
}
func TestAdaptResponsesClientToolsWithInheritedMapping_ExplicitToolsReplaceInheritedMapping(t *testing.T) {
req := map[string]any{
"tools": []any{},
"input": []any{map[string]any{
"type": "custom_tool_call", "name": "exec", "input": "pwd",
}},
}
mapping, changed, err := AdaptResponsesClientToolsWithInheritedMapping(
req,
ResponsesClientToolMapping{CustomTools: map[string]bool{"exec": true}},
)
require.NoError(t, err)
require.False(t, changed)
require.Empty(t, mapping)
items := requireResponsesClientToolValue[[]any](t, req["input"])
call := requireResponsesClientToolValue[map[string]any](t, items[0])
require.Equal(t, "custom_tool_call", call["type"])
}
func TestAdaptResponsesClientToolsWithInheritedMapping_ExplicitToolResetDoesNotPromoteDiscovery(t *testing.T) {
for _, reset := range []any{nil, []any{}} {
req := map[string]any{
"tools": reset,
"input": []any{map[string]any{
"type": "tool_search_output", "call_id": "call_reset", "status": "completed",
"tools": []any{map[string]any{"type": "function", "name": "must_not_promote"}},
}},
}
mapping, changed, err := AdaptResponsesClientToolsWithInheritedMapping(
req,
ResponsesClientToolMapping{ToolSearch: true},
[]any{map[string]any{"type": "function", "name": "tool_search"}},
)
require.NoError(t, err)
require.False(t, changed)
require.Empty(t, mapping)
item := requireResponsesClientToolValue[map[string]any](t, requireResponsesClientToolValue[[]any](t, req["input"])[0])
require.Equal(t, "tool_search_output", item["type"])
}
}
func TestRestoreResponsesClientToolPayload_RestoresClientAndNamespaceCalls(t *testing.T) {
mapping := ResponsesClientToolMapping{
CustomTools: map[string]bool{"exec": true}, ToolSearch: true,
NamespaceTools: map[string]ResponsesNamespaceName{"team__send": {Namespace: "team", Name: "send"}},
}
payload := []byte(`{"id":"resp","output":[{"type":"function_call","id":"i1","call_id":"c1","name":"exec","arguments":"{\"input\":\"dir\"}","namespace":"ignore"},{"type":"function_call","id":"i2","call_id":"s1","name":"tool_search","arguments":"{\"query\":\"git\"}"},{"type":"function_call","id":"i3","call_id":"n1","name":"team__send","arguments":"{}"}]}`)
restored, changed, err := RestoreResponsesClientToolPayload(payload, mapping)
require.NoError(t, err)
require.True(t, changed)
require.JSONEq(t, `{"id":"resp","output":[{"type":"custom_tool_call","id":"i1","call_id":"c1","name":"exec","input":"dir"},{"type":"tool_search_call","id":"i2","call_id":"s1","execution":"client","arguments":{"query":"git"}},{"type":"function_call","id":"i3","call_id":"n1","name":"send","namespace":"team","arguments":"{}"}]}`, string(restored))
}
func TestResponsesClientToolStreamRestorer_CustomToolBuffersWrapperAndSequences(t *testing.T) {
restorer := NewResponsesClientToolStreamRestorer(ResponsesClientToolMapping{CustomTools: map[string]bool{"exec": true}})
added := restorer.Restore(ResponsesStreamEvent{Type: "response.output_item.added", SequenceNumber: 7, OutputIndex: 0, Item: &ResponsesOutput{Type: "function_call", ID: "i1", CallID: "c1", Name: "exec", Status: "in_progress"}})
require.Len(t, added, 1)
require.Equal(t, 7, added[0].SequenceNumber)
require.Equal(t, "custom_tool_call", added[0].Item.Type)
require.Empty(t, restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.delta", SequenceNumber: 8, ItemID: "i1", Delta: `{"input":"di`}))
done := restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.done", SequenceNumber: 9, ItemID: "i1", CallID: "c1", Name: "exec", Arguments: `{"input":"dir"}`})
require.Len(t, done, 2)
require.Equal(t, 8, done[0].SequenceNumber)
require.Equal(t, "response.custom_tool_call_input.delta", done[0].Type)
require.Equal(t, "dir", done[0].Delta)
require.Equal(t, 9, done[1].SequenceNumber)
require.Equal(t, "response.custom_tool_call_input.done", done[1].Type)
require.Equal(t, "dir", done[1].Input)
closed := restorer.Restore(ResponsesStreamEvent{Type: "response.output_item.done", SequenceNumber: 10, OutputIndex: 0, Item: &ResponsesOutput{Type: "function_call", ID: "i1", CallID: "c1", Name: "exec", Arguments: `{"input":"dir"}`, Status: "completed"}})
require.Equal(t, 10, closed[0].SequenceNumber)
require.Equal(t, "custom_tool_call", closed[0].Item.Type)
require.Equal(t, "dir", closed[0].Item.Input)
}
func TestResponsesClientToolStreamRestorer_ToolSearchAndFunction(t *testing.T) {
restorer := NewResponsesClientToolStreamRestorer(ResponsesClientToolMapping{ToolSearch: true})
search := restorer.Restore(ResponsesStreamEvent{Type: "response.output_item.added", SequenceNumber: 0, OutputIndex: 0, Item: &ResponsesOutput{Type: "function_call", ID: "s1", CallID: "c1", Name: "tool_search", Status: "in_progress"}})
require.Equal(t, "tool_search_call", search[0].Item.Type)
require.Empty(t, restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.delta", SequenceNumber: 1, ItemID: "s1", Delta: `{"query":"git"}`}))
require.Empty(t, restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.done", SequenceNumber: 2, ItemID: "s1", Arguments: `{"query":"git"}`}))
closed := restorer.Restore(ResponsesStreamEvent{Type: "response.output_item.done", SequenceNumber: 3, OutputIndex: 0, Item: &ResponsesOutput{Type: "function_call", ID: "s1", CallID: "c1", Name: "tool_search", Status: "completed"}})
require.Equal(t, 1, closed[0].SequenceNumber)
require.Equal(t, "tool_search_call", closed[0].Item.Type)
require.JSONEq(t, `{"query":"git"}`, string(toolSearchCallArgumentsJSON(closed[0].Item.Arguments)))
function := restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.done", SequenceNumber: 4, ItemID: "plain", Name: "plain", Arguments: "{}"})
require.Len(t, function, 1)
require.Equal(t, "response.function_call_arguments.done", function[0].Type)
require.Equal(t, 2, function[0].SequenceNumber)
}
func TestResponsesClientToolStreamRestorer_RestoresNamespaceLifecycle(t *testing.T) {
restorer := NewResponsesClientToolStreamRestorer(ResponsesClientToolMapping{
NamespaceTools: map[string]ResponsesNamespaceName{
"browser__open": {Namespace: "browser", Name: "open"},
},
})
added, changed, err := restorer.RestoreEvent([]byte(`{"type":"response.output_item.added","sequence_number":4,"output_index":0,"item":{"type":"function_call","id":"i1","call_id":"c1","name":"browser__open","arguments":"","status":"in_progress"}}`))
require.NoError(t, err)
require.True(t, changed)
require.Len(t, added, 1)
require.Equal(t, "open", gjson.GetBytes(added[0], "item.name").String())
require.Equal(t, "browser", gjson.GetBytes(added[0], "item.namespace").String())
delta, changed, err := restorer.RestoreEvent([]byte(`{"type":"response.function_call_arguments.delta","sequence_number":5,"output_index":0,"item_id":"i1","name":"browser__open","delta":"{\"url\":"}`))
require.NoError(t, err)
require.True(t, changed)
require.Len(t, delta, 1)
require.Equal(t, "open", gjson.GetBytes(delta[0], "name").String())
done, changed, err := restorer.RestoreEvent([]byte(`{"type":"response.function_call_arguments.done","sequence_number":6,"output_index":0,"item_id":"i1","name":"browser__open","arguments":"{}"}`))
require.NoError(t, err)
require.True(t, changed)
require.Len(t, done, 1)
require.Equal(t, "open", gjson.GetBytes(done[0], "name").String())
}
func TestResponsesClientToolStreamRestorer_RawEventsPreserveUnknownFieldsAndOutputFallback(t *testing.T) {
restorer := NewResponsesClientToolStreamRestorer(ResponsesClientToolMapping{CustomTools: map[string]bool{"exec": true}})
passthrough, changed, err := restorer.RestoreEvent([]byte(`{"type":"response.created","sequence_number":4,"response":{"id":"r"},"upstream_extension":{"keep":true}}`))
require.NoError(t, err)
require.False(t, changed)
require.Len(t, passthrough, 1)
require.Contains(t, string(passthrough[0]), `"upstream_extension":{"keep":true}`)
restorer.Restore(ResponsesStreamEvent{Type: "response.output_item.added", SequenceNumber: 5, OutputIndex: 9, Item: &ResponsesOutput{Type: "function_call", ID: "item", CallID: "call", Name: "exec"}})
// Some upstreams omit every tool identity field on later argument chunks.
require.Empty(t, restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.delta", SequenceNumber: 6, OutputIndex: 9, Delta: `{"input":"pwd"}`}))
done := restorer.Restore(ResponsesStreamEvent{Type: "response.function_call_arguments.done", SequenceNumber: 7, OutputIndex: 9})
require.Len(t, done, 2)
require.Equal(t, "pwd", done[1].Input)
}
func TestResponsesClientToolStreamRestorer_RestoresAllTerminalEvents(t *testing.T) {
for _, eventType := range []string{
"response.completed",
"response.done",
"response.incomplete",
"response.failed",
"response.cancelled",
"response.canceled",
} {
t.Run(eventType, func(t *testing.T) {
restorer := NewResponsesClientToolStreamRestorer(ResponsesClientToolMapping{CustomTools: map[string]bool{"exec": true}})
payload := []byte(`{"type":"` + eventType + `","sequence_number":7,"response":{"id":"resp_tools","output":[{"type":"function_call","id":"item_exec","call_id":"call_exec","name":"exec","arguments":"{\"input\":\"pwd\"}"}]}}`)
restored, changed, err := restorer.RestoreEvent(payload)
require.NoError(t, err)
require.True(t, changed)
require.Len(t, restored, 1)
require.Equal(t, eventType, gjson.GetBytes(restored[0], "type").String())
require.Equal(t, int64(7), gjson.GetBytes(restored[0], "sequence_number").Int())
require.Equal(t, "custom_tool_call", gjson.GetBytes(restored[0], "response.output.0.type").String())
require.Equal(t, "pwd", gjson.GetBytes(restored[0], "response.output.0.input").String())
require.False(t, gjson.GetBytes(restored[0], "response.output.0.arguments").Exists())
})
}
}