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Fix duplicate/empty tool_use blocks in OpenAI->Claude streaming translation #1579
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86 changes: 86 additions & 0 deletions
86
internal/translator/openai/claude/openai_claude_response_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package claude | ||
|
|
||
| import ( | ||
| "context" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/tidwall/gjson" | ||
| ) | ||
|
|
||
| func TestConvertOpenAIResponseToClaude_StreamToolStartEmittedOnceAndNameCanonicalized(t *testing.T) { | ||
| originalRequest := `{ | ||
| "stream": true, | ||
| "tools": [ | ||
| { | ||
| "name": "Bash", | ||
| "description": "run shell", | ||
| "input_schema": {"type":"object","properties":{"command":{"type":"string"}}} | ||
| } | ||
| ] | ||
| }` | ||
|
|
||
| chunks := []string{ | ||
| `data: {"id":"chatcmpl-1","model":"m","created":1,"choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"id":"call_1","function":{"name":"bash","arguments":""}}]}}]}`, | ||
| `data: {"id":"chatcmpl-1","model":"m","created":1,"choices":[{"index":0,"delta":{"tool_calls":[{"index":0,"function":{"name":"","arguments":"{\"command\":\"pwd\"}"}}]}}]}`, | ||
| `data: {"id":"chatcmpl-1","model":"m","created":1,"choices":[{"index":0,"delta":{},"finish_reason":"tool_calls"}]}`, | ||
| `data: {"id":"chatcmpl-1","model":"m","created":1,"choices":[{"index":0,"delta":{},"finish_reason":"tool_calls"}],"usage":{"prompt_tokens":10,"completion_tokens":2}}`, | ||
| `data: [DONE]`, | ||
| } | ||
|
|
||
| var param any | ||
| var outputs []string | ||
| for _, chunk := range chunks { | ||
| out := ConvertOpenAIResponseToClaude(context.Background(), "m", []byte(originalRequest), nil, []byte(chunk), ¶m) | ||
| outputs = append(outputs, out...) | ||
| } | ||
|
|
||
| joined := strings.Join(outputs, "") | ||
| if got := strings.Count(joined, `"content_block":{"type":"tool_use"`); got != 1 { | ||
| t.Fatalf("expected exactly 1 tool_use content_block_start, got %d\noutput:\n%s", got, joined) | ||
| } | ||
|
|
||
| if strings.Contains(joined, `"name":""`) { | ||
| t.Fatalf("tool_use block should not have empty name\noutput:\n%s", joined) | ||
| } | ||
|
|
||
| if !strings.Contains(joined, `"name":"Bash"`) { | ||
| t.Fatalf("expected canonical tool name Bash in stream output\noutput:\n%s", joined) | ||
| } | ||
| } | ||
|
|
||
| func TestConvertOpenAIResponseToClaudeNonStream_CanonicalizesToolName(t *testing.T) { | ||
| originalRequest := `{ | ||
| "tools": [ | ||
| {"name": "Bash", "input_schema": {"type":"object","properties":{"command":{"type":"string"}}}} | ||
| ] | ||
| }` | ||
|
|
||
| openAIResponse := `{ | ||
| "id":"chatcmpl-1", | ||
| "model":"m", | ||
| "choices":[ | ||
| { | ||
| "finish_reason":"tool_calls", | ||
| "message":{ | ||
| "content":"", | ||
| "tool_calls":[ | ||
| {"id":"call_1","type":"function","function":{"name":"bash","arguments":"{\"command\":\"pwd\"}"}} | ||
| ] | ||
| } | ||
| } | ||
| ], | ||
| "usage":{"prompt_tokens":10,"completion_tokens":2} | ||
| }` | ||
|
|
||
| var param any | ||
| out := ConvertOpenAIResponseToClaudeNonStream(context.Background(), "m", []byte(originalRequest), nil, []byte(openAIResponse), ¶m) | ||
| result := gjson.Parse(out) | ||
|
|
||
| if got := result.Get("content.0.type").String(); got != "tool_use" { | ||
| t.Fatalf("expected first content block type tool_use, got %q", got) | ||
| } | ||
| if got := result.Get("content.0.name").String(); got != "Bash" { | ||
| t.Fatalf("expected canonical tool name %q, got %q", "Bash", got) | ||
| } | ||
| } |
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This block of logic for ensuring a
tool_usecontent_block_startis emitted is duplicated from lines 285-299 inconvertOpenAIStreamingChunkToAnthropic. To improve maintainability and reduce redundancy, consider extracting this logic into a helper function that can be called from both locations.