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Merged
Ken Jiang (knjiang) merged 1 commit into from
Apr 7, 2026
Merged

Add support for more google built-in tools like code execution/url context #181

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68 changes: 68 additions & 0 deletions crates/coverage-report/src/requests_expected_differences.json
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Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,74 @@
{ "pattern": "params.reasoning", "reason": "Anthropic rejects enabled thinking when tool_choice forces a specific tool; thinking is intentionally dropped" }
]
},
{
"testCase": "codeInterpreterToolParam",
"source": "Google",
"target": "Anthropic",
"skip": true,
"reason": "Google code_execution tool has no Anthropic equivalent"
},
{
"testCase": "toolChoiceRequiredWithReasoningParam",
"source": "Google",
"target": "Anthropic",
"fields": [
{ "pattern": "params.reasoning", "reason": "Anthropic rejects enabled thinking when tool_choice forces a specific tool; thinking is intentionally dropped" }
]
},
{
"testCase": "toolChoiceRequiredWithReasoningParam",
"source": "Google",
"target": "Responses",
"fields": [
{ "pattern": "messages.length", "reason": "Responses expands Google required-tool reasoning followups into a different message shape" }
]
},
{
"testCase": "responseModalitiesAudioParam",
"source": "Google",
"target": "Anthropic",
"fields": [
{ "pattern": "messages[*].content[*].type", "reason": "Google assistant audio content becomes text fallback in Anthropic" },
{ "pattern": "messages[*].content[*].media_type", "reason": "Google assistant audio content is not preserved in Anthropic" },
{ "pattern": "messages[*].content[*].data", "reason": "Google assistant audio content is not preserved in Anthropic" },
{ "pattern": "messages[*].content[*].text", "reason": "Google assistant audio content becomes text fallback in Anthropic" }
]
},
{
"testCase": "responseModalitiesAudioParam",
"source": "Google",
"target": "ChatCompletions",
"fields": [
{ "pattern": "messages[*].content[*].type", "reason": "Google assistant audio content becomes text fallback in ChatCompletions" },
{ "pattern": "messages[*].content[*].media_type", "reason": "Google assistant audio content is not preserved in ChatCompletions" },
{ "pattern": "messages[*].content[*].data", "reason": "Google assistant audio content is not preserved in ChatCompletions" },
{ "pattern": "messages[*].content[*].text", "reason": "Google assistant audio content becomes text fallback in ChatCompletions" }
]
},
{
"testCase": "urlContextToolParam",
"source": "Google",
"target": "Anthropic",
"skip": true,
"reason": "Google url_context builtin tool has no Anthropic equivalent"
},
{
"testCase": "urlContextToolParam",
"source": "Google",
"target": "Responses",
"fields": [
{ "pattern": "params.tools", "reason": "Google url_context builtin tool has no Responses equivalent" }
]
},
{
"testCase": "urlContextToolParam",
"source": "Google",
"target": "ChatCompletions",
"fields": [
{ "pattern": "params.tools", "reason": "Google url_context builtin tool has no ChatCompletions equivalent" }
]
},
{
"testCase": "parallelToolCallsRequest",
"source": "*",
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78 changes: 78 additions & 0 deletions crates/coverage-report/src/responses_expected_differences.json
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,22 @@
{ "pattern": "messages.length", "reason": "Google assistant image content not supported in Responses" }
]
},
{
"testCase": "speechConfigParam",
"source": "Google",
"target": "Anthropic",
"fields": [
{ "pattern": "messages.length", "reason": "Anthropic does not preserve Google's empty finish-reason-only response candidate as a message" }
]
},
{
"testCase": "speechConfigParam",
"source": "Google",
"target": "ChatCompletions",
"fields": [
{ "pattern": "finish_reason", "reason": "ChatCompletions does not preserve Google's finishReason OTHER exactly" }
]
},
{
"testCase": "webSearchToolParam",
"source": "Anthropic",
Expand All @@ -260,6 +276,30 @@
{ "pattern": "finish_reason", "reason": "Google infers finish_reason from content - presence of tool calls yields ToolCalls" }
]
},
{
"testCase": "codeInterpreterToolParam",
"source": "Google",
"target": "Anthropic",
"fields": [
{ "pattern": "messages[*].content[*].provider_options", "reason": "Google code execution metadata is preserved in provider_options and has no Anthropic equivalent" }
]
},
{
"testCase": "codeInterpreterToolParam",
"source": "Google",
"target": "ChatCompletions",
"fields": [
{ "pattern": "messages[*].content.length", "reason": "ChatCompletions does not preserve Google code execution metadata as separate assistant content parts" }
]
},
{
"testCase": "codeInterpreterToolParam",
"source": "Google",
"target": "Responses",
"fields": [
{ "pattern": "messages.length", "reason": "Responses does not preserve Google code execution metadata as a single assistant message" }
]
},
{
"testCase": "webSearchToolParam",
"source": "Responses",
Expand All @@ -284,6 +324,44 @@
{ "pattern": "messages.length", "reason": "Google reasoning content expands to separate output items in Responses format" }
]
},
{
"testCase": "toolChoiceRequiredWithReasoningParam",
"source": "Google",
"target": "Responses",
"fields": [
{ "pattern": "messages.length", "reason": "Responses expands Google required-tool reasoning into a different output-item shape" }
]
},
{
"testCase": "responseModalitiesAudioParam",
"source": "Google",
"target": "Anthropic",
"fields": [
{ "pattern": "messages[*].content[*].type", "reason": "Google assistant audio content becomes text fallback in Anthropic" },
{ "pattern": "messages[*].content[*].media_type", "reason": "Google assistant audio content is not preserved in Anthropic" },
{ "pattern": "messages[*].content[*].data", "reason": "Google assistant audio content is not preserved in Anthropic" },
{ "pattern": "messages[*].content[*].text", "reason": "Google assistant audio content becomes text fallback in Anthropic" }
]
},
{
"testCase": "responseModalitiesAudioParam",
"source": "Google",
"target": "ChatCompletions",
"fields": [
{ "pattern": "messages[*].content[*].type", "reason": "Google assistant audio content becomes text fallback in ChatCompletions" },
{ "pattern": "messages[*].content[*].media_type", "reason": "Google assistant audio content is not preserved in ChatCompletions" },
{ "pattern": "messages[*].content[*].data", "reason": "Google assistant audio content is not preserved in ChatCompletions" },
{ "pattern": "messages[*].content[*].text", "reason": "Google assistant audio content becomes text fallback in ChatCompletions" }
]
},
{
"testCase": "responseModalitiesAudioParam",
"source": "Google",
"target": "Responses",
"fields": [
{ "pattern": "messages.length", "reason": "Responses does not preserve Google assistant audio content as a single message" }
]
},
{
"testCase": "simpleRequestTruncated",
"source": "Google",
Expand Down
42 changes: 24 additions & 18 deletions crates/lingua/src/providers/google/adapter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -437,24 +437,30 @@ impl ProviderAdapter for GoogleAdapter {
.map(|r| r.to_provider_string(self.format()).to_string())
.unwrap_or_else(|| "STOP".to_string());

let candidates: Vec<Value> = resp
.messages
.iter()
.enumerate()
.map(|(i, msg)| {
let content = <GoogleContent as TryFromLLM<Message>>::try_from(msg.clone())
.map_err(|e| TransformError::FromUniversalFailed(e.to_string()))?;

let content_value = serde_json::to_value(&content)
.map_err(|e| TransformError::SerializationFailed(e.to_string()))?;

Ok(serde_json::json!({
"index": i,
"content": content_value,
"finishReason": finish_reason
}))
})
.collect::<Result<Vec<_>, TransformError>>()?;
let candidates: Vec<Value> = if resp.messages.is_empty() && resp.finish_reason.is_some() {
vec![serde_json::json!({
"index": 0,
"finishReason": finish_reason
})]
} else {
resp.messages
.iter()
.enumerate()
.map(|(i, msg)| {
let content = <GoogleContent as TryFromLLM<Message>>::try_from(msg.clone())
.map_err(|e| TransformError::FromUniversalFailed(e.to_string()))?;

let content_value = serde_json::to_value(&content)
.map_err(|e| TransformError::SerializationFailed(e.to_string()))?;

Ok(serde_json::json!({
"index": i,
"content": content_value,
"finishReason": finish_reason
}))
})
.collect::<Result<Vec<_>, TransformError>>()?
};

let mut map = serde_json::Map::new();
map.insert("candidates".into(), Value::Array(candidates));
Expand Down
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