Add fuzz testing for Google/Gemini and fix roundtrip issues#114
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Matt Perpick (clutchski) wants to merge 4 commits intomainfrom
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Add fuzz testing for Google/Gemini and fix roundtrip issues#114Matt Perpick (clutchski) wants to merge 4 commits intomainfrom
Matt Perpick (clutchski) wants to merge 4 commits intomainfrom
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Adds Google roundtrip and Chat->Google two-arm fuzz suites following the existing pattern for OpenAI/Anthropic. Includes a Discovery JSON schema loader, prop_filter for valid API payloads, and a Python validation script for checking payloads against the real Gemini API. Also defaults missing Content.role to "user" to match real API behavior. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…specific extras Map seed, presencePenalty, frequencyPenalty from generationConfig to universal params directly. Store safetySettings, cachedContent, and remaining generationConfig fields (candidateCount, speechConfig, responseModalities, etc.) in provider extras so they survive roundtrips. Reconstruct them in request_from_universal. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Replace direct .get("...") calls with GENERATION_CONFIG_EXTRAS_KEY constant
in production code and typed GoogleParams/OpenAIChatParams deserialization
in test assertions.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
GenerationConfig.response_schema is Box<Option<Schema>> which serializes as null when None. Strip null entries from the serialized config to avoid spurious output. Update vitest snapshots to reflect seed, presencePenalty, and frequencyPenalty now correctly appearing in generationConfig output. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Test plan
cargo test -p lingua --test fuzz(non-ignored) -- all 14 saved snapshot tests pass🤖 Generated with Claude Code