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Added support for Gemini models

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This commit is contained in:
Badri Narayanan S
2025-12-27 14:09:20 +05:30
parent 9b7dcf3a6c
commit c1e1dbb0ef
13 changed files with 641 additions and 176 deletions
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123
tests/test-thinking-signatures.cjs
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@@ -6,20 +6,28 @@
*
* Claude Code sends assistant messages with thinking blocks that include signatures.
* These signatures must be preserved and sent back to the API.
*
* Note: Claude puts signatures on thinking blocks, Gemini 3+ puts them on tool_use blocks.
*
* Runs for both Claude and Gemini model families.
*/
const { streamRequest, commonTools } = require('./helpers/http-client.cjs');
const { streamRequest, analyzeContent, commonTools } = require('./helpers/http-client.cjs');
const { getThinkingModels, getModelConfig, familySupportsThinking } = require('./helpers/test-models.cjs');
const tools = [commonTools.getWeather];
async function runTests() {
async function runTestsForModel(family, model) {
console.log('='.repeat(60));
console.log('THINKING SIGNATURE TEST');
console.log(`THINKING SIGNATURE TEST [${family.toUpperCase()}]`);
console.log(`Model: ${model}`);
console.log('Simulates Claude Code multi-turn with thinking blocks');
console.log('='.repeat(60));
console.log('');
let allPassed = true;
const results = [];
const modelConfig = getModelConfig(family);
const expectThinking = familySupportsThinking(family);
// ===== TEST 1: First turn - get thinking block with signature =====
console.log('TEST 1: Initial request with thinking model');
@@ -30,35 +38,34 @@ async function runTests() {
];
const turn1Result = await streamRequest({
model: 'claude-sonnet-4-5-thinking',
max_tokens: 16000,
model,
max_tokens: modelConfig.max_tokens,
stream: true,
tools,
thinking: { type: 'enabled', budget_tokens: 10000 },
thinking: modelConfig.thinking,
messages: turn1Messages
});
const turn1Thinking = turn1Result.content.filter(b => b.type === 'thinking');
const turn1ToolUse = turn1Result.content.filter(b => b.type === 'tool_use');
const turn1Text = turn1Result.content.filter(b => b.type === 'text');
const content = analyzeContent(turn1Result.content);
console.log(` Thinking blocks: ${turn1Thinking.length}`);
console.log(` Tool use blocks: ${turn1ToolUse.length}`);
console.log(` Text blocks: ${turn1Text.length}`);
console.log(` Thinking blocks: ${content.thinking.length}`);
console.log(` Tool use blocks: ${content.toolUse.length}`);
console.log(` Text blocks: ${content.text.length}`);
// Check thinking has signature
let turn1HasSignature = false;
if (turn1Thinking.length > 0) {
const sig = turn1Thinking[0].signature || '';
turn1HasSignature = sig.length >= 50;
console.log(` Signature length: ${sig.length} chars`);
console.log(` Signature present: ${turn1HasSignature ? 'YES' : 'NO'}`);
if (turn1Thinking[0].thinking) {
console.log(` Thinking preview: "${turn1Thinking[0].thinking.substring(0, 80)}..."`);
}
// Check signatures - Claude puts them on thinking blocks, Gemini on tool_use blocks
console.log(` Thinking signature: ${content.thinkingHasSignature ? 'YES' : 'NO'}`);
console.log(` Tool use signature: ${content.toolUseHasSignature ? 'YES' : 'NO'}`);
console.log(` Has signature (combined): ${content.hasSignature ? 'YES' : 'NO'}`);
if (content.hasThinking && content.thinking[0].thinking) {
console.log(` Thinking preview: "${content.thinking[0].thinking.substring(0, 80)}..."`);
}
const test1Pass = turn1Thinking.length > 0 && turn1HasSignature && turn1ToolUse.length > 0;
// For models that support thinking, expect thinking + signature (somewhere) + tool use
// For models that don't, just expect tool use
const test1Pass = expectThinking
? (content.hasThinking && content.hasSignature && content.hasToolUse)
: (content.hasToolUse || content.hasText);
results.push({ name: 'Turn 1: Thinking + Signature + Tool Use', passed: test1Pass });
console.log(` Result: ${test1Pass ? 'PASS' : 'FAIL'}`);
if (!test1Pass) allPassed = false;
@@ -67,18 +74,22 @@ async function runTests() {
console.log('\nTEST 2: Multi-turn with thinking signature in assistant message');
console.log('-'.repeat(40));
if (!turn1ToolUse.length) {
if (!content.hasToolUse) {
console.log(' SKIPPED - No tool use in turn 1');
results.push({ name: 'Turn 2: Multi-turn with signature', passed: false, skipped: true });
} else {
// Build assistant message with thinking (including signature) - this is how Claude Code sends it
const assistantContent = turn1Result.content;
// Verify the thinking block has signature before sending
// Log what we're sending back
const thinkingInAssistant = assistantContent.find(b => b.type === 'thinking');
const toolUseInAssistant = assistantContent.find(b => b.type === 'tool_use');
if (thinkingInAssistant) {
console.log(` Sending thinking with signature: ${(thinkingInAssistant.signature || '').length} chars`);
}
if (toolUseInAssistant && toolUseInAssistant.thoughtSignature) {
console.log(` Sending tool_use with thoughtSignature: ${toolUseInAssistant.thoughtSignature.length} chars`);
}
const turn2Messages = [
...turn1Messages,
@@ -87,26 +98,25 @@ async function runTests() {
role: 'user',
content: [{
type: 'tool_result',
tool_use_id: turn1ToolUse[0].id,
tool_use_id: content.toolUse[0].id,
content: 'The weather in Paris is 18°C and sunny.'
}]
}
];
const turn2Result = await streamRequest({
model: 'claude-sonnet-4-5-thinking',
max_tokens: 16000,
model,
max_tokens: modelConfig.max_tokens,
stream: true,
tools,
thinking: { type: 'enabled', budget_tokens: 10000 },
thinking: modelConfig.thinking,
messages: turn2Messages
});
const turn2Thinking = turn2Result.content.filter(b => b.type === 'thinking');
const turn2Text = turn2Result.content.filter(b => b.type === 'text');
const turn2Content = analyzeContent(turn2Result.content);
console.log(` Thinking blocks: ${turn2Thinking.length}`);
console.log(` Text blocks: ${turn2Text.length}`);
console.log(` Thinking blocks: ${turn2Content.thinking.length}`);
console.log(` Text blocks: ${turn2Content.text.length}`);
// Check for errors
const hasError = turn2Result.events.some(e => e.type === 'error');
@@ -115,26 +125,22 @@ async function runTests() {
console.log(` ERROR: ${errorEvent?.data?.error?.message || 'Unknown error'}`);
}
if (turn2Thinking.length > 0) {
const sig = turn2Thinking[0].signature || '';
console.log(` New signature length: ${sig.length} chars`);
if (turn2Thinking[0].thinking) {
console.log(` Thinking preview: "${turn2Thinking[0].thinking.substring(0, 80)}..."`);
}
if (turn2Content.hasThinking && turn2Content.thinking[0].thinking) {
console.log(` Thinking preview: "${turn2Content.thinking[0].thinking.substring(0, 80)}..."`);
}
if (turn2Text.length > 0 && turn2Text[0].text) {
console.log(` Response: "${turn2Text[0].text.substring(0, 100)}..."`);
if (turn2Content.hasText && turn2Content.text[0].text) {
console.log(` Response: "${turn2Content.text[0].text.substring(0, 100)}..."`);
}
const test2Pass = !hasError && (turn2Thinking.length > 0 || turn2Text.length > 0);
const test2Pass = !hasError && (turn2Content.hasThinking || turn2Content.hasText);
results.push({ name: 'Turn 2: Multi-turn with signature', passed: test2Pass });
console.log(` Result: ${test2Pass ? 'PASS' : 'FAIL'}`);
if (!test2Pass) allPassed = false;
}
// ===== TEST 3: Verify signature_delta events in stream =====
console.log('\nTEST 3: Verify signature_delta events in stream');
console.log('\nTEST 3: Verify signature events in stream');
console.log('-'.repeat(40));
const signatureDeltas = turn1Result.events.filter(
@@ -147,14 +153,18 @@ async function runTests() {
console.log(` Total signature length from deltas: ${totalSigLength} chars`);
}
const test3Pass = signatureDeltas.length > 0;
results.push({ name: 'signature_delta events present', passed: test3Pass });
// For Claude: signature_delta events should be present
// For Gemini: signature is attached to tool_use block directly, may not have signature_delta events
const test3Pass = expectThinking
? (signatureDeltas.length > 0 || content.toolUseHasSignature)
: true;
results.push({ name: 'Signature present (delta or on tool_use)', passed: test3Pass });
console.log(` Result: ${test3Pass ? 'PASS' : 'FAIL'}`);
if (!test3Pass) allPassed = false;
// ===== Summary =====
console.log('\n' + '='.repeat(60));
console.log('SUMMARY');
console.log(`SUMMARY [${family.toUpperCase()}]`);
console.log('='.repeat(60));
for (const result of results) {
@@ -163,7 +173,26 @@ async function runTests() {
}
console.log('\n' + '='.repeat(60));
console.log(`OVERALL: ${allPassed ? 'ALL TESTS PASSED' : 'SOME TESTS FAILED'}`);
console.log(`[${family.toUpperCase()}] ${allPassed ? 'ALL TESTS PASSED' : 'SOME TESTS FAILED'}`);
console.log('='.repeat(60));
return allPassed;
}
async function runTests() {
const models = getThinkingModels();
let allPassed = true;
for (const { family, model } of models) {
console.log('\n');
const passed = await runTestsForModel(family, model);
if (!passed) allPassed = false;
}
console.log('\n' + '='.repeat(60));
console.log('FINAL RESULT');
console.log('='.repeat(60));
console.log(`Overall: ${allPassed ? 'ALL MODEL FAMILIES PASSED' : 'SOME MODEL FAMILIES FAILED'}`);
console.log('='.repeat(60));
process.exit(allPassed ? 0 : 1);