493 lines
18 KiB
JavaScript
493 lines
18 KiB
JavaScript
/**
|
|
* Test Count Tokens - Tests for the /v1/messages/count_tokens endpoint
|
|
*
|
|
* Verifies token counting functionality:
|
|
* - Local estimation using official tokenizers (@anthropic-ai/tokenizer for Claude, @lenml/tokenizer-gemini for Gemini)
|
|
* - Request validation
|
|
* - Different content types (text, tools, system prompts)
|
|
*/
|
|
const http = require('http');
|
|
|
|
// Server configuration
|
|
const BASE_URL = 'localhost';
|
|
const PORT = 8080;
|
|
|
|
/**
|
|
* Make a request to the count_tokens endpoint
|
|
* @param {Object} body - Request body
|
|
* @returns {Promise<Object>} - Parsed JSON response with statusCode
|
|
*/
|
|
function countTokensRequest(body) {
|
|
return new Promise((resolve, reject) => {
|
|
const data = JSON.stringify(body);
|
|
const req = http.request({
|
|
host: BASE_URL,
|
|
port: PORT,
|
|
path: '/v1/messages/count_tokens',
|
|
method: 'POST',
|
|
headers: {
|
|
'Content-Type': 'application/json',
|
|
'x-api-key': 'test',
|
|
'anthropic-version': '2023-06-01',
|
|
'Content-Length': Buffer.byteLength(data)
|
|
}
|
|
}, res => {
|
|
let fullData = '';
|
|
res.on('data', chunk => fullData += chunk.toString());
|
|
res.on('end', () => {
|
|
try {
|
|
const parsed = JSON.parse(fullData);
|
|
resolve({ ...parsed, statusCode: res.statusCode });
|
|
} catch (e) {
|
|
reject(new Error(`Parse error: ${e.message}\nRaw: ${fullData.substring(0, 500)}`));
|
|
}
|
|
});
|
|
});
|
|
req.on('error', reject);
|
|
req.write(data);
|
|
req.end();
|
|
});
|
|
}
|
|
|
|
async function runTests() {
|
|
console.log('╔══════════════════════════════════════════════════════════════╗');
|
|
console.log('║ COUNT TOKENS ENDPOINT TEST SUITE ║');
|
|
console.log('╚══════════════════════════════════════════════════════════════╝\n');
|
|
|
|
let passed = 0;
|
|
let failed = 0;
|
|
|
|
function test(name, fn) {
|
|
return fn()
|
|
.then(() => {
|
|
console.log(`✓ ${name}`);
|
|
passed++;
|
|
})
|
|
.catch(e => {
|
|
console.log(`✗ ${name}`);
|
|
console.log(` Error: ${e.message}`);
|
|
failed++;
|
|
});
|
|
}
|
|
|
|
function assert(condition, message) {
|
|
if (!condition) throw new Error(message);
|
|
}
|
|
|
|
function assertType(value, type, name) {
|
|
if (typeof value !== type) {
|
|
throw new Error(`${name} should be ${type}, got ${typeof value}`);
|
|
}
|
|
}
|
|
|
|
function assertGreater(value, min, name) {
|
|
if (value <= min) {
|
|
throw new Error(`${name} should be greater than ${min}, got ${value}`);
|
|
}
|
|
}
|
|
|
|
// Test 1: Simple text message
|
|
await test('Simple text message returns token count', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Hello, how are you?' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 0, 'input_tokens');
|
|
});
|
|
|
|
// Test 2: Multi-turn conversation
|
|
await test('Multi-turn conversation counts all messages', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'What is the capital of France?' },
|
|
{ role: 'assistant', content: 'The capital of France is Paris.' },
|
|
{ role: 'user', content: 'And what about Germany?' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
// Multi-turn should have more tokens than single message
|
|
assertGreater(response.input_tokens, 10, 'input_tokens for multi-turn');
|
|
});
|
|
|
|
// Test 3: System prompt
|
|
await test('System prompt tokens are counted', async () => {
|
|
const responseWithSystem = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
system: 'You are a helpful assistant that speaks like a pirate.',
|
|
messages: [
|
|
{ role: 'user', content: 'Hello' }
|
|
]
|
|
});
|
|
|
|
const responseWithoutSystem = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Hello' }
|
|
]
|
|
});
|
|
|
|
assert(responseWithSystem.statusCode === 200, `Expected 200, got ${responseWithSystem.statusCode}`);
|
|
// With system prompt should have more tokens
|
|
assertGreater(responseWithSystem.input_tokens, responseWithoutSystem.input_tokens,
|
|
'tokens with system prompt');
|
|
});
|
|
|
|
// Test 4: System prompt as array
|
|
await test('System prompt as array is counted', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
system: [
|
|
{ type: 'text', text: 'You are a helpful assistant.' },
|
|
{ type: 'text', text: 'Be concise and clear.' }
|
|
],
|
|
messages: [
|
|
{ role: 'user', content: 'Hello' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 5, 'input_tokens');
|
|
});
|
|
|
|
// Test 5: With tools
|
|
await test('Tool definitions are counted', async () => {
|
|
const responseWithTools = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Get the weather in Tokyo' }
|
|
],
|
|
tools: [
|
|
{
|
|
name: 'get_weather',
|
|
description: 'Get the current weather for a location',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
location: { type: 'string', description: 'City name' }
|
|
},
|
|
required: ['location']
|
|
}
|
|
}
|
|
]
|
|
});
|
|
|
|
const responseWithoutTools = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Get the weather in Tokyo' }
|
|
]
|
|
});
|
|
|
|
assert(responseWithTools.statusCode === 200, `Expected 200, got ${responseWithTools.statusCode}`);
|
|
// With tools should have more tokens
|
|
assertGreater(responseWithTools.input_tokens, responseWithoutTools.input_tokens,
|
|
'tokens with tools');
|
|
});
|
|
|
|
// Test 6: Content as array with text blocks
|
|
await test('Content array with text blocks', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{
|
|
role: 'user',
|
|
content: [
|
|
{ type: 'text', text: 'First part of the message.' },
|
|
{ type: 'text', text: 'Second part of the message.' }
|
|
]
|
|
}
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 5, 'input_tokens');
|
|
});
|
|
|
|
// Test 7: Tool use and tool result blocks
|
|
await test('Tool use and tool result blocks are counted', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'What is the weather in Paris?' },
|
|
{
|
|
role: 'assistant',
|
|
content: [
|
|
{
|
|
type: 'tool_use',
|
|
id: 'tool_123',
|
|
name: 'get_weather',
|
|
input: { location: 'Paris' }
|
|
}
|
|
]
|
|
},
|
|
{
|
|
role: 'user',
|
|
content: [
|
|
{
|
|
type: 'tool_result',
|
|
tool_use_id: 'tool_123',
|
|
content: 'The weather in Paris is sunny with 22°C'
|
|
}
|
|
]
|
|
}
|
|
],
|
|
tools: [
|
|
{
|
|
name: 'get_weather',
|
|
description: 'Get weather for a location',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
location: { type: 'string' }
|
|
}
|
|
}
|
|
}
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 20, 'input_tokens for tool conversation');
|
|
});
|
|
|
|
// Test 8: Thinking blocks
|
|
await test('Thinking blocks are counted', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Solve this problem step by step' },
|
|
{
|
|
role: 'assistant',
|
|
content: [
|
|
{
|
|
type: 'thinking',
|
|
thinking: 'Let me think about this problem carefully. First, I need to understand what is being asked...'
|
|
},
|
|
{ type: 'text', text: 'Here is my solution.' }
|
|
]
|
|
},
|
|
{ role: 'user', content: 'Can you explain further?' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 20, 'input_tokens with thinking');
|
|
});
|
|
|
|
// Test 9: Long text
|
|
await test('Long text message', async () => {
|
|
const longText = 'This is a test message. '.repeat(100);
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: longText }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
// Long text should have many tokens
|
|
assertGreater(response.input_tokens, 100, 'input_tokens for long text');
|
|
});
|
|
|
|
// Test 10: Missing messages field (error case)
|
|
await test('Missing messages returns error', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5'
|
|
});
|
|
|
|
assert(response.statusCode === 400, `Expected 400, got ${response.statusCode}`);
|
|
assert(response.type === 'error', 'Should return error type');
|
|
assert(response.error.type === 'invalid_request_error',
|
|
`Expected invalid_request_error, got ${response.error?.type}`);
|
|
});
|
|
|
|
// Test 11: Missing model field (error case)
|
|
await test('Missing model returns error', async () => {
|
|
const response = await countTokensRequest({
|
|
messages: [
|
|
{ role: 'user', content: 'Hello' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 400, `Expected 400, got ${response.statusCode}`);
|
|
assert(response.type === 'error', 'Should return error type');
|
|
assert(response.error.type === 'invalid_request_error',
|
|
`Expected invalid_request_error, got ${response.error?.type}`);
|
|
});
|
|
|
|
// Test 12: Invalid messages type (error case)
|
|
await test('Invalid messages type returns error', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: 'not an array'
|
|
});
|
|
|
|
assert(response.statusCode === 400, `Expected 400, got ${response.statusCode}`);
|
|
assert(response.type === 'error', 'Should return error type');
|
|
});
|
|
|
|
// Test 13: Empty messages array
|
|
await test('Empty messages array returns token count', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: []
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
});
|
|
|
|
// Test 14: Multiple tools with complex schemas
|
|
await test('Multiple tools with complex schemas', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Help me with file operations' }
|
|
],
|
|
tools: [
|
|
{
|
|
name: 'read_file',
|
|
description: 'Read a file from the filesystem',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
path: { type: 'string', description: 'Path to the file' },
|
|
encoding: { type: 'string', description: 'File encoding' }
|
|
},
|
|
required: ['path']
|
|
}
|
|
},
|
|
{
|
|
name: 'write_file',
|
|
description: 'Write content to a file',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
path: { type: 'string', description: 'Path to the file' },
|
|
content: { type: 'string', description: 'Content to write' },
|
|
append: { type: 'boolean', description: 'Append mode' }
|
|
},
|
|
required: ['path', 'content']
|
|
}
|
|
},
|
|
{
|
|
name: 'list_directory',
|
|
description: 'List files in a directory',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
path: { type: 'string', description: 'Directory path' },
|
|
recursive: { type: 'boolean', description: 'List recursively' }
|
|
},
|
|
required: ['path']
|
|
}
|
|
}
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
// Multiple tools should have significant token count
|
|
assertGreater(response.input_tokens, 50, 'input_tokens for multiple tools');
|
|
});
|
|
|
|
// Test 15: Tool result as array content
|
|
await test('Tool result with array content', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'claude-sonnet-4-5',
|
|
messages: [
|
|
{ role: 'user', content: 'Search for files' },
|
|
{
|
|
role: 'assistant',
|
|
content: [
|
|
{ type: 'tool_use', id: 'tool_456', name: 'search', input: { query: 'test' } }
|
|
]
|
|
},
|
|
{
|
|
role: 'user',
|
|
content: [
|
|
{
|
|
type: 'tool_result',
|
|
tool_use_id: 'tool_456',
|
|
content: [
|
|
{ type: 'text', text: 'Found file1.txt' },
|
|
{ type: 'text', text: 'Found file2.txt' }
|
|
]
|
|
}
|
|
]
|
|
}
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 10, 'input_tokens');
|
|
});
|
|
|
|
// Test 16: Gemini model token counting
|
|
await test('Gemini model returns token count', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'gemini-3-flash',
|
|
messages: [
|
|
{ role: 'user', content: 'Hello, how are you?' }
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 0, 'input_tokens');
|
|
});
|
|
|
|
// Test 17: Gemini model with system prompt and tools
|
|
await test('Gemini model with system prompt and tools', async () => {
|
|
const response = await countTokensRequest({
|
|
model: 'gemini-3-flash',
|
|
system: 'You are a helpful assistant.',
|
|
messages: [
|
|
{ role: 'user', content: 'What is the weather in Tokyo?' }
|
|
],
|
|
tools: [
|
|
{
|
|
name: 'get_weather',
|
|
description: 'Get weather for a location',
|
|
input_schema: {
|
|
type: 'object',
|
|
properties: {
|
|
location: { type: 'string' }
|
|
}
|
|
}
|
|
}
|
|
]
|
|
});
|
|
|
|
assert(response.statusCode === 200, `Expected 200, got ${response.statusCode}`);
|
|
assertType(response.input_tokens, 'number', 'input_tokens');
|
|
assertGreater(response.input_tokens, 10, 'input_tokens for Gemini with tools');
|
|
});
|
|
|
|
// Summary
|
|
console.log('\n' + '═'.repeat(60));
|
|
console.log(`Tests completed: ${passed} passed, ${failed} failed`);
|
|
|
|
if (failed > 0) {
|
|
process.exit(1);
|
|
}
|
|
}
|
|
|
|
runTests().catch(err => {
|
|
console.error('Test suite failed:', err);
|
|
process.exit(1);
|
|
});
|