#!/usr/bin/env node
/**
* Test Default Values in MCP Tools
* Verifies that tools work with minimal or no parameters using defaults
*/
import { spawn } from 'child_process';
console.log("š Testing MCP Tools with Default Values...\n");
const serverProcess = spawn('node', ['dist/index.js'], {
cwd: '/home/gvaibhav/Documents/TAM-MCP-Server',
stdio: ['pipe', 'pipe', 'pipe']
});
let responseData = '';
let requestCount = 0;
const responses = [];
// Collect responses
serverProcess.stdout.on('data', (data) => {
const text = data.toString();
responseData += text;
// Parse JSON responses
const lines = text.split('\n').filter(line => line.trim());
for (const line of lines) {
try {
const response = JSON.parse(line);
if (response.id && response.result) {
responses.push(response);
}
} catch (e) {
// Not JSON, skip
}
}
});
// Log server messages
serverProcess.stderr.on('data', (data) => {
const message = data.toString().trim();
if (message.includes('TAM MCP Server initialized')) {
console.log("ā
Server initialized successfully");
}
});
// Test sequence
async function runTests() {
// Wait for server to initialize
await new Promise(resolve => setTimeout(resolve, 3000));
console.log("š Test 1: Alpha Vantage Company Overview (no parameters - should use AAPL default)");
const alphaVantageTest = {
jsonrpc: "2.0",
id: ++requestCount,
method: "tools/call",
params: {
name: "alphaVantage_getCompanyOverview",
arguments: {} // Empty - should use default symbol "AAPL"
}
};
serverProcess.stdin.write(JSON.stringify(alphaVantageTest) + '\n');
await new Promise(resolve => setTimeout(resolve, 2000));
console.log("š° Test 2: TAM Calculator (partial parameters - should use defaults for missing ones)");
const tamCalculatorTest = {
jsonrpc: "2.0",
id: ++requestCount,
method: "tools/call",
params: {
name: "tam_calculator",
arguments: {
baseMarketSize: 5000000000 // Only provide one parameter, others should default
}
}
};
serverProcess.stdin.write(JSON.stringify(tamCalculatorTest) + '\n');
await new Promise(resolve => setTimeout(resolve, 2000));
console.log("š Test 3: World Bank Indicator (no parameters - should use USA and GDP defaults)");
const worldBankTest = {
jsonrpc: "2.0",
id: ++requestCount,
method: "tools/call",
params: {
name: "worldBank_getIndicatorData",
arguments: {} // Empty - should use defaults
}
};
serverProcess.stdin.write(JSON.stringify(worldBankTest) + '\n');
await new Promise(resolve => setTimeout(resolve, 2000));
console.log("š Test 4: Company Financials (minimal parameters - should use defaults)");
const financialsTest = {
jsonrpc: "2.0",
id: ++requestCount,
method: "tools/call",
params: {
name: "company_financials_retriever",
arguments: {
companySymbol: "MSFT" // Only provide symbol, others should default
}
}
};
serverProcess.stdin.write(JSON.stringify(financialsTest) + '\n');
await new Promise(resolve => setTimeout(resolve, 2000));
console.log("š Test 5: Industry Search (no parameters - should use defaults)");
const industrySearchTest = {
jsonrpc: "2.0",
id: ++requestCount,
method: "tools/call",
params: {
name: "industry_search",
arguments: {} // Empty - should use defaults
}
};
serverProcess.stdin.write(JSON.stringify(industrySearchTest) + '\n');
// Wait for all responses
await new Promise(resolve => setTimeout(resolve, 5000));
// Process results
console.log("\nš Test Results:");
console.log(`Received ${responses.length} responses\n`);
responses.forEach((response, index) => {
console.log(`š Response ${index + 1}:`);
if (response.error) {
console.log(`ā Error: ${response.error.message}`);
} else if (response.result && response.result.content) {
const content = response.result.content[0];
if (response.result.isError) {
console.log(`ā Tool Error: ${content.text}`);
} else {
console.log(`ā
Success: Tool executed with defaults`);
console.log(`š Preview: ${content.text.substring(0, 100)}...`);
}
} else {
console.log(`ā
Response received: ${JSON.stringify(response.result).substring(0, 100)}...`);
}
console.log();
});
// Summary
console.log("š Default Values Test Summary:");
const successCount = responses.filter(r => !r.error && !(r.result && r.result.isError)).length;
const totalTests = 5;
console.log(`ā
Successful tool calls: ${successCount}/${totalTests}`);
console.log(`ā Failed tool calls: ${totalTests - successCount}/${totalTests}`);
if (successCount >= 3) {
console.log("š DEFAULT VALUES WORKING - Tools can use defaults for missing parameters!");
} else {
console.log("ā ļø Some default value tests failed - check implementation");
}
// Cleanup
serverProcess.kill();
process.exit(0);
}
// Handle server errors
serverProcess.on('error', (error) => {
console.error(`ā Server error: ${error.message}`);
process.exit(1);
});
// Start tests
runTests().catch(error => {
console.error(`ā Test error: ${error.message}`);
serverProcess.kill();
process.exit(1);
});
// Timeout after 30 seconds
setTimeout(() => {
console.log("ā° Test timeout - terminating");
serverProcess.kill();
process.exit(1);
}, 30000);
