inspector/cli/scripts/cli-tool-tests.js
2025-08-01 20:40:28 -07:00

614 lines
14 KiB
JavaScript

#!/usr/bin/env node
// Colors for output
const colors = {
GREEN: "\x1b[32m",
YELLOW: "\x1b[33m",
RED: "\x1b[31m",
BLUE: "\x1b[34m",
ORANGE: "\x1b[33m",
NC: "\x1b[0m", // No Color
};
import fs from "fs";
import path from "path";
import { spawn } from "child_process";
import os from "os";
import { fileURLToPath } from "url";
// Get directory paths with ESM compatibility
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
// Track test results
let PASSED_TESTS = 0;
let FAILED_TESTS = 0;
let SKIPPED_TESTS = 0;
let TOTAL_TESTS = 0;
console.log(`${colors.YELLOW}=== MCP Inspector CLI Tool Tests ===${colors.NC}`);
console.log(
`${colors.BLUE}This script tests the MCP Inspector CLI's tool-related functionality:${colors.NC}`,
);
console.log(`${colors.BLUE}- Tool discovery and listing${colors.NC}`);
console.log(
`${colors.BLUE}- JSON argument parsing (strings, numbers, booleans, objects, arrays)${colors.NC}`,
);
console.log(`${colors.BLUE}- Tool schema validation${colors.NC}`);
console.log(
`${colors.BLUE}- Tool execution with various argument types${colors.NC}`,
);
console.log(
`${colors.BLUE}- Error handling for invalid tools and arguments${colors.NC}`,
);
console.log(`\n`);
// Get directory paths
const SCRIPTS_DIR = __dirname;
const PROJECT_ROOT = path.join(SCRIPTS_DIR, "../../");
const BUILD_DIR = path.resolve(SCRIPTS_DIR, "../build");
// Define the test server command using npx
const TEST_CMD = "npx";
const TEST_ARGS = ["@modelcontextprotocol/server-everything"];
// Create output directory for test results
const OUTPUT_DIR = path.join(SCRIPTS_DIR, "tool-test-output");
if (!fs.existsSync(OUTPUT_DIR)) {
fs.mkdirSync(OUTPUT_DIR, { recursive: true });
}
// Create a temporary directory for test files
const TEMP_DIR = path.join(os.tmpdir(), "mcp-inspector-tool-tests");
fs.mkdirSync(TEMP_DIR, { recursive: true });
// Track servers for cleanup
let runningServers = [];
process.on("exit", () => {
try {
fs.rmSync(TEMP_DIR, { recursive: true, force: true });
} catch (err) {
console.error(
`${colors.RED}Failed to remove temp directory: ${err.message}${colors.NC}`,
);
}
runningServers.forEach((server) => {
try {
process.kill(-server.pid);
} catch (e) {}
});
});
process.on("SIGINT", () => {
runningServers.forEach((server) => {
try {
process.kill(-server.pid);
} catch (e) {}
});
process.exit(1);
});
// Function to run a basic test
async function runBasicTest(testName, ...args) {
const outputFile = path.join(
OUTPUT_DIR,
`${testName.replace(/\//g, "_")}.log`,
);
console.log(`\n${colors.YELLOW}Testing: ${testName}${colors.NC}`);
TOTAL_TESTS++;
// Run the command and capture output
console.log(
`${colors.BLUE}Command: node ${BUILD_DIR}/cli.js ${args.join(" ")}${colors.NC}`,
);
try {
// Create a write stream for the output file
const outputStream = fs.createWriteStream(outputFile);
// Spawn the process
return new Promise((resolve) => {
const child = spawn("node", [path.join(BUILD_DIR, "cli.js"), ...args], {
stdio: ["ignore", "pipe", "pipe"],
});
const timeout = setTimeout(() => {
console.log(`${colors.YELLOW}Test timed out: ${testName}${colors.NC}`);
child.kill();
}, 10000);
// Pipe stdout and stderr to the output file
child.stdout.pipe(outputStream);
child.stderr.pipe(outputStream);
// Also capture output for display
let output = "";
child.stdout.on("data", (data) => {
output += data.toString();
});
child.stderr.on("data", (data) => {
output += data.toString();
});
child.on("close", (code) => {
clearTimeout(timeout);
outputStream.end();
if (code === 0) {
console.log(`${colors.GREEN}✓ Test passed: ${testName}${colors.NC}`);
console.log(`${colors.BLUE}First few lines of output:${colors.NC}`);
const firstFewLines = output
.split("\n")
.slice(0, 5)
.map((line) => ` ${line}`)
.join("\n");
console.log(firstFewLines);
PASSED_TESTS++;
resolve(true);
} else {
console.log(`${colors.RED}✗ Test failed: ${testName}${colors.NC}`);
console.log(`${colors.RED}Error output:${colors.NC}`);
console.log(
output
.split("\n")
.map((line) => ` ${line}`)
.join("\n"),
);
FAILED_TESTS++;
// Stop after any error is encountered
console.log(
`${colors.YELLOW}Stopping tests due to error. Please validate and fix before continuing.${colors.NC}`,
);
process.exit(1);
}
});
});
} catch (error) {
console.error(
`${colors.RED}Error running test: ${error.message}${colors.NC}`,
);
FAILED_TESTS++;
process.exit(1);
}
}
// Function to run an error test (expected to fail)
async function runErrorTest(testName, ...args) {
const outputFile = path.join(
OUTPUT_DIR,
`${testName.replace(/\//g, "_")}.log`,
);
console.log(`\n${colors.YELLOW}Testing error case: ${testName}${colors.NC}`);
TOTAL_TESTS++;
// Run the command and capture output
console.log(
`${colors.BLUE}Command: node ${BUILD_DIR}/cli.js ${args.join(" ")}${colors.NC}`,
);
try {
// Create a write stream for the output file
const outputStream = fs.createWriteStream(outputFile);
// Spawn the process
return new Promise((resolve) => {
const child = spawn("node", [path.join(BUILD_DIR, "cli.js"), ...args], {
stdio: ["ignore", "pipe", "pipe"],
});
const timeout = setTimeout(() => {
console.log(
`${colors.YELLOW}Error test timed out: ${testName}${colors.NC}`,
);
child.kill();
}, 10000);
// Pipe stdout and stderr to the output file
child.stdout.pipe(outputStream);
child.stderr.pipe(outputStream);
// Also capture output for display
let output = "";
child.stdout.on("data", (data) => {
output += data.toString();
});
child.stderr.on("data", (data) => {
output += data.toString();
});
child.on("close", (code) => {
clearTimeout(timeout);
outputStream.end();
// For error tests, we expect a non-zero exit code
if (code !== 0) {
console.log(
`${colors.GREEN}✓ Error test passed: ${testName}${colors.NC}`,
);
console.log(`${colors.BLUE}Error output (expected):${colors.NC}`);
const firstFewLines = output
.split("\n")
.slice(0, 5)
.map((line) => ` ${line}`)
.join("\n");
console.log(firstFewLines);
PASSED_TESTS++;
resolve(true);
} else {
console.log(
`${colors.RED}✗ Error test failed: ${testName} (expected error but got success)${colors.NC}`,
);
console.log(`${colors.RED}Output:${colors.NC}`);
console.log(
output
.split("\n")
.map((line) => ` ${line}`)
.join("\n"),
);
FAILED_TESTS++;
// Stop after any error is encountered
console.log(
`${colors.YELLOW}Stopping tests due to error. Please validate and fix before continuing.${colors.NC}`,
);
process.exit(1);
}
});
});
} catch (error) {
console.error(
`${colors.RED}Error running test: ${error.message}${colors.NC}`,
);
FAILED_TESTS++;
process.exit(1);
}
}
// Run all tests
async function runTests() {
console.log(
`\n${colors.YELLOW}=== Running Tool Discovery Tests ===${colors.NC}`,
);
// Test 1: List available tools
await runBasicTest(
"tool_discovery_list",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/list",
);
console.log(
`\n${colors.YELLOW}=== Running JSON Argument Parsing Tests ===${colors.NC}`,
);
// Test 2: String arguments (backward compatibility)
await runBasicTest(
"json_args_string",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"message=hello world",
);
// Test 3: Number arguments
await runBasicTest(
"json_args_number_integer",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"add",
"--tool-arg",
"a=42",
"b=58",
);
// Test 4: Number arguments with decimals (using add tool with decimal numbers)
await runBasicTest(
"json_args_number_decimal",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"add",
"--tool-arg",
"a=19.99",
"b=20.01",
);
// Test 5: Boolean arguments - true
await runBasicTest(
"json_args_boolean_true",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"annotatedMessage",
"--tool-arg",
"messageType=success",
"includeImage=true",
);
// Test 6: Boolean arguments - false
await runBasicTest(
"json_args_boolean_false",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"annotatedMessage",
"--tool-arg",
"messageType=error",
"includeImage=false",
);
// Test 7: Null arguments (using echo with string "null")
await runBasicTest(
"json_args_null",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
'message="null"',
);
// Test 14: Multiple arguments with mixed types (using add tool)
await runBasicTest(
"json_args_multiple_mixed",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"add",
"--tool-arg",
"a=42.5",
"b=57.5",
);
console.log(
`\n${colors.YELLOW}=== Running JSON Parsing Edge Cases ===${colors.NC}`,
);
// Test 15: Invalid JSON should fall back to string
await runBasicTest(
"json_args_invalid_fallback",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"message={invalid json}",
);
// Test 16: Empty string value
await runBasicTest(
"json_args_empty_value",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
'message=""',
);
// Test 17: Special characters in strings
await runBasicTest(
"json_args_special_chars",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
'message="C:\\\\Users\\\\test"',
);
// Test 18: Unicode characters
await runBasicTest(
"json_args_unicode",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
'message="🚀🎉✨"',
);
// Test 19: Arguments with equals signs in values
await runBasicTest(
"json_args_equals_in_value",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"message=2+2=4",
);
// Test 20: Base64-like strings
await runBasicTest(
"json_args_base64_like",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"message=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIn0=",
);
console.log(
`\n${colors.YELLOW}=== Running Tool Error Handling Tests ===${colors.NC}`,
);
// Test 21: Non-existent tool
await runErrorTest(
"tool_error_nonexistent",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"nonexistent_tool",
"--tool-arg",
"message=test",
);
// Test 22: Missing tool name
await runErrorTest(
"tool_error_missing_name",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-arg",
"message=test",
);
// Test 23: Invalid tool argument format
await runErrorTest(
"tool_error_invalid_arg_format",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"invalid_format_no_equals",
);
console.log(
`\n${colors.YELLOW}=== Running Prompt JSON Argument Tests ===${colors.NC}`,
);
// Test 24: Prompt with JSON arguments
await runBasicTest(
"prompt_json_args_mixed",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"prompts/get",
"--prompt-name",
"complex_prompt",
"--prompt-args",
"temperature=0.7",
'style="concise"',
'options={"format":"json","max_tokens":100}',
);
// Test 25: Prompt with simple arguments
await runBasicTest(
"prompt_json_args_simple",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"prompts/get",
"--prompt-name",
"simple_prompt",
"--prompt-args",
"name=test",
"count=5",
);
console.log(
`\n${colors.YELLOW}=== Running Backward Compatibility Tests ===${colors.NC}`,
);
// Test 26: Ensure existing string-only usage still works
await runBasicTest(
"backward_compatibility_strings",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"echo",
"--tool-arg",
"message=hello",
);
// Test 27: Multiple string arguments (existing pattern) - using add tool
await runBasicTest(
"backward_compatibility_multiple_strings",
TEST_CMD,
...TEST_ARGS,
"--cli",
"--method",
"tools/call",
"--tool-name",
"add",
"--tool-arg",
"a=10",
"b=20",
);
// Print test summary
console.log(`\n${colors.YELLOW}=== Test Summary ===${colors.NC}`);
console.log(`${colors.GREEN}Passed: ${PASSED_TESTS}${colors.NC}`);
console.log(`${colors.RED}Failed: ${FAILED_TESTS}${colors.NC}`);
console.log(`${colors.ORANGE}Skipped: ${SKIPPED_TESTS}${colors.NC}`);
console.log(`Total: ${TOTAL_TESTS}`);
console.log(
`${colors.BLUE}Detailed logs saved to: ${OUTPUT_DIR}${colors.NC}`,
);
console.log(`\n${colors.GREEN}All tool tests completed!${colors.NC}`);
}
// Run all tests
runTests().catch((error) => {
console.error(
`${colors.RED}Tests failed with error: ${error.message}${colors.NC}`,
);
process.exit(1);
});