89 lines
2.6 KiB
TypeScript
89 lines
2.6 KiB
TypeScript
import * as fs from "fs";
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import * as path from "path";
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import * as os from "os";
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import * as crypto from "crypto";
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import { getTestMcpServerCommand } from "./test-server-stdio.js";
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/**
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* Sentinel value for tests that don't need a real server
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* (tests that expect failure before connecting)
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*/
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export const NO_SERVER_SENTINEL = "invalid-command-that-does-not-exist";
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/**
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* Create a sample test config with test-stdio and test-http servers
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* Returns a temporary config file path that should be cleaned up with deleteConfigFile()
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* @param httpUrl - Optional full URL (including /mcp path) for test-http server.
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* If not provided, uses a placeholder URL. The test-http server exists
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* to test server selection logic and may not actually be used.
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*/
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export function createSampleTestConfig(httpUrl?: string): string {
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const { command, args } = getTestMcpServerCommand();
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return createTestConfig({
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mcpServers: {
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"test-stdio": {
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type: "stdio",
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command,
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args,
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env: {
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HELLO: "Hello MCP!",
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},
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},
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"test-http": {
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type: "streamable-http",
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url: httpUrl || "http://localhost:3001/mcp",
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},
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},
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});
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}
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/**
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* Create a temporary directory for test files
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* Uses crypto.randomUUID() to ensure uniqueness even when called in parallel
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*/
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function createTempDir(prefix: string = "mcp-inspector-test-"): string {
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const uniqueId = crypto.randomUUID();
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const tempDir = path.join(os.tmpdir(), `${prefix}${uniqueId}`);
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fs.mkdirSync(tempDir, { recursive: true });
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return tempDir;
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}
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/**
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* Clean up temporary directory
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*/
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function cleanupTempDir(dir: string) {
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try {
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fs.rmSync(dir, { recursive: true, force: true });
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} catch (err) {
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// Ignore cleanup errors
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}
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}
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/**
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* Create a test config file
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*/
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export function createTestConfig(config: {
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mcpServers: Record<string, any>;
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}): string {
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const tempDir = createTempDir("mcp-inspector-config-");
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const configPath = path.join(tempDir, "config.json");
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fs.writeFileSync(configPath, JSON.stringify(config, null, 2));
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return configPath;
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}
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/**
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* Create an invalid config file (malformed JSON)
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*/
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export function createInvalidConfig(): string {
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const tempDir = createTempDir("mcp-inspector-config-");
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const configPath = path.join(tempDir, "invalid-config.json");
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fs.writeFileSync(configPath, '{\n "mcpServers": {\n "invalid": {');
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return configPath;
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}
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/**
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* Delete a config file and its containing directory
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*/
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export function deleteConfigFile(configPath: string): void {
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cleanupTempDir(path.dirname(configPath));
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}
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