feat(test): add useful unit tests

Author: lukeocodes

.dockerignore

@@ -107,4 +107,4 @@ dist
 docs/v2
 
 # testing
-testServer/
+testServer/

.gitignore

@@ -0,0 +1 @@
+22.9.0 

.nvmrc

@@ -2,7 +2,9 @@
 
 [![Discord](https://dcbadge.vercel.app/api/server/xWRaCDBtW4?style=flat)](https://discord.gg/xWRaCDBtW4) [![CI](https://github.com/deepgram/node-sdk/actions/workflows/CI.yml/badge.svg)](https://github.com/deepgram/node-sdk/actions/workflows/CI.yml) [![npm (scoped)](https://img.shields.io/npm/v/@deepgram/sdk)](https://www.npmjs.com/package/@deepgram/sdk) [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-v2.0%20adopted-ff69b4.svg?style=flat-rounded)](CODE_OF_CONDUCT.md)
 
-Official JavaScript SDK for [Deepgram](https://www.deepgram.com/). Power your apps with world-class speech and Language AI models.
+> 🎯 **Development Setup**: This project uses [Corepack](https://nodejs.org/api/corepack.html) for package manager consistency. Run `corepack enable` once, then use `pnpm` commands normally. See [DEVELOPMENT.md](./DEVELOPMENT.md) for details.
+
+Isomorphic Javascript client for Deepgram's automated speech recognition APIs.
 
 - [Documentation](#documentation)
 - [Migrating from earlier versions](#migrating-from-earlier-versions)

.yaml-lint.json

@@ -0,0 +1,50 @@
+/** @type {import('jest').Config} */
+/* eslint-env node */
+module.exports = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+
+  // Test file patterns
+  testMatch: ["<rootDir>/tests/**/*.test.ts", "<rootDir>/tests/**/*.spec.ts"],
+
+  // Module path mapping
+  moduleNameMapper: {
+    "^@/(.*)$": "<rootDir>/src/$1",
+    "^@deepgram/sdk$": "<rootDir>/src/index.ts",
+  },
+
+  // Setup files
+  setupFilesAfterEnv: ["<rootDir>/tests/setup.ts"],
+
+  // Coverage configuration
+  collectCoverageFrom: [
+    "src/**/*.ts",
+    "!src/**/*.d.ts",
+    "!src/**/index.ts",
+    "!src/**/__tests__/**",
+    "!src/**/__mocks__/**",
+  ],
+
+  coverageDirectory: "coverage",
+  coverageReporters: ["text", "lcov", "html", "json"],
+
+  // Test timeout
+  testTimeout: 10000,
+
+  // Transform configuration
+  transform: {
+    "^.+\\.ts$": [
+      "ts-jest",
+      {
+        tsconfig: "tsconfig.json",
+      },
+    ],
+  },
+
+  // Module file extensions
+  moduleFileExtensions: ["ts", "js", "json"],
+
+  // Clear mocks between tests
+  clearMocks: true,
+  restoreMocks: true,
+};