fix(test): Refactor test suite for improved readability and maintainability.

test/test.readme.node.ts

@@ -1,53 +1,57 @@
 import * as smartpromise from '../ts/index.js';
-
-// using Deferreds
-// simple deferred;
-const done = smartpromise.defer();
-done.promise.then((stringArg) => {
-  console.log(stringArg);
-});
-done.resolve('hello'); // whenever you are ready
-
-// using deferreds in async functions to cater callback style apis
-const myAsyncFunction = async (): Promise<string> => {
-  const done = smartpromise.defer<string>(); // returns your typical Deferred object
-  setTimeout(() => {
-    done.resolve('hi'); // will throw type error for other types than string as argument ;)
-  }, 6000);
-
-  console.log(done.status); // logs "pending";
-  await done.promise;
-  console.log(done.status); // logs "fullfilled"
-  console.log(done.duration); // outputs the duration in millisenconds
-
-  return done.promise;
-};
-
-let myAsyncFunction2 = async () => {
-  let aString = await myAsyncFunction();
-  console.log(aString); // will log 'hi' to console
-};
-
-myAsyncFunction2();
-
-// Resolved and Rejected promises
-// ------------------------------------------------
-smartpromise.resolvedPromise(`I'll get logged to console soon`).then((x) => {
-  console.log(x);
-});
-
-smartpromise
-  .rejectedPromise(`what a lovely error message`)
-  .then(
-    () => {
-      console.log('This never makes it to console');
-    } /*, alternatively put a reject function here */
-  )
-  .catch((err) => {
-    console.log(err);
-  });
-
 import { tap, expect } from '@push.rocks/tapbundle';
 
-tap.test('runs through', async () => {});
+tap.test('simple deferred should resolve with correct value', async () => {
+  const done = smartpromise.defer<string>();
+  let result: string | undefined;
+  
+  done.promise.then((stringArg) => {
+    result = stringArg;
+  });
+  done.resolve('hello');
+  
+  await done.promise;
+  expect(result).toEqual('hello');
+});
+
+tap.test('deferred should work with async functions and track status/duration', async () => {
+  const myAsyncFunction = async (): Promise<string> => {
+    const done = smartpromise.defer<string>();
+    
+    setTimeout(() => {
+      done.resolve('hi');
+    }, 100); // reduced timeout for testing
+    
+    expect(done.status).toEqual('pending');
+    await done.promise;
+    expect(done.status).toEqual('fulfilled');
+    expect(done.duration).toBeGreaterThan(0);
+    
+    return done.promise;
+  };
+
+  const result = await myAsyncFunction();
+  expect(result).toEqual('hi');
+});
+
+tap.test('resolvedPromise should resolve immediately with correct value', async () => {
+  const message = `I'll get logged to console soon`;
+  const result = await smartpromise.resolvedPromise(message);
+  expect(result).toEqual(message);
+});
+
+tap.test('rejectedPromise should reject with correct error message', async () => {
+  const errorMessage = 'what a lovely error message';
+  let caught = false;
+  
+  try {
+    await smartpromise.rejectedPromise(errorMessage);
+  } catch (err) {
+    caught = true;
+    expect(err).toEqual(errorMessage);
+  }
+  
+  expect(caught).toEqual(true);
+});
+
 export default tap.start();