added import node test and assert

Author: zakiaao-tech

practice-tdd/repeat-str.test.js

@@ -1,4 +1,6 @@
 // Implement a function repeatStr
+import { test } from "node:test";
+import { strict as assert } from "node:assert";
 import { repeatStr } from "./repeat-str.js";
 // Given a target string `str` and a positive integer `count`,
 // When the repeatStr function is called with these inputs,
@@ -13,7 +15,7 @@ test("should repeat the string count times", () => {
   const str = "hello";
   const count = 3;
   const repeatedStr = repeatStr(str, count);
-  expect(repeatedStr).toEqual("hellohellohello");
+  assert.equal(repeatedStr, "hellohellohello");
 });
 
 // Case: handle count of 1:
@@ -25,7 +27,7 @@ test("should return the original string when count is 1", () => {
   const str = "hello";
   const count = 1;
   const repeatedStr = repeatStr(str, count);
-  expect(repeatedStr).toEqual("hello");
+  assert.equal(repeatedStr, "hello");
 });
 
 // Case: Handle count of 0:
@@ -37,7 +39,7 @@ test("should return an empty string when count is 0", () => {
   const str = "hello";
   const count = 0;
   const repeatedStr = repeatStr(str, count);
-  expect(repeatedStr).toEqual("");
+  assert.equal(repeatedStr, "");
 });
 
 // Case: Handle negative count:
@@ -49,5 +51,7 @@ test("should throw an error when count is negative", () => {
   const str = "hello";
   const count = -1;
 
-  expect(() => repeatStr(str, count)).toThrow();
+  assert.throws(() => {
+    repeatStr(str, count);
+  });
 });