implemented a function and wrote different test cases for the repeat string function

Author: Mona-Eltantawy

Sprint-3/2-practice-tdd/repeat-str.js

@@ -1,5 +1,7 @@
-function repeatStr() {
-  return "hellohellohello";
+function repeatStr(str, count) {
+  if( count >= 0 )
+  {return str.repeat (count)};
+else { return 'invalid count'};
 }
 
 module.exports = repeatStr;

Sprint-3/2-practice-tdd/repeat-str.test.js

@@ -20,13 +20,29 @@ test("should repeat the string count times", () => {
 // Given a target string `str` and a `count` equal to 1,
 // When the repeatStr function is called with these inputs,
 // Then it should return the original `str` without repetition.
-
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
 // Case: Handle count of 0:
 // Given a target string `str` and a `count` equal to 0,
 // When the repeatStr function is called with these inputs,
 // Then it should return an empty string.
-
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = 0;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual(" ");
+});
 // Case: Handle negative count:
 // Given a target string `str` and a negative integer `count`,
 // When the repeatStr function is called with these inputs,
 // Then it should throw an error, as negative counts are not valid.
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = -1;
+  const repeatedStr = repeatStr(str, count);
+  expect(repeatedStr).toEqual("invalid count");
+});