added tests for the given scenarios and created a repeat function that takes in a string and count to create a new string

Author: asaniDev

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

@@ -1,5 +1,18 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str, count) {
+  let newStr = "";
+
+  if (count === 0) {
+    return newStr;
+  } else if (count === 1) {
+    return (newStr += str);
+  } else if (count > 1) {
+    for (let i = 0; i < count; i++) {
+      newStr += str;
+    }
+    return newStr;
+  } else {
+    return "Error invalid count used, please use integers from 0 upwards.";
+  }
 }
 
 module.exports = repeat;

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

@@ -20,13 +20,33 @@ test("should repeat the string count times", () => {
 // Given a target string str and a count equal to 1,
 // When the repeat function is called with these inputs,
 // Then it should return the original str without repetition, ensuring that a count of 1 results in no repetition.
+test("should return the original string without repetition", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
 
 // case: Handle Count of 0:
 // Given a target string str and a count equal to 0,
 // When the repeat function is called with these inputs,
 // Then it should return an empty string, ensuring that a count of 0 results in an empty output.
+test("should return an empty string", () => {
+  const str = "hello";
+  const count = 0;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("");
+});
 
 // case: Negative Count:
 // Given a target string str and a negative integer count,
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
+test("should throw an error for invalid count", () => {
+  const str = "hello";
+  const count = -4;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual(
+    "Error invalid count used, please use integers from 0 upwards."
+  );
+});