Implement repeat function with error handling for negative counts and add corresponding tests

Author: Payman IB

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

@@ -1,5 +1,16 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str , count) {
+  if (count < 0) {
+    return "Count must be a non-negative integer";
+  }
+  if (count === 0) {
+    return "";
+  } 
+  for (let i = 0; i < count; i++) { 
+    return str.repeat(count);
+  } 
 }
+  console.log(repeat("hello", -2));
+  
+
 
 module.exports = repeat;

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

@@ -1,9 +1,5 @@
 // Implement a function repeat
 const repeat = require("./repeat");
-// Given a target string str and a positive integer count,
-// When the repeat function is called with these inputs,
-// Then it should:
-
 // case: repeat String:
 // Given a target string str and a positive integer count,
 // When the repeat function is called with these inputs,
@@ -20,13 +16,29 @@ 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 when count is 1", () => {
+  const str = "world";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("world");
+});
 // 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 when count is 0", () => {
+  const str = "test";
+  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 return a message for negative count", () => {
+  const str = "error";
+  const count = -2;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("Count must be a non-negative integer");
+});