Editing repeat code

Author: Alaa-Tagi

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

@@ -1,5 +1,17 @@
 function repeat() {
-  return "hellohellohello";
+   const str = arguments[0];
+  const count = arguments[1];
+  if (count < 0) {
+    throw new Error("Count must be a non-negative integer");
+  }
+  let result = "";
+  for (let i = 0; i < count; i++) {
+    result += str;
+  }
+  return result;
 }
 
+
 module.exports = repeat;
+console.log(repeat("hello", 3));
+

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

@@ -2,7 +2,7 @@
 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:
+// Then it should: repeat the str count times and return a new string containing the repeated str values.
 
 // case: repeat String:
 // Given a target string str and a positive integer count,
@@ -21,12 +21,29 @@ test("should repeat the string count times", () => {
 // 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 = "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 when count is 0", () => {
+  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 when count is negative", () => {
+  const str = "hello";
+  const count = -2;
+  expect(() => repeat(str, count)).toThrow("Count must be a non-negative integer");
+});