2-practice-tdd/repeat test

Author: enjoy15

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

@@ -1,5 +1,20 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str, count) {
+  // Handle edge cases
+  if (count < 0) {
+    throw new Error("Count cannot be negative");
+  }
+  
+  if (count === 0) {
+    return "";
+  }
+  
+  // Build the repeated string
+  let result = "";
+  for (let i = 0; i < count; i++) {
+    result += str;
+  }
+  
+  return result;
 }
 
 module.exports = repeat;

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

@@ -19,14 +19,31 @@ test("should repeat the string count times", () => {
 // case: handle Count of 1:
 // 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.
+// 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 for count of 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 for count of 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 for negative count", () => {
+  const str = "hello";
+  const count = -2;
+  expect(() => repeat(str, count)).toThrow("Count cannot be negative");
+});