repeat.test.js updated template

Author: Fithi-Teklom

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

@@ -1,3 +1,5 @@
+const repeat = require("./repeat");
+
 function repeat() {
   return "hellohellohello";
 }

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

@@ -3,6 +3,14 @@ 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:
+function repeat(str, count) {
+  if (count < 0) {
+    throw new Error("Count must be a non-negative integer");
+  }
+  return str.repeat(count);
+}
+
+module.exports = repeat;
 
 // case: repeat String:
 // Given a target string str and a positive integer count,
@@ -30,3 +38,35 @@ test("should repeat the string count times", () => {
 // 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.
+const repeat = require("./repeat");
+
+// Case 1: Repeat string multiple times
+test("should repeat the string count times", () => {
+  const str = "hello";
+  const count = 3;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("hellohellohello");
+});
+
+// Case 2: Handle count of 1
+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 3: Handle count of 0
+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 4: Negative count
+test("should throw an error when count is negative", () => {
+  const str = "oops";
+  const count = -2;
+  expect(() => repeat(str, count)).toThrow("Count must be a non-negative integer");
+});