Solved task Sprint-3/2-practice-tdd/count.js and test cases

Author: Konvaly

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

@@ -1,5 +1,9 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  const arrToStr = stringOfCharacters.split("");
+
+  const countCharInArr = arrToStr.filter((char) => char === findCharacter);
+
+  return countCharInArr.length;
 }
 
 module.exports = countChar;

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

@@ -22,3 +22,9 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+test("should return 0 if there's no occurrences  of the char were found in the case-sensitive str", () => {
+  const str = "aaaaABcGRja";
+  const char = "b";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});