Sheffield | 26-ITP-Jan | Karim Mhamdi | Sprint 3 | Practice TDD

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

@@ -1,5 +1,13 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let count = 0;
+
+  for (let i = 0; i < stringOfCharacters.length; i++) {
+    if (stringOfCharacters[i] === findCharacter) {
+      count++;
+    }
+  }
+
+  return count;
 }
 
 module.exports = countChar;

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

@@ -22,3 +22,21 @@ test("should count multiple occurrences of a character", () => {
 // And a character `char` that does not exist within `str`.
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of `char` were found.
+test("should return 0 when the character does not occur in the string", () => {
+  const str = "hello world";
+  const char = "x";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+// Scenario: Case Sensitivity
+// Given the input string `str`,
+// And a character `char` that occurs in `str` but with different cases (e.g., 'a' and 'A'),
+// When the function is called with these inputs,
+// Then it should count only the occurrences of `char` that match the case provided in the input.
+test("should count only occurrences of the character that match the case", () => {
+  const str = "AaAaA";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(2);
+});

Sprint-3/2-practice-tdd/get-ordinal-number.js

@@ -1,5 +1,22 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  const lastDigit = num % 10;
+  const lastTwoDigits = num % 100;
+
+  if (lastTwoDigits >= 11 && lastTwoDigits <= 13) {
+    return `${num}th`;
+  }
+
+  switch (lastDigit) {
+    case 1:
+      return `${num}st`;
+    case 2:
+      return `${num}nd`;
+    case 3:
+      return `${num}rd`;
+    default:
+      return `${num}th`;
+  }
 }
 
 module.exports = getOrdinalNumber;
+

Sprint-3/2-practice-tdd/get-ordinal-number.test.js

@@ -18,3 +18,4 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+

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

@@ -3,3 +3,5 @@ function repeatStr() {
 }
 
 module.exports = repeatStr;
+
+

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

@@ -30,3 +30,5 @@ test("should repeat the string count times", () => {
 // Given a target string `str` and a negative integer `count`,
 // When the repeatStr function is called with these inputs,
 // Then it should throw an error, as negative counts are not valid.
+
+