Cape Town| 26-ITP-May|Enice Mutanda| Sprint 3 |Practice-Tdd

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

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

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

@@ -1,4 +1,5 @@
 // implement a function countChar that counts the number of times a character occurs in a string
+// implement a function countChar that counts the number of times a character occurs in a string
 const countChar = require("./count");
 // Given a string `str` and a single character `char` to search for,
 // When the countChar function is called with these inputs,
@@ -9,7 +10,6 @@ const countChar = require("./count");
 // And a character `char` that occurs one or more times in `str` (e.g., 'a' in 'aaaaa'),
 // When the function is called with these inputs,
 // Then it should correctly count occurrences of `char`.
-
 test("should count multiple occurrences of a character", () => {
   const str = "aaaaa";
   const char = "a";
@@ -22,3 +22,9 @@ 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", () => {
+  const str = "aaaaa";
+  const char = "b";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});

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

@@ -1,5 +1,20 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  const lastTwoDigits = num % 100;
+  const lastDigit = num % 10;
+
+  if (lastTwoDigits >= 11 && lastTwoDigits <= 13) {
+    return `${num}th`;
+  }
+
+  if (lastDigit === 1) {
+    return `${num}st`;
+  } else if (lastDigit === 2) {
+    return `${num}nd`;
+  } else if (lastDigit === 3) {
+    return `${num}rd`;
+  } else {
+    return `${num}th`;
+  }
 }
 
-module.exports = getOrdinalNumber;
+module.exports = getOrdinalNumber;

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

@@ -15,6 +15,18 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // Then the function should return a string by appending "st" to the number.
 test("should append 'st' for numbers ending with 1, except those ending with 11", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
-  expect(getOrdinalNumber(21)).toEqual("21st");
+  expect(getOrdinalNumber(31)).toEqual("31st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+ test(`should append 'nd' for numbers ending with 2 except those ending with 12 `, () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(132)).toEqual("132nd");   
+});
+
+ test(`should append 'rd' for numbers ending with 3 except those ending with 13 `, () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+  expect(getOrdinalNumber(143)).toEqual("143rd");
+});
+