West Midlands | 26-Jan-ITP | Fida H Ali Zada | Sprint 3 | TDD

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

@@ -1,5 +1,10 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  if (findCharacter == "") return 0;
+
+  const string = stringOfCharacters.toLowerCase();
+  const char = findCharacter.toLowerCase();
+
+  return string.split(char).length - 1;
 }
 
 module.exports = countChar;

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

@@ -22,3 +22,25 @@ 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 for no occurances of 'char' in 'str'`, () => {
+  const str = "code your future";
+  const char = "x";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+})
+
+test(`in case sensitive case, should also return the number of character in the string`, () => {
+  expect(countChar("Code Your Future!", "Y")).toEqual(1);
+});
+
+test(`should return the count of character for non-alphabests`, () => {
+  expect(countChar("86421", "1")).toEqual(1);
+});
+
+test(`should return 0 for empty strings`, () => {
+  expect(countChar("code your future", "")).toEqual(0)
+});
+
+test(`should return the count for unusual characters`, () => {
+  expect(countChar("code& $future £your", "$")).toEqual(1)
+})

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

@@ -1,5 +1,19 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  const lastDigit = num % 10;
+  const lastTwoDigits = num % 100;
+
+  if (lastTwoDigits === 11 || lastTwoDigits === 12 || lastTwoDigits === 13) {
+    return `${num}th`;
+  } else if (lastDigit === 1) {
+    return `${num}st`;
+  } else if (lastDigit === 2) {
+    return `${num}nd`;
+  } else if (lastDigit === 3) {
+    return `${num}rd`;
+  } else {
+    return `${num}th`;
+
+  }
 }
 
 module.exports = getOrdinalNumber;

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

@@ -13,8 +13,39 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // Case 1: Numbers ending with 1 (but not 11)
 // When the number ends with 1, except those ending with 11,
 // 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", () => {
+test("appends 'st' for numbers ending in 1 except 11", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+
+test("appends 'nd' for numbers ending in 2 except 12", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(92)).toEqual("92nd");
+  expect(getOrdinalNumber(132)).toEqual("132nd");
+  expect(getOrdinalNumber(1142)).toEqual("1142nd");
+})
+
+test("appends 'rd' for numbers ending in 3 except 13", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+  expect(getOrdinalNumber(63)).toEqual("63rd");
+  expect(getOrdinalNumber(533)).toEqual("533rd");
+})
+
+test("appends 'th' when number does not end in 1, 2, or 3", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(10)).toEqual("10th");
+  expect(getOrdinalNumber(14)).toEqual("14th");
+  expect(getOrdinalNumber(20)).toEqual("20th");
+  expect(getOrdinalNumber(99)).toEqual("99th");
+  expect(getOrdinalNumber(100)).toEqual("100th");
+  expect(getOrdinalNumber(670)).toEqual("670th");
+})
+
+test("appends 'th' for numbers ending in 11, 12, or 13", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(12)).toEqual("12th");
+  expect(getOrdinalNumber(13)).toEqual("13th");
+})