West Midlands | Sept-ITP-25 | Mustaf Asani | Sprint 3 | Coursework/sprint 3 practice tdd

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

@@ -1,5 +1,7 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  const totalChar = stringOfCharacters.split(findCharacter);
+
+  return totalChar.length - 1;
 }
 
 module.exports = countChar;

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

@@ -15,10 +15,19 @@ test("should count multiple occurrences of a character", () => {
   const char = "a";
   const count = countChar(str, char);
   expect(count).toEqual(5);
+  expect(countChar("banana", "n")).toEqual(2);
+  expect(countChar("=^.^=", "^")).toEqual(2);
+  expect(countChar("=^.^=", ".")).toEqual(1);
 });
 
 // Scenario: No Occurrences
 // Given the input string str,
 // 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 check for no occurrences of a character", () => {
+  const str = "abcdef";
+  const char = "g";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});

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

@@ -1,5 +1,33 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  const lastDigit = num.toString()[num.toString().length - 1];
+
+  if (lastDigit === "1") {
+    if (num === 11) {
+      return `${num}th`;
+    }
+
+    return `${num}st`;
+  } else if (lastDigit === "2") {
+    if (num.toString().length > 1) {
+      const last2Digits = num.toString().slice(-2);
+
+      if (last2Digits === "12") {
+        return `${num}th`;
+      }
+    }
+    return `${num}nd`;
+  } else if (lastDigit === "3") {
+    if (num.toString().length > 1) {
+      const last2Digits = num.toString().slice(-2);
+
+      if (last2Digits === "13") {
+        return `${num}th`;
+      }
+    }
+    return `${num}rd`;
+  }
+
+  return `${num}th`;
 }
 
 module.exports = getOrdinalNumber;

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

@@ -8,6 +8,34 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // When the number is 1,
 // Then the function should return "1st"
 
-test("should return '1st' for 1", () => {
+test("should append 'st' to numbers with 1 at the end except for those ending with 11", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
+  expect(getOrdinalNumber(21)).toEqual("21st");
+  expect(getOrdinalNumber(101)).toEqual("101st");
+  expect(getOrdinalNumber(151)).toEqual("151st");
+  expect(getOrdinalNumber(2061)).toEqual("2061st");
+});
+
+test("should append 'nd' to numbers with 2 at the end except for those ending with 12", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(342)).toEqual("342nd");
+  expect(getOrdinalNumber(592)).toEqual("592nd");
+  expect(getOrdinalNumber(1972)).toEqual("1972nd");
+});
+
+test("should append 'rd' to numbers with 3 at the end except for those ending with 13", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(33)).toEqual("33rd");
+  expect(getOrdinalNumber(353)).toEqual("353rd");
+  expect(getOrdinalNumber(93)).toEqual("93rd");
+  expect(getOrdinalNumber(783)).toEqual("783rd");
+});
+
+test("should append 'th' to all other numbers which do not end in 1,2,3,11,12 or 13", () => {
+  expect(getOrdinalNumber(10)).toEqual("10th");
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(212)).toEqual("212th");
+  expect(getOrdinalNumber(113)).toEqual("113th");
+  expect(getOrdinalNumber(17)).toEqual("17th");
 });