West Midlands | 25 Sep ITP | Iswat Bello | Sprint 3 | 2 Practice TDD

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

@@ -1,5 +1,6 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  const characterOccurrence = stringOfCharacters.split(findCharacter).length - 1;
+  return characterOccurrence;
 }
 
 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 occurence of a character", () => {
+  const str = "happy";
+  const char = "z";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+})

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

@@ -1,5 +1,12 @@
 function getOrdinalNumber(num) {
-  return "1st";
+  if (num === 1 || num === 21) {
+    return `${num}st`;
+  } else if (num === 11) {
+    return `${num}th`;
+  } else if (num === 2) {
+    return `${num}nd`;
+  }
 }
 
+
 module.exports = getOrdinalNumber;

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

@@ -11,3 +11,15 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
 });
+
+test("should return '11th' for 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+})
+
+test("should return '21st' for 21", () => {
+  expect(getOrdinalNumber(21)).toEqual("21st");
+})
+
+test("should return '2nd' for 2", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+})

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

@@ -1,5 +1,16 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(valueToRepeat, numOfTimes) {
+  let repeatedValue = "";
+  if (numOfTimes > 0) {
+    for (let i = 0; i < numOfTimes; i++) {
+      repeatedValue += valueToRepeat;
+    }
+  } else if (numOfTimes === 0) {
+    repeatedValue = "";
+  } 
+  else {
+    repeatedValue = "Negative number invalid";
+  }
+  return repeatedValue;
 }
 
 module.exports = repeat;

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

@@ -20,13 +20,31 @@ test("should repeat the string count times", () => {
 // Given a target string str and a count equal to 1,
 // When the repeat function is called with these inputs,
 // Then it should return the original str without repetition, ensuring that a count of 1 results in no repetition.
+test("should return the original input with no repetition", () => {
+  const str = "milk";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual(str);
+})
 
 // case: Handle Count of 0:
 // Given a target string str and a count equal to 0,
 // When the repeat function is called with these inputs,
 // Then it should return an empty string, ensuring that a count of 0 results in an empty output.
+test("should return an empty string", () => {
+  const str = "rice";
+  const count = 0;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("");
+})
 
 // case: Negative Count:
 // Given a target string str and a negative integer count,
 // When the repeat function is called with these inputs,
 // Then it should throw an error or return an appropriate error message, as negative counts are not valid.
+test("should return an error message", () => {
+  const str = "food";
+  const count = -2;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("Negative number invalid");
+})