Glasgow | 25-ITP-Sep | Hanna Mykytiuk | Sprint 3 | practice-tdd

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

@@ -1,5 +1,12 @@
+
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+   let total = 0;
+   for (let i=0; i < stringOfCharacters.length; i++){
+    if (findCharacter == stringOfCharacters[i]){
+      total++;
+    }
+   }
+   return total; 
 }
 
 module.exports = countChar;

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

@@ -18,7 +18,19 @@ test("should count multiple occurrences of a character", () => {
 });
 
 // Scenario: No Occurrences
+test("No Occurrences", () => {
+  const str = "bcdefg";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
 // 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("Case-sensitive str", () => {
+  const str = "Abcdefg";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});

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

@@ -1,5 +1,23 @@
 function getOrdinalNumber(num) {
-  return "1st";
-}
-
+  let result;
+  let lastTwoDigits = num % 100;
+  let lastDigit = num % 10;
+  if (lastTwoDigits == 11 || lastTwoDigits  == 12 || lastTwoDigits  == 13){
+    result = num.toString() + "th";
+  }
+  else if (lastDigit == 1){
+    result = num.toString() +"st";
+  }
+  else if (lastDigit == 2){
+    result = num.toString() + "nd";
+  }
+  else if (lastDigit == 3){
+    result = num.toString() + "rd";
+  }
+  else {
+    result = num.toString() + "th";
+  }
+
+  return result;
+}  
 module.exports = getOrdinalNumber;

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

@@ -8,6 +8,39 @@ const getOrdinalNumber = require("./get-ordinal-number");
 // When the number is 1,
 // Then the function should return "1st"
 
-test("should return '1st' for 1", () => {
-  expect(getOrdinalNumber(1)).toEqual("1st");
+test("append 'st' to numbers ending in 1, except those ending in 11", () => {
+    expect( getOrdinalNumber(1) ).toEqual("1st");
+    expect( getOrdinalNumber(21) ).toEqual("21st");
+    expect( getOrdinalNumber(131) ).toEqual("131st");
 });
+
+test("append 'nd' to numbers ending in 2, except those ending in 12", () => {
+    expect( getOrdinalNumber(2) ).toEqual("2nd");
+    expect( getOrdinalNumber(22) ).toEqual("22nd");
+    expect( getOrdinalNumber(132) ).toEqual("132nd");
+});
+
+test("append 'rd' to numbers ending in 3, except those ending in 13", () => {
+    expect( getOrdinalNumber(3) ).toEqual("3rd");
+    expect( getOrdinalNumber(23) ).toEqual("23rd");
+    expect( getOrdinalNumber(133) ).toEqual("133rd");
+});
+
+test("append 'th' to numbers ending in 4 and more", () => {
+    expect( getOrdinalNumber(4) ).toEqual("4th");
+    expect( getOrdinalNumber(25) ).toEqual("25th");
+    expect( getOrdinalNumber(139) ).toEqual("139th");
+});
+
+test("should return '11th' for 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+});
+
+test("should return '12th' for 12", () => {
+  expect(getOrdinalNumber(12)).toEqual("12th");
+});
+
+test("should return '13th' for 13", () => {
+  expect(getOrdinalNumber(13)).toEqual("13th");
+});
+

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

@@ -1,5 +1,16 @@
-function repeat() {
-  return "hellohellohello";
+function repeat(str, count) {
+
+  if (count < 0){
+    throw new Error("Count must be positive number!");
+  }
+  else if (count == 0){
+    return "";
+  }
+  let result = "";
+  for ( let i=0; i<count; i++){
+    result +=str;
+  }
+  return result;
 }
 
 module.exports = repeat;

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

@@ -20,13 +20,26 @@ 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("handle Count of 1", () => {
+  const str = "hello";
+  const count = 1;
+  const repeatedStr = repeat(str, count);
+  expect(repeatedStr).toEqual("hello");
+});
 // 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("handle Count of 0", () => {
+  const str = "hello";
+  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("Negative Count", () => {
+  expect(() => repeat("hello", -1)).toThrow("Count must be positive number!");
+});