London | 26-ITP-May | Hugh Mills | Sprint 3 | 2. practice tdd

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

@@ -1,5 +1,13 @@
+// function countChar(stringOfCharacters, findCharacter) {
+//   return 5
+// }
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let countChar = 0;
+  for (let stringNum = 0; stringNum < stringOfCharacters.length; stringNum++) {
+    if (findCharacter === stringOfCharacters[stringNum]){
+      countChar++
+    }
+  }
+  return countChar
 }
-
 module.exports = countChar;

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

@@ -17,8 +17,29 @@ test("should count multiple occurrences of a character", () => {
   expect(count).toEqual(5);
 });
 
+test("should count multiple occurrences of a character", () => {
+  const str = "aaa  aa";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(5);
+});
+
+test("should count multiple occurrences of a character with random characters", () => {
+  const str = "ajhyabhaakaka";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(6);
+})
+
 // Scenario: No Occurrences
 // Given the input string `str`,
 // 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 with no occurrence of the character", () => {
+  const str ="abcd";
+  const char = "e";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+

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

@@ -1,5 +1,14 @@
+// function getOrdinalNumber(num) {
+//   return "1st";
+// }
+
 function getOrdinalNumber(num) {
-  return "1st";
+  let text = num.toString();
+  if (text === "11") {
+    return (text + "th");
+  } 
+  return (text + "st");
 }
 
+// getOrdinalNumber(1)).toEqual("1st")
 module.exports = getOrdinalNumber;

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

@@ -18,3 +18,8 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+
+test("should append 'th' for number 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+
+});