Glasgow | 25-ITP-SEP | Alaa Tagi | Sprint 3 | Coursework/sprint 3 practice tdd

Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js

@@ -60,4 +60,4 @@ const obtuse = getAngleType(120);
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
-// ====> write your test here, and then add a line to pass the test in the function above
+// ====> write your test here, and then add a line to pass the test in the function above

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

@@ -1,5 +1,9 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
-}
+    return stringOfCharacters.split(findCharacter).length - 1;
+  }
 
 module.exports = countChar;
+console.log(countChar('hello', 'l'));
+console.log(countChar('hello', 'z')); 
+console.log(countChar('alaaaaa', 'a'));
+

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

@@ -2,7 +2,8 @@
 const countChar = require("./count");
 // Given a string str and a single character char to search for,
 // When the countChar function is called with these inputs,
-// Then it should:
+// Then it should:  correctly count the occurrences of char in str.
+
 
 // Scenario: Multiple Occurrences
 // Given the input string str,
@@ -17,8 +18,16 @@ test("should count multiple occurrences of a character", () => {
   expect(count).toEqual(5);
 });
 
+
 // 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 return 0 for no occurrences", () => {
+  const str = "hello";
+  const char = "z";
+  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";
+    num = num.toString();
+    if (num.slice(-2) === '11' || num.slice(-2) === '12' || num.slice(-2) === '13') {
+        return num + 'th';
+    } else if (num.slice(-1) === '1') {
+        return num + 'st';
+    } else if (num.slice(-1) === '2') {
+        return num + 'nd';
+    } else if (num.slice(-1) === '3') {
+        return num + 'rd';
+    } else {
+        return num + 'th';
+    } 
 }
 
 module.exports = getOrdinalNumber;
+console.log(getOrdinalNumber(1));
+console.log(getOrdinalNumber(2));
+console.log(getOrdinalNumber(3));
+console.log(getOrdinalNumber(4));
+console.log(getOrdinalNumber(11));
+console.log(getOrdinalNumber(22));
+console.log(getOrdinalNumber(33));

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

@@ -11,3 +11,50 @@ const getOrdinalNumber = require("./get-ordinal-number");
 test("should return '1st' for 1", () => {
   expect(getOrdinalNumber(1)).toEqual("1st");
 });
+
+// Case 2: Identify the ordinal number for 2
+// When the number is 2,
+// Then the function should return "2nd"
+
+test("should return '2nd' for 2", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+});
+
+// Case 3: Identify the ordinal number for 3
+// When the number is 3,
+// Then the function should return "3rd"
+
+test("should return '3rd' for 3", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+});
+
+// Case 4: Identify the ordinal number for 4
+// When the number is 4,
+// Then the function should return "4th"
+
+test("should return '4th' for 4", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+});
+
+// Case 5: Identify the ordinal number for 11
+// When the number is 11,
+// Then the function should return "11th"
+
+test("should return '11th' for 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+});
+
+// Case 6: Identify the ordinal number for 22
+// When the number is 22,
+// Then the function should return "22nd"
+
+test("should return '22nd' for 22", () => {
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+});
+// Case 7: Identify the ordinal number for 33
+// When the number is 33,
+// Then the function should return "33rd"
+
+test("should return '33rd' for 33", () => {
+  expect(getOrdinalNumber(33)).toEqual("33rd");
+});

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

@@ -1,5 +1,17 @@
 function repeat() {
-  return "hellohellohello";
+   const str = arguments[0];
+  const count = arguments[1];
+  if (count < 0) {
+    throw new Error("Count must be a non-negative integer");
+  }
+  let result = "";
+  for (let i = 0; i < count; i++) {
+    result += str;
+  }
+  return result;
 }
 
+
 module.exports = repeat;
+console.log(repeat("hello", 3));
+

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

@@ -2,7 +2,7 @@
 const repeat = require("./repeat");
 // Given a target string str and a positive integer count,
 // When the repeat function is called with these inputs,
-// Then it should:
+// Then it should: repeat the str count times and return a new string containing the repeated str values.
 
 // case: repeat String:
 // Given a target string str and a positive integer count,
@@ -11,22 +11,39 @@ const repeat = require("./repeat");
 
 test("should repeat the string count times", () => {
   const str = "hello";
-  const count = 3;
+  const count = 4;
   const repeatedStr = repeat(str, count);
-  expect(repeatedStr).toEqual("hellohellohello");
+  expect(repeatedStr).toEqual("hellohellohellohello");
 });
 
 // case: handle Count of 1:
 // 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 string when count is 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("should return an empty string when count is 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.
+// Then it should throw an error or return an appropriate error message,as negative counts are not valid.
+test("should throw an error when count is negative", () => {
+  const str = "hello";
+  const count = -2;
+  expect(() => repeat(str, count)).toThrow("Count must be a non-negative integer");
+});