Glasgow | 25-ITP-SEP | Mohammed Abdoon | Sprint 3 | Coursework/1-implement-and-rewrite-tests

.gitignore

@@ -1,4 +1,5 @@
 node_modules
 .DS_Store
 .vscode
+testing.js
 **/.DS_Store

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

@@ -8,8 +8,20 @@
 // Then, write the next test! :) Go through this process until all the cases are implemented
 
 function getAngleType(angle) {
+  if (angle < 90) {
+    return "Acute angle";
+  }
   if (angle === 90) {
     return "Right angle";
+  }
+  if (angle < 180) {
+    return "Obtuse angle";
+  }
+  if (angle === 180) {
+    return "Straight angle";
+  }
+  if (angle < 360) {
+    return "Reflex angle";
   }
    // Run the tests, work out what Case 2 is testing, and implement the required code here.
    // Then keep going for the other cases, one at a time.
@@ -49,15 +61,20 @@ assertEquals(acute, "Acute angle");
 // Case 3: Identify Obtuse Angles:
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
-const obtuse = getAngleType(120);
 // ====> write your test here, and then add a line to pass the test in the function above
+const obtuse = getAngleType(120);
+assertEquals(obtuse, "Obtuse angle");
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
 // ====> write your test here, and then add a line to pass the test in the function above
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
 
 // 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
+const reflex = getAngleType(300);
+assertEquals(reflex, "Reflex angle");

Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js

@@ -8,9 +8,13 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-  if (numerator < denominator) {
+  if(typeof(numerator) != "number" || typeof(denominator) != "number") {
+    return "[ wrong input ]";
+  }
+  if (numerator < denominator ) {
     return true;
   }
+  return false;
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -47,13 +51,27 @@ assertEquals(improperFraction, false);
 // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true.
 const negativeFraction = isProperFraction(-4, 7);
 // ====> complete with your assertion
+assertEquals(negativeFraction, true);
 
 // Equal Numerator and Denominator check:
 // Input: numerator = 3, denominator = 3
 // target output: false
 // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false.
 const equalFraction = isProperFraction(3, 3);
 // ====> complete with your assertion
+assertEquals(equalFraction, false);
 
 // Stretch:
 // What other scenarios could you test for?
+
+// Try 0 and a negative number check:
+// Input: numerator = -10, denominator = 0
+// target output: true
+const tryZero = isProperFraction(-10, 0);
+assertEquals(tryZero, true);
+
+// check if inputs are proper numbers
+// Input: numerator = "hello", denominator = 4 (any number)
+//target output: string "[ wrong input ]"
+const tryString = isProperFraction("hello", 4);
+assertEquals(tryString, "[ wrong input ]");

Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js

@@ -8,9 +8,17 @@
 // write one test at a time, and make it pass, build your solution up methodically
 // just make one change at a time -- don't rush -- programmers are deep and careful thinkers
 function getCardValue(card) {
+  let rank = card.slice(0, -1);
   if (rank === "A") {
     return 11;
   }
+  if (rank === "J" || rank === "Q"|| rank === "K") {
+    return 10;
+  }
+  if ((rank => 2) && (rank <= 10)) {
+    return Number(rank);
+  }
+  return "Invalid card rank.";
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -40,18 +48,25 @@ assertEquals(aceofSpades, 11);
 // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
 const fiveofHearts = getCardValue("5♥");
 // ====> write your test here, and then add a line to pass the test in the function above
+assertEquals(fiveofHearts, 5);
 
 // Handle Face Cards (J, Q, K):
 // Given a card with a rank of "10," "J," "Q," or "K",
 // When the function is called with such a card,
 // Then it should return the value 10, as these cards are worth 10 points each in blackjack.
+const faceCards = getCardValue("J♠");
+assertEquals(faceCards, 10);
 
 // Handle Ace (A):
 // Given a card with a rank of "A",
 // When the function is called with an Ace,
 // Then it should, by default, assume the Ace is worth 11 points, which is a common rule in blackjack.
+const ace = getCardValue("A♠");
+assertEquals(ace, 11);
 
 // Handle Invalid Cards:
 // Given a card with an invalid rank (neither a number nor a recognized face card),
 // When the function is called with such a card,
 // Then it should throw an error indicating "Invalid card rank."
+const invalidCards = getCardValue("hello");
+assertEquals(invalidCards, "Invalid card rank.");

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

@@ -9,18 +9,18 @@ test("should identify right angle (90°)", () => {
 // REPLACE the comments with the tests
 // make your test descriptions as clear and readable as possible
 
-// Case 2: Identify Acute Angles:
-// When the angle is less than 90 degrees,
-// Then the function should return "Acute angle"
+test("should identify Acute angle (less than 90°)", () => {
+  expect(getAngleType(80)).toEqual("Acute angle");
+});
 
-// Case 3: Identify Obtuse Angles:
-// When the angle is greater than 90 degrees and less than 180 degrees,
-// Then the function should return "Obtuse angle"
+test("should identify Obtuse angle (greater than 90° and less than 180 )", () => {
+  expect(getAngleType(100)).toEqual("Obtuse angle");
+});
 
-// Case 4: Identify Straight Angles:
-// When the angle is exactly 180 degrees,
-// Then the function should return "Straight angle"
+test("should identify Straight angle (180°)", () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
 
-// 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"
+test("should identify Reflex angle (greater than 180° and less than 360°)", () => {
+  expect(getAngleType(181)).toEqual("Reflex angle");
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js

@@ -7,7 +7,16 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for an improper Fractions", () => {
+  expect(isProperFraction(9, 4)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a negative Fractions", () => {
+  expect(isProperFraction(-6, 4)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for an equal Fractions", () => {
+  expect(isProperFraction(7, 7)).toEqual(false);
+});

Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js

@@ -8,6 +8,25 @@ test("should return 11 for Ace of Spades", () => {
 });
 
 // Case 2: Handle Number Cards (2-10):
+test("should return the number entered as input", () => {
+  const numberCards = getCardValue("4♠");
+  expect(numberCards).toEqual(4);
+});
+
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for face cards J Q K", () => {
+  const faceCards = getCardValue("Q♠");
+  expect(faceCards).toEqual(10);
+});
+
 // Case 4: Handle Ace (A):
+test("should return 11 after entering Ace A", () => {
+  const handleAce = getCardValue("A♠");
+  expect(handleAce).toEqual(11);
+});
+
 // Case 5: Handle Invalid Cards:
+test(`should return string ("Invalid card rank.") for invalid inputs`, () => {
+  const invalidCards = getCardValue("HelloWorld!");
+  expect(invalidCards).toEqual("Invalid card rank.");
+});

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

@@ -1,5 +1,10 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+  let output = 0;
+  for( let i=0; i <= stringOfCharacters.length; i++ ) {
+    if(stringOfCharacters[i] === findCharacter)
+      output++;
+  }
+  return output;
 }
 
 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 if there are no occurrences at all", () => {
+  const str = "Hello World!";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});