London | 26-ITP-May | Gideon Defar | Sprint 3 |Coursework/sprint 3 implement and rewrite

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

@@ -15,9 +15,28 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
-}
+  if (angle > 0 && angle < 90) {
+    return "Acute angle";
+  }
+
+  if (angle === 90) {
+    return "Right angle";
+  }
+
+  if (angle > 90 && angle < 180) {
+    return "Obtuse angle";
+  }
+
+  if (angle === 180) {
+    return "Straight angle";
+  }
 
+  if (angle > 180 && angle < 360) {
+    return "Reflex angle";
+  }
+
+  return "Invalid angle";
+}
 // The line below allows us to load the getAngleType function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getAngleType;
@@ -33,5 +52,33 @@ function assertEquals(actualOutput, targetOutput) {
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
-const right = getAngleType(90);
-assertEquals(right, "Right angle");
+// const right = getAngleType(90);
+// assertEquals(right, "Right angle");
+
+
+// Acute angles
+assertEquals(getAngleType(1), "Acute angle");
+assertEquals(getAngleType(45), "Acute angle");
+assertEquals(getAngleType(89), "Acute angle");
+
+// Right angle
+assertEquals(getAngleType(90), "Right angle");
+
+// Obtuse angles
+assertEquals(getAngleType(91), "Obtuse angle");
+assertEquals(getAngleType(135), "Obtuse angle");
+assertEquals(getAngleType(179), "Obtuse angle");
+
+// Straight angle
+assertEquals(getAngleType(180), "Straight angle");
+
+// Reflex angles
+assertEquals(getAngleType(181), "Reflex angle");
+assertEquals(getAngleType(270), "Reflex angle");
+assertEquals(getAngleType(359), "Reflex angle");
+
+// Invalid angles
+assertEquals(getAngleType(0), "Invalid angle");
+assertEquals(getAngleType(-1), "Invalid angle");
+assertEquals(getAngleType(360), "Invalid angle");
+assertEquals(getAngleType(400), "Invalid angle");

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

@@ -11,7 +11,7 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  return Math.abs(numerator) < Math.abs(denominator);
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +31,20 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+
+assertEquals(isProperFraction(3, 4), true);
+assertEquals(isProperFraction(-1, 2), true);
+
+// Equal numerator and denominator
+assertEquals(isProperFraction(2, 2), false);
+
+// Improper fractions
+assertEquals(isProperFraction(3, 2), false);
+assertEquals(isProperFraction(5, 3), false);
+assertEquals(isProperFraction(-3, 2), false);
+
+// Zero numerator
+assertEquals(isProperFraction(0, 2), true);
+
+// Negative denominator
+assertEquals(isProperFraction(1, -2), true);

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

@@ -22,7 +22,39 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
+  const validSuits = ["♠", "♥", "♦", "♣"];
+  const validRanks = [
+    "A",
+    "2",
+    "3",
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10",
+    "J",
+    "Q",
+    "K",
+  ];
+
+  const suit = card.slice(-1);
+  const rank = card.slice(0, -1);
+
+  if (!validSuits.includes(suit) || !validRanks.includes(rank)) {
+    throw new Error("Invalid card");
+  }
+
+  if (rank === "A") {
+    return 11;
+  }
+
+  if (["J", "Q", "K"].includes(rank)) {
+    return 10;
+  }
+
+  return Number(rank);
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -39,7 +71,21 @@ function assertEquals(actualOutput, targetOutput) {
 
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
 // Examples:
+// assertEquals(getCardValue("9♠"), 9);
+// Number cards
+assertEquals(getCardValue("2♠"), 2);
+assertEquals(getCardValue("5♥"), 5);
 assertEquals(getCardValue("9♠"), 9);
+assertEquals(getCardValue("10♦"), 10);
+
+// Ace
+assertEquals(getCardValue("A♠"), 11);
+assertEquals(getCardValue("A♥"), 11);
+
+// Face cards
+assertEquals(getCardValue("J♣"), 10);
+assertEquals(getCardValue("Q♦"), 10);
+assertEquals(getCardValue("K♠"), 10);
 
 // Handling invalid cards
 try {
@@ -52,3 +98,40 @@ try {
 }
 
 // What other invalid card cases can you think of?
+
+
+// Invalid cards
+try {
+  getCardValue("invalid");
+  console.error("Error was not thrown for invalid card");
+} catch (e) {
+  console.log("Error thrown for invalid card");
+}
+
+try {
+  getCardValue("1♠");
+  console.error("Error was not thrown for invalid rank");
+} catch (e) {
+  console.log("Error thrown for invalid rank");
+}
+
+try {
+  getCardValue("A");
+  console.error("Error was not thrown for missing suit");
+} catch (e) {
+  console.log("Error thrown for missing suit");
+}
+
+try {
+  getCardValue("A♥♥");
+  console.error("Error was not thrown for invalid card format");
+} catch (e) {
+  console.log("Error thrown for invalid card format");
+}
+
+try {
+  getCardValue("11♠");
+  console.error("Error was not thrown for invalid number card");
+} catch (e) {
+  console.log("Error thrown for invalid number card");
+}