implementing code and testing code

Author: Abduhasen

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

@@ -15,7 +15,19 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
+  if (0 < angle && angle < 90) {
+    return "Acute angle";
+  } else if (angle === 90) {
+    return "Right angle";
+  } else if (90 < angle && angle < 180) {
+    return "Obtuse angle";
+  } else if (angle === 180) {
+    return "Straight angle";
+  } else if (180 < angle && angle < 360) {
+    return "Reflex angle";
+  } else {
+    return "Invalid angle";
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -33,5 +45,15 @@ function assertEquals(actualOutput, targetOutput) {
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
+const Acute = getAngleType(0.5);
+assertEquals(Acute, "Acute angle");
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+const Obtuse = getAngleType(179);
+assertEquals(Obtuse, "Obtuse angle");
+const Straight = getAngleType(180);
+assertEquals(Straight, "Straight angle");
+const Reflex = getAngleType(181);
+assertEquals(Reflex, "Reflex angle");
+const Invalid = getAngleType(361);
+assertEquals(Invalid, "Invalid angle");

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

@@ -11,7 +11,13 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  if (Math.abs(numerator) < Math.abs(denominator)) {
+    return true;
+  } else if (denominator === 0) {
+    return false;
+  } else {
+    return false;
+  }
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +37,9 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(0, 0.2), true);
+assertEquals(isProperFraction(2, 0), false);
+assertEquals(isProperFraction(11, 8), false);
+assertEquals(isProperFraction(0, 1), true);
+assertEquals(isProperFraction(10, 25), true);
+assertEquals(isProperFraction(0, 0), false);

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

@@ -22,9 +22,39 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
+  const validRank = [
+    "A",
+    "2",
+    "3",
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10",
+    "J",
+    "Q",
+    "K",
+  ];
+  const validSuits = ["♠", "♣", "♦", "♥"];
+  let rank = card.slice(0, -1);
+  let suit = card.slice(-1);
+  if (!validSuits.includes(suit)) {
+    throw new Error("Invalid suit");
+  }
+  if (!validRank.includes(rank)) {
+    throw new Error("Invalid rank");
+  }
+  if (rank === "A") {
+    return 11;
+  }
+  if (["J", "Q", "K"].includes(rank)) {
+    return 10;
+  } else {
+    return Number(rank);
+  }
 }
-
 // The line below allows us to load the getCardValue function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getCardValue;
@@ -40,7 +70,13 @@ function assertEquals(actualOutput, targetOutput) {
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
 // Examples:
 assertEquals(getCardValue("9♠"), 9);
-
+assertEquals(getCardValue("A♠"), 11);
+assertEquals(getCardValue("J♣"), 10);
+assertEquals(getCardValue("K♦"), 10);
+assertEquals(getCardValue("Q♦"), 10);
+assertEquals(getCardValue("7♣"), 7);
+assertEquals(getCardValue("10♦"), 10);
+assertEquals(getCardValue("2♣"), 2);
 // Handling invalid cards
 try {
   getCardValue("invalid");
@@ -52,3 +88,51 @@ try {
 }
 
 // What other invalid card cases can you think of?
+try {
+  getCardValue("1♥");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue(" ");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("Z♠");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("G♠");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("10X");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("B♠");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("♠");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}
+try {
+  getCardValue("B♠♠");
+  console.error("Error was not thrown for invalid card 😢");
+} catch (e) {
+  console.log("Error thrown for invalid card 🎉");
+}

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

@@ -14,7 +14,34 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (angle === 90 )`, () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
 // Case 3: Obtuse angles
+test(`should return "Obtuse angles" when (90 < angle < 180)`, () => {
+  expect(getAngleType(91)).toEqual("Obtuse angles");
+  expect(getAngleType(179)).toEqual("Obtuse angles");
+  expect(getAngleType(145)).toEqual("Obtuse angles");
+  expect(getAngleType(92)).toEqual("Obtuse angles");
+  expect(getAngleType(178)).toEqual("Obtuse angles");
+});
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle === 180)`, () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
 // Case 5: Reflex angles
+test(`should return "Reflex angles" when (180 < angle < 360)`, () => {
+  expect(getAngleType(181)).toEqual("Reflex angles");
+  expect(getAngleType(190)).toEqual("Reflex angles");
+  expect(getAngleType(345)).toEqual("Reflex angles");
+  expect(getAngleType(359)).toEqual("Reflex angles");
+  expect(getAngleType(277)).toEqual("Reflex angles");
+});
 // Case 6: Invalid angles
+test(`should return "Invalid angles" when (angle )`, () => {
+  expect(getAngleType(-60)).toEqual("Invalid angles");
+  expect(getAngleType(450)).toEqual("Invalid angles");
+  expect(getAngleType(-2)).toEqual("Invalid angles");
+  expect(getAngleType(361)).toEqual("Invalid angles");
+  expect(getAngleType(890)).toEqual("Invalid angles");
+});

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

@@ -8,3 +8,14 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+test(`should return false when the denominator less nominator`, () => {
+  expect(isProperFraction(7, 2)).toEqual(false);
+  expect(isProperFraction(-17, -2)).toEqual(false);
+  expect(isProperFraction(0.5, 0.1)).toEqual(false);
+});
+test(`should return true when denominator is greater than nominator`, () => {
+  expect(isProperFraction(2, 8)).toEqual(true);
+  expect(isProperFraction(-3, -10)).toEqual(true);
+  expect(isProperFraction(-3, 7)).toEqual(true);
+  expect(isProperFraction(8, 17)).toEqual(true);
+});

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

@@ -8,6 +8,30 @@ const getCardValue = require("../implement/3-get-card-value");
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
 });
+//Case 2: Face Cards (J, Q, K)
+test(`Should return 10 when given a Face Cards`, () => {
+  expect(getCardValue("J♣")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+});
+//Case 3:  Number Cards (2-10)
+test(`Should return the Number it self when a given Number card`, () => {
+  expect(getCardValue("2♣")).toEqual(2);
+  expect(getCardValue("10♦")).toEqual(10);
+  expect(getCardValue("4♥")).toEqual(4);
+  expect(getCardValue("6♣")).toEqual(6);
+  expect(getCardValue("7♠")).toEqual(7);
+  expect(getCardValue("9♥")).toEqual(9);
+});
+// Invalid Cards
+test(`Should return Invalid Cards when given Invalid Cards`, () => {
+  expect(getCardValue("22♣")).toEqual("Invalid Cards");
+  expect(getCardValue("11♦")).toEqual("Invalid Cards");
+  expect(getCardValue("4♥♥")).toEqual("Invalid Cards");
+  expect(getCardValue("")).toEqual("Invalid Cards");
+  expect(getCardValue("♠")).toEqual("Invalid Cards");
+  expect(getCardValue("-9♥")).toEqual("Invalid Cards");
+});
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
@@ -17,4 +41,3 @@ test(`Should return 11 when given an ace card`, () => {
 // To learn how to test whether a function throws an error as expected in Jest,
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror
-