London | 26-ITP-Sept | Fung Nin Lee | Sprint 2 | Implement and rewrite test

implement-and-rewrite-tests/implement-tests-with-node-test/1-get-angle-type.test.js

@@ -1,12 +1,31 @@
+import { getAngleType } from "../implement/1-get-angle-type.js";
 import assert from "node:assert";
 import test from "node:test";
 
-import { getAngleType } from "../implement/1-get-angle-type.js";
-
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
 
-test("Classifies right angles", () => {
-  const right = getAngleType(90);
-  assert.equal(right, "Right angle");
+test("Classifies acute angle", () => {
+  assert.equal(getAngleType(45), "Acute angle");
+});
+
+test("Classifies right angle", () => {
+  assert.equal(getAngleType(90), "Right angle");
+});
+
+test("Classifies obtuse angle", () => {
+  assert.equal(getAngleType(120), "Obtuse angle");
+});
+
+test("Classifies straight angle", () => {
+  assert.equal(getAngleType(180), "Straight angle");
+});
+
+test("Classifies reflex angle", () => {
+  assert.equal(getAngleType(200), "Reflex angle");
+});
+
+test("Classifies boundary and invalid angles", () => {
+  assert.equal(getAngleType(365), "Invalid angle");
+  assert.equal(getAngleType(-10), "Invalid angle");
 });

implement-and-rewrite-tests/implement-tests-with-node-test/2-is-proper-fraction.test.js

@@ -1,12 +1,15 @@
+import { isProperFraction } from "../implement/2-is-proper-fraction.js";
 import assert from "node:assert";
 import test from "node:test";
 
-import { isProperFraction } from "../implement/2-is-proper-fraction.js";
-
 // TODO: Write tests to cover all cases.
 // What combinations of numerators and denominators should you test?
 
 test("Basic proper fraction", () => {
   // Example: 1/2 is a proper fraction
-  assert.equal(isProperFraction(1, 2), true);
+  assert.equal(isProperFraction(1, 2), "true");
+});
+
+test("Basic proper fraction", () => {
+  assert.equal(isProperFraction(3, 2), "false");
 });

implement-and-rewrite-tests/implement-tests-with-node-test/3-get-card-value.test.js

@@ -1,16 +1,27 @@
+import { getCardValue } from "../implement/3-get-card-value.js";
 import assert from "node:assert";
 import test from "node:test";
 
-import { getCardValue } from "../implement/3-get-card-value.js";
-
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
 
-test("Valid single-digit card", () => {
+test("Valid number card", () => {
   assert.equal(getCardValue("9♠"), 9);
 });
 
+test("Valid face card", () => {
+  assert.equal(getCardValue("K♦"), 10);
+});
+
+test("Valid ace card", () => {
+  assert.equal(getCardValue("A♥"), 11);
+});
+
 test("Arbitrary non-card string", () => {
-  assert.throws(() => getCardValue("invalid"), /Expected a number followed by a suit, but got "invalid"/, "Expected clear error");
+  assert.throws(
+    () => getCardValue("invalid"),
+    /Expected a number followed by a suit, but got "invalid"/,
+    "Expected clear error"
+  );
 });
 
 // TODO: What other invalid card cases can you think of?

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

@@ -16,6 +16,19 @@
 // After you have implemented the function, write tests to cover all the cases, and
 // execute the code to ensure all tests pass.
 
-export function getAngleType(angle) {
-  // TODO: Implement this function
+function getAngleType(angle) {
+  if (angle > 180 && angle < 360) {
+    return "Reflex angle";
+  } else if (angle === 180) {
+    return "Straight angle";
+  } else if (angle < 180 && angle > 90) {
+    return "Obtuse angle";
+  } else if (angle === 90) {
+    return "Right angle";
+  } else if (angle < 90 && angle > 0) {
+    return "Acute angle";
+  }
+  return "Invalid angle";
 }
+
+export { getAngleType };

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

@@ -14,5 +14,8 @@
 // execute the code to ensure all tests pass.
 
 export function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  if (numerator < denominator) {
+    return "true";
+  }
+  return "false";
 }

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

@@ -22,7 +22,45 @@
 // Acceptance criteria:
 // After you have implemented the function, write tests to cover all the cases, and
 // execute the code to ensure all tests pass.
+//const rank = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"]
+//const suit = ["♠", "♥", "♦", "♣"];
+//console.log(suit[1]);
+//const card = `${number}${suit}`
+
+//if the user input the rank only, the output is throwing an error.
+//expect the format is 2 digit and follow the suit.
+//validate input example: 3♠.
+//Required the user input the card must include a suit. extract the final character from the input.
 
 export function getCardValue(card) {
-  // TODO: Implement this function
+  const rank = card.slice(0, -1);
+  const suit = card.slice(-1);
+  const validRank = [
+    "A",
+    "2",
+    "3",
+    "4",
+    "5",
+    "6",
+    "7",
+    "8",
+    "9",
+    "10",
+    "J",
+    "Q",
+    "K",
+  ].includes(rank);
+  const validSuit = ["♠", "♥", "♦", "♣"].includes(suit);
+
+  if (!validRank || !validSuit || card.length > 3 || card.length < 2) {
+    throw new Error(`Expected a number followed by a suit, but got "invalid"`);
+  }
+
+  if (rank === "A") {
+    return 11;
+  } else if (["J", "Q", "K"].includes(rank)) {
+    return 10;
+  } else {
+    return Number(rank);
+  }
 }

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

@@ -12,7 +12,29 @@ 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 angle" when (angle < 180 && angle > 90)`, () => {
+  expect(getAngleType(100)).toEqual("Obtuse angle");
+  expect(getAngleType(120)).toEqual("Obtuse angle");
+  expect(getAngleType(175)).toEqual("Obtuse angle");
+});
+
 // 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 angle" when (angle > 180 && angle < 360)`, () => {
+  expect(getAngleType(190)).toEqual("Reflex angle");
+});
+
 // Case 6: Invalid angles
+test(`should return "Invalid angle" when (angel > 360 || angle < 1)`, () => {
+  expect(getAngleType(-10)).toEqual("Invalid angle");
+  expect(getAngleType(365)).toEqual("Invalid angle");
+});

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

@@ -4,5 +4,17 @@ import { isProperFraction } from "../implement/2-is-proper-fraction.js";
 
 // Special case: numerator is zero
 test(`should return false when denominator is zero`, () => {
-  expect(isProperFraction(1, 0)).toEqual(false);
+  expect(isProperFraction(1, 0)).toEqual("false");
+});
+
+test(`should return true when denominator is more than numerator`, () => {
+  expect(isProperFraction(1, 4)).toEqual("true");
+});
+
+test(`should return false when denominator is less than numerator`, () => {
+  expect(isProperFraction(4, 1)).toEqual("false");
+});
+
+test(`should true when denominator and numerator are negative`, () => {
+  expect(isProperFraction(-5, -2)).toEqual("true");
 });

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

@@ -9,10 +9,22 @@ test(`Should return 11 when given an ace card`, () => {
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+test(`Should return 7 when given an seven card`, () => {
+  expect(getCardValue("7♥")).toEqual(7);
+});
 //   Face Cards (J, Q, K)
+test(`Should return 10 when given J/Q/K`, () => {
+  expect(getCardValue("J♦")).toEqual(10);
+  expect(getCardValue("Q♣")).toEqual(10);
+  expect(getCardValue("K♠")).toEqual(10);
+});
 //   Invalid Cards
+test(`Expected a number followed by a suit, but got invalid`, () => {
+  expect(() => getCardValue("invalid")).toThrow(
+    `Expected a number followed by a suit, but got "invalid"`
+  );
+});
 
 // 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
-