PAWEL BROILO I STRUCTURING AND TESTING DATA TYPES I SPRINT 3

Sprint 3/1. Key Implement/Angle Type.js

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+
+function getAngleType(angle) {
+    if (angle === 90) return "Right angle";
+    console.log(90);
+    expect(getAngleType(90)).tobe("Right angle");
+}

Sprint 3/1. Key Implement/function getAngle.js

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+function getAngleType(angle) {
+    if (angle === 90) return "Right angle";
+    expect(getAngleType(90)).toEqual("Right angle")
+    const angleType = 90 "Right angle";
+}
+function getAngleType(angle) {
+    if (angle === 90) return "Right angle";
+    if (angle > 0 && angle < 90) return "Acute angle";
+    if (angle > 90 && angle < 180) return "Obtuse angle";
+    if (angle === 180) return "Straight angle";
+    if (angle > 180 && angle < 360) return "Reflex angle";
+    if (angle === 360) return "Full rotation";
+    return "Invalid angle";

Sprint 3/1. Key Implement/function getCardValue.js

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+function getCardValue(card) {
+    if (rank === "A") return 11;
+    assertEquals(card, 11);
+    console.assert(A === 11);
+}
+console.assert(
+    actualOutput === targetOutput,
+    `Expected ${actualOutput} to equal ${targetOutput}`
+);
+}

Sprint 3/1. Key Implement/get-card-value.js

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+// This problem involves playing cards: https://en.wikipedia.org/wiki/Standard_52-card_deck
+
+// You will need to implement a function getCardValue
+// the function takes a single parameter, a string representing a playing card
+// the function should return the numerical value of the card
+// the first test and first case is written for you
+// complete the rest of the tests and cases
+// 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) {
+    if (rank === "A") return 11;
+    assertEquals(card, 11);
+    console.assert(A === 11);
+
+// You need to write assertions for your function to check it works in different cases
+// we're going to use this helper function to make our assertions easier to read
+// if the actual output matches the target output, the test will pass
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+// Acceptance criteria:
+
+// Given a card string in the format "A♠" (representing a card in blackjack - the last character will always be an emoji for a suit, and all characters before will be a number 2-10, or one letter of J, Q, K, A),
+// When the function getCardValue is called with this card string as input,
+// Then it should return the numerical card value
+const aceofSpades = getCardValue("A♠");
+assertEquals(aceofSpades, 11);
+console.assert(A === 11);
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+
+// Handle Number Cards (2-10):
+// Given a card with a rank between "2" and "9",
+// When the function is called with such a card,
+// Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
+const fiveofHearts = getCardValue("5♥");
+assertEquals(fiveofHearts, 5);
+console.assert(fiveofHearts === 5);
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+
+// ====> write your test here, and then add a line to pass the test in the function above
+
+function getCardValue(J, Q, K) {
+    assertEquals(J, Q, K, 10);
+    console.assert(J, Q, K === 10);
+}
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+const Ace = getCardValue(A);
+    assertEquals(Ace, 11);
+console.assert(Ace === 11);
+}
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+
+function getCardValue(card) {
+    assertEquals(card, 52);
+    console.assert(card === 52);
+    console.log("Invalid card rank");
+}
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}

Sprint 3/1. Key Implement/getCardValue.js

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+// This problem involves playing cards: https://en.wikipedia.org/wiki/Standard_52-card_deck
+// You will need to implement a function getCardValue
+// the function takes a single parameter, a string representing a playing card
+// the function should return the numerical value of the card
+// the first test and first case is written for you
+// complete the rest of the tests and cases
+// 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) {
+    if (rank === "A") return 11;
+    assertEquals(card, 11);
+    console.assert(A === 11);
+}
+// You need to write assertions for your function to check it works in different cases
+// we're going to use this helper function to make our assertions easier to read
+// if the actual output matches the target output, the test will pass
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+// Acceptance criteria:
+// Given a card string in the format "A♠" (representing a card in blackjack - the last character will always be an emoji for a suit, and all characters before will be a number 2-10, or one letter of J, Q, K, A),
+// When the function getCardValue is called with this card string as input,
+// Then it should return the numerical card value
+const aceofSpades = getCardValue("A♠");
+assertEquals(aceofSpades, 11);
+console.assert(A === 11);
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+// Handle Number Cards (2-10):
+// Given a card with a rank between "2" and "9",
+// When the function is called with such a card,
+// Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
+const fiveofHearts = getCardValue("5♥");
+assertEquals(fiveofHearts, 5);
+console.assert(fiveofHearts === 5);
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+// ====> write your test here, and then add a line to pass the test in the function above
+function getCardValue(J, Q, K) {
+    assertEquals(J, Q, K, "10");
+    console.assert(J, Q, K === 10);
+}
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+const Ace = getCardValue("A");
+{
+    assertEquals(Ace, "11");
+    console.assert(Ace === 11);
+}
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+function getCardValue(card) {
+    assertEquals(card, 52);
+    console.assert(card === 52);
+    console.log("Invalid card rank");
+}
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        actualOutput === targetOutput,
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}

Sprint 3/1. Key Implement/is Proper Fraction.js

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+// Implement a function isProperFraction
+// Write assertions for your function to check it works in different cases
+// Terms:
+// Fractions: https://www.bbc.co.uk/bitesize/topics/zt9n6g8/articles/zjxpp4j
+// Written here like this: 1/2 == Numerator/Denominator
+// the first test and first case is written for you
+// complete the rest of the tests and cases
+// write one test at a time, and make it pass, build your solution up methodically
+
+function isProperFraction(numerator, denominator) {
+    if (numerator < denominator) return true;
+}
+
+// here's our helper again
+function assertEquals(actualOutput, targetOutput) {
+  console.assert(
+    actualOutput === targetOutput,
+    `Expected ${actualOutput} to equal ${targetOutput}`
+  );
+}
+
+// Acceptance criteria:
+
+// Proper Fraction check:
+// Input: numerator = 2, denominator = 3
+// target output: true
+// Explanation: The fraction 2/3 is a proper fraction, where the numerator is less than the denominator. The function should return true.
+const properFraction = isProperFraction(2, 3);
+assertEquals(properFraction, true);
+
+// Improper Fraction check:
+// Input: numerator = 5, denominator = 2
+// target output: false
+// Explanation: The fraction 5/2 is an improper fraction, where the numerator is greater than or equal to the denominator. The function should return false.
+const improperFraction = isProperFraction(5, 2);
+assertEquals(improperFraction, false);
+
+// Negative Fraction check:
+// Input: numerator = -4, denominator = 7
+// target output: true
+// 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
+
+// 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
+
+// Stretch:
+// What other scenarios could you test for?

Sprint 3/1. Key Implement/proper fraction.js

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+function isProperFraction(numerator, denominator) {
+    if (numerator < denominator) {
+        return true;
+    } else {
+        console.assert(
+            'Expected numerator to be less than denominator'
+        );
+        return false;
+    }
+
+}
+
+function assertEquals(actualOutput, targetOutput) {
+    console.assert(
+        `Expected ${actualOutput} to equal ${targetOutput}`
+    );
+}
+
+
+module.exports = isProperFraction;
+
+Test
+

Sprint 3/2-mandatory-rewrite/Function Get Card Value.js

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+const getCardValue = require("./3-get-card-value");
+
+test("should return 11 for Ace of Spades", () => {
+    const aceofSpades = getCardValue("A♠");
+    expect(aceofSpades).toEqual(11);
+    });
+case 2
+test("should return 10 for King of Hears", () => {
+    const king of Hearts = get card getCardValue('K');
+    expect(king of Hearts).toEqual(10);
+}
+case 3
+
+// Case 2: Handle Number Cards (2-10):
+// Case 3: Handle Face Cards (J, Q, K):
+// Case 4: Handle Ace (A):
+// Case 5: Handle Invalid Cards:

Sprint 3/2-mandatory-rewrite/Rewrite Angle Types.js

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+const getAngleType = require("./1-get-angle-type");
+
+test("should identify right angle (90°)", () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+
+const getAngleType = require("./Rewrite Angle Types");
+
+const getAngleType = require("./1-get-angle-type");
+
+test("should identify right angle (90°)", () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+

Sprint 3/2-mandatory-rewrite/RewriteTestProperFraction.js

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+const isProperFraction = require("./Rewrite Proper Fraction");
+
+// Test cases
+test("should return true for numerator < denominator", () => {
+    expect(isProperFraction(1, 2)).toBe(true);
+});
+
+test("should return false for numerator == denominator", () => {
+    expect(isProperFraction(2, 2)).toBe(false);
+});
+
+test("should return false for numerator > denominator", () => {
+    expect(isProperFraction(3, 2)).toBe(false);
+});

Sprint 3/2-mandatory-rewrite/Test Angles Types.js

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+const getAngleType = require("./1-get-angle-type");
+
+test("should identify right angle (90°)", () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+
+test("should identify acute angle (< 90°)", () => {
+  expect(getAngleType(45)).toEqual("Acute angle");
+});
+
+test("should identify obtuse angle (> 90° and < 180°)", () => {
+  expect(getAngleType(135)).toEqual("Obtuse angle");
+});
+
+test("should identify straight angle (180°)", () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
+
+test("should identify reflex angle (> 180°)", () => {
+  expect(getAngleType(225)).toEqual("Reflex angle");
+});

Sprint 3/2-mandatory-rewrite/Test Rewrite Get Card Value.js

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+function getCardValue(card) {
+    switch (card) {
+        case 'A':
+            return 1;
+        case 'J':
+        case 'Q':
+        case 'K':
+            return 10;
+        default:
+            return parseInt(card);
+    }
+}
+
+module.exports = getCardValue;

Sprint 3/3.Mandatory Practice Implement/count.js

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+function countChar(stringOfCharacters, findCharacter) {
+    console.assert(typeof stringOfCharacters === 'string', 'The first argument must be a string');
+    console.assert(typeof findCharacter === 'string', 'The second argument must be a string');
+
+    let countChar = 0;
+    stringOfCharacters = stringOfCharacters.toLowerCase();
+    findCharacter = findCharacter.toLowerCase();
+    for (let i = 0; i < stringOfCharacters.length; i++) {
+        if (stringOfCharacters[i] === findCharacter) {
+            countChar++;
+        }
+    }
+    return countChar;
+}
+
+// Export the function
+module.exports = countChar;