coursework compleat

Author: mjm-git185

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

@@ -11,7 +11,11 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+  if (numerator >= denominator) {
+    return false;
+  } else {
+    return true;
+  }
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +35,8 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(5, 6), true);
+assertEquals(isProperFraction(1, 100), true);
+assertEquals(isProperFraction(3, 2), false);
+assertEquals(isProperFraction(9, 9), false);
+assertEquals(isProperFraction(100, 2), false);

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

@@ -22,31 +22,44 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
+  const cardSuit = card.slice(card.length - 1);
+  const cardRank = card.slice(0, card.length - 1);
+  let cardValue;
+  if (
+    ["♠", "♥", "♦", "♣"].includes(cardSuit) &&
+    ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"].includes(
+      cardRank
+    )
+  ) {
+    if (cardRank == "1") {
+      throw "invalid";
+    }
+
+    switch (cardRank) {
+      case "A":
+        return 11;
+      case "K":
+      case "Q":
+      case "J":
+        return 10;
+      //case "1": throw RangeError("invalid")
+      default:
+        return parseInt(cardRank);
+    }
+  } else {
+    throw "invalid";
+  }
 }
 
 // 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;
 
 // Helper functions to make our assertions easier to read.
-function assertEquals(actualOutput, targetOutput) {
-  console.assert(
-    actualOutput === targetOutput,
-    `Expected ${actualOutput} to equal ${targetOutput}`
-  );
-}
+// function assertEquals(actualOutput, targetOutput) {
+//   console.assert(
+//     actualOutput === targetOutput,
+//     `Expected ${actualOutput} to equal ${targetOutput}`
 
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
-// Examples:
-assertEquals(getCardValue("9♠"), 9);
-
-// Handling invalid cards
-try {
-  getCardValue("invalid");
-
-  // This line will not be reached if an error is thrown as expected
-  console.error("Error was not thrown for invalid card");
-} catch (e) {}
-
-// What other invalid card cases can you think of?
+//invalid card cases can you think of?

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

@@ -13,8 +13,31 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
   expect(getAngleType(89)).toEqual("Acute angle");
 });
 
-// Case 2: Right angle
+//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 (90>  angle < 180)`,() =>{
+  expect(getAngleType(91)).toEqual("Obtuse angle")
+  expect(getAngleType(127)).toEqual("Obtuse angle")
+  expect(getAngleType(179)).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 (180> angle <=360)`,()=>{
+      expect(getAngleType(181)).toEqual("Reflex angle")
+      expect(getAngleType(270)).toEqual("Reflex angle")
+      expect(getAngleType(359)).toEqual("Reflex angle")
+
+  });
 // Case 6: Invalid angles
+  test(`should return "Invalid angle" when(360>)`,()=>{
+      expect(getAngleType(361)).toEqual("Invalid")
+  });

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

@@ -7,4 +7,19 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 // Special case: numerator is zero
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
+  expect(isProperFraction(0,0)).toEqual(false)
+});
+
+// Where the numerator is > than the denominator
+test(`should return false when the (numerator > denominator)`,()=>{
+  expect(isProperFraction(4,2)).toEqual(false)
+  expect(isProperFraction(100,6)).toEqual(false)
+  expect(isProperFraction(5,-10)).toEqual(false)
+});
+
+// Where the fraction is correct
+test(`Should return a true when the (numerator < denominator)`,()=>{
+  expect(isProperFraction(1,2)).toEqual(true)
+  expect(isProperFraction(6,8)).toEqual(true)
+  expect(isProperFraction(-1,2)).toEqual(true)
 });

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

@@ -7,14 +7,36 @@ const getCardValue = require("../implement/3-get-card-value");
 // Case 1: Ace (A)
 test(`Should return 11 when given an ace card`, () => {
   expect(getCardValue("A♠")).toEqual(11);
+  expect(getCardValue("A♣")).toEqual(11);
+  expect(getCardValue("A♥")).toEqual(11);
+  expect(getCardValue("A♦")).toEqual(11);
 });
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+test(`Should return 11 when given an ace card`, () => {
+  expect(getCardValue("7♠")).toEqual(7);
+  expect(getCardValue("9♣")).toEqual(9);
+  expect(getCardValue("3♥")).toEqual(3);
+  expect(getCardValue("5♦")).toEqual(5);
+});
 //   Face Cards (J, Q, K)
-//   Invalid Cards
+test(`Should return 11 when given an ace card`, () => {
+  expect(getCardValue("J♠")).toEqual(10);
+  expect(getCardValue("K♣")).toEqual(10);
+  expect(getCardValue("Q♥")).toEqual(10);
+  expect(getCardValue("K♦")).toEqual(10);
+});
+  //Invalid Cards
+test("throws on invalid card", () => {
+  expect(() => {
+    getCardValue("JJ"); }).toThrow("invalid");
+  expect(() => {
+    getCardValue("1♠"); }).toThrow("invalid");
+expect(() => {
+    getCardValue("A1"); }).toThrow("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
-

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

@@ -1,5 +1,14 @@
 function countChar(stringOfCharacters, findCharacter) {
-  return 5
+totalCount=stringOfCharacters.split("");
+Count=0
+for(i=0; i<totalCount.length; i++){
+    if(totalCount[i]===findCharacter){
+        Count++
+    }
 }
-
+return Count
+}
+console.log(countChar("AAA","A"))
 module.exports = countChar;
+
+

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

@@ -11,14 +11,19 @@ const countChar = require("./count");
 // Then it should correctly count occurrences of `char`.
 
 test("should count multiple occurrences of a character", () => {
-  const str = "aaaaa";
-  const char = "a";
-  const count = countChar(str, char);
-  expect(count).toEqual(5);
+  expect(countChar("aaaaa","a")).toEqual(5);
 });
 
 // Scenario: No Occurrences
+test(`should return 0 in the instance of no char counted`,() =>{
+  expect(countChar("","a")).toEqual(0);
+});
+
+//});
 // Given the input string `str`,
-// And a character `char` that does not exist within `str`.
+test(` character char that does not exist within str`,()=>{
+  expect(countChar("aaaaa","b")).toEqual(0);
+});
+
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of `char` were found.

Sprint-3/2-practice-tdd/get-ordinal-number.js

@@ -1,5 +1,18 @@
 function getOrdinalNumber(num) {
-  return "1st";
-}
+  if (num >=11 &&  num <= 19){
+    return `${num}th`
+  };
 
+  const lastDigit = num % 10
+  switch (lastDigit) {
+    case 1:
+      return `${num}st`;
+    case 2:
+      return `${num}nd`;
+    case 3:
+      return `${num}rd`;
+    default:
+      return `${num}th`;
+  }
+}
 module.exports = getOrdinalNumber;

Sprint-3/2-practice-tdd/get-ordinal-number.test.js

@@ -18,3 +18,23 @@ test("should append 'st' for numbers ending with 1, except those ending with 11"
   expect(getOrdinalNumber(21)).toEqual("21st");
   expect(getOrdinalNumber(131)).toEqual("131st");
 });
+test("should append 'st' for numbers ending with 1, except those ending with 11", () => {
+  expect(getOrdinalNumber(2)).toEqual("2nd");
+  expect(getOrdinalNumber(22)).toEqual("22nd");
+  expect(getOrdinalNumber(132)).toEqual("132nd");
+  });
+  test("should append 'st' for numbers ending with 1, except those ending with 11", () => {
+  expect(getOrdinalNumber(3)).toEqual("3rd");
+  expect(getOrdinalNumber(23)).toEqual("23rd");
+  expect(getOrdinalNumber(133)).toEqual("133rd");
+  });
+  test("should append 'st' for numbers ending with 1, except those ending with 11", () => {
+  expect(getOrdinalNumber(4)).toEqual("4th");
+  expect(getOrdinalNumber(25)).toEqual("25th");
+  expect(getOrdinalNumber(134)).toEqual("134th");
+  });
+  test("should append 'st' for numbers ending with 1, except those ending with 11", () => {
+  expect(getOrdinalNumber(11)).toEqual("11th");
+  expect(getOrdinalNumber(14)).toEqual("14th");
+  expect(getOrdinalNumber(18)).toEqual("18th");
+  });

Sprint-3/2-practice-tdd/repeat-str.js

@@ -1,5 +1,8 @@
-function repeatStr() {
-  return "hellohellohello";
-}
+function repeatStr(times, str) {
+  if (times < 0){ throw ("error")}
+  return str.repeat(times);
+
+} 
+
 
 module.exports = repeatStr;