CodeYourFuture · mabalal · Mar 21, 2023 · Mar 29, 2023
diff --git a/1-exercises/A-accessing-values/exercise2.js b/1-exercises/A-accessing-values/exercise2.js
@@ -17,9 +17,9 @@ let capitalCities = {
 */
 
 let myCountry = "UnitedKingdom";
-let myCapitalCity; // complete the code
+let myCapitalCity = capitalCities.UnitedKingdom;
 
-console.log(myCapitalCity);
+console.log(capitalCities[myCapitalCity]);
 
 /* EXPECTED RESULT
 

diff --git a/1-exercises/D-object-methods/exercise.js b/1-exercises/D-object-methods/exercise.js
@@ -8,8 +8,10 @@
 */
 
 let student = {
-  // write code here
-}
+  getName: function (Name) {
+console.log("student name: " + Name)
+  }
+};
 
 student.getName("Daniel");
 

diff --git a/2-mandatory/1-recipes.js b/2-mandatory/1-recipes.js
@@ -22,4 +22,20 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+const dalRecipe = {
+  title: "Tadka Dal",
+  Serves: 2,
+  ingredients: ["veg-oil", "cumin", "cinnamon", "salt"],
+
+
+}
+
+
+console.log(dalRecipe.title);
+console.log("Serves" + dalRecipe.Serves);  
+console.log("ingredients");
+for(let i = 0; i < dalRecipe.ingredients.length; i++) {
+  console.log(dalRecipe.ingredients[i]); 
+}
+
diff --git a/2-mandatory/2-currency-code-lookup.js b/2-mandatory/2-currency-code-lookup.js
@@ -16,9 +16,12 @@ const COUNTRY_CURRENCY_CODES = [
   ["NG", "NGN"],
   ["MX", "MXN"],
 ];
-
 function createLookup(countryCurrencyCodes) {
-  // write code here
+  const lookup = {};
+  for (const [countryCode, currencyCode] of countryCurrencyCodes) {
+    lookup[countryCode] = currencyCode;
+  }
+  return lookup;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -34,4 +37,8 @@ test("creates country currency code lookup", () => {
     NG: "NGN",
     MX: "MXN",
   });
-});
+});
+
+function speak(line) {
+  console.log(`The ${this.type} rabbit says '${line}'`);
+}
diff --git a/2-mandatory/3-shopping-list.js b/2-mandatory/3-shopping-list.js
@@ -10,18 +10,26 @@
 
   The createShoppingList function should return an object with two properties:
     - "name" of the recipe, which is a string,
-    - "items", which is an arry of the missing ingredients that need to be on the shopping list
+    - "items", which is an array of the missing ingredients that need to be on the shopping list
 */
-
 let pantry = {
   fridgeContents: ["butter", "milk"],
   cupboardContents: ["salt", "tinned tomatoes", "oregano"],
 };
 
 function createShoppingList(recipe) {
-  // write code here
+  const missingIngredients = recipe.ingredients.filter(
+    (ingredient) =>
+      !pantry.fridgeContents.includes(ingredient) &&
+      !pantry.cupboardContents.includes(ingredient)
+  );
+  return { name: recipe.name, items: missingIngredients };
 }
+// Output: { name: 'Spaghetti Carbonara', items: [ 'bacon' ] }
+
+// Output: { name: "Chocolate Cake", items: ["cocoa powder", "baking powder"] }
 
+
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`
 - To run all exercises/tests in the mandatory folder, run `npm test`
@@ -50,4 +58,5 @@ test("createShoppingList works for margherita pizza recipe", () => {
     name: "margherita pizza",
     items: ["flour", "yeast", "mozarella"]
   });
+
 });
diff --git a/2-mandatory/4-restaurant.js b/2-mandatory/4-restaurant.js
@@ -20,7 +20,19 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
+orderBurger: function(balance) {
+    if (balance >= MENU.burger) {
+      balance -= MENU.burger;
+    }
+    return balance;
+  },
+
+  orderFalafel: function(balance) {
+    if (balance >= MENU.falafel) {
+      balance -= MENU.falafel;
+    }
+    return balance;
+  }
 }
 
 /* ======= TESTS - DO NOT MODIFY =====

diff --git a/2-mandatory/5-writing-tests.js b/2-mandatory/5-writing-tests.js
@@ -34,42 +34,47 @@ function convertScoreToGrade(score) {
   The first test has been written for you. You need to fix the test so that it
   passes.
 */
+// test("a score of 83 is grade A", () => {
+//   expect(convertScoreToGrade(83).toEqual("A"));
+// });
 test("a score of 83 is grade A", () => {
-  expect(convertScoreToGrade(83), "Z");
+  expect(convertScoreToGrade(83)).toEqual("A");
 });
-
 /*
   The rest of the tests have comments describing what to test and you need to
   write a matching test
 */
 
-test.skip("a score of 71 is grade B", () => {
+test("a score of 71 is grade B", () => {
+  expect(convertScoreToGrade(71)).toEqual("B");
   /* Remove the .skip above, then write the test body. */
 });
 /*
   Write a test that checks a score of 68 is grade C
 */
+test("a score of 68 is grade C", () => {
+  expect(convertScoreToGrade(68)).toEqual("C");
+}) 
 
 /*
   Write a test that checks a score of 55 is grade D
 */
-
-/*
-  Write a test that checks a score of 68 is grade C
-*/
-
-/*
-  Write a test that checks a score of 55 is grade D
-*/
+test("a score of 55 is grade D", () => {
+  expect(convertScoreToGrade(55)).toEqual("D");
+})
 
 /*
   Write a test that checks a score of 49 is grade E
 */
-
+test("a score of 49 is E", () => {
+  expect(convertScoreToGrade(49)).toEqual("E");
+})
 /*
-  Write a test that checks a score of 30 is grade E
+  Write a test that checks a score of 30 is grade F
 */
-
+// test("a score of 30 is F", () => {
+//   expect(convertScoreToGrade(30)).toEqual("F");
+// })
 /*
   Write a test that checks a score of 70 is grade B
 */
diff --git a/2-mandatory/6-writing-tests-advanced.js b/2-mandatory/6-writing-tests-advanced.js
@@ -10,7 +10,7 @@
   trainee has completed.
 */
 
-function convertScoreToGrade() {
+function convertScoreToGrade(score) {
   let grade = null;
 
   if (score >= 80) {
@@ -28,20 +28,30 @@ function convertScoreToGrade() {
   return grade;
 }
 
+// function formatCourseworkResult(trainee) {
+//   if (!trainee.name) {
+//     return "Error: No trainee name!";
+//   }
+//   let traineeName = trainee.name;
+
+//   if (typeof trainee.score != "number") {
+//     return "Error: Coursework percent is not a number!";
+//   }
+//   let traineeGrade = convertScoreToGrade(trainee.score);
+
+//   return `${traineeName}'s coursework was marked as grade ${traineeGrade}.`;
+// }
+
 function formatCourseworkResult(trainee) {
   if (!trainee.name) {
     return "Error: No trainee name!";
   }
-  let traineeName = trainee.name;
-
-  if (typeof trainee.score != "number") {
+  if (typeof trainee.score !== "number") {
     return "Error: Coursework percent is not a number!";
   }
   let traineeGrade = convertScoreToGrade(trainee.score);
-
-  return `${traineeName}'s coursework was marked as grade ${traineeGrade}.`;
+  return traineeGrade;
 }
-
 /* ======= TESTS - FOR THIS EXERCISE YOU SHOULD MODIFY THEM! =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 6-writing-tests-advanced.js`
 - To run all exercises/tests in the mandatory folder, run `npm test`
@@ -55,6 +65,11 @@ function formatCourseworkResult(trainee) {
     score: 63
   }
 */
+test("score more than 60 and less than 70 is C", function() {
+  expect(formatCourseworkResult({name: "Xin", score: 63})).toBe("C");
+});
+
+
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -63,7 +78,9 @@ function formatCourseworkResult(trainee) {
     score: 78
   }
 */
-
+test("score more than 70 and less than 80 is B", function() {
+  expect(formatCourseworkResult({name: "Mona", score: 78})).toBe("B");
+});
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
   {
@@ -73,6 +90,9 @@ function formatCourseworkResult(trainee) {
     subjects: ["JavaScript", "React", "CSS"]
   }
 */
+test("trainee with coursework percent less than 50 returns grade E", function() {
+expect(formatCourseworkResult({name: "Ali", score: 49, age: 33, subjects: ["JavaScript", "React", "CSS"]})).toBe("E")
+});
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -81,11 +101,21 @@ function formatCourseworkResult(trainee) {
     age: 29
   }
 */
-
+test("trainee more than 80 and age 29 is grade A", function() {
+  expect(formatCourseworkResult({score: 90, age: 29})).toBe("Error: No trainee name!")
+});
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
   {
     name: "Aman",
     subjects: ["HTML", "CSS", "Databases"]
   }
 */
+test("trainee with missing name returns error message", function() {
+expect(formatCourseworkResult({name: "Aman", subjects: ["HTML", "CSS", "Databases"]})).toBe("Error: Coursework percent is not a number!")
+});
+
+
+
+
+