Completed Week 3 JavaScript assignments Daryna Tkachenko

.test-summary/TEST_SUMMARY.md

@@ -0,0 +1,13 @@
+## Test Summary
+
+**Mentors**: For more information on how to review homework assignments, please refer to the [Review Guide](https://github.com/HackYourFuture/mentors/blob/main/assignment-support/review-guide.md).
+
+### 1-JavaScript - Week3
+
+|          Exercise          | Passed | Failed | ESLint |
+|----------------------------|--------|--------|--------|
+| ex1-doubleEvenNumbers.test |   1    |   -    |   ✓    |
+| ex2-mondaysWorth.test      |   2    |   -    |   ✓    |
+| ex3-lemonAllergy.test      |   3    |   -    |   ✓    |
+| ex4-observable             |   3    |   -    |   ✓    |
+| ex5-wallet                 |   5    |   -    |   ✓    |

1-JavaScript/Week3/assignment/ex1-doubleEvenNumbers.test.js

@@ -11,14 +11,9 @@ Let's rewrite it (or _refactor_ it, as experienced developers would call it):
 ------------------------------------------------------------------------------*/
 // ! Function to be tested
 function doubleEvenNumbers(numbers) {
-  // TODO rewrite the function body using `map` and `filter`.
-  const newNumbers = [];
-  for (let i = 0; i < numbers.length; i++) {
-    if (numbers[i] % 2 === 0) {
-      newNumbers.push(numbers[i] * 2);
-    }
-  }
-  return newNumbers;
+  return numbers
+      .filter(number => number % 2 === 0)
+      .map(number => number * 2);
 }
 
 // ! Unit test (using Jest)

1-JavaScript/Week3/assignment/ex2-mondaysWorth.test.js

@@ -30,8 +30,11 @@ const mondayTasks = [
 
 const hourlyRate = 25;
 
-function computeEarnings(/* TODO parameter(s) go here */) {
-  // TODO complete this function
+function computeEarnings(tasks, hourlyRate) {
+  const total = tasks
+    .map(task => task.duration / 60 * hourlyRate)
+     .reduce((sum, value) => sum + value, 0);
+  return `€${total.toFixed(2)}`;
 }
 
 // ! Unit tests (using Jest)

1-JavaScript/Week3/assignment/ex3-lemonAllergy.test.js

@@ -25,26 +25,30 @@ const fruitBasket = [
 ];
 
 // ! Function under test
-function sanitizeFruitBasket(/* TODO parameter(s) go here */) {
-  // TODO complete this function
+
+function sanitizeFruitBasket(basket, fruitToRemove) {
+  return basket.filter(fruit => fruit !== fruitToRemove);
 }
 
+
 // ! Unit tests (using Jest)
 describe('js-wk3-ex3-lemonAllergy', () => {
   test('sanitizeFruitBasket should take two parameters', () => {
-    // TODO replace next line with your code
-    expect(false).toBe(true);
+
+    sanitizeFruitBasket.length;
+    expect(sanitizeFruitBasket.length).toBe(2);
   });
 
   test('sanitizeFruitBasket should not modify the original `fruitBasket` array', () => {
     // Save the original contents of the fruit basket
     const originalFruitBasketContents = [...fruitBasket];
-    // TODO replace next line with your code
-    expect(false).toBe(true);
+
+    sanitizeFruitBasket(fruitBasket, 'lemon');
+    expect(fruitBasket).toEqual(originalFruitBasketContents);
   });
 
   test('sanitizeFruitBasket should return a new array that does not include the unwanted `lemon`', () => {
-    // TODO replace next line with your code
-    expect(false).toBe(true);
+    const newBasket = sanitizeFruitBasket(fruitBasket, 'lemon');
+    expect(newBasket.includes('lemon')).toBe(false);
   });
 });

1-JavaScript/Week3/assignment/ex4-observable/ex4-observable.js

@@ -16,10 +16,10 @@ export function createObservable() {
   const subscribers = [];
   return {
     subscribe(subscriber) {
-      // TODO complete this function
+       subscribers.push(subscriber);
     },
     notify(message) {
-      // TODO complete this function
+       subscribers.forEach(subscriber => subscriber(message));
     },
   };
 }

1-JavaScript/Week3/assignment/ex5-wallet/index.js

@@ -20,6 +20,16 @@ function createWallet(name, cash = 0) {
     return amount;
   }
 
+  function transferInto(wallet, amount) {
+    console.log(
+      `Transferring ${eurosFormatter.format(amount)} from ${name} to ${wallet.getName()}`
+    );
+    const withdrawnAmount = withdraw(amount);
+    wallet.deposit(withdrawnAmount);
+  }
+
+
+
   function transferInto(wallet, amount) {
     console.log(
       `Transferring ${eurosFormatter.format(amount)} from ${name} to ${
@@ -75,7 +85,7 @@ const quiz = {
       b: 'cash, name', 
       c: 'amount, this, wallet'
     },
-    answer: '?',
+    answer: 'b',
   },
   q2: {
     question: 'What is in the Call Stack, from top to bottom?',
@@ -84,7 +94,7 @@ const quiz = {
       b: 'anonymous, transferInto', 
       c: 'transferInto, anonymous' 
     },
-    answer: '?',
+    answer: 'c',
   },
   q3: {
     question: 'What tooltip appears when hovering over the third debug button?',
@@ -93,7 +103,7 @@ const quiz = {
       b: 'Step out of current function', 
       c: 'Step' 
     },
-    answer: '?',
+    answer: 'a',
   },
   q4: {
     question: 'What is displayed in the console?',
@@ -102,7 +112,7 @@ const quiz = {
       b: 'Transferring € 50,00 from Jack to undefined', 
       c: 'Transferring € 50,00 from Jack to Jane' 
     },
-    answer: '?',
+    answer: 'a',
   },
   q5: {
     question: 'The owner of the wallet with insufficient funds is:',
@@ -111,6 +121,6 @@ const quiz = {
       b: 'Joe', 
       c: 'Jane' 
     },
-    answer: '?',
+    answer: 'c',
   },
 };

1-JavaScript/Week3/test-reports/ex1-doubleEvenNumbers.test.report.txt

@@ -0,0 +1,13 @@
+*** Unit Test Error Report ***
+
+ PASS  1-JavaScript/Week3/assignment/ex1-doubleEvenNumbers.test.js
+  js-wk3-ex1-doubleEvenNumbers
+    ✅ doubleEvenNumbers should take the even numbers and double them (1 ms)
+
+Test Suites: 1 passed, 1 total
+Tests:       1 passed, 1 total
+Snapshots:   0 total
+Time:        0.249 s, estimated 1 s
+Ran all test suites matching /\/Users\/dashatkachenko\/Desktop\/Assignments-Cohort54\/1-JavaScript\/Week3\/assignment\/ex1-doubleEvenNumbers.test.js/i.
+No linting errors detected.
+No spelling errors detected.

1-JavaScript/Week3/test-reports/ex2-mondaysWorth.test.report.txt

@@ -0,0 +1,14 @@
+*** Unit Test Error Report ***
+
+ PASS  1-JavaScript/Week3/assignment/ex2-mondaysWorth.test.js
+  js-wk3-mondaysWorth
+    ✅ computeEarnings should take two parameters
+    ✅ computeEarnings should compute the earnings as a formatted Euro amount (1 ms)
+
+Test Suites: 1 passed, 1 total
+Tests:       2 passed, 2 total
+Snapshots:   0 total
+Time:        0.248 s, estimated 1 s
+Ran all test suites matching /\/Users\/dashatkachenko\/Desktop\/Assignments-Cohort54\/1-JavaScript\/Week3\/assignment\/ex2-mondaysWorth.test.js/i.
+No linting errors detected.
+No spelling errors detected.

1-JavaScript/Week3/test-reports/ex3-lemonAllergy.test.report.txt

@@ -0,0 +1,15 @@
+*** Unit Test Error Report ***
+
+ PASS  1-JavaScript/Week3/assignment/ex3-lemonAllergy.test.js
+  js-wk3-ex3-lemonAllergy
+    ✅ sanitizeFruitBasket should take two parameters
+    ✅ sanitizeFruitBasket should not modify the original `fruitBasket` array
+    ✅ sanitizeFruitBasket should return a new array that does not include the unwanted `lemon`
+
+Test Suites: 1 passed, 1 total
+Tests:       3 passed, 3 total
+Snapshots:   0 total
+Time:        0.241 s, estimated 1 s
+Ran all test suites matching /\/Users\/dashatkachenko\/Desktop\/Assignments-Cohort54\/1-JavaScript\/Week3\/assignment\/ex3-lemonAllergy.test.js/i.
+No linting errors detected.
+No spelling errors detected.

1-JavaScript/Week3/test-reports/ex4-observable.report.txt

@@ -0,0 +1,15 @@
+*** Unit Test Error Report ***
+
+ PASS  1-JavaScript/Week3/assignment/ex4-observable/ex4-observable.test.js
+  js-wk3-ex4-observable
+    ✅ createObservable should exist and be a function (1 ms)
+    ✅ createObservable should return an object with `subscribe` and a `notify` function properties
+    ✅ observable should notify all subscribers of any notification
+
+Test Suites: 1 passed, 1 total
+Tests:       3 passed, 3 total
+Snapshots:   0 total
+Time:        0.125 s, estimated 1 s
+Ran all test suites matching /\/Users\/dashatkachenko\/Desktop\/Assignments-Cohort54\/1-JavaScript\/Week3\/assignment\/ex4-observable\/ex4-observable.test.js/i.
+No linting errors detected.
+No spelling errors detected.

1-JavaScript/Week3/test-reports/ex5-wallet.report.txt

@@ -0,0 +1,17 @@
+*** Unit Test Error Report ***
+
+ PASS  .dist/1-JavaScript/Week3/unit-tests/ex5-wallet.test.js
+  js-wk3-ex5-wallet
+    ✅ q1: At line 24, which variables are in the scope marked Closure?
+    ✅ q2: What is in the Call Stack, from top to bottom? (1 ms)
+    ✅ q3: What tooltip appears when hovering over the third debug button?
+    ✅ q4: What is displayed in the console?
+    ✅ q5: The owner of the wallet with insufficient funds is?
+
+Test Suites: 1 passed, 1 total
+Tests:       5 passed, 5 total
+Snapshots:   0 total
+Time:        0.219 s, estimated 1 s
+Ran all test suites matching /\/Users\/dashatkachenko\/Desktop\/Assignments-Cohort54\/.dist\/1-JavaScript\/Week3\/unit-tests\/ex5-wallet.test.js/i.
+No linting errors detected.
+No spelling errors detected.