solved

.github/workflows/test.yml-template

@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test

package.json

@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^1.9.12",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",

src/calculateRentalCost.js

@@ -3,8 +3,23 @@
  *
  * @return {number}
  */
+
+const LONG_TERM = 7;
+const LONG_TERM_DISCOUNT = 50;
+const SHORT_TERM = 3;
+const SHORT_TERM_DISCOUNT = 20;
+const RENT = 40;
+
 function calculateRentalCost(days) {
-  // write code here
+  if (days >= LONG_TERM) {
+    return RENT * days - LONG_TERM_DISCOUNT;
+  }
+
+  if (days >= SHORT_TERM) {
+    return RENT * days - SHORT_TERM_DISCOUNT;
+  }
+
+  return RENT * days;
 }
 
 module.exports = calculateRentalCost;

src/calculateRentalCost.test.js

@@ -3,21 +3,17 @@
 const calculateRentalCost = require('./calculateRentalCost');
 
 test(`Do not add any discount for less than 3 days`, () => {
-  expect(calculateRentalCost(2))
-    .toBe(80);
+  expect(calculateRentalCost(2)).toBe(80);
 });
 
 test('Should add the basic discount from 3 to 6 days of rent', () => {
-  expect(calculateRentalCost(3))
-    .toBe(100);
+  expect(calculateRentalCost(3)).toBe(100);
 });
 
 test('Should add the basic discount from 3 to 6 days of rent', () => {
-  expect(calculateRentalCost(6))
-    .toBe(220);
+  expect(calculateRentalCost(6)).toBe(220);
 });
 
 test('Should add an additional discount for 7 and more days of rent', () => {
-  expect(calculateRentalCost(7))
-    .toBe(230);
+  expect(calculateRentalCost(7)).toBe(230);
 });