Solution

cypress/e2e/checkout.cy.js

@@ -1,11 +1,48 @@
 /// <reference types='cypress' />
 
-describe('', () => {
-  before(() => {
+import { CartPageObject } from '../support/pages/cart.pageObject';
+import HomeAndCataloguePageObject
+  from '../support/pages/homeCatalogue.pageObject';
+import { faker } from '@faker-js/faker';
+
+const homePage = new HomeAndCataloguePageObject();
+const cartPage = new CartPageObject();
 
+const testData = {
+  product: 'Sony vaio i7',
+  category: 'Laptops',
+  alertMessage: 'Product added',
+  name: faker.person.firstName(),
+  country: faker.location.country(),
+  city: faker.location.city(),
+  card: faker.finance.creditCardNumber(),
+  month: faker.date.month(),
+  year: Math.floor(Math.random() * (2024 - 1900 + 1)) + 1900,
+  successMessage: 'Thanks for the message!!'
+};
+
+describe('Demoblaze flow', () => {
+  before(() => {
+    homePage.visit();
   });
 
-  it('', () => {
+  it('should provide an opportunity to make a purchase', () => {
+    homePage.clickOnCategory('Laptops');
+    homePage.clickOnProduct('Sony vaio i7');
+    homePage.clickOnButton('Add to cart');
+
+    homePage.verifyAlertMessage('Product added');
+
+    homePage.clickOnLink('Cart');
+    cartPage.verifyItemInCart('Sony vaio i7');
+    cartPage.clickOnButton('Place Order');
+
+    cartPage.fillOrderForm(testData.name, testData.country, testData.city,
+      testData.card, testData.month, testData.year);
+
+    cartPage.clickOnButton('Purchase');
+    cartPage.verifyEnteredDataOnModalWindow(testData.name, testData.card);
 
+    cartPage.clickOnButton('OK');
   });
 });

cypress/support/pages/cart.pageObject.js

@@ -0,0 +1,29 @@
+
+import PageObject from '../PageObject';
+
+export class CartPageObject extends PageObject {
+  verifyItemInCart(itemName) {
+    cy.contains(itemName)
+      .should('exist');
+  }
+
+  clickOnButton(buttonText) {
+    cy.contains(buttonText)
+      .should('be.visible')
+      .click();
+  }
+
+  fillOrderForm(name, country, city, card, month, year) {
+    cy.get('#name').type(name);
+    cy.get('#country').type(country);
+    cy.get('#city').type(city);
+    cy.get('#card').type(card);
+    cy.get('#month').type(month);
+    cy.get('#year').type(year);
+  }
+
+  verifyEnteredDataOnModalWindow(name, card) {
+    cy.get('.sweet-alert').should('contain', name);
+    cy.get('.sweet-alert').should('contain', card);
+  }
+}

cypress/support/pages/homeCatalogue.pageObject.js

@@ -17,6 +17,16 @@ class HomeAndCataloguePageObject extends PageObject {
     cy.contains('.hrefch', product)
       .click();
   }
+
+  clickOnButton(buttonText) {
+    cy.contains(buttonText).click();
+  }
+
+  verifyAlertMessage(expectedMessage) {
+    cy.on('window:alert', (text) => {
+      expect(text).to.include(expectedMessage);
+    });
+  }
 }
 
 export default HomeAndCataloguePageObject;