feat: add e2e tests for Admin Company CRUD operations

frontend/cypress/e2e/admin/companies/list.cy.ts

@@ -0,0 +1,148 @@
+describe('Admin Company CRUD', () => {
+    beforeEach(() => {
+        cy.visit('/login')
+
+        cy.wait(3000)
+
+        cy.get('input[type="email"]').type('test@example.com')
+        cy.get('input[type="password"]').type('password')
+        cy.get('button[type="submit"]').click()
+
+        cy.wait(1000)
+
+        cy.contains("Firmy").click()
+        cy.url().should('include', '/dashboard/admin/companies')
+    })
+
+    it('should load the list of companies in a proper format', () => {
+        cy.get('table').within(() => {
+            cy.validateColumn('Názov', (name) => {
+                expect(name).to.not.be.empty
+            })
+
+            cy.validateColumn('IČO', (ico) => {
+                expect(ico.trim()).to.not.be.empty
+                expect(Number(ico.trim())).to.be.a('number').and.not.be.NaN
+            })
+
+            cy.validateColumn('Kontaktná osoba', (contact_name) => {
+                const nameParts = contact_name.trim().split(' ')
+                expect(nameParts).to.have.length.at.least(2)
+                expect(nameParts[0]).to.not.be.empty
+                expect(nameParts[1]).to.not.be.empty
+            })
+
+            cy.validateColumn('Telefón', (program) => {
+                expect(program.trim()).to.not.be.empty
+            })
+
+            cy.validateColumn('E-mail', (email) => {
+                expect(email.trim()).to.not.be.empty
+                expect(email.trim()).to.include("@")
+            })
+
+            cy.validateColumn('Prijímajú študentov', (hiring) => {
+                expect(hiring.trim()).to.be.oneOf(['Áno', 'Nie'])
+            })
+
+            cy.contains('th', 'Operácie').parent('tr')
+        })
+    })
+
+    it('should be able to delete a company', () => {
+        let initialRowCount = 0
+
+        cy.get('table tbody tr').its('length').then((count) => {
+            initialRowCount = count
+        })
+
+        cy.get('table tbody tr').first().within(() => {
+            cy.contains('Vymazať').click()
+        })
+
+        cy.contains("Potvrdiť vymazanie").parent().should('be.visible')
+        cy.contains("Potvrdiť vymazanie").parent().contains("Vymazať").click()
+        cy.contains("Potvrdiť vymazanie").should('not.exist')
+
+        cy.get('table tbody tr').its('length').then((count) => {
+            expect(count).to.be.eq(initialRowCount - 1)
+        })
+    })
+
+    it('should be able to edit a student', () => {
+        // Náhodné sety
+        const companyNames = [
+            'Tech Solutions s.r.o.',
+            'Digital Systems a.s.',
+            'Innovation Labs s.r.o.',
+            'Software House Slovakia',
+            'Data Analytics Group',
+            'Cloud Services s.r.o.',
+            'IT Consulting a.s.',
+            'Web Development Studio',
+            'Mobile Apps Company',
+            'Cyber Security s.r.o.'
+        ]
+
+        // Výber náhodného študenta
+        cy.get('table tbody tr').then($rows => {
+            const randomIndex = Math.floor(Math.random() * $rows.length)
+            const randomRow = $rows.eq(randomIndex)
+
+            cy.wrap(randomIndex).as('selectedIndex')
+            cy.wrap(randomRow).as('selectedRow')
+        })
+
+        // Kliknutie na "Editovať"
+        cy.get('@selectedRow').within(() => {
+            cy.contains('Editovať').click()
+        })
+
+        // Generovanie náhodného mena
+
+        const randomCompanyName = companyNames[Math.floor(Math.random() * companyNames.length)]
+        const randomHouseNumber = Math.floor(Math.random() * 200 + 1)
+        const randomAddress = `Hlavná ${randomHouseNumber}/1, Komárno, 946 01`
+        const randomICO = String(Math.floor(Math.random() * 90000000000) + 10000000000)
+
+        // Kontrola cesty
+        cy.url().should('include', '/dashboard/admin/companies/edit/')
+
+        // Zmena názvu
+        cy.get('#input-v-1-1').clear().type(randomCompanyName)
+
+        // Zmena adresy
+        cy.get('#input-v-1-4').clear().type(randomAddress)
+
+        // Zmena IČO
+        cy.get('#input-v-1-7').clear().type(randomICO)
+
+        // Uložiť zmeny
+        cy.contains('Uložiť zmeny').click()
+
+        // Počkanie na uloženie
+        cy.wait(2000)
+        cy.url().should('include', '/dashboard/admin/companies')
+
+        // Overenie zmien v tabuľke
+        cy.get('@selectedIndex').then((index) => {
+            cy.get('table tbody tr').eq(index as number).within(() => {
+                const expectedValues = [
+                    `${randomCompanyName}`,
+                    randomICO,
+                    null, // netestuje sa
+                    null, // netestuje sa
+                    null, // netestuje sa
+                    null // netestuje sa
+                ]
+
+                cy.get('td').then($cells => {
+                    expectedValues.forEach((expectedValue, i) => {
+                        if (expectedValue === null) return; // skip checking
+                        expect($cells.eq(i).text().trim()).to.equal(expectedValue)
+                    })
+                })
+            })
+        })
+    })
+})