website/cypress/integration/pages/authentication/signin.spec.ts

import { authenticationHandlers } from '../../../fixtures/handler'
import {
  postUsersSigninHandler,
  postUsersSigninInvalidCredentialsHandler
} from '../../../fixtures/users/signin/post'
import { userExample } from '../../../fixtures/users/user'

describe('Pages > /authentication/signin', () => {
  beforeEach(() => {
    cy.task('stopMockServer')
    cy.visit('/authentication/signin')
  })

  it('should succeeds and sign in the user', () => {
    cy.task('startMockServer', [
      ...authenticationHandlers,
      postUsersSigninHandler
    ])
    cy.get('#error-email').should('not.exist')
    cy.get('#error-password').should('not.exist')
    cy.get('[data-cy=input-email]').type(userExample.email)
    cy.get('[data-cy=input-password]').type('randompassword')
    cy.get('[data-cy=submit]').click()
    cy.location('pathname').should('eq', '/application')
  })

  it('should fails with unreachable api server', () => {
    cy.get('#error-email').should('not.exist')
    cy.get('#error-password').should('not.exist')
    cy.get('[data-cy=input-email]').type(userExample.email)
    cy.get('[data-cy=input-password]').type('randompassword')
    cy.get('[data-cy=submit]').click()
    cy.get('#message').should('have.text', 'Error: Internal Server Error.')
    cy.get('#error-email').should('not.exist')
    cy.get('#error-password').should('not.exist')
  })

  it('should fails with invalid credentials', () => {
    cy.task('startMockServer', [
      ...authenticationHandlers,
      postUsersSigninInvalidCredentialsHandler
    ])
    cy.get('#error-email').should('not.exist')
    cy.get('#error-password').should('not.exist')
    cy.get('[data-cy=input-email]').type(userExample.email)
    cy.get('[data-cy=input-password]').type('randompassword')
    cy.get('[data-cy=submit]').click()
    cy.get('#message').should(
      'have.text',
      'Error: Invalid credentials. Please try again.'
    )
    cy.get('#error-email').should('not.exist')
    cy.get('#error-password').should('not.exist')
  })
})