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ui/tests/e2e/specs/auth.e2e.js

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+describe('Authentication', () => {
+  it('login link exists on the home page when logged out', () => {
+    cy.visit('/')
+    cy.contains('a', 'Log in').should('have.attr', 'href', '/login')
+  })
+
+  it('login form shows an error on failure', () => {
+    cy.visit('/login')
+
+    // Enter bad login info
+    cy.get('input[name="username"]').type('badUsername')
+    cy.get('input[name="password"]').type('badPassword')
+
+    // Submit the login form
+    cy.contains('button', 'Log in').click()
+
+    // Ensure that an error displays
+    cy.contains('error logging in')
+  })
+
+  it('successful login works redirects to the home page and logging out works', () => {
+    cy.visit('/login')
+
+    // Enter the user-supplied username and password
+    cy.get('input[name="username"]').type('admin')
+    cy.get('input[name="password"]').type('password')
+
+    // Submit the login form
+    cy.contains('button', 'Log in').click()
+
+    // Confirm redirection to the homepage
+    cy.location('pathname').should('equal', '/')
+
+    // Confirm a logout link exists
+    cy.contains('a', 'Log out')
+  })
+
+  it('login after attempting to visit authenticated route redirects to that route after login', () => {
+    cy.visit('/profile?someQuery')
+
+    // Confirm redirection to the login page
+    cy.location('pathname').should('equal', '/login')
+
+    // Enter the user-supplied username and password
+    cy.get('input[name="username"]').type('admin')
+    cy.get('input[name="password"]').type('password')
+
+    // Submit the login form
+    cy.contains('button', 'Log in').click()
+
+    // Confirm redirection to the homepage
+    cy.location('pathname').should('equal', '/profile')
+    cy.location('search').should('equal', '?someQuery')
+
+    // Confirm a logout link exists
+    cy.contains('a', 'Log out')
+  })
+
+  it('logout link logs the user out when logged in', () => {
+    cy.logIn()
+
+    // Click the logout link
+    cy.contains('a', 'Log out').click()
+
+    // Confirm that the user is logged out
+    cy.contains('a', 'Log in')
+  })
+
+  it('logout from an authenticated route redirects to home', () => {
+    cy.logIn()
+    cy.visit('/profile')
+
+    // Click the logout link
+    cy.contains('a', 'Log out').click()
+
+    // Confirm we're on the correct page
+    cy.location('pathname').should('equal', '/')
+
+    // Confirm that the user is logged out
+    cy.contains('a', 'Log in')
+  })
+})