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Testing
Advanced Cypress
Testing
Jeremy Fairbank
@elpapapollo
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@testdouble helps improves
how the world build software.
testdouble.com
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Available in
print or e-book
programming-elm.com
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Testing anti-patterns
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Assumptions
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Assumptions
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Assumptions
End-to-End
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Assumptions
End-to-End
Real API
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Assumptions
End-to-End
Real API
Test Data
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The App
bit.ly/act-repo
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Selector Syndrome
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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import albums from '../../../server/jazz-albums-test-pristine.json'
describe('Home page', function () {
it('albums can be viewed on home page', function () {
cy.get('.album-list-item').should('have.length', albums.length)
albums.forEach((album) => {
cy.get('.album-list-item h2')
.contains(album.title)
.parent('.album-list-item')
.should('exist')
.find('h3')
.should('contain', album.artists.join(' - '))
})
})
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
cy.get('.album-list-item')
.eq(index)
.find('h2')
.should('contain', album.title)
})
}
cy.contains('.filter-section', 'Sort By').find('select').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.contains('.filter-section', 'Sort By').find('select').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.contains('.filter-section', 'Sort By').find('select').select('Default')
albumsSortedLike(albumsSortedById)
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.contains('.filter-section', 'Search Artists')
.find('input')
.type('John Coltrane')
cy.get('.album-list-item')
.should('have.length', 2)
.find('h2')
.should('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.parent('.album-list-item')
.find('h3')
.should('contain', 'John Coltrane')
})
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Markup or CSS changes?
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const AlbumListItem = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
)Slide 35
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const AlbumListItem = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
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const AlbumListItem = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
)Slide 37
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No content
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const AlbumListItem = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
)Slide 39
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const AlbumListItemSelectors = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
)Slide 40
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const AlbumListItemSelectors = ({ album }) => (
{album.title}
{album.artists.join(' - ')}
)Slide 41
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.contains('[data-test="album-list-item"]', album.title)
.should('contain', album.artists.join(' - '))
})
})
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setSorter(e.target.value)}
data-test="sort-by"
>
Default
Title
Artist
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cy.get('[data-test="sort-by"]').select('Title')
albumsSortedLike(albumsSortedByTitle)
cy.get('[data-test="sort-by"]').select('Artist')
albumsSortedLike(albumsSortedByArtists)
cy.get('[data-test="sort-by"]').select('Default')
albumsSortedLike(albumsSortedById)
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it('searches for artists', function () {
cy.get('[data-test="search-artists"]')
.type('John Coltrane')
cy.get('[data-test="album-list-item"]')
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.get('[data-test="search-artists"]')
.type('John Coltrane')
cy.get('[data-test="album-list-item"]')
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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it('searches for artists', function () {
cy.get('[data-test="search-artists"]')
.type('John Coltrane')
cy.get('[data-test="album-list-item"]')
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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it('albums can be viewed on home page', function () {
cy.get('[data-test="album-list-item"]')
.should('have.length', albums.length)
albums.forEach((album) => {
cy.get('[data-test="title"]')
.contains(album.title)
.parent('[data-test="album-list-item"]')
.should('exist')
.find('[data-test="artists"]')
.should('contain', album.artists.join(' - '))
})
})
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Page Objects
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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import * as homePage from '../support/pages/home'
it('albums can be viewed on home page', function () {
homePage
.albums()
.should('have.length', albums.length)
albums.forEach((album) => {
homePage
.album(album.title)
.should('exist')
.and('contain', album.artists.join(' - '))
})
})
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import * as homePage from '../support/pages/home'
it('albums can be viewed on home page', function () {
homePage
.albums()
.should('have.length', albums.length)
albums.forEach((album) => {
homePage
.album(album.title)
.should('exist')
.and('contain', album.artists.join(' - '))
})
})
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import * as homePage from '../support/pages/home'
it('albums can be viewed on home page', function () {
homePage
.albums()
.should('have.length', albums.length)
albums.forEach((album) => {
homePage
.album(album.title)
.should('exist')
.and('contain', album.artists.join(' - '))
})
})
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import * as homePage from '../support/pages/home'
it('albums can be viewed on home page', function () {
homePage
.albums()
.should('have.length', albums.length)
albums.forEach((album) => {
homePage
.album(album.title)
.should('exist')
.and('contain', album.artists.join(' - '))
})
})
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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// cypress/support/pages/home.js
export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
homePage.albums().eq(index).should('contain', album.title)
})
}
homePage.sortBy().select('Title')
albumsSortedLike(albumsSortedByTitle)
homePage.sortBy().select('Artist')
albumsSortedLike(albumsSortedByArtists)
homePage.sortBy().select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
homePage.albums().eq(index).should('contain', album.title)
})
}
homePage.sortBy().select('Title')
albumsSortedLike(albumsSortedByTitle)
homePage.sortBy().select('Artist')
albumsSortedLike(albumsSortedByArtists)
homePage.sortBy().select('Default')
albumsSortedLike(albumsSortedById)
})
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it('sorts albums', function () {
function albumsSortedLike(albumList) {
albumList.forEach((album, index) => {
homePage.albums().eq(index).should('contain', album.title)
})
}
homePage.sortBy().select('Title')
albumsSortedLike(albumsSortedByTitle)
homePage.sortBy().select('Artist')
albumsSortedLike(albumsSortedByArtists)
homePage.sortBy().select('Default')
albumsSortedLike(albumsSortedById)
})
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it('searches for artists', function () {
homePage.searchArtists().type('John Coltrane')
homePage
.albums()
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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it('searches for artists', function () {
homePage.searchArtists().type('John Coltrane')
homePage
.albums()
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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it('searches for artists', function () {
homePage.searchArtists().type('John Coltrane')
homePage
.albums()
.should('have.length', 2)
.and('contain', 'A Love Supreme')
.and('contain', 'Blue Train')
.and('contain', 'John Coltrane')
})
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Repetition
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export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-ite"]', title)
export const sortBy = () =>
cy.get('[data-test=sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"')
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export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-ite"]', title)
export const sortBy = () =>
cy.get('[data-test=sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"')
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export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-ite"]', title)
export const sortBy = () =>
cy.get('[data-test=sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"')
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Commands
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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// cypress/support/commands.js
Cypress.Commands.add(
'getByDataTest',
(key) => cy.get(`[data-test="${key}"]`)
)
// cypress/support/index.js
import './commands'
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export const albums = () =>
cy.get('[data-test="album-list-item"]')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.get('[data-test="sort-by"]')
export const searchArtists = () =>
cy.get('[data-test="search-artists"]')
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export const albums = () =>
cy.getByDataTest('album-list-item')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.getByDataTest('sort-by')
export const searchArtists = () =>
cy.getByDataTest('search-artists')
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export const albums = () =>
cy.getByDataTest('album-list-item')
export const album = (title) =>
cy.contains('[data-test="album-list-item"]', title)
export const sortBy = () =>
cy.getByDataTest('sort-by')
export const searchArtists = () =>
cy.getByDataTest('search-artists')
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Cypress.Commands.add(
'containsByDataTest',
(key, content) =>
cy.contains(`[data-test="${key}"]`, content)
)
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Cypress.Commands.add(
'containsByDataTest',
(key, content) =>
cy.contains(`[data-test="${key}"]`, content)
)
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export const album = (title) =>
cy.containsByDataTest('album-list-item', title)
Slide 89
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API Timeouts
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describe('Album page', function () {
// ...
it('can be viewed', function () {
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
// ...
})
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describe('Album page', function () {
// ...
it('can be viewed', function () {
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
// ...
})
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Wait
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it('can be viewed', function () {
cy.wait(6000)
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
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it('can be viewed', function () {
cy.wait(6000)
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
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it('can be viewed', function () {
cy.wait(6000)
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
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beforeEach(function () {
cy.server()
cy.route(buildApiUrl('/albums/*')).as('getAlbum')
// ...
})
Routes and Aliases
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beforeEach(function () {
cy.server()
cy.route(buildApiUrl('/albums/*')).as('getAlbum')
// ...
})
Routes and Aliases
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beforeEach(function () {
cy.server()
cy.route(buildApiUrl('/albums/*')).as('getAlbum')
// ...
})
Routes and Aliases
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beforeEach(function () {
cy.server()
cy.route(buildApiUrl('/albums/*')).as('getAlbum')
// ...
})
Routes and Aliases
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beforeEach(function () {
cy.server()
cy.route(buildApiUrl('/albums/*')).as('getAlbum')
// ...
})
Routes and Aliases
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it('can be viewed', function () {
cy.wait('@getAlbum')
albumPage.title().should('contain', this.album.title)
albumPage.artists().should('contain', this.album.artists)
})
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Api Testing
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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describe('REST API: albums', function () {
it('can fetch all albums', function () {
cy.request({
url: buildApiUrl('/albums'),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
cy.request({
url: buildApiUrl(`/albums/${album.id}`),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('containSubset', {
id: album.id,
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
cy.request({
url: buildApiUrl(`/albums/${album.id}`),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('containSubset', {
id: album.id,
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
cy.request({
url: buildApiUrl(`/albums/${album.id}`),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('containSubset', { // chai-subset plugin
id: album.id,
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
cy.request({
url: buildApiUrl(`/albums/${album.id}`),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('containSubset', {
id: album.id,
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
cy.request({
url: buildApiUrl(`/albums/${album.id}`),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: this.token },
})
.its('body')
.should('containSubset', {
id: album.id,
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Slide 124 text
Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Slide 125 text
Cypress.Commands.add('apiRequest', ({ body, url, ...options }) => {
const token = localStorage.getItem('jwt')
return cy.request({
...options,
failOnStatusCode: false,
url: buildApiUrl(url),
headers: {
'Content-Type': 'application/json',
},
auth: { bearer: token },
...(body && { body: JSON.stringify(body) }),
})
})
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Cypress.Commands.add('apiGet', (url) =>
cy.apiRequest({ url, method: 'GET' })
)
Cypress.Commands.add('apiPost', (url, body = null) =>
cy.apiRequest({ body, url, method: 'POST' })
)
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Slide 127 text
Cypress.Commands.add('apiGet', (url) =>
cy.apiRequest({ url, method: 'GET' })
)
Cypress.Commands.add('apiPost', (url, body = null) =>
cy.apiRequest({ body, url, method: 'POST' })
)
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Slide 128 text
Cypress.Commands.add('apiGet', (url) =>
cy.apiRequest({ url, method: 'GET' })
)
Cypress.Commands.add('apiPost', (url, body = null) =>
cy.apiRequest({ body, url, method: 'POST' })
)
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it('can fetch all albums', function () {
cy.apiGet('/albums')
.its('body')
.should('have.length', this.albums.length)
.each((album) => {
expect(this.albumTitles).to.include(album.title)
})
})
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it('can review an album and remove the review', function () {
const album = this.albums[0]
const review = 'Great album!'
const expectedReview = {
review,
user: { name: 'Emmett Brown', email: '[email protected]' },
}
cy.apiPost(`/albums/${album.id}/review`, { review })
.its('body')
.should('deep.equal', expectedReview)
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [expectedReview])
cy.apiPost(`/albums/${album.id}/remove-review`)
.its('body')
.should('deep.equal', { status: 'Removed review' })
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [])
})
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it('can review an album and remove the review', function () {
const album = this.albums[0]
const review = 'Great album!'
const expectedReview = {
review,
user: { name: 'Emmett Brown', email: '[email protected]' },
}
cy.apiPost(`/albums/${album.id}/review`, { review })
.its('body')
.should('deep.equal', expectedReview)
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [expectedReview])
cy.apiPost(`/albums/${album.id}/remove-review`)
.its('body')
.should('deep.equal', { status: 'Removed review' })
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [])
})
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it('can review an album and remove the review', function () {
const album = this.albums[0]
const review = 'Great album!'
const expectedReview = {
review,
user: { name: 'Emmett Brown', email: '[email protected]' },
}
cy.apiPost(`/albums/${album.id}/review`, { review })
.its('body')
.should('deep.equal', expectedReview)
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [expectedReview])
cy.apiPost(`/albums/${album.id}/remove-review`)
.its('body')
.should('deep.equal', { status: 'Removed review' })
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [])
})
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it('can review an album and remove the review', function () {
const album = this.albums[0]
const review = 'Great album!'
const expectedReview = {
review,
user: { name: 'Emmett Brown', email: '[email protected]' },
}
cy.apiPost(`/albums/${album.id}/review`, { review })
.its('body')
.should('deep.equal', expectedReview)
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [expectedReview])
cy.apiPost(`/albums/${album.id}/remove-review`)
.its('body')
.should('deep.equal', { status: 'Removed review' })
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [])
})
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it('can review an album and remove the review', function () {
const album = this.albums[0]
const review = 'Great album!'
const expectedReview = {
review,
user: { name: 'Emmett Brown', email: '[email protected]' },
}
cy.apiPost(`/albums/${album.id}/review`, { review })
.its('body')
.should('deep.equal', expectedReview)
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [expectedReview])
cy.apiPost(`/albums/${album.id}/remove-review`)
.its('body')
.should('deep.equal', { status: 'Removed review' })
cy.apiGet(`/albums/${album.id}`)
.its('body.userReviews')
.should('deep.equal', [])
})
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GraphQL
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Cypress.Commands.add('graphQL', (query, variables = {}) =>
cy.apiPost('/graphql', { query, variables })
)
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Cypress.Commands.add('graphQL', (query, variables = {}) =>
cy.apiPost('/graphql', { query, variables })
)
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Cypress.Commands.add('graphQL', (query, variables = {}) =>
cy.apiPost('/graphql', { query, variables })
)
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it('can fetch an album', function () {
const album = this.albums[0]
const query = `
query Album($id: ID!) {
album(id: $id) {
title
artists
rating
userReviews { review }
}
}
`
cy.graphQL(query, { id: album.id })
.its('body.data.album')
.should('deep.equal', {
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
const query = `
query Album($id: ID!) {
album(id: $id) {
title
artists
rating
userReviews { review }
}
}
`
cy.graphQL(query, { id: album.id })
.its('body.data.album')
.should('deep.equal', {
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
const query = `
query Album($id: ID!) {
album(id: $id) {
title
artists
rating
userReviews { review }
}
}
`
cy.graphQL(query, { id: album.id })
.its('body.data.album')
.should('deep.equal', {
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
const query = `
query Album($id: ID!) {
album(id: $id) {
title
artists
rating
userReviews { review }
}
}
`
cy.graphQL(query, { id: album.id })
.its('body.data.album')
.should('deep.equal', {
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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it('can fetch an album', function () {
const album = this.albums[0]
const query = `
query Album($id: ID!) {
album(id: $id) {
title
artists
rating
userReviews { review }
}
}
`
cy.graphQL(query, { id: album.id })
.its('body.data.album')
.should('deep.equal', {
title: album.title,
artists: album.artists,
rating: 'NOT_RATED',
userReviews: [],
})
})
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Authentication?
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Cypress.Commands.add('login', (email, password) => {
cy.visit('/login')
loginPage.email().type(email)
loginPage.password().type(password)
loginPage.logIn().click()
})
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Cypress.Commands.add('login', (email, password) => {
cy.visit('/login')
loginPage.email().type(email)
loginPage.password().type(password)
loginPage.logIn().click()
})
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Slide 147 text
Cypress.Commands.add(
'login',
(
email = Cypress.env('USER_EMAIL'),
password = Cypress.env('USER_PASSWORD')
) =>
cy
.request('POST', buildApiUrl('/login'), { email, password })
.its('body.token')
.then((token) => {
localStorage.setItem('jwt', token)
})
)
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Slide 148 text
Cypress.Commands.add(
'login',
(
email = Cypress.env('USER_EMAIL'),
password = Cypress.env('USER_PASSWORD')
) =>
cy
.request('POST', buildApiUrl('/login'), { email, password })
.its('body.token')
.then((token) => {
localStorage.setItem('jwt', token)
})
)
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Slide 149 text
Cypress.Commands.add(
'login',
(
email = Cypress.env('USER_EMAIL'),
password = Cypress.env('USER_PASSWORD')
) =>
cy
.request('POST', buildApiUrl('/login'), { email, password })
.its('body.token')
.then((token) => {
localStorage.setItem('jwt', token)
})
)
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Slide 150 text
Cypress.Commands.add(
'login',
(
email = Cypress.env('USER_EMAIL'),
password = Cypress.env('USER_PASSWORD')
) =>
cy
.request('POST', buildApiUrl('/login'), { email, password })
.its('body.token')
.then((token) => {
localStorage.setItem('jwt', token)
})
)
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Slide 151 text
Cypress.Commands.add(
'login',
(
email = Cypress.env('USER_EMAIL'),
password = Cypress.env('USER_PASSWORD')
) =>
cy
.request('POST', buildApiUrl('/login'), { email, password })
.its('body.token')
.then((token) => {
localStorage.setItem('jwt', token)
})
)
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beforeEach(function () {
cy.login()
})
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Selector Syndrome
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Slide 154 text
Selector Syndrome
data-test Attributes
and Page Objects
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Slide 155 text
Repetitive Code
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Repetitive Code
Custom Commands
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Slide 157 text
Timeouts/Arbitrary Waiting
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Slide 158 text
Timeouts/Arbitrary Waiting
Routes and Aliases
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Untested APIs
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Untested APIs
cy.request and
Commands
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Authenticating via UI
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Authenticating via UI
API, localStorage/cookies,
commands, and
beforeEach
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Thanks!
Thanks!
Jeremy Fairbank
@elpapapollo
Slides: bit.ly/ct-act
Repo: bit.ly/act-repo