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commands.cy.js
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commands.cy.js
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const { _ } = Cypress
describe('src/cy/commands/commands', () => {
beforeEach(() => {
cy.visit('/fixtures/dom.html')
})
it('can invoke commands by name', () => {
const body = cy.$$('body')
cy
.get('body').then(($body) => {
expect($body.get(0)).to.eq(body.get(0))
})
.command('get', 'body').then(($body) => {
expect($body.get(0)).to.eq(body.get(0))
})
})
it('can invoke child commands by name', () => {
const div = cy.$$('body>div:first')
cy
.get('body').find('div:first').then(($div) => {
expect($div.get(0)).to.eq(div.get(0))
})
.get('body').command('find', 'div:first').then(($div) => {
expect($div.get(0)).to.eq(div.get(0))
})
})
it('does not add cmds to cy.commands queue', () => {
cy.command('get', 'body').then(() => {
const names = cy.queue.names()
expect(names).to.deep.eq(['visit', 'get', 'then'])
})
})
context('custom commands', () => {
beforeEach(() => {
Cypress.Commands.add('dashboard.selectWindows', () => {
cy
.get('[contenteditable]')
.first()
})
Cypress.Commands.add('login', { prevSubject: true }, (subject, email) => {
cy
.wrap(subject.find('input:first'))
.type(email)
})
})
it('works with custom commands', () => {
const input = cy.$$('input:first')
cy
.get('input:first')
.parent()
.command('login', 'brian@foo.com').then(($input) => {
expect($input.get(0)).to.eq(input.get(0))
})
})
it('works with namespaced commands', () => {
const ce = cy.$$('[contenteditable]').first()
cy
.command('dashboard.selectWindows').then(($ce) => {
expect($ce.get(0)).to.eq(ce.get(0))
})
})
it('throws when attempting to add an existing command', (done) => {
cy.on('fail', (err) => {
expect(err.message).to.eq('`Cypress.Commands.add()` is used to create new commands, but `get` is an existing Cypress command.\n\nPlease use `Cypress.Commands.overwrite()` if you would like to overwrite an existing command.\n')
expect(err.docsUrl).to.eq('https://on.cypress.io/custom-commands')
done()
})
Cypress.Commands.add('get', () => {
cy
.get('[contenteditable]')
.first()
})
})
it('allows calling .add with hover / mount', () => {
let calls = 0
Cypress.Commands.add('hover', () => {
calls++
})
Cypress.Commands.add('mount', () => {
calls++
})
cy.mount()
cy.hover()
cy.then(() => {
expect(calls).to.eq(2)
})
})
it('throws when attempting to add a command with the same name as an internal function', (done) => {
cy.on('fail', (err) => {
expect(err.message).to.eq('`Cypress.Commands.add()` cannot create a new command named `addCommand` because that name is reserved internally by Cypress.')
expect(err.docsUrl).to.eq('https://on.cypress.io/custom-commands')
done()
})
Cypress.Commands.add('addCommand', () => {
cy
.get('[contenteditable]')
.first()
})
})
})
context('errors', () => {
it('throws when cannot find command by name', (done) => {
cy.on('fail', (err) => {
const cmds = _.keys(Cypress.Chainer.prototype)
expect(cmds.length).to.be.gt(1)
expect(err.message).to.eq(`Could not find a command for: \`fooDoesNotExist\`.\n\nAvailable commands are: \`${cmds.join('`, `')}\`.\n`)
expect(err.docsUrl).to.eq('https://on.cypress.io/api')
done()
})
cy.get('body').command('fooDoesNotExist', 'bar', 'baz')
})
})
})