commands.js

function _clickOnToken(inputOrOutput) {
  cy.get(`#swap-currency-${inputOrOutput} .open-currency-select-button`).click()
}

function _selectTokenFromSelector(tokenAddress, inputOrOutput) {
  cy.get('.token-item-' + tokenAddress).should('be.visible')
  cy.get('.token-item-' + tokenAddress).click({ force: true })
  cy.get(`#swap-currency-${inputOrOutput} .token-amount-input`).should('be.visible')
}

function _responseHandlerFactory(body) {
  return (req) =>
    req.reply((res) => {
      const newBody = JSON.stringify(body || res.body)
      res.body = newBody
    })
}

function clickInputToken() {
  _clickOnToken('input')
}

function clickOutputToken() {
  _clickOnToken('output')
}

function selectOutput(tokenAddress) {
  clickOutputToken()
  _selectTokenFromSelector(tokenAddress, 'output')
}

function selectInput(tokenAddress) {
  clickInputToken()
  _selectTokenFromSelector(tokenAddress, 'input')
}

function enterInputAmount(tokenAddress, amount, selectToken = false) {
  // Choose whether to also select token
  // or just input amount
  if (selectToken) {
    selectOutput(tokenAddress)
  }
  cy.get('#swap-currency-input .token-amount-input').type(amount.toString(), { force: true, delay: 400 })
}

function enterOutputAmount(tokenAddress, amount, selectToken = false) {
  // Choose whether to also select token
  // or just input amount
  if (selectToken) {
    selectOutput(tokenAddress)
  }
  cy.get('#swap-currency-input .token-amount-output').type(amount.toString(), { force: true, delay: 400 })
}

function stubResponse({ url, alias = 'stubbedResponse', body }) {
  cy.intercept({ method: 'GET', url }, _responseHandlerFactory(body)).as(alias)
}

Cypress.Commands.add('swapClickInputToken', () => clickInputToken)
Cypress.Commands.add('swapClickOutputToken', () => clickOutputToken)
Cypress.Commands.add('swapSelectInput', selectInput)
Cypress.Commands.add('swapSelectOutput', selectOutput)
Cypress.Commands.add('swapEnterInputAmount', enterInputAmount)
Cypress.Commands.add('swapEnterOutputAmount', enterOutputAmount)
Cypress.Commands.add('stubResponse', stubResponse)