saleor-dashboard/cypress/apiRequests/Checkout.js

export function createCheckout(
  channelSlug,
  email,
  productQuantity,
  variantsList
) {
  const lines = variantsList.map(
    variant => `{quantity:${productQuantity}
                    variantId:"${variant.id}"}`
  );
  const mutation = `mutation{
                checkoutCreate(input:{
                  channel:"${channelSlug}"
                  email:"${email}"
                  lines: [${lines.join()}]
                }){
                  checkoutErrors{
                    field
                    message
                  }
                  created
                  checkout{
                    id
                  }
                }
              }`;
  return cy.sendRequestWithQuery(mutation);
}
export function addShippingMethod(checkoutId, shippingMethodId) {
  const mutation = `mutation{
                checkoutShippingMethodUpdate(checkoutId:"${checkoutId}",
                shippingMethodId:"${shippingMethodId}"){
                  checkoutErrors{
                    message
                    field
                  }
                }
              }`;
  return cy.sendRequestWithQuery(mutation);
}
export function addPayment(checkoutId, gateway, token) {
  const mutation = `mutation{
                checkoutPaymentCreate(checkoutId:"${checkoutId}",
                input:{
                  gateway: "${gateway}"
                  token:"${token}"
                }){
                  paymentErrors{
                    field
                    message
                  }
                }
              }`;
  return cy.sendRequestWithQuery(mutation);
}
export function completeCheckout(checkoutId) {
  const mutation = `mutation{
                checkoutComplete(checkoutId:"${checkoutId}"){
                  order{
                    id
                  }
                  confirmationNeeded
                  confirmationData
                  checkoutErrors{
                    field
                    message
                  }
                }
              }`;
  return cy.sendRequestWithQuery(mutation);
}