cypress_login_command.js

Cypress.Commands.add('login', (email, password) => {
  // Make a POST request to our backend
  // We are using GraphQL, so as a body we are passing mutation:
  cy
    .request({
      url: 'http://localhost:4000/graphql',
      method: 'POST',
      body: {
        query:
          'mutation login($email: String!, $password: String!) {loginUser(email: $email, password: $password)}',
        variables: { email, password },
      },
    })
    .then(resp => {
      // assert response from server
      expect(resp.status).to.eq(200);
      expect(resp.body).to.have.property('data');
      // all our private routes check for auth token stored in redux store, so let's pass it there
      window.localStorage.setItem(
        'reduxPersist:user',
        JSON.stringify({ refreshToken: resp.body.data.loginUser })
      );
      // go to Dashboard
      cy.visit('/c');
    });
});