kc-fake-login.ts

import { createUUID, decodeToken } from "./utils";

Cypress.Commands.add("kcFakeLogin", (user: string, visitUrl = "") => {
  Cypress.log({ name: "Fake Login" });

  return cy.fixture(`users/${user}`).then((userData: UserData) => {
    if (!userData.fakeLogin) {
      throw new Error(
        "To use kcFakeLogin command you should define fakeLogin data in fixture"
      );
    }

    const authBaseUrl = Cypress.env("auth_base_url");
    const realm = Cypress.env("auth_realm");
    const {
      account,
      access_token,
      refresh_token,
      id_token
    } = userData.fakeLogin;

    const state = createUUID();
    const { nonce } = decodeToken(access_token);

    const token = {
      access_token,
      expires_in: 300,
      refresh_expires_in: 1800,
      refresh_token,
      token_type: "bearer",
      id_token,
      "not-before-policy": 0,
      session_state: createUUID(),
      scope: "openid"
    };

    const localStorageObj = {
      state,
      nonce,
      expires: Date() + 3600
    };

    const localStorageKey = `kc-callback-${state}`;

    window.localStorage.setItem(
      localStorageKey,
      JSON.stringify(localStorageObj)
    );

    cy.server();

    cy.route(
      "post",
      `${authBaseUrl}/realms/${realm}/protocol/openid-connect/token`,
      token
    );

    cy.route(`${authBaseUrl}/realms/${realm}/account`, account);

    // in case visitUrl is an url with a hash, a second hash should not be added to the url
    const joiningCharacter = visitUrl.indexOf("#") === -1 ? "#" : "&";

    const url = `${
      Cypress.config().baseUrl
    }/${visitUrl}${joiningCharacter}state=${state}&session_state=${createUUID()}&code=${createUUID()}`;

    cy.visit(url);
  });
});