赛普拉斯:在多个API测试中重复使用身份验证令牌 [英] Cypress: Re-use auth token across multiple API tests

问题描述

我有一个生成令牌的Rest API.此会话令牌在多个REST API中用作授权 Bearer令牌.我以此为参考:

I have a Rest API which generates a token. This session token is used across multiple REST API's as an authorization Bearer token. I used this as reference: https://github.com/cypress-io/cypress-example-recipes/blob/master/examples/logging-in__jwt/cypress/integration/spec.js

但是，在该示例中，生成令牌的功能嵌入在测试中.我试图创建一个应在本地存储的自定义命令，但测试未将其拾取.请注意，自定义命令中不包含返回值.

However, in that example, the function to generate token is embedded in the test. I tried to create a custom command for which should store locally but it is not being picked up by the test. Note that no return value is included in the custom command.

下面 support/commands.js 下的我的代码:

let identity
Cypress.Commands.add('postToken', () => {
    cy.request({
        method: 'POST',
        url: Cypress.env('api_identity_url'), //get from cypress.env.json
        form: true, //sets to application/x-www-form-urlencoded
        body: {
            grant_type: 'client_credentials',
            scope: 'xero_all-apis'
        },
        auth: {
            username: Cypress.env('api_identity_username'),
            password: Cypress.env('api_identity_password')
        }
    })
        .its('body')
        .then((response) => {
            identity = response
            window.localStorage.setItem('identity', JSON.stringify(identity))
            cy.log(identity.access_token)
        })
})

我的测试:

context('Check token details', () => {
  it('Check token', () => {
      cy.postToken()
      const bToken = window.localStorage.getItem('identity')
      cy.log(bToken)
  })
})

运行测试时，日志显示'identity'的 null 值.但是，它在我放置 cy.log(identity.access_token)的自定义命令中显示了当前值.我尝试使用 cy.writeFile ，但我认为这不是一个干净的方法.必须在函数和不同的类之间传递某种数据.

When I run the test, the log shows null value for 'identity'. However, it shows the current value in the custom command where I placed cy.log(identity.access_token) I tried using cy.writeFile but I don't think this is a clean method. There must be some way data can be passed between functions, and different classes.

示例JSON格式:

{
  "token": "<this is the value I would like to use for other API's authorisation bearer token>",
  "expires_in": 1200,
  "token_type": "Bearer"
}

推荐答案

您可以使用cypress-localstorage-commands 软件包可在测试之间持久化localStorage.

You can use the cypress-localstorage-commands package to persist localStorage between tests.

在 support/commands.js 中:

import "cypress-localstorage-commands";

Cypress.Commands.add('postToken', () => {
  cy.request({
    method: 'POST',
    url: Cypress.env('api_identity_url'), //get from cypress.env.json
    form: true, //sets to application/x-www-form-urlencoded
    body: {
      grant_type: 'client_credentials',
      scope: 'xero_all-apis'
    },
    auth: {
      username: Cypress.env('api_identity_username'),
      password: Cypress.env('api_identity_password')
    }
  })
  .its('body')
  .then(identity => {
    cy.setLocalStorage("identity_token", identity.token);
  });
});

在测试内部:

describe("postToken", ()=> {
  before(() => {
    cy.postToken();
    cy.saveLocalStorage();
  });

  beforeEach(() => {
    cy.restoreLocalStorage();
  });

  it("should exist identity in localStorage", () => {
    cy.getLocalStorage("identity_token").should("exist");
    cy.getLocalStorage("identity_token").then(token => {
      console.log("Identity token", token);
    });
  });

  it("should still exist identity in localStorage", () => {
    cy.getLocalStorage("identity_token").should("exist");
    cy.getLocalStorage("identity_token").then(token => {
      console.log("Identity token", token);
    });
  });
});

这篇关于赛普拉斯:在多个API测试中重复使用身份验证令牌的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！