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HowcanIaliasspecificGraphQLrequestsinCypress?

如何解决《HowcanIaliasspecificGraphQLrequestsinCypress?》经验,是哪儿的问题?

In Cypress, it is well-documented that you can alias specific network requests, which you can then "wait" on. This is especially helpful if you want to do something in Cypress after a specific network request has fired and finished.

Example below from Cypress documentation:

cy.server()
cy.route('POST', '**/users').as('postUser') // ALIASING OCCURS HERE
cy.visit('/users')
cy.get('#first-name').type('Julius{enter}')
cy.wait('@postUser')

However, since I'm using GraphQL in my app, aliasing no longer becomes a straightforward affair. This is because all GraphQL queries share one endpoint /graphql.

Despite it not being possible to differentiate between different graphQL queries using the url endpoint alone, it is possible to differentiate graphQL queries using operationName (refer to following image).

Having dug through the documentation, there doesn't appear to be a way to alias graphQL endpoints using operationName from the request body. I'm also returning the operationName (yellow arrow) as a custom property in my response header; however, I haven't managed to find a way to use it to alias specific graphQL queries either.

FAILED METHOD 1: This method attempts to use the purple arrow shown in image.

cy.server();
cy.route({
    method: 'POST',
    url: '/graphql',
    onResponse(reqObj) {
        if (reqObj.request.body.operatiOnName=== 'editIpo') {
            cy.wrap('editIpo').as('graphqlEditIpo');
        }
    },
});
cy.wait('@graphqlEditIpo');

This method doesn't work since the graphqlEditIpo alias is registered at runtime and as such, the error I receive is as follows.

CypressError: cy.wait() could not find a registered alias for: '@graphqlEditIpo'. Available aliases are: 'ipoInitial, graphql'.

FAILED METHOD 2: This method attempts to use the yellow arrow shown in image.

cy.server();
cy.route({
    method: 'POST',
    url: '/graphql',
    headers: {
        'operation-name': 'editIpo',
    },
}).as('graphql');
cy.wait('graphql');

此方法无效,因为cy.route的options对象中的headers属性实际上旨在接受每个docs存根路由的响应标头。在这里,我试图用它来识别我的特定graphQL查询,这显然行不通。

这就引出了我的问题:如何在赛普拉斯中为特定的graphQL查询/突变设置别名?我错过了什么吗?


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