如何解决根据我发送的参数,在同一个测试中两次模拟同一个函数
it('Should return error',async () => {
const searchMetadata = {
details: {}
};
sandBox.mock(resultService).expects('doesSearchExists').atLeast(1).resolves(true);
sandBox.mock(resultService).expects('doesSearchExists').atLeast(1).withArgs("limit").resolves(false);
sandBox.mock(analyticsService).expects('getMetadata').throws(UNABLE_TO_CALculaTE_MetaDATA);
await GET(request,res,(result: any) => {
expect(result).to.be.deep.equal(UNABLE_TO_CALculaTE_MetaDATA)
});
});
正如你所看到的,我试图根据我发送的参数以不同的方式模拟同一个函数 doSearchExists 两次。如果发送限制,doesSearchExists 应该返回 false,如果缺少限制,doesSearchExists 应该返回 true。但是当我尝试它时,我得到
TypeError: Attempted to wrap doesSearchExists which is already wrapped
知道如何实现上述目标吗?
解决方法
我制作了 a runnable example 来解决您的问题。
// Employs 'mini-mocha' to emulate running in the Mocha test runner (mochajs.org)
require("@fatso83/mini-mocha").install();
const sinon = require("sinon");
const {assert} = require('@sinonjs/referee');
// The SUT
const resultService = {
doesSearchExists(arg) {}
}
describe("SO67960235",function() {
const sandbox = sinon.createSandbox();
it('Should return error <-- this title is wrong',async () => {
// setup mocks
const mock = sandbox.mock(resultService)
mock.expects('doesSearchExists').atLeast(1).resolves(true);
mock.expects('doesSearchExists').atLeast(1).withArgs("limit").resolves(false);
// call your external methods that exercise your mocks
console.log(await resultService.doesSearchExists("foo")); // true
console.log(await resultService.doesSearchExists("limit")); // false
// verify that they were called as expected
mock.verify();
});
});
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