Rspec 测试调用服务函数

Question

我有一个服务，我想测试是否调用了一个函数。我不确定如何测试它，因为它似乎没有正在执行的 subject。

class HubspotFormSubmissionService

    def initialize(form_data)
        @form_data = form_data
    end

    def call
        potential_client = createPotentialClient
    end

    def createPotentialClient
        p "Step 1: Attempting to save potential client to database"
    end
end

我想测试 createPotentialClient 被调用：

require 'rails_helper'

RSpec.describe HubspotFormSubmissionService, type: :model do
    describe '#call' do
        let(:form_data) { {
            "first_name"=>"Jeremy", 
            "message"=>"wqffew", 
            "referrer"=>"Another Client"
        } }

        it 'attempts to process the form data' do

            expect(HubspotFormSubmissionService).to receive(:createPotentialClient)

            HubspotFormSubmissionService.new(form_data).call

        end

    end
end

我应该怎么做？

Answer 1

你可以这样设置主题。然后在测试中期望 subject 像你在模拟之后一样接收方法。我还会对 createPotentialClient 进行单独测试，以测试它是否返回了您期望的值。

subject { described_class.call } 

before do
  allow(described_class).to receive(:createPotentialClient)
end

it 'calls the method' do
  expect(described_class).to receive(:createPotentialClient)
  subject
end

Rspec 测试调用服务函数

Rspec test that service function is called

service

rspec

ruby-on-rails