CODEWITHSUNDEEP
ruby-on-railsrspec
Noriaki Takamizawa
Noriaki Takamizawa

Reputation: 1039

How to stub in RSpec?

I can't figure out why stub can't create in this source. I'm trying to test the logic inside if statement. if user.nil? || company.nil? is the condition. For that purpose, I made spec definition as below.

  def introduce
    accountant_request = AccountantRequest.with_introduce_request_status(:requested).find(params[:id])

    company = Company.find_by(id: accountant_request.company_id)
    user    = User.find_by(id: company.try(:primary_user_id))
    if user.nil? || company.nil?
      redirect_to admin_accountant_requests_path, alert: 'There is no company or user' and return
    end

Here's the spec. My expectation is Company.find_by(...) returns nil.

  shared_examples 'post #introduce' do
    subject(:response) { post 'introduce', params_for_introduce }

    context 'error by user.nil? || company.nil?' do
      it 'fail' do
        allow_any_instance_of(Company).to receive(:find_by).and_return(nil)
        expect(response).to have_http_status 302
        expect(response).to redirect_to introduce_error_redirect_path2
      end
    end

Unfortunately, company = Company.find_by(id: accountant_request.company_id) returns existing record not nil. So I could not examine inside if statement.

What's wrong? And what should I do in this case? Any idea is welcomed.

Upvotes: 0

Views: 780

Answers (1)

Samy Kacimi
Samy Kacimi

Reputation: 1238

allow_any_instance_of should be used for an instance of the Company class, but here find_by is called on the class itself

Try this (before executing the test subject i.e the request) :

allow(Company).to receive(:find_by) { nil }

Upvotes: 2

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