require 'spec_helper'

RSpec.describe Visa::Request do
  describe '#valid?' do
    let(:environment) { {'rack.input' => StringIO.new('')} }
    let(:request)     { Visa::Request.new environment }
    let(:token)       { double 'token', last_requested_at: nil,
      created_at: 1.minute.ago, voided_at: nil }

    before :each do
      environment['QUERY_STRING'] = <<-STR
access_token=1234567890123456789012345678901234567890123456789012345678
      STR

      allow(Visa::Token).to receive(:find_by_credentials).and_return(token)
    end

    it 'sources credentials from the access_token parameter' do
      expect(Visa::Token).to receive(:find_by_credentials).
        with('1234567890123456', '789012345678901234567890123456789012345678').
        and_return(nil)

      request.valid?
    end

    it 'returns true when a matching token is found' do
      expect(request).to be_valid
    end

    it 'returns true when an unused token is less than two weeks old' do
      allow(token).to receive(:created_at).and_return(13.days.ago)

      expect(request).to be_valid
    end

    it 'returns true when a matching token has been used within two weeks' do
      allow(token).to receive(:last_requested_at).and_return(13.days.ago)

      expect(request).to be_valid
    end

    it 'returns true when a matching token has not been voided' do
      allow(token).to receive(:voided_at).and_return(nil)

      expect(request).to be_valid
    end

    it 'returns false when no token is found' do
      allow(Visa::Token).to receive(:find_by_credentials).and_return(nil)

      expect(request).to_not be_valid
    end

    it 'returns false when an unused token is more than two weeks old' do
      allow(token).to receive(:created_at).and_return(15.days.ago)

      expect(request).to_not be_valid
    end

    it 'returns false when token has not been used in more than two weeks' do
      allow(token).to receive(:last_requested_at).and_return(15.days.ago)

      expect(request).to_not be_valid
    end

    it 'returns false when token has been voided' do
      allow(token).to receive(:voided_at).and_return(1.minute.ago)

      expect(request).to_not be_valid
    end
  end
end