require 'spec_helper'

describe 'hooks' do
  describe 'around' do
    RSpec.shared_context :around_count do
      before do
        @test_in_progress = nil
      end

      before :all do
        @@around_stack = []
        @@around_completed = 0
        @@around_failures = []
      end

      after :all do
        raise @@around_failures.join "\n" if @@around_failures.any?
        raise 'hooks not empty!' unless @@around_stack.empty?
        unless @@around_completed == @@expected_around_hits
          msg = "Expected #{@@expected_around_hits} around hits but got #{@@around_completed} for #{self}"
          `console.error(#{msg})`
        end
      end
    end

    let(:fail_before_example_run) { false }
    let(:fail_after_example_run) { false }
    let(:skip_run) { false }

    context 'sync' do
      subject { 42 }

      around do |example|
        raise 'around failed before example properly' if fail_before_example_run
        look_for = example.description
        @@around_stack << look_for
        example.run unless skip_run
        last = @@around_stack.pop
        @@around_failures << "Around hook kept executing even though test #{@test_in_progress} was running!" if @test_in_progress
        @@around_failures << "Around hooks are messed up because we expected #{look_for} but we popped off #{last}" unless last == look_for
        @@around_completed += 1
        raise 'around failed after example properly' if fail_after_example_run
      end

      context 'succeeds' do
        before :context do
          @@expected_around_hits = 1
        end
        include_context :around_count

        it { is_expected.to equal 42 }
      end

      context 'fails before example' do
        before :context do
          @@expected_around_hits = 0
        end
        include_context :around_count

        let(:fail_before_example_run) { true }

        it { is_expected.to equal 42 }
      end

      context 'fails after example' do
        before :context do
          @@expected_around_hits = 1
        end
        include_context :around_count

        let(:fail_after_example_run) { true }

        it { is_expected.to equal 42 }
      end
    end
  end
end