# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Gitlab::Checks::SingleChangeAccess do
  describe '#validate!' do
    include_context 'change access checks context'

    subject { change_access }

    context 'without failed checks' do
      it "doesn't raise an error" do
        expect { subject.validate! }.not_to raise_error
      end

      it 'calls pushes checks' do
        expect_next_instance_of(Gitlab::Checks::PushCheck) do |instance|
          expect(instance).to receive(:validate!)
        end

        subject.validate!
      end

      it 'calls branches checks' do
        expect_next_instance_of(Gitlab::Checks::BranchCheck) do |instance|
          expect(instance).to receive(:validate!)
        end

        subject.validate!
      end

      it 'calls tags checks' do
        expect_next_instance_of(Gitlab::Checks::TagCheck) do |instance|
          expect(instance).to receive(:validate!)
        end

        subject.validate!
      end

      it 'calls diff checks' do
        expect_next_instance_of(Gitlab::Checks::DiffCheck) do |instance|
          expect(instance).to receive(:validate!)
        end

        subject.validate!
      end
    end

    context 'when time limit was reached' do
      it 'raises a TimeoutError' do
        logger = Gitlab::Checks::TimedLogger.new(start_time: timeout.ago, timeout: timeout)
        access = described_class.new(changes,
                                     project: project,
                                     user_access: user_access,
                                     protocol: protocol,
                                     logger: logger)

        expect { access.validate! }.to raise_error(Gitlab::Checks::TimedLogger::TimeoutError)
      end
    end

    describe '#commits' do
      let(:expected_commits) { [Gitlab::Git::Commit.new(project.repository, { id: "1234" })] }

      let(:access) do
        described_class.new(changes,
                            project: project,
                            user_access: user_access,
                            protocol: protocol,
                            logger: logger,
                            commits: provided_commits)
      end

      shared_examples '#commits' do
        it 'returns expected commits' do
          expect(access.commits).to eq(expected_commits)
        end

        it 'returns expected commits on repeated calls' do
          expect(access.commits).to eq(expected_commits)
          expect(access.commits).to eq(expected_commits)
        end
      end

      context 'with provided commits' do
        let(:provided_commits) { expected_commits }

        before do
          expect(project.repository).not_to receive(:new_commits)
        end

        it_behaves_like '#commits'
      end

      context 'without provided commits' do
        let(:provided_commits) { nil }

        before do
          expect(project.repository)
            .to receive(:new_commits)
            .once
            .and_return(expected_commits)
        end

        it_behaves_like '#commits'
      end
    end
  end
end