require 'spec_helper'

describe Gitlab::GitalyClient::RefService do
  let(:project) { create(:project, :repository) }
  let(:storage_name) { project.repository_storage }
  let(:relative_path) { project.disk_path + '.git' }
  let(:repository) { project.repository }
  let(:client) { described_class.new(repository) }

  describe '#branches' do
    it 'sends a find_all_branches message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_all_branches)
        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
        .and_return([])

      client.branches
    end
  end

  describe '#branch_names' do
    it 'sends a find_all_branch_names message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_all_branch_names)
        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
        .and_return([])

      client.branch_names
    end
  end

  describe '#tag_names' do
    it 'sends a find_all_tag_names message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_all_tag_names)
        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
        .and_return([])

      client.tag_names
    end
  end

  describe '#default_branch_name' do
    it 'sends a find_default_branch_name message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_default_branch_name)
        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
        .and_return(double(name: 'foo'))

      client.default_branch_name
    end
  end

  describe '#local_branches' do
    it 'sends a find_local_branches message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_local_branches)
        .with(gitaly_request_with_path(storage_name, relative_path), kind_of(Hash))
        .and_return([])

      client.local_branches
    end

    it 'parses and sends the sort parameter' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_local_branches)
        .with(gitaly_request_with_params(sort_by: :UPDATED_DESC), kind_of(Hash))
        .and_return([])

      client.local_branches(sort_by: 'updated_desc')
    end

    it 'translates known mismatches on sort param values' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:find_local_branches)
        .with(gitaly_request_with_params(sort_by: :NAME), kind_of(Hash))
        .and_return([])

      client.local_branches(sort_by: 'name_asc')
    end

    it 'raises an argument error if an invalid sort_by parameter is passed' do
      expect { client.local_branches(sort_by: 'invalid_sort') }.to raise_error(ArgumentError)
    end
  end

  describe '#find_ref_name', :seed_helper do
    subject { client.find_ref_name(SeedRepo::Commit::ID, 'refs/heads/master') }

    it { is_expected.to be_utf8 }
    it { is_expected.to eq('refs/heads/master') }
  end

  describe '#ref_exists?', :seed_helper do
    it 'finds the master branch ref' do
      expect(client.ref_exists?('refs/heads/master')).to eq(true)
    end

    it 'returns false for an illegal tag name ref' do
      expect(client.ref_exists?('refs/tags/.this-tag-name-is-illegal')).to eq(false)
    end

    it 'raises an argument error if the ref name parameter does not start with refs/' do
      expect { client.ref_exists?('reXXXXX') }.to raise_error(ArgumentError)
    end
  end

  describe '#delete_refs' do
    let(:prefixes) { %w(refs/heads refs/keep-around) }

    it 'sends a delete_refs message' do
      expect_any_instance_of(Gitaly::RefService::Stub)
        .to receive(:delete_refs)
        .with(gitaly_request_with_params(except_with_prefix: prefixes), kind_of(Hash))
        .and_return(double('delete_refs_response', git_error: ""))

      client.delete_refs(except_with_prefixes: prefixes)
    end
  end
end