require 'spec_helper'

describe Gitlab::Git::RemoteRepository, seed_helper: true do
  let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '') }
  subject { described_class.new(repository) }

  describe '#empty?' do
    using RSpec::Parameterized::TableSyntax

    where(:repository, :result) do
      Gitlab::Git::Repository.new('default', TEST_REPO_PATH, '')       | false
      Gitlab::Git::Repository.new('default', 'does-not-exist.git', '') | true
    end

    with_them do
      it { expect(subject.empty?).to eq(result) }
    end
  end

  describe '#commit_id' do
    it 'returns an OID if the revision exists' do
      expect(subject.commit_id('v1.0.0')).to eq('6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
    end

    it 'is nil when the revision does not exist' do
      expect(subject.commit_id('does-not-exist')).to be_nil
    end
  end

  describe '#branch_exists?' do
    using RSpec::Parameterized::TableSyntax

    where(:branch, :result) do
      'master'         | true
      'does-not-exist' | false
    end

    with_them do
      it { expect(subject.branch_exists?(branch)).to eq(result) }
    end
  end

  describe '#same_repository?' do
    using RSpec::Parameterized::TableSyntax

    where(:other_repository, :result) do
      repository                                                                     | true
      Gitlab::Git::Repository.new(repository.storage, repository.relative_path, '')  | true
      Gitlab::Git::Repository.new('broken', TEST_REPO_PATH, '')                      | false
      Gitlab::Git::Repository.new(repository.storage, 'wrong/relative-path.git', '') | false
      Gitlab::Git::Repository.new('broken', 'wrong/relative-path.git', '')           | false
    end

    with_them do
      it { expect(subject.same_repository?(other_repository)).to eq(result) }
    end
  end

  describe '#fetch_env' do
    let(:remote_repository) { described_class.new(repository) }

    let(:gitaly_client) { double(:gitaly_client) }
    let(:address) { 'fake-address' }
    let(:token) { 'fake-token' }

    subject { remote_repository.fetch_env }

    before do
      allow(remote_repository).to receive(:gitaly_client).and_return(gitaly_client)

      expect(gitaly_client).to receive(:address).with(repository.storage).and_return(address)
      expect(gitaly_client).to receive(:token).with(repository.storage).and_return(token)
    end

    it { expect(subject).to be_a(Hash) }
    it { expect(subject['GITALY_ADDRESS']).to eq(address) }
    it { expect(subject['GITALY_TOKEN']).to eq(token) }
    it { expect(subject['GITALY_WD']).to eq(Dir.pwd) }

    it 'creates a plausible GIT_SSH_COMMAND' do
      git_ssh_command = subject['GIT_SSH_COMMAND']

      expect(git_ssh_command).to start_with('/')
      expect(git_ssh_command).to end_with('/gitaly-ssh upload-pack')
    end

    it 'creates a plausible GITALY_PAYLOAD' do
      req = Gitaly::SSHUploadPackRequest.decode_json(subject['GITALY_PAYLOAD'])

      expect(remote_repository.gitaly_repository).to eq(req.repository)
    end

    context 'when the token is blank' do
      let(:token) { '' }

      it { expect(subject.keys).not_to include('GITALY_TOKEN') }
    end
  end
end