BigW Consortium Gitlab

repository_spec.rb 49.5 KB
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require 'spec_helper'

Douwe Maan committed
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describe Repository, models: true do
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  include RepoHelpers
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  TestBlob = Struct.new(:name)
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  let(:project) { create(:project) }
  let(:repository) { project.repository }
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  let(:user) { create(:user) }
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  let(:commit_options) do
    author = repository.user_to_committer(user)
    { message: 'Test message', committer: author, author: author }
  end
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  let(:merge_commit) do
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    merge_request = create(:merge_request, source_branch: 'feature', target_branch: 'master', source_project: project)
    merge_commit_id = repository.merge(user, merge_request, commit_options)
    repository.commit(merge_commit_id)
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  end
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  let(:author_email) { FFaker::Internet.email }

  # I have to remove periods from the end of the name
  # This happened when the user's name had a suffix (i.e. "Sr.")
  # This seems to be what git does under the hood. For example, this commit:
  #
  # $ git commit --author='Foo Sr. <foo@example.com>' -m 'Where's my trailing period?'
  #
  # results in this:
  #
  # $ git show --pretty
  # ...
  # Author: Foo Sr <foo@example.com>
  # ...
  let(:author_name) { FFaker::Name.name.chomp("\.") }
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  describe '#branch_names_contains' do
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    subject { repository.branch_names_contains(sample_commit.id) }

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    it { is_expected.to include('master') }
    it { is_expected.not_to include('feature') }
    it { is_expected.not_to include('fix') }
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  end
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  describe '#tag_names_contains' do
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    subject { repository.tag_names_contains(sample_commit.id) }
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    it { is_expected.to include('v1.1.0') }
    it { is_expected.not_to include('v1.0.0') }
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  end

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  describe 'tags_sorted_by' do
    context 'name' do
      subject { repository.tags_sorted_by('name').map(&:name) }

      it { is_expected.to eq(['v1.1.0', 'v1.0.0']) }
    end

    context 'updated' do
      let(:tag_a) { repository.find_tag('v1.0.0') }
      let(:tag_b) { repository.find_tag('v1.1.0') }

      context 'desc' do
        subject { repository.tags_sorted_by('updated_desc').map(&:name) }

        before do
          double_first = double(committed_date: Time.now)
          double_last = double(committed_date: Time.now - 1.second)

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          allow(tag_a).to receive(:dereferenced_target).and_return(double_first)
          allow(tag_b).to receive(:dereferenced_target).and_return(double_last)
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          allow(repository).to receive(:tags).and_return([tag_a, tag_b])
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        end

        it { is_expected.to eq(['v1.0.0', 'v1.1.0']) }
      end

      context 'asc' do
        subject { repository.tags_sorted_by('updated_asc').map(&:name) }

        before do
          double_first = double(committed_date: Time.now - 1.second)
          double_last = double(committed_date: Time.now)

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          allow(tag_a).to receive(:dereferenced_target).and_return(double_last)
          allow(tag_b).to receive(:dereferenced_target).and_return(double_first)
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          allow(repository).to receive(:tags).and_return([tag_a, tag_b])
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        end

        it { is_expected.to eq(['v1.1.0', 'v1.0.0']) }
      end
    end
  end

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  describe '#ref_name_for_sha' do
    context 'ref found' do
      it 'returns the ref' do
        allow_any_instance_of(Gitlab::Popen).to receive(:popen).
          and_return(["b8d95eb4969eefacb0a58f6a28f6803f8070e7b9 commit\trefs/environments/production/77\n", 0])

        expect(repository.ref_name_for_sha('bla', '0' * 40)).to eq 'refs/environments/production/77'
      end
    end

    context 'ref not found' do
      it 'returns nil' do
        allow_any_instance_of(Gitlab::Popen).to receive(:popen).
          and_return(["", 0])

        expect(repository.ref_name_for_sha('bla', '0' * 40)).to eq nil
      end
    end
  end

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  describe '#ref_exists?' do
    context 'when ref exists' do
      it 'returns true' do
        expect(repository.ref_exists?('refs/heads/master')).to be true
      end
    end

    context 'when ref does not exist' do
      it 'returns false' do
        expect(repository.ref_exists?('refs/heads/non-existent')).to be false
      end
    end

    context 'when ref format is incorrect' do
      it 'returns false' do
        expect(repository.ref_exists?('refs/heads/invalid:master')).to be false
      end
    end
  end

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  describe '#last_commit_for_path' do
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    subject { repository.last_commit_for_path(sample_commit.id, '.gitignore').id }
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    it { is_expected.to eq('c1acaa58bbcbc3eafe538cb8274ba387047b69f8') }
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  end
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  describe '#find_commits_by_message' do
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    it 'returns commits with messages containing a given string' do
      commit_ids = repository.find_commits_by_message('submodule').map(&:id)
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      expect(commit_ids).to include('5937ac0a7beb003549fc5fd26fc247adbce4a52e')
      expect(commit_ids).to include('6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
      expect(commit_ids).to include('cfe32cf61b73a0d5e9f13e774abde7ff789b1660')
      expect(commit_ids).not_to include('913c66a37b4a45b9769037c55c2d238bd0942d2e')
    end

    it 'is case insensitive' do
      commit_ids = repository.find_commits_by_message('SUBMODULE').map(&:id)

      expect(commit_ids).to include('5937ac0a7beb003549fc5fd26fc247adbce4a52e')
    end
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  end

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  describe '#blob_at' do
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    context 'blank sha' do
      subject { repository.blob_at(Gitlab::Git::BLANK_SHA, '.gitignore') }

      it { is_expected.to be_nil }
    end
  end
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  describe '#merged_to_root_ref?' do
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    context 'merged branch without ff' do
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      subject { repository.merged_to_root_ref?('branch-merged') }
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      it { is_expected.to be_truthy }
    end
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    # If the HEAD was ff then it will be false
    context 'merged with ff' do
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      subject { repository.merged_to_root_ref?('improve/awesome') }

      it { is_expected.to be_truthy }
    end
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    context 'not merged branch' do
      subject { repository.merged_to_root_ref?('not-merged-branch') }

      it { is_expected.to be_falsey }
    end
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    context 'default branch' do
      subject { repository.merged_to_root_ref?('master') }

      it { is_expected.to be_falsey }
    end
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  end

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  describe '#can_be_merged?' do
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    context 'mergeable branches' do
      subject { repository.can_be_merged?('0b4bc9a49b562e85de7cc9e834518ea6828729b9', 'master') }

      it { is_expected.to be_truthy }
    end

    context 'non-mergeable branches' do
      subject { repository.can_be_merged?('bb5206fee213d983da88c47f9cf4cc6caf9c66dc', 'feature') }

      it { is_expected.to be_falsey }
    end
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    context 'non merged branch' do
      subject { repository.merged_to_root_ref?('fix') }

      it { is_expected.to be_falsey }
    end

    context 'non existent branch' do
      subject { repository.merged_to_root_ref?('non_existent_branch') }

      it { is_expected.to be_nil }
    end
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  end

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  describe '#commit' do
    context 'when ref exists' do
      it 'returns commit object' do
        expect(repository.commit('master'))
          .to be_an_instance_of Commit
      end
    end

    context 'when ref does not exist' do
      it 'returns nil' do
        expect(repository.commit('non-existent-ref')).to be_nil
      end
    end

    context 'when ref is not valid' do
      context 'when preceding tree element exists' do
        it 'returns nil' do
          expect(repository.commit('master:ref')).to be_nil
        end
      end

      context 'when preceding tree element does not exist' do
        it 'returns nil' do
          expect(repository.commit('non-existent:ref')).to be_nil
        end
      end
    end
  end

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  describe "#commit_dir" do
    it "commits a change that creates a new directory" do
      expect do
        repository.commit_dir(user, 'newdir', 'Create newdir', 'master')
      end.to change { repository.commits('master').count }.by(1)

      newdir = repository.tree('master', 'newdir')
      expect(newdir.path).to eq('newdir')
    end

    context "when an author is specified" do
      it "uses the given email/name to set the commit's author" do
        expect do
          repository.commit_dir(user, "newdir", "Add newdir", 'master', author_email: author_email, author_name: author_name)
        end.to change { repository.commits('master').count }.by(1)

        last_commit = repository.commit

        expect(last_commit.author_email).to eq(author_email)
        expect(last_commit.author_name).to eq(author_name)
      end
    end
  end

  describe "#commit_file" do
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    it 'commits change to a file successfully' do
      expect do
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        repository.commit_file(user, 'CHANGELOG', 'Changelog!',
                              'Updates file content',
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                              'master', true)
      end.to change { repository.commits('master').count }.by(1)

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      blob = repository.blob_at('master', 'CHANGELOG')
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      expect(blob.data).to eq('Changelog!')
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    end
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    context "when an author is specified" do
      it "uses the given email/name to set the commit's author" do
        expect do
          repository.commit_file(user, "README", 'README!', 'Add README',
                                'master', true, author_email: author_email, author_name: author_name)
        end.to change { repository.commits('master').count }.by(1)

        last_commit = repository.commit

        expect(last_commit.author_email).to eq(author_email)
        expect(last_commit.author_name).to eq(author_name)
      end
    end
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  end

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  describe "#update_file" do
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    it 'updates filename successfully' do
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      expect do
        repository.update_file(user, 'NEWLICENSE', 'Copyright!',
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                                     branch: 'master',
                                     previous_path: 'LICENSE',
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                                     message: 'Changes filename')
      end.to change { repository.commits('master').count }.by(1)
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      files = repository.ls_files('master')

      expect(files).not_to include('LICENSE')
      expect(files).to include('NEWLICENSE')
    end
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    context "when an author is specified" do
      it "uses the given email/name to set the commit's author" do
        repository.commit_file(user, "README", 'README!', 'Add README', 'master', true)

        expect do
          repository.update_file(user, 'README', "Updated README!",
                                branch: 'master',
                                previous_path: 'README',
                                message: 'Update README',
                                author_email: author_email,
                                author_name: author_name)
        end.to change { repository.commits('master').count }.by(1)

        last_commit = repository.commit

        expect(last_commit.author_email).to eq(author_email)
        expect(last_commit.author_name).to eq(author_name)
      end
    end
  end

  describe "#remove_file" do
    it 'removes file successfully' do
      repository.commit_file(user, "README", 'README!', 'Add README', 'master', true)

      expect do
        repository.remove_file(user, "README", "Remove README", 'master')
      end.to change { repository.commits('master').count }.by(1)

      expect(repository.blob_at('master', 'README')).to be_nil
    end

    context "when an author is specified" do
      it "uses the given email/name to set the commit's author" do
        repository.commit_file(user, "README", 'README!', 'Add README', 'master', true)

        expect do
          repository.remove_file(user, "README", "Remove README", 'master', author_email: author_email, author_name: author_name)
        end.to change { repository.commits('master').count }.by(1)

        last_commit = repository.commit

        expect(last_commit.author_email).to eq(author_email)
        expect(last_commit.author_name).to eq(author_name)
      end
    end
  end

  describe '#get_committer_and_author' do
    it 'returns the committer and author data' do
      options = repository.get_committer_and_author(user)
      expect(options[:committer][:email]).to eq(user.email)
      expect(options[:author][:email]).to eq(user.email)
    end

    context 'when the email/name are given' do
      it 'returns an object containing the email/name' do
        options = repository.get_committer_and_author(user, email: author_email, name: author_name)
        expect(options[:author][:email]).to eq(author_email)
        expect(options[:author][:name]).to eq(author_name)
      end
    end

    context 'when the email is given but the name is not' do
      it 'returns the committer as the author' do
        options = repository.get_committer_and_author(user, email: author_email)
        expect(options[:author][:email]).to eq(user.email)
        expect(options[:author][:name]).to eq(user.name)
      end
    end

    context 'when the name is given but the email is not' do
      it 'returns nil' do
        options = repository.get_committer_and_author(user, name: author_name)
        expect(options[:author][:email]).to eq(user.email)
        expect(options[:author][:name]).to eq(user.name)
      end
    end
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  end

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  describe "search_files_by_content" do
    let(:results) { repository.search_files_by_content('feature', 'master') }
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    subject { results }

    it { is_expected.to be_an Array }

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    it 'regex-escapes the query string' do
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      results = repository.search_files_by_content("test\\", 'master')
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      expect(results.first).not_to start_with('fatal:')
    end

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    it 'properly handles an unmatched parenthesis' do
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      results = repository.search_files_by_content("test(", 'master')
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      expect(results.first).not_to start_with('fatal:')
    end

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    it 'properly handles when query is not present' do
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      results = repository.search_files_by_content('', 'master')
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      expect(results).to match_array([])
    end

    it 'properly handles query when repo is empty' do
      repository = create(:empty_project).repository
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      results = repository.search_files_by_content('test', 'master')
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      expect(results).to match_array([])
    end

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    describe 'result' do
      subject { results.first }

      it { is_expected.to be_an String }
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      it { expect(subject.lines[2]).to eq("master:CHANGELOG:190:  - Feature: Replace teams with group membership\n") }
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    end
  end
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  describe "search_files_by_name" do
    let(:results) { repository.search_files_by_name('files', 'master') }

    it 'returns result' do
      expect(results.first).to eq('files/html/500.html')
    end

    it 'properly handles when query is not present' do
      results = repository.search_files_by_name('', 'master')

      expect(results).to match_array([])
    end

    it 'properly handles query when repo is empty' do
      repository = create(:empty_project).repository

      results = repository.search_files_by_name('test', 'master')

      expect(results).to match_array([])
    end
  end

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  describe '#create_ref' do
    it 'redirects the call to fetch_ref' do
      ref, ref_path = '1', '2'

      expect(repository).to receive(:fetch_ref).with(repository.path_to_repo, ref, ref_path)

      repository.create_ref(ref, ref_path)
    end
  end

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  describe "#changelog", caching: true do
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    it 'accepts changelog' do
      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('changelog')])

      expect(repository.changelog.name).to eq('changelog')
    end

    it 'accepts news instead of changelog' do
      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('news')])

      expect(repository.changelog.name).to eq('news')
    end

    it 'accepts history instead of changelog' do
      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('history')])

      expect(repository.changelog.name).to eq('history')
    end

    it 'accepts changes instead of changelog' do
      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('changes')])

      expect(repository.changelog.name).to eq('changes')
    end

    it 'is case-insensitive' do
      expect(repository.tree).to receive(:blobs).and_return([TestBlob.new('CHANGELOG')])

      expect(repository.changelog.name).to eq('CHANGELOG')
    end
  end

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  describe "#license_blob", caching: true do
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    before do
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      repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'master')
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    end

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    it 'handles when HEAD points to non-existent ref' do
      repository.commit_file(user, 'LICENSE', 'Copyright!', 'Add LICENSE', 'master', false)
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      allow(repository).to receive(:file_on_head).
        and_raise(Rugged::ReferenceError)
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      expect(repository.license_blob).to be_nil
    end

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    it 'looks in the root_ref only' do
      repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'markdown')
      repository.commit_file(user, 'LICENSE', Licensee::License.new('mit').content, 'Add LICENSE', 'markdown', false)

      expect(repository.license_blob).to be_nil
    end

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    it 'detects license file with no recognizable open-source license content' do
      repository.commit_file(user, 'LICENSE', 'Copyright!', 'Add LICENSE', 'master', false)
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      expect(repository.license_blob.name).to eq('LICENSE')
    end

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    %w[LICENSE LICENCE LiCensE LICENSE.md LICENSE.foo COPYING COPYING.md].each do |filename|
      it "detects '#{filename}'" do
        repository.commit_file(user, filename, Licensee::License.new('mit').content, "Add #{filename}", 'master', false)
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        expect(repository.license_blob.name).to eq(filename)
      end
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    end
  end

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  describe '#license_key', caching: true do
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    before do
      repository.remove_file(user, 'LICENSE', 'Remove LICENSE', 'master')
    end
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    it 'returns nil when no license is detected' do
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      expect(repository.license_key).to be_nil
    end

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    it 'returns nil when the repository does not exist' do
      expect(repository).to receive(:exists?).and_return(false)

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      expect(repository.license_key).to be_nil
    end

    it 'detects license file with no recognizable open-source license content' do
      repository.commit_file(user, 'LICENSE', 'Copyright!', 'Add LICENSE', 'master', false)

      expect(repository.license_key).to be_nil
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    end
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    it 'returns the license key' do
      repository.commit_file(user, 'LICENSE', Licensee::License.new('mit').content, 'Add LICENSE', 'master', false)
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      expect(repository.license_key).to eq('mit')
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    end
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  end
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  describe "#gitlab_ci_yml", caching: true do
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    it 'returns valid file' do
      files = [TestBlob.new('file'), TestBlob.new('.gitlab-ci.yml'), TestBlob.new('copying')]
      expect(repository.tree).to receive(:blobs).and_return(files)

      expect(repository.gitlab_ci_yml.name).to eq('.gitlab-ci.yml')
    end

    it 'returns nil if not exists' do
      expect(repository.tree).to receive(:blobs).and_return([])
      expect(repository.gitlab_ci_yml).to be_nil
    end

    it 'returns nil for empty repository' do
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      allow(repository).to receive(:file_on_head).and_raise(Rugged::ReferenceError)
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      expect(repository.gitlab_ci_yml).to be_nil
    end
  end

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  describe '#add_branch' do
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    context 'when pre hooks were successful' do
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      it 'runs without errors' do
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        hook = double(trigger: [true, nil])
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        expect(Gitlab::Git::Hook).to receive(:new).exactly(3).times.and_return(hook)
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        expect { repository.add_branch(user, 'new_feature', 'master') }.not_to raise_error
      end

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      it 'creates the branch' do
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        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
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        branch = repository.add_branch(user, 'new_feature', 'master')

        expect(branch.name).to eq('new_feature')
      end
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      it 'calls the after_create_branch hook' do
        expect(repository).to receive(:after_create_branch)

        repository.add_branch(user, 'new_feature', 'master')
      end
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    end

    context 'when pre hooks failed' do
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      it 'gets an error' do
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        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
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        expect do
          repository.add_branch(user, 'new_feature', 'master')
        end.to raise_error(GitHooksService::PreReceiveError)
      end

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      it 'does not create the branch' do
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        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
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        expect do
          repository.add_branch(user, 'new_feature', 'master')
        end.to raise_error(GitHooksService::PreReceiveError)
        expect(repository.find_branch('new_feature')).to be_nil
      end
    end
  end

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  describe '#find_branch' do
    it 'loads a branch with a fresh repo' do
      expect(Gitlab::Git::Repository).to receive(:new).twice.and_call_original

      2.times do
        expect(repository.find_branch('feature')).not_to be_nil
      end
    end

    it 'loads a branch with a cached repo' do
      expect(Gitlab::Git::Repository).to receive(:new).once.and_call_original

      2.times do
        expect(repository.find_branch('feature', fresh_repo: false)).not_to be_nil
      end
    end
  end

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  describe '#rm_branch' do
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    let(:old_rev) { '0b4bc9a49b562e85de7cc9e834518ea6828729b9' } # git rev-parse feature
    let(:blank_sha) { '0000000000000000000000000000000000000000' }

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    context 'when pre hooks were successful' do
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      it 'runs without errors' do
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        expect_any_instance_of(GitHooksService).to receive(:execute).
          with(user, project.repository.path_to_repo, old_rev, blank_sha, 'refs/heads/feature')
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        expect { repository.rm_branch(user, 'feature') }.not_to raise_error
      end

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      it 'deletes the branch' do
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        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, nil])
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        expect { repository.rm_branch(user, 'feature') }.not_to raise_error

        expect(repository.find_branch('feature')).to be_nil
      end
    end

    context 'when pre hooks failed' do
666
      it 'gets an error' do
667
        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
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        expect do
          repository.rm_branch(user, 'new_feature')
        end.to raise_error(GitHooksService::PreReceiveError)
      end

674
      it 'does not delete the branch' do
675
        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
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        expect do
          repository.rm_branch(user, 'feature')
        end.to raise_error(GitHooksService::PreReceiveError)
        expect(repository.find_branch('feature')).not_to be_nil
      end
    end
  end

685
  describe '#update_branch_with_hooks' do
686
    let(:old_rev) { '0b4bc9a49b562e85de7cc9e834518ea6828729b9' } # git rev-parse feature
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    let(:new_rev) { 'a74ae73c1ccde9b974a70e82b901588071dc142a' } # commit whose parent is old_rev
688

689
    context 'when pre hooks were successful' do
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      before do
        expect_any_instance_of(GitHooksService).to receive(:execute).
692
          with(user, repository.path_to_repo, old_rev, new_rev, 'refs/heads/feature').
693
          and_yield.and_return(true)
694
      end
695

696
      it 'runs without errors' do
697
        expect do
698
          repository.update_branch_with_hooks(user, 'feature') { new_rev }
699 700
        end.not_to raise_error
      end
701

702
      it 'ensures the autocrlf Git option is set to :input' do
703 704
        expect(repository).to receive(:update_autocrlf_option)

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        repository.update_branch_with_hooks(user, 'feature') { new_rev }
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      end
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      context "when the branch wasn't empty" do
        it 'updates the head' do
710
          expect(repository.find_branch('feature').dereferenced_target.id).to eq(old_rev)
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          repository.update_branch_with_hooks(user, 'feature') { new_rev }
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          expect(repository.find_branch('feature').dereferenced_target.id).to eq(new_rev)
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        end
      end
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    end

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    context 'when the update adds more than one commit' do
      it 'runs without errors' do
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        old_rev = '33f3729a45c02fc67d00adb1b8bca394b0e761d9'

        # old_rev is an ancestor of new_rev
        expect(repository.rugged.merge_base(old_rev, new_rev)).to eq(old_rev)

        # old_rev is not a direct ancestor (parent) of new_rev
        expect(repository.rugged.lookup(new_rev).parent_ids).not_to include(old_rev)

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        branch = 'feature-ff-target'
        repository.add_branch(user, branch, old_rev)

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        expect { repository.update_branch_with_hooks(user, branch) { new_rev } }.not_to raise_error
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      end
    end

    context 'when the update would remove commits from the target branch' do
      it 'raises an exception' do
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        branch = 'master'
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        old_rev = repository.find_branch(branch).dereferenced_target.sha
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        # The 'master' branch is NOT an ancestor of new_rev.
        expect(repository.rugged.merge_base(old_rev, new_rev)).not_to eq(old_rev)

        # Updating 'master' to new_rev would lose the commits on 'master' that
        # are not contained in new_rev. This should not be allowed.
        expect do
          repository.update_branch_with_hooks(user, branch) { new_rev }
        end.to raise_error(Repository::CommitError)
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      end
    end

750
    context 'when pre hooks failed' do
751
      it 'gets an error' do
752
        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([false, ''])
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        expect do
755
          repository.update_branch_with_hooks(user, 'feature') { new_rev }
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        end.to raise_error(GitHooksService::PreReceiveError)
      end
    end
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    context 'when target branch is different from source branch' do
      before do
        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, ''])
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        allow(repository).to receive(:update_ref!)
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      end

      it 'expires branch cache' do
        expect(repository).not_to receive(:expire_exists_cache)
        expect(repository).not_to receive(:expire_root_ref_cache)
        expect(repository).not_to receive(:expire_emptiness_caches)
        expect(repository).to     receive(:expire_branches_cache)

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        repository.update_branch_with_hooks(user, 'new-feature') { new_rev }
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      end
    end

    context 'when repository is empty' do
      before do
        allow_any_instance_of(Gitlab::Git::Hook).to receive(:trigger).and_return([true, ''])
      end

      it 'expires creation and branch cache' do
        empty_repository = create(:empty_project, :empty_repo).repository

        expect(empty_repository).to receive(:expire_exists_cache)
        expect(empty_repository).to receive(:expire_root_ref_cache)
        expect(empty_repository).to receive(:expire_emptiness_caches)
        expect(empty_repository).to receive(:expire_branches_cache)

        empty_repository.commit_file(user, 'CHANGELOG', 'Changelog!',
                                     'Updates file content', 'master', false)
      end
    end
793
  end
794

795 796 797 798 799 800
  describe '#exists?' do
    it 'returns true when a repository exists' do
      expect(repository.exists?).to eq(true)
    end

    it 'returns false when a repository does not exist' do
801
      allow(repository).to receive(:refs_directory_exists?).and_return(false)
802 803 804

      expect(repository.exists?).to eq(false)
    end
805 806 807 808 809 810

    it 'returns false when there is no namespace' do
      allow(repository).to receive(:path_with_namespace).and_return(nil)

      expect(repository.exists?).to eq(false)
    end
811 812
  end

813 814 815 816 817
  describe '#has_visible_content?' do
    subject { repository.has_visible_content? }

    describe 'when there are no branches' do
      before do
818
        allow(repository).to receive(:branch_count).and_return(0)
819 820 821 822 823 824
      end

      it { is_expected.to eq(false) }
    end

    describe 'when there are branches' do
825
      it 'returns true' do
826
        expect(repository).to receive(:branch_count).and_return(3)
827 828 829 830 831 832

        expect(subject).to eq(true)
      end
    end
  end

833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851
  describe '#update_autocrlf_option' do
    describe 'when autocrlf is not already set to :input' do
      before do
        repository.raw_repository.autocrlf = true
      end

      it 'sets autocrlf to :input' do
        repository.update_autocrlf_option

        expect(repository.raw_repository.autocrlf).to eq(:input)
      end
    end

    describe 'when autocrlf is already set to :input' do
      before do
        repository.raw_repository.autocrlf = :input
      end

      it 'does nothing' do
852
        expect(repository.raw_repository).not_to receive(:autocrlf=).
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          with(:input)

        repository.update_autocrlf_option
      end
    end
  end

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  describe '#empty?' do
    let(:empty_repository) { create(:project_empty_repo).repository }

    it 'returns true for an empty repository' do
      expect(empty_repository.empty?).to eq(true)
    end

    it 'returns false for a non-empty repository' do
      expect(repository.empty?).to eq(false)
    end

    it 'caches the output' do
      expect(repository.raw_repository).to receive(:empty?).
        once.
        and_return(false)

      repository.empty?
      repository.empty?
    end
  end

  describe '#root_ref' do
    it 'returns a branch name' do
      expect(repository.root_ref).to be_an_instance_of(String)
    end

    it 'caches the output' do
      expect(repository.raw_repository).to receive(:root_ref).
        once.
        and_return('master')

      repository.root_ref
      repository.root_ref
    end
  end

  describe '#expire_root_ref_cache' do
    it 'expires the root reference cache' do
      repository.root_ref

      expect(repository.raw_repository).to receive(:root_ref).
        once.
        and_return('foo')

      repository.expire_root_ref_cache

      expect(repository.root_ref).to eq('foo')
    end
  end

910
  describe '#expire_branch_cache' do
911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936
    # This method is private but we need it for testing purposes. Sadly there's
    # no other proper way of testing caching operations.
    let(:cache) { repository.send(:cache) }

    it 'expires the cache for all branches' do
      expect(cache).to receive(:expire).
        at_least(repository.branches.length).
        times

      repository.expire_branch_cache
    end

    it 'expires the cache for all branches when the root branch is given' do
      expect(cache).to receive(:expire).
        at_least(repository.branches.length).
        times

      repository.expire_branch_cache(repository.root_ref)
    end

    it 'expires the cache for a specific branch' do
      expect(cache).to receive(:expire).once

      repository.expire_branch_cache('foo')
    end
  end
937

938 939 940
  describe '#expire_emptiness_caches' do
    let(:cache) { repository.send(:cache) }

941 942 943
    it 'expires the caches for an empty repository' do
      allow(repository).to receive(:empty?).and_return(true)

944 945 946 947
      expect(cache).to receive(:expire).with(:empty?)

      repository.expire_emptiness_caches
    end
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    it 'does not expire the cache for a non-empty repository' do
      allow(repository).to receive(:empty?).and_return(false)

      expect(cache).not_to receive(:expire).with(:empty?)

      repository.expire_emptiness_caches
    end
956 957
  end

958
  describe :skip_merged_commit do
959
    subject { repository.commits(Gitlab::Git::BRANCH_REF_PREFIX + "'test'", limit: 100, skip_merges: true).map{ |k| k.id } }
960 961 962

    it { is_expected.not_to include('e56497bb5f03a90a51293fc6d516788730953899') }
  end
963 964

  describe '#merge' do
965
    it 'merges the code and return the commit id' do
966 967
      expect(merge_commit).to be_present
      expect(repository.blob_at(merge_commit.id, 'files/ruby/feature.rb')).to be_present
968
    end
969 970 971 972 973 974 975 976

    it 'sets the `in_progress_merge_commit_sha` flag for the given merge request' do
      merge_request = create(:merge_request, source_branch: 'feature', target_branch: 'master', source_project: project)
      merge_commit_id = repository.merge(user, merge_request, commit_options)
      repository.commit(merge_commit_id)

      expect(merge_request.in_progress_merge_commit_sha).to eq(merge_commit_id)
    end
977 978
  end

979 980 981
  describe '#revert' do
    let(:new_image_commit) { repository.commit('33f3729a45c02fc67d00adb1b8bca394b0e761d9') }
    let(:update_image_commit) { repository.commit('2f63565e7aac07bcdadb654e253078b727143ec4') }
982

983
    context 'when there is a conflict' do
984
      it 'aborts the operation' do
985 986 987 988 989
        expect(repository.revert(user, new_image_commit, 'master')).to eq(false)
      end
    end

    context 'when commit was already reverted' do
990
      it 'aborts the operation' do
991 992 993 994 995 996 997
        repository.revert(user, update_image_commit, 'master')

        expect(repository.revert(user, update_image_commit, 'master')).to eq(false)
      end
    end

    context 'when commit can be reverted' do
998
      it 'reverts the changes' do
999 1000 1001 1002 1003
        expect(repository.revert(user, update_image_commit, 'master')).to be_truthy
      end
    end

    context 'reverting a merge commit' do
1004
      it 'reverts the changes' do
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        merge_commit
        expect(repository.blob_at_branch('master', 'files/ruby/feature.rb')).to be_present

        repository.revert(user, merge_commit, 'master')
        expect(repository.blob_at_branch('master', 'files/ruby/feature.rb')).not_to be_present
      end
1011 1012
    end
  end
1013

1014 1015 1016 1017 1018 1019
  describe '#cherry_pick' do
    let(:conflict_commit) { repository.commit('c642fe9b8b9f28f9225d7ea953fe14e74748d53b') }
    let(:pickable_commit) { repository.commit('7d3b0f7cff5f37573aea97cebfd5692ea1689924') }
    let(:pickable_merge) { repository.commit('e56497bb5f03a90a51293fc6d516788730953899') }

    context 'when there is a conflict' do
1020
      it 'aborts the operation' do
1021 1022 1023 1024 1025
        expect(repository.cherry_pick(user, conflict_commit, 'master')).to eq(false)
      end
    end

    context 'when commit was already cherry-picked' do
1026
      it 'aborts the operation' do
1027 1028 1029 1030 1031 1032 1033
        repository.cherry_pick(user, pickable_commit, 'master')

        expect(repository.cherry_pick(user, pickable_commit, 'master')).to eq(false)
      end
    end

    context 'when commit can be cherry-picked' do
1034
      it 'cherry-picks the changes' do
1035 1036 1037 1038 1039
        expect(repository.cherry_pick(user, pickable_commit, 'master')).to be_truthy
      end
    end

    context 'cherry-picking a merge commit' do
1040
      it 'cherry-picks the changes' do
1041
        expect(repository.blob_at_branch('improve/awesome', 'foo/bar/.gitkeep')).to be_nil
1042

1043 1044
        repository.cherry_pick(user, pickable_merge, 'improve/awesome')
        expect(repository.blob_at_branch('improve/awesome', 'foo/bar/.gitkeep')).not_to be_nil
1045 1046 1047 1048
      end
    end
  end

1049 1050 1051 1052 1053 1054 1055
  describe '#before_delete' do
    describe 'when a repository does not exist' do
      before do
        allow(repository).to receive(:exists?).and_return(false)
      end

      it 'does not flush caches that depend on repository data' do
1056
        expect(repository).not_to receive(:expire_cache)
1057 1058 1059 1060

        repository.before_delete
      end

1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
      it 'flushes the tags cache' do
        expect(repository).to receive(:expire_tags_cache)

        repository.before_delete
      end

      it 'flushes the branches cache' do
        expect(repository).to receive(:expire_branches_cache)

        repository.before_delete
      end

1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083
      it 'flushes the root ref cache' do
        expect(repository).to receive(:expire_root_ref_cache)

        repository.before_delete
      end

      it 'flushes the emptiness caches' do
        expect(repository).to receive(:expire_emptiness_caches)

        repository.before_delete
      end
1084 1085

      it 'flushes the exists cache' do
1086
        expect(repository).to receive(:expire_exists_cache).twice
1087 1088 1089

        repository.before_delete
      end
1090 1091 1092 1093 1094 1095 1096
    end

    describe 'when a repository exists' do
      before do
        allow(repository).to receive(:exists?).and_return(true)
      end

1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
      it 'flushes the tags cache' do
        expect(repository).to receive(:expire_tags_cache)

        repository.before_delete
      end

      it 'flushes the branches cache' do
        expect(repository).to receive(:expire_branches_cache)

        repository.before_delete
      end

1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
      it 'flushes the root ref cache' do
        expect(repository).to receive(:expire_root_ref_cache)

        repository.before_delete
      end

      it 'flushes the emptiness caches' do
        expect(repository).to receive(:expire_emptiness_caches)

        repository.before_delete
      end
    end
  end

  describe '#before_change_head' do
    it 'flushes the branch cache' do
      expect(repository).to receive(:expire_branch_cache)

      repository.before_change_head
    end

    it 'flushes the root ref cache' do
      expect(repository).to receive(:expire_root_ref_cache)

      repository.before_change_head
    end
  end

1137
  describe '#before_push_tag' do
1138
    it 'flushes the cache' do
1139 1140 1141
      expect(repository).to receive(:expire_statistics_caches)
      expect(repository).to receive(:expire_emptiness_caches)
      expect(repository).to receive(:expire_tags_cache)
1142

1143
      repository.before_push_tag
1144 1145 1146
    end
  end

1147
  describe '#before_import' do
1148 1149
    it 'flushes the repository caches' do
      expect(repository).to receive(:expire_content_cache)
1150 1151 1152 1153 1154

      repository.before_import
    end
  end

1155
  describe '#after_import' do
1156 1157
    it 'flushes and builds the cache' do
      expect(repository).to receive(:expire_content_cache)
1158 1159
      expect(repository).to receive(:expire_tags_cache)
      expect(repository).to receive(:expire_branches_cache)
1160 1161 1162

      repository.after_import
    end
1163 1164 1165
  end

  describe '#after_push_commit' do
1166 1167 1168 1169 1170 1171 1172
    it 'expires statistics caches' do
      expect(repository).to receive(:expire_statistics_caches).
        and_call_original

      expect(repository).to receive(:expire_branch_cache).
        with('master').
        and_call_original
1173

1174
      repository.after_push_commit('master')
1175 1176 1177 1178
    end
  end

  describe '#after_create_branch' do
1179
    it 'expires the branch caches' do
1180
      expect(repository).to receive(:expire_branches_cache)
1181 1182 1183 1184 1185 1186

      repository.after_create_branch
    end
  end

  describe '#after_remove_branch' do
1187
    it 'expires the branch caches' do
1188
      expect(repository).to receive(:expire_branches_cache)
1189 1190 1191 1192

      repository.after_remove_branch
    end
  end
1193

1194 1195 1196 1197 1198 1199
  describe '#after_create' do
    it 'flushes the exists cache' do
      expect(repository).to receive(:expire_exists_cache)

      repository.after_create
    end
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211

    it 'flushes the root ref cache' do
      expect(repository).to receive(:expire_root_ref_cache)

      repository.after_create
    end

    it 'flushes the emptiness caches' do
      expect(repository).to receive(:expire_emptiness_caches)

      repository.after_create
    end
1212 1213
  end

1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
  describe "#copy_gitattributes" do
    it 'returns true with a valid ref' do
      expect(repository.copy_gitattributes('master')).to be_truthy
    end

    it 'returns false with an invalid ref' do
      expect(repository.copy_gitattributes('invalid')).to be_falsey
    end
  end

1224 1225
  describe '#before_remove_tag' do
    it 'flushes the tag cache' do
1226 1227
      expect(repository).to receive(:expire_tags_cache).and_call_original
      expect(repository).to receive(:expire_statistics_caches).and_call_original
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244

      repository.before_remove_tag
    end
  end

  describe '#branch_count' do
    it 'returns the number of branches' do
      expect(repository.branch_count).to be_an_instance_of(Fixnum)
    end
  end

  describe '#tag_count' do
    it 'returns the number of tags' do
      expect(repository.tag_count).to be_an_instance_of(Fixnum)
    end
  end

1245
  describe '#expire_branches_cache' do
1246
    it 'expires the cache' do
1247 1248 1249
      expect(repository).to receive(:expire_method_caches).
        with(%i(branch_names branch_count)).
        and_call_original
1250

1251
      repository.expire_branches_cache
1252 1253 1254
    end
  end

1255
  describe '#expire_tags_cache' do
1256
    it 'expires the cache' do
1257 1258 1259
      expect(repository).to receive(:expire_method_caches).
        with(%i(tag_names tag_count)).
        and_call_original
1260

1261
      repository.expire_tags_cache
1262 1263
    end
  end
1264

1265
  describe '#add_tag' do
1266 1267
    context 'with a valid target' do
      let(:user) { build_stubbed(:user) }
1268

1269 1270 1271 1272 1273 1274
      it 'creates the tag using rugged' do
        expect(repository.rugged.tags).to receive(:create).
          with('8.5', repository.commit('master').id,
            hash_including(message: 'foo',
                           tagger: hash_including(name: user.name, email: user.email))).
          and_call_original
1275

1276 1277 1278 1279 1280 1281 1282 1283
        repository.add_tag(user, '8.5', 'master', 'foo')
      end

      it 'returns a Gitlab::Git::Tag object' do
        tag = repository.add_tag(user, '8.5', 'master', 'foo')

        expect(tag).to be_a(Gitlab::Git::Tag)
      end
1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309

      it 'passes commit SHA to pre-receive and update hooks,\
        and tag SHA to post-receive hook' do
        pre_receive_hook = Gitlab::Git::Hook.new('pre-receive', repository.path_to_repo)
        update_hook = Gitlab::Git::Hook.new('update', repository.path_to_repo)
        post_receive_hook = Gitlab::Git::Hook.new('post-receive', repository.path_to_repo)

        allow(Gitlab::Git::Hook).to receive(:new).
          and_return(pre_receive_hook, update_hook, post_receive_hook)

        allow(pre_receive_hook).to receive(:trigger).and_call_original
        allow(update_hook).to receive(:trigger).and_call_original
        allow(post_receive_hook).to receive(:trigger).and_call_original

        tag = repository.add_tag(user, '8.5', 'master', 'foo')

        commit_sha = repository.commit('master').id
        tag_sha = tag.target

        expect(pre_receive_hook).to have_received(:trigger).
          with(anything, anything, commit_sha, anything)
        expect(update_hook).to have_received(:trigger).
          with(anything, anything, commit_sha, anything)
        expect(post_receive_hook).to have_received(:trigger).
          with(anything, anything, tag_sha, anything)
      end
1310 1311 1312 1313 1314 1315
    end

    context 'with an invalid target' do
      it 'returns false' do
        expect(repository.add_tag(user, '8.5', 'bar', 'foo')).to be false
      end
1316 1317 1318
    end
  end

1319 1320 1321 1322 1323 1324 1325 1326 1327 1328
  describe '#rm_branch' do
    let(:user) { create(:user) }

    it 'removes a branch' do
      expect(repository).to receive(:before_remove_branch)
      expect(repository).to receive(:after_remove_branch)

      repository.rm_branch(user, 'feature')
    end
  end
1329 1330 1331 1332

  describe '#rm_tag' do
    it 'removes a tag' do
      expect(repository).to receive(:before_remove_tag)
1333
      expect(repository.rugged.tags).to receive(:delete).with('v1.1.0')
1334

1335
      repository.rm_tag('v1.1.0')
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    end
  end
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  describe '#avatar' do
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    it 'returns nil if repo does not exist' do
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      expect(repository).to receive(:file_on_head).
        and_raise(Rugged::ReferenceError)
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      expect(repository.avatar).to eq(nil)
    end

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    it 'returns the first avatar file found in the repository' do
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      expect(repository).to receive(:file_on_head).
        with(:avatar).
        and_return(double(:tree, path: 'logo.png'))
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      expect(repository.avatar).to eq('logo.png')
    end

    it 'caches the output' do
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      expect(repository).to receive(:file_on_head).
        with(:avatar).
        once.
        and_return(double(:tree, path: 'logo.png'))
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      2.times { expect(repository.avatar).to eq('logo.png') }
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    end
  end
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  describe '#expire_exists_cache' do
    let(:cache) { repository.send(:cache) }

    it 'expires the cache' do
      expect(cache).to receive(:expire).with(:exists?)

      repository.expire_exists_cache
    end
  end

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  describe "#keep_around" do
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    it "does not fail if we attempt to reference bad commit" do
      expect(repository.kept_around?('abc1234')).to be_falsey
    end

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    it "stores a reference to the specified commit sha so it isn't garbage collected" do
      repository.keep_around(sample_commit.id)

      expect(repository.kept_around?(sample_commit.id)).to be_truthy
    end
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    it "attempting to call keep_around on truncated ref does not fail" do
      repository.keep_around(sample_commit.id)
      ref = repository.send(:keep_around_ref_name, sample_commit.id)
      path = File.join(repository.path, ref)
      # Corrupt the reference
      File.truncate(path, 0)

      expect(repository.kept_around?(sample_commit.id)).to be_falsey

      repository.keep_around(sample_commit.id)

      expect(repository.kept_around?(sample_commit.id)).to be_falsey

      File.delete(path)
    end
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  end
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  describe '#update_ref!' do
    it 'can create a ref' do
      repository.update_ref!('refs/heads/foobar', 'refs/heads/master', Gitlab::Git::BLANK_SHA)

      expect(repository.find_branch('foobar')).not_to be_nil
    end

    it 'raises CommitError when the ref update fails' do
      expect do
        repository.update_ref!('refs/heads/master', 'refs/heads/master', Gitlab::Git::BLANK_SHA)
      end.to raise_error(Repository::CommitError)
    end
  end
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  describe '#contribution_guide', caching: true do
    it 'returns and caches the output' do
      expect(repository).to receive(:file_on_head).
        with(:contributing).
        and_return(Gitlab::Git::Tree.new(path: 'CONTRIBUTING.md')).
        once

      2.times do
        expect(repository.contribution_guide).
          to be_an_instance_of(Gitlab::Git::Tree)
      end
    end
  end

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  describe '#gitignore', caching: true do
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    it 'returns and caches the output' do
      expect(repository).to receive(:file_on_head).
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        with(:gitignore).
        and_return(Gitlab::Git::Tree.new(path: '.gitignore')).
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        once

      2.times do
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        expect(repository.gitignore).to be_an_instance_of(Gitlab::Git::Tree)
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      end
    end
  end

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  describe '#koding_yml', caching: true do
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    it 'returns and caches the output' do
      expect(repository).to receive(:file_on_head).
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        with(:koding).
        and_return(Gitlab::Git::Tree.new(path: '.koding.yml')).
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        once

      2.times do
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        expect(repository.koding_yml).to be_an_instance_of(Gitlab::Git::Tree)
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      end
    end
  end

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  describe '#readme', caching: true do
    context 'with a non-existing repository' do
      it 'returns nil' do
        expect(repository).to receive(:tree).with(:head).and_return(nil)
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        expect(repository.readme).to be_nil
      end
    end
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    context 'with an existing repository' do
      it 'returns the README' do
        expect(repository.readme).to be_an_instance_of(Gitlab::Git::Blob)
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      end
    end
  end

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  describe '#expire_statistics_caches' do
    it 'expires the caches' do
      expect(repository).to receive(:expire_method_caches).
        with(%i(size commit_count))
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      repository.expire_statistics_caches
    end
  end

  describe '#expire_method_caches' do
    it 'expires the caches of the given methods' do
      expect_any_instance_of(RepositoryCache).to receive(:expire).with(:readme)
      expect_any_instance_of(RepositoryCache).to receive(:expire).with(:gitignore)

      repository.expire_method_caches(%i(readme gitignore))
    end
  end

  describe '#expire_all_method_caches' do
    it 'expires the caches of all methods' do
      expect(repository).to receive(:expire_method_caches).
        with(Repository::CACHED_METHODS)

      repository.expire_all_method_caches
    end
  end

  describe '#expire_avatar_cache' do
    it 'expires the cache' do
      expect(repository).to receive(:expire_method_caches).with(%i(avatar))

      repository.expire_avatar_cache
    end
  end

  describe '#file_on_head' do
    context 'with a non-existing repository' do
      it 'returns nil' do
        expect(repository).to receive(:tree).with(:head).and_return(nil)

        expect(repository.file_on_head(:readme)).to be_nil
      end
    end

    context 'with a repository that has no blobs' do
      it 'returns nil' do
        expect_any_instance_of(Tree).to receive(:blobs).and_return([])

        expect(repository.file_on_head(:readme)).to be_nil
      end
    end

    context 'with an existing repository' do
      it 'returns a Gitlab::Git::Tree' do
        expect(repository.file_on_head(:readme)).
          to be_an_instance_of(Gitlab::Git::Tree)
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      end
    end
  end

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  describe '#head_tree' do
    context 'with an existing repository' do
      it 'returns a Tree' do
        expect(repository.head_tree).to be_an_instance_of(Tree)
      end
    end
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    context 'with a non-existing repository' do
      it 'returns nil' do
        expect(repository).to receive(:head_commit).and_return(nil)

        expect(repository.head_tree).to be_nil
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      end
    end
  end

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  describe '#tree' do
    context 'using a non-existing repository' do
      before do
        allow(repository).to receive(:head_commit).and_return(nil)
      end
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      it 'returns nil' do
        expect(repository.tree(:head)).to be_nil
      end

      it 'returns nil when using a path' do
        expect(repository.tree(:head, 'README.md')).to be_nil
      end
    end

    context 'using an existing repository' do
      it 'returns a Tree' do
        expect(repository.tree(:head)).to be_an_instance_of(Tree)
      end
    end
  end

  describe '#size' do
    context 'with a non-existing repository' do
      it 'returns 0' do
        expect(repository).to receive(:exists?).and_return(false)

        expect(repository.size).to eq(0.0)
      end
    end

    context 'with an existing repository' do
      it 'returns the repository size as a Float' do
        expect(repository.size).to be_an_instance_of(Float)
      end
    end
  end

  describe '#commit_count' do
    context 'with a non-existing repository' do
      it 'returns 0' do
        expect(repository).to receive(:root_ref).and_return(nil)

        expect(repository.commit_count).to eq(0)
      end
    end

    context 'with an existing repository' do
      it 'returns the commit count' do
        expect(repository.commit_count).to be_an_instance_of(Fixnum)
      end
    end
  end

  describe '#cache_method_output', caching: true do
    context 'with a non-existing repository' do
      let(:value) do
        repository.cache_method_output(:cats, fallback: 10) do
          raise Rugged::ReferenceError
        end
      end

      it 'returns a fallback value' do
        expect(value).to eq(10)
      end

      it 'does not cache the data' do
        value

        expect(repository.instance_variable_defined?(:@cats)).to eq(false)
        expect(repository.send(:cache).exist?(:cats)).to eq(false)
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      end
    end
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    context 'with an existing repository' do
      it 'caches the output' do
        object = double

        expect(object).to receive(:number).once.and_return(10)

        2.times do
          val = repository.cache_method_output(:cats) { object.number }

          expect(val).to eq(10)
        end

        expect(repository.send(:cache).exist?(:cats)).to eq(true)
        expect(repository.instance_variable_get(:@cats)).to eq(10)
      end
    end
  end

  describe '#refresh_method_caches' do
    it 'refreshes the caches of the given types' do
      expect(repository).to receive(:expire_method_caches).
        with(%i(readme license_blob license_key))

      expect(repository).to receive(:readme)
      expect(repository).to receive(:license_blob)
      expect(repository).to receive(:license_key)

      repository.refresh_method_caches(%i(readme license))
    end
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  end
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end