require 'spec_helper'

describe Gitlab::Database::RenameReservedPathsMigration::V1::RenameProjects do
  let(:migration) { FakeRenameReservedPathMigrationV1.new }
  let(:subject) { described_class.new(['the-path'], migration) }

  before do
    allow(migration).to receive(:say)
  end

  describe '#projects_for_paths' do
    it 'searches using nested paths' do
      namespace = create(:namespace, path: 'hello')
      project = create(:empty_project, path: 'THE-path', namespace: namespace)

      result_ids = described_class.new(['Hello/the-path'], migration).
                     projects_for_paths.map(&:id)

      expect(result_ids).to contain_exactly(project.id)
    end

    it 'includes the correct projects' do
      project = create(:empty_project, path: 'THE-path')
      _other_project = create(:empty_project)

      result_ids = subject.projects_for_paths.map(&:id)

      expect(result_ids).to contain_exactly(project.id)
    end
  end

  describe '#rename_projects' do
    let!(:projects) { create_list(:empty_project, 2, path: 'the-path') }

    it 'renames each project' do
      expect(subject).to receive(:rename_project).twice

      subject.rename_projects
    end

    it 'invalidates the markdown cache of related projects' do
      expect(subject).to receive(:remove_cached_html_for_projects).
                           with(projects.map(&:id))

      subject.rename_projects
    end
  end

  describe '#rename_project' do
    let(:project) do
      create(:empty_project,
             path: 'the-path',
             namespace: create(:namespace, path: 'known-parent' ))
    end

    it 'renames path & route for the project' do
      expect(subject).to receive(:rename_path_for_routable).
                           with(project).
                           and_call_original

      subject.rename_project(project)

      expect(project.reload.path).to eq('the-path0')
    end

    it 'moves the wiki & the repo' do
      expect(subject).to receive(:move_repository).
                           with(project, 'known-parent/the-path.wiki', 'known-parent/the-path0.wiki')
      expect(subject).to receive(:move_repository).
                           with(project, 'known-parent/the-path', 'known-parent/the-path0')

      subject.rename_project(project)
    end

    it 'moves uploads' do
      expect(subject).to receive(:move_uploads).
                           with('known-parent/the-path', 'known-parent/the-path0')

      subject.rename_project(project)
    end

    it 'moves pages' do
      expect(subject).to receive(:move_pages).
                           with('known-parent/the-path', 'known-parent/the-path0')

      subject.rename_project(project)
    end
  end

  describe '#move_repository' do
    let(:known_parent) { create(:namespace, path: 'known-parent') }
    let(:project) { create(:project, path: 'the-path', namespace: known_parent) }

    it 'moves the repository for a project' do
      expected_path = File.join(TestEnv.repos_path, 'known-parent', 'new-repo.git')

      subject.move_repository(project, 'known-parent/the-path', 'known-parent/new-repo')

      expect(File.directory?(expected_path)).to be(true)
    end
  end
end